hack/tools/scripts/llm-key-hunter/results/_cache/content/aidotnet_opendeepwiki.json

{"repo": "aidotnet/opendeepwiki", "files": {"src/OpenDeepWiki/Agents/DeepSeekOpenAIChatClient.cs": {"6eb5222d25487362fcd411891fad9027f7840f96": {"t": 1785746184.1195955, "n": 36498, "h": "b9fc78da85ab3fbf", "c": "using System.Net.Http.Headers;\nusing System.Runtime.CompilerServices;\nusing System.Text;\nusing System.Text.Json;\nusing System.Text.Json.Nodes;\nusing System.Text.Json.Serialization;\nusing Microsoft.Extensions.AI;\n\nnamespace OpenDeepWiki.Agents;\n\npublic sealed class DeepSeekOpenAIChatClient : IChatClient\n{\n    private const string DefaultEndpoint = \"https://api.deepseek.com/v1\";\n    private const string DefaultPromptCacheKey = \"opendeepwiki\";\n\n    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)\n    {\n        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull\n    };\n\n    private readonly string _model;\n    private readonly string _apiKey;\n    private readonly HttpClient _httpClient;\n    private readonly AiRequestOptions _options;\n    private readonly bool _disposeHttpClient;\n\n    public DeepSeekOpenAIChatClient(\n        string model,\n        string? endpoint,\n        string apiKey,\n        HttpClient httpClient,\n        AiRequestOptions options,\n        bool disposeHttpClient = false)\n    {\n        _model = string.IsNullOrWhiteSpace(model)\n            ? throw new ArgumentException(\"Model is required.\", nameof(model))\n            : model;\n        _apiKey = string.IsNullOrWhiteSpace(apiKey)\n            ? throw new ArgumentException(\"API key is required.\", nameof(apiKey))\n            : apiKey;\n        _httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient));\n        _options = options ?? throw new ArgumentNullException(nameof(options));\n        _options.Endpoint = NormalizeEndpoint(endpoint);\n        _disposeHttpClient = disposeHttpClient;\n    }\n\n    public async Task<ChatResponse> GetResponseAsync(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options = null,\n        CancellationToken cancellationToken = default)\n    {\n        using var request = CreateRequest(messages, options, stream: false);\n        using var response = await _httpClient.SendAsync(request, cancellationToken);\n        var content = await response.Content.ReadAsStringAsync(cancellationToken);\n        EnsureSuccessStatusCode(response, content);\n\n        var completion = JsonSerializer.Deserialize<ChatCompletionResponse>(content, JsonOptions)\n                         ?? throw new JsonException(\"DeepSeek returned an empty chat completion response.\");\n        var choice = completion.Choices?.FirstOrDefault();\n        var message = choice?.Message ?? new ChatMessageDto();\n        var chatMessage = CreateAssistantMessage(message);\n\n        return new ChatResponse(chatMessage)\n        {\n            ResponseId = completion.Id,\n            ModelId = completion.Model ?? _model,\n            CreatedAt = ConvertCreatedAt(completion.Created),\n            FinishReason = MapFinishReason(choice?.FinishReason),\n            Usage = MapUsage(completion.Usage),\n            RawRepresentation = content\n        };\n    }\n\n    public async IAsyncEnumerable<ChatResponseUpdate> GetStreamingResponseAsync(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options = null,\n        [EnumeratorCancellation] CancellationToken cancellationToken = default)\n    {\n        using var request = CreateRequest(messages, options, stream: true);\n        using var response = await _httpClient.SendAsync(\n            request,\n            HttpCompletionOption.ResponseHeadersRead,\n            cancellationToken);\n        var errorContent = response.IsSuccessStatusCode\n            ? null\n            : await response.Content.ReadAsStringAsync(cancellationToken);\n        EnsureSuccessStatusCode(response, errorContent);\n\n        await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken);\n        var toolCalls = new Dictionary<int, StreamingToolCallBuilder>();\n        var emittedToolCalls = false;\n        string? responseId = null;\n        string? modelId = null;\n        DateTimeOffset? createdAt = null;\n        var messageId = Guid.NewGuid().ToString(\"N\");\n\n        await foreach (var payload in ReadSseDataAsync(stream, cancellationToken))\n        {\n            if (IsDonePayload(payload))\n            {\n                break;\n            }\n\n            ChatCompletionChunk chunk;\n            try\n            {\n                chunk = JsonSerializer.Deserialize<ChatCompletionChunk>(payload, JsonOptions)\n                        ?? throw new JsonException(\"DeepSeek returned an empty stream chunk.\");\n            }\n            catch (JsonException ex)\n            {\n                throw new JsonException($\"Invalid DeepSeek stream data: {TrimForError(payload)}\", ex);\n            }\n\n            responseId ??= chunk.Id;\n            modelId = chunk.Model ?? modelId ?? _model;\n            createdAt ??= ConvertCreatedAt(chunk.Created);\n\n            if (chunk.Usage != null)\n            {\n                yield return new ChatResponseUpdate\n                {\n                    ResponseId = responseId,\n                    MessageId = messageId,\n                    ModelId = modelId,\n                    CreatedAt = createdAt,\n                    Contents = [new UsageContent(MapUsage(chunk.Usage)!)],\n                    RawRepresentation = payload\n                };\n            }\n\n            if (chunk.Choices is not { Count: > 0 })\n            {\n                continue;\n            }\n\n            foreach (var choice in chunk.Choices)\n            {\n                var delta = choice.Delta;\n                if (!string.IsNullOrEmpty(delta?.Content))\n                {\n                    yield return new ChatResponseUpdate(ChatRole.Assistant, delta.Content)\n                    {\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        RawRepresentation = payload\n                    };\n                }\n\n                if (!string.IsNullOrEmpty(delta?.ReasoningContent))\n                {\n                    var reasoningContent = new TextReasoningContent(delta.ReasoningContent)\n                    {\n                        AdditionalProperties = new AdditionalPropertiesDictionary\n                        {\n                            [\"reasoning_content\"] = delta.ReasoningContent\n                        }\n                    };\n                    var reasoningUpdate = new ChatResponseUpdate(ChatRole.Assistant, [reasoningContent])\n                    {\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        RawRepresentation = payload,\n                        AdditionalProperties = new AdditionalPropertiesDictionary\n                        {\n                            [\"reasoning_content\"] = delta.ReasoningContent\n                        }\n                    };\n                    yield return reasoningUpdate;\n                }\n\n                AccumulateToolCalls(toolCalls, delta?.ToolCalls);\n\n                var finishReason = MapFinishReason(choice.FinishReason);\n                if (finishReason == ChatFinishReason.ToolCalls && toolCalls.Count > 0)\n                {\n                    emittedToolCalls = true;\n                    yield return CreateToolCallsUpdate(\n                        toolCalls,\n                        responseId,\n                        messageId,\n                        modelId,\n                        createdAt,\n                        finishReason,\n                        payload);\n                }\n                else if (finishReason != null)\n                {\n                    yield return new ChatResponseUpdate\n                    {\n                        Role = ChatRole.Assistant,\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        FinishReason = finishReason,\n                        RawRepresentation = payload\n                    };\n                }\n            }\n        }\n\n        if (!emittedToolCalls && toolCalls.Count > 0)\n        {\n            yield return CreateToolCallsUpdate(\n                toolCalls,\n                responseId,\n                messageId,\n                modelId ?? _model,\n                createdAt,\n                ChatFinishReason.ToolCalls,\n                null);\n        }\n    }\n\n    public object? GetService(Type serviceType, object? serviceKey = null)\n    {\n        return serviceKey == null && serviceType.IsInstanceOfType(this) ? this : null;\n    }\n\n    public void Dispose()\n    {\n        if (_disposeHttpClient)\n        {\n            _httpClient.Dispose();\n        }\n    }\n\n    private HttpRequestMessage CreateRequest(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options,\n        bool stream)\n    {\n        var requestMessages = BuildMessages(messages);\n        PrependInstructions(requestMessages, options?.Instructions);\n\n        var body = new JsonObject\n        {\n            [\"model\"] = options?.ModelId ?? _model,\n            [\"stream\"] = stream,\n            [\"prompt_cache_key\"] = ResolvePromptCacheKey(options),\n            [\"messages\"] = requestMessages\n        };\n\n        if (stream)\n        {\n            body[\"stream_options\"] = new JsonObject\n            {\n                [\"include_usage\"] = true\n            };\n        }\n\n        ApplyCommonOptions(body, options);\n        ApplyTools(body, options);\n        ApplyRequestOverrides(body, null, _options.ProviderRequestOverridesJson);\n        ApplyRequestOverrides(body, null, _options.ModelRequestOverridesJson);\n        ApplyThinkingConfig(body, options);\n\n        var request = new HttpRequestMessage(\n            HttpMethod.Post,\n            AppendEndpointPath(_options.Endpoint ?? DefaultEndpoint, \"chat/completions\"))\n        {\n            Content = new StringContent(body.ToJsonString(JsonOptions), Encoding.UTF8, \"application/json\")\n        };\n\n        request.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", _apiKey);\n        request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(stream ? \"text/event-stream\" : \"application/json\"));\n        ApplyRequestOverrides(body, request, _options.ProviderRequestOverridesJson);\n        ApplyRequestOverrides(body, request, _options.ModelRequestOverridesJson);\n        return request;\n    }\n\n    private static JsonArray BuildMessages(IEnumerable<ChatMessage> messages)\n    {\n        var array = new JsonArray();\n        foreach (var message in messages)\n        {\n            var functionResults = message.Contents.OfType<FunctionResultContent>().ToList();\n            if (functionResults.Count > 0)\n            {\n                foreach (var result in functionResults)\n                {\n                    array.Add(new JsonObject\n                    {\n                        [\"role\"] = \"tool\",\n                        [\"tool_call_id\"] = result.CallId,\n                        [\"content\"] = SerializeToolResult(result.Result)\n                    });\n                }\n\n                continue;\n            }\n\n            var functionCalls = message.Contents.OfType<FunctionCallContent>().ToList();\n            var role = ToOpenAIRole(message.Role);\n            var node = new JsonObject\n            {\n                [\"role\"] = role\n            };\n\n            var text = GetText(message.Contents);\n            node[\"content\"] = string.IsNullOrEmpty(text) && functionCalls.Count > 0 ? null : text;\n\n            var reasoningContent = GetReasoningContent(message);\n            if (role == \"assistant\" && !string.IsNullOrEmpty(reasoningContent))\n            {\n                node[\"reasoning_content\"] = reasoningContent;\n            }\n\n            if (functionCalls.Count > 0)\n            {\n                var toolCalls = new JsonArray();\n                foreach (var call in functionCalls)\n                {\n                    toolCalls.Add(new JsonObject\n                    {\n                        [\"id\"] = call.CallId,\n                        [\"type\"] = \"function\",\n                        [\"function\"] = new JsonObject\n                        {\n                            [\"name\"] = call.Name,\n                            [\"arguments\"] = JsonSerializer.Serialize(call.Arguments, JsonOptions)\n                        }\n                    });\n                }\n\n                node[\"tool_calls\"] = toolCalls;\n            }\n\n            array.Add(node);\n        }\n\n        return array;\n    }\n\n    private static void PrependInstructions(JsonArray messages, string? instructions)\n    {\n        if (string.IsNullOrWhiteSpace(instructions) || HasSystemMessage(messages))\n        {\n            return;\n        }\n\n        messages.Insert(0, new JsonObject\n        {\n            [\"role\"] = \"system\",\n            [\"content\"] = instructions\n        });\n    }\n\n    private static bool HasSystemMessage(JsonArray messages)\n    {\n        foreach (var message in messages)\n        {\n            if (message is JsonObject node &&\n                node[\"role\"]?.GetValue<string>().Equals(\"system\", StringComparison.OrdinalIgnoreCase) == true)\n            {\n                return true;\n            }\n        }\n\n        return false;\n    }\n\n    private static void ApplyCommonOptions(JsonObject body, ChatOptions? options)\n    {\n        if (options == null)\n        {\n            return;\n        }\n\n        if (options.MaxOutputTokens.HasValue)\n        {\n            body[\"max_tokens\"] = options.MaxOutputTokens.Value;\n        }\n\n        if (options.Temperature.HasValue)\n        {\n            body[\"temperature\"] = options.Temperature.Value;\n        }\n\n        if (options.TopP.HasValue)\n        {\n            body[\"top_p\"] = options.TopP.Value;\n        }\n\n        if (options.FrequencyPenalty.HasValue)\n        {\n            body[\"frequency_penalty\"] = options.FrequencyPenalty.Value;\n        }\n\n        if (options.PresencePenalty.HasValue)\n        {\n            body[\"presence_penalty\"] = options.PresencePenalty.Value;\n        }\n\n        if (options.Seed.HasValue)\n        {\n            body[\"seed\"] = options.Seed.Value;\n        }\n\n        if (options.StopSequences is { Count: > 0 })\n        {\n            var stops = new JsonArray();\n            foreach (var stop in options.StopSequences)\n            {\n                stops.Add(stop);\n            }\n\n            body[\"stop\"] = stops;\n        }\n    }\n\n    private static void ApplyTools(JsonObject body, ChatOptions? options)\n    {\n        if (options?.Tools is not { Count: > 0 })\n        {\n            return;\n        }\n\n        var tools = new JsonArray();\n        foreach (var tool in options.Tools)\n        {\n            if (tool is not AIFunctionDeclaration function)\n            {\n                continue;\n            }\n\n            tools.Add(new JsonObject\n            {\n                [\"type\"] = \"function\",\n                [\"function\"] = new JsonObject\n                {\n                    [\"name\"] = function.Name,\n                    [\"description\"] = function.Description ?? string.Empty,\n                    [\"parameters\"] = CloneJsonElement(function.JsonSchema) ?? new JsonObject\n                    {\n                        [\"type\"] = \"object\"\n                    }\n                }\n            });\n        }\n\n        if (tools.Count == 0)\n        {\n            return;\n        }\n\n        body[\"tools\"] = tools;\n        body[\"tool_choice\"] = options.ToolMode switch\n        {\n            NoneChatToolMode => JsonValue.Create(\"none\"),\n            RequiredChatToolMode required when !string.IsNullOrWhiteSpace(required.RequiredFunctionName) => new JsonObject\n            {\n                [\"type\"] = \"function\",\n                [\"function\"] = new JsonObject\n                {\n                    [\"name\"] = required.RequiredFunctionName\n                }\n            },\n            RequiredChatToolMode => JsonValue.Create(\"required\"),\n            _ => JsonValue.Create(\"auto\")\n        };\n    }\n\n    private void ApplyThinkingConfig(JsonObject body, ChatOptions? options)\n    {\n        if (!_options.SupportsThinking || string.IsNullOrWhiteSpace(_options.ThinkingConfigJson))\n        {\n            return;\n        }\n\n        var enabled = ResolveThinkingEnabled(options);\n        if (enabled == null)\n        {\n            return;\n        }\n\n        JsonNode? parsed;\n        try\n        {\n            parsed = JsonNode.Parse(_options.ThinkingConfigJson);\n        }\n        catch (JsonException)\n        {\n            return;\n        }\n\n        if (parsed is not JsonObject config)\n        {\n            return;\n        }\n\n        var bodyParamName = enabled.Value ? \"bodyParams\" : \"disabledBodyParams\";\n        if (config[bodyParamName] is JsonObject bodyParams)\n        {\n            MergeJsonObject(body, bodyParams);\n        }\n\n        if (enabled.Value && config[\"forceTemperature\"] is JsonValue forceTemperature)\n        {\n            body[\"temperature\"] = forceTemperature.DeepClone();\n        }\n    }\n\n    private bool? ResolveThinkingEnabled(ChatOptions? options)\n    {\n        if (TryReadBoolean(options?.AdditionalProperties, \"thinkingEnabled\", out var thinkingEnabled) ||\n            TryReadBoolean(options?.AdditionalProperties, \"enableThinking\", out thinkingEnabled) ||\n            TryReadBoolean(options?.AdditionalProperties, \"enable_thinking\", out thinkingEnabled))\n        {\n            return thinkingEnabled;\n        }\n\n        return _options.ThinkingEnabled ?? true;\n    }\n\n    private string ResolvePromptCacheKey(ChatOptions? options)\n    {\n        if (TryReadString(options?.AdditionalProperties, \"promptCacheKey\", out var promptCacheKey) ||\n            TryReadString(options?.AdditionalProperties, \"prompt_cache_key\", out promptCacheKey))\n        {\n            return NormalizePromptCacheKey(promptCacheKey);\n        }\n\n        return NormalizePromptCacheKey(_options.PromptCacheKey);\n    }\n\n    private static string NormalizePromptCacheKey(string? promptCacheKey)\n    {\n        return string.IsNullOrWhiteSpace(promptCacheKey)\n            ? DefaultPromptCacheKey\n            : promptCacheKey.Trim();\n    }\n\n    private static void ApplyRequestOverrides(\n        JsonObject body,\n        HttpRequestMessage? request,\n        string? overridesJson)\n    {\n        if (string.IsNullOrWhiteSpace(overridesJson))\n        {\n            return;\n        }\n\n        JsonNode? parsed;\n        try\n        {\n            parsed = JsonNode.Parse(overridesJson);\n        }\n        catch (JsonException)\n        {\n            return;\n        }\n\n        if (parsed is not JsonObject overrides)\n        {\n            return;\n        }\n\n        if (request == null)\n        {\n            if (overrides[\"bodyParams\"] is JsonObject bodyParams)\n            {\n                MergeJsonObject(body, bodyParams);\n            }\n\n            if (overrides[\"body\"] is JsonObject bodyOverride)\n            {\n                MergeJsonObject(body, bodyOverride);\n            }\n\n            foreach (var pair in overrides)\n            {\n                if (pair.Key.Equals(\"headers\", StringComparison.OrdinalIgnoreCase) ||\n                    pair.Key.Equals(\"bodyParams\", StringComparison.OrdinalIgnoreCase) ||\n                    pair.Key.Equals(\"body\", StringComparison.OrdinalIgnoreCase))\n                {\n                    continue;\n                }\n\n                body[pair.Key] = pair.Value?.DeepClone();\n            }\n\n            return;\n        }\n\n        if (overrides[\"headers\"] is not JsonObject headers)\n        {\n            return;\n        }\n\n        foreach (var header in headers)\n        {\n            if (header.Value == null)\n            {\n                continue;\n            }\n\n            var value = header.Value.GetValueKind() == JsonValueKind.String\n                ? header.Value.GetValue<string>()\n                : header.Value.ToJsonString(JsonOptions);\n            if (string.IsNullOrWhiteSpace(value))\n            {\n                continue;\n            }\n\n            if (header.Key.Equals(\"Content-Type\", StringComparison.OrdinalIgnoreCase))\n            {\n                request.Content?.Headers.Remove(header.Key);\n                request.Content?.Headers.TryAddWithoutValidation(header.Key, value);\n            }\n            else\n            {\n                request.Headers.Remove(header.Key);\n                request.Headers.TryAddWithoutValidation(header.Key, value);\n            }\n        }\n    }\n\n    private static ChatMessage CreateAssistantMessage(ChatMessageDto message)\n    {\n        var contents = new List<AIContent>();\n        if (!string.IsNullOrEmpty(message.ReasoningContent))\n        {\n            contents.Add(new TextReasoningContent(message.ReasoningContent)\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"reasoning_content\"] = message.ReasoningContent\n                }\n            });\n        }\n\n        if (!string.IsNullOrEmpty(message.Content))\n        {\n            contents.Add(new TextContent(message.Content));\n        }\n\n        if (message.ToolCalls is { Count: > 0 })\n        {\n            foreach (var toolCall in message.ToolCalls)\n            {\n                var function = toolCall.Function;\n                if (string.IsNullOrWhiteSpace(toolCall.Id) || string.IsNullOrWhiteSpace(function?.Name))\n                {\n                    continue;\n                }\n\n                contents.Add(new FunctionCallContent(\n                    toolCall.Id,\n                    function.Name,\n                    ParseArguments(function.Arguments)));\n            }\n        }\n\n        return new ChatMessage(ChatRole.Assistant, contents);\n    }\n\n    private static ChatResponseUpdate CreateToolCallsUpdate(\n        Dictionary<int, StreamingToolCallBuilder> toolCalls,\n        string? responseId,\n        string messageId,\n        string? modelId,\n        DateTimeOffset? createdAt,\n        ChatFinishReason? finishReason,\n        string? rawPayload)\n    {\n        var contents = toolCalls\n            .OrderBy(pair => pair.Key)\n            .Select(pair => pair.Value)\n            .Where(call => !string.IsNullOrWhiteSpace(call.Id) && !string.IsNullOrWhiteSpace(call.Name))\n            .Select(call => (AIContent)new FunctionCallContent(\n                call.Id!,\n                call.Name!,\n                ParseArguments(call.Arguments.ToString())))\n            .ToList();\n\n        return new ChatResponseUpdate(ChatRole.Assistant, contents)\n        {\n            ResponseId = responseId,\n            MessageId = messageId,\n            ModelId = modelId,\n            CreatedAt = createdAt,\n            FinishReason = finishReason,\n            RawRepresentation = rawPayload\n        };\n    }\n\n    private static void AccumulateToolCalls(\n        Dictionary<int, StreamingToolCallBuilder> toolCalls,\n        IReadOnlyList<ToolCallDeltaDto>? deltas)\n    {\n        if (deltas is not { Count: > 0 })\n        {\n            return;\n        }\n\n        for (var position = 0; position < deltas.Count; position++)\n        {\n            var delta = deltas[position];\n            var index = delta.Index ?? position;\n            if (!toolCalls.TryGetValue(index, out var builder))\n            {\n                builder = new StreamingToolCallBuilder();\n                toolCalls[index] = builder;\n            }\n\n            if (!string.IsNullOrWhiteSpace(delta.Id))\n            {\n                builder.Id = delta.Id;\n            }\n\n            if (!string.IsNullOrWhiteSpace(delta.Function?.Name))\n            {\n                builder.Name = delta.Function.Name;\n            }\n\n            if (!string.IsNullOrEmpty(delta.Function?.Arguments))\n            {\n                builder.Arguments.Append(delta.Function.Arguments);\n            }\n        }\n    }\n\n    private static async IAsyncEnumerable<string> ReadSseDataAsync(\n        Stream stream,\n        [EnumeratorCancellation] CancellationToken cancellationToken)\n    {\n        using var reader = new StreamReader(stream, Encoding.UTF8);\n        var data = new StringBuilder();\n        while (await reader.ReadLineAsync(cancellationToken) is { } line)\n        {\n            if (line.Length == 0)\n            {\n                if (data.Length > 0)\n                {\n                    yield return data.ToString();\n                    data.Clear();\n                }\n\n                continue;\n            }\n\n            if (line.StartsWith(':'))\n            {\n                continue;\n            }\n\n            if (!line.StartsWith(\"data:\", StringComparison.OrdinalIgnoreCase))\n            {\n                continue;\n            }\n\n            if (data.Length > 0)\n            {\n                data.Append('\\n');\n            }\n\n            data.Append(line[5..].TrimStart());\n        }\n\n        if (data.Length > 0)\n        {\n            yield return data.ToString();\n        }\n    }\n\n    private static UsageDetails? MapUsage(UsageDto? usage)\n    {\n        if (usage == null)\n        {\n            return null;\n        }\n\n        return new UsageDetails\n        {\n            InputTokenCount = usage.PromptTokens,\n            OutputTokenCount = usage.CompletionTokens,\n            TotalTokenCount = usage.TotalTokens,\n            CachedInputTokenCount = usage.PromptTokensDetails?.CachedTokens,\n            ReasoningTokenCount = usage.CompletionTokensDetails?.ReasoningTokens\n        };\n    }\n\n    private static ChatFinishReason? MapFinishReason(string? finishReason)\n    {\n        return finishReason?.Trim().ToLowerInvariant() switch\n        {\n            \"stop\" => ChatFinishReason.Stop,\n            \"length\" => ChatFinishReason.Length,\n            \"tool_calls\" or \"function_call\" => ChatFinishReason.ToolCalls,\n            \"content_filter\" => ChatFinishReason.ContentFilter,\n            _ => null\n        };\n    }\n\n    private static IDictionary<string, object?> ParseArguments(string? arguments)\n    {\n        if (string.IsNullOrWhiteSpace(arguments))\n        {\n            return new Dictionary<string, object?>();\n        }\n\n        try\n        {\n            using var document = JsonDocument.Parse(arguments);\n            if (document.RootElement.ValueKind != JsonValueKind.Object)\n            {\n                return new Dictionary<string, object?>\n                {\n                    [\"value\"] = ConvertJsonElement(document.RootElement)\n                };\n            }\n\n            return document.RootElement.EnumerateObject()\n                .ToDictionary(\n                    property => property.Name,\n                    property => ConvertJsonElement(property.Value));\n        }\n        catch (JsonException)\n        {\n            return new Dictionary<string, object?>\n            {\n                [\"value\"] = arguments\n            };\n        }\n    }\n\n    private static object? ConvertJsonElement(JsonElement element)\n    {\n        return element.ValueKind switch\n        {\n            JsonValueKind.Object => element.EnumerateObject()\n                .ToDictionary(property => property.Name, property => ConvertJsonElement(property.Value)),\n            JsonValueKind.Array => element.EnumerateArray().Select(ConvertJsonElement).ToList(),\n            JsonValueKind.String => element.GetString(),\n            JsonValueKind.Number when element.TryGetInt64(out var longValue) => longValue,\n            JsonValueKind.Number when element.TryGetDouble(out var doubleValue) => doubleValue,\n            JsonValueKind.True => true,\n            JsonValueKind.False => false,\n            JsonValueKind.Null => null,\n            _ => element.GetRawText()\n        };\n    }\n\n    private static string SerializeToolResult(object? result)\n    {\n        return result switch\n        {\n            null => \"null\",\n            string text => text,\n            JsonElement element => element.GetRawText(),\n            JsonNode node => node.ToJsonString(JsonOptions),\n            _ => JsonSerializer.Serialize(result, JsonOptions)\n        };\n    }\n\n    private static string GetText(IEnumerable<AIContent> contents)\n    {\n        return string.Concat(contents.OfType<TextContent>().Select(content => content.Text));\n    }\n\n    private static string GetReasoningContent(ChatMessage message)\n    {\n        var reasoning = string.Concat(message.Contents\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        if (!string.IsNullOrEmpty(reasoning))\n        {\n            return reasoning;\n        }\n\n        if (TryReadString(message.AdditionalProperties, \"reasoning_content\", out var rawReasoning))\n        {\n            return rawReasoning;\n        }\n\n        return string.Empty;\n    }\n\n    private static JsonNode? CloneJsonElement(JsonElement element)\n    {\n        return element.ValueKind is JsonValueKind.Undefined or JsonValueKind.Null\n            ? null\n            : JsonNode.Parse(element.GetRawText());\n    }\n\n    private static void MergeJsonObject(JsonObject target, JsonObject source)\n    {\n        foreach (var pair in source)\n        {\n            target[pair.Key] = pair.Value?.DeepClone();\n        }\n    }\n\n    private static bool TryReadBoolean(\n        AdditionalPropertiesDictionary? properties,\n        string key,\n        out bool value)\n    {\n        value = false;\n        if (properties == null || !properties.TryGetValue(key, out var raw))\n        {\n            return false;\n        }\n\n        switch (raw)\n        {\n            case bool boolValue:\n                value = boolValue;\n                return true;\n            case string text when bool.TryParse(text, out var parsed):\n                value = parsed;\n                return true;\n            default:\n                return false;\n        }\n    }\n\n    private static bool TryReadString(\n        AdditionalPropertiesDictionary? properties,\n        string key,\n        out string value)\n    {\n        value = string.Empty;\n        if (properties == null || !properties.TryGetValue(key, out var raw))\n        {\n            return false;\n        }\n\n        switch (raw)\n        {\n            case string text:\n                value = text;\n                return true;\n            case JsonElement element when element.ValueKind == JsonValueKind.String:\n                value = element.GetString() ?? string.Empty;\n                return true;\n            case JsonNode node when node.GetValueKind() == JsonValueKind.String:\n                value = node.GetValue<string>();\n                return true;\n            default:\n                return false;\n        }\n    }\n\n    private static DateTimeOffset? ConvertCreatedAt(long? unixSeconds)\n    {\n        return unixSeconds.HasValue ? DateTimeOffset.FromUnixTimeSeconds(unixSeconds.Value) : null;\n    }\n\n    private static string ToOpenAIRole(ChatRole role)\n    {\n        if (role == ChatRole.System)\n        {\n            return \"system\";\n        }\n\n        if (role == ChatRole.Assistant)\n        {\n            return \"assistant\";\n        }\n\n        if (role == ChatRole.Tool)\n        {\n            return \"tool\";\n        }\n\n        return \"user\";\n    }\n\n    private static string NormalizeEndpoint(string? endpoint)\n    {\n        return string.IsNullOrWhiteSpace(endpoint)\n            ? DefaultEndpoint\n            : endpoint.TrimEnd('/');\n    }\n\n    private static string AppendEndpointPath(string baseUrl, string path)\n    {\n        var trimmed = baseUrl.TrimEnd('/');\n        if (trimmed.EndsWith($\"/{path}\", StringComparison.OrdinalIgnoreCase))\n        {\n            return trimmed;\n        }\n\n        return $\"{trimmed}/{path}\";\n    }\n\n    private static bool IsDonePayload(string payload)\n    {\n        return payload.Equals(\"[DONE]\", StringComparison.OrdinalIgnoreCase) ||\n               payload.Equals(\"DONE\", StringComparison.OrdinalIgnoreCase);\n    }\n\n    private static void EnsureSuccessStatusCode(HttpResponseMessage response, string? content)\n    {\n        if (response.IsSuccessStatusCode)\n        {\n            return;\n        }\n\n        var message = string.IsNullOrWhiteSpace(content)\n            ? response.ReasonPhrase\n            : TrimForError(content);\n        throw new HttpRequestException(\n            $\"DeepSeek OpenAI-compatible request failed with HTTP {(int)response.StatusCode}: {message}\",\n            null,\n            response.StatusCode);\n    }\n\n    private static string TrimForError(string text)\n    {\n        var trimmed = text.Trim();\n        return trimmed.Length <= 600 ? trimmed : trimmed[..600];\n    }\n\n    private sealed class StreamingToolCallBuilder\n    {\n        public string? Id { get; set; }\n        public string? Name { get; set; }\n        public StringBuilder Arguments { get; } = new();\n    }\n\n    private sealed class ChatCompletionResponse\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"model\")]\n        public string? Model { get; init; }\n\n        [JsonPropertyName(\"created\")]\n        public long? Created { get; init; }\n\n        [JsonPropertyName(\"choices\")]\n        public List<ChatCompletionChoice>? Choices { get; init; }\n\n        [JsonPropertyName(\"usage\")]\n        public UsageDto? Usage { get; init; }\n    }\n\n    private sealed class ChatCompletionChunk\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"model\")]\n        public string? Model { get; init; }\n\n        [JsonPropertyName(\"created\")]\n        public long? Created { get; init; }\n\n        [JsonPropertyName(\"choices\")]\n        public List<ChatCompletionChunkChoice>? Choices { get; init; }\n\n        [JsonPropertyName(\"usage\")]\n        public UsageDto? Usage { get; init; }\n    }\n\n    private sealed class ChatCompletionChoice\n    {\n        [JsonPropertyName(\"message\")]\n        public ChatMessageDto? Message { get; init; }\n\n        [JsonPropertyName(\"finish_reason\")]\n        public string? FinishReason { get; init; }\n    }\n\n    private sealed class ChatCompletionChunkChoice\n    {\n        [JsonPropertyName(\"delta\")]\n        public ChatDeltaDto? Delta { get; init; }\n\n        [JsonPropertyName(\"finish_reason\")]\n        public string? FinishReason { get; init; }\n    }\n\n    private sealed class ChatMessageDto\n    {\n        [JsonPropertyName(\"content\")]\n        public string? Content { get; init; }\n\n        [JsonPropertyName(\"reasoning_content\")]\n        public string? ReasoningContent { get; init; }\n\n        [JsonPropertyName(\"tool_calls\")]\n        public List<ToolCallDto>? ToolCalls { get; init; }\n    }\n\n    private sealed class ChatDeltaDto\n    {\n        [JsonPropertyName(\"content\")]\n        public string? Content { get; init; }\n\n        [JsonPropertyName(\"reasoning_content\")]\n        public string? ReasoningContent { get; init; }\n\n        [JsonPropertyName(\"tool_calls\")]\n        public List<ToolCallDeltaDto>? ToolCalls { get; init; }\n    }\n\n    private sealed class ToolCallDto\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"function\")]\n        public ToolFunctionDto? Function { get; init; }\n    }\n\n    private sealed class ToolCallDeltaDto\n    {\n        [JsonPropertyName(\"index\")]\n        public int? Index { get; init; }\n\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"function\")]\n        public ToolFunctionDto? Function { get; init; }\n    }\n\n    private sealed class ToolFunctionDto\n    {\n        [JsonPropertyName(\"name\")]\n        public string? Name { get; init; }\n\n        [JsonPropertyName(\"arguments\")]\n        public string? Arguments { get; init; }\n    }\n\n    private sealed class UsageDto\n    {\n        [JsonPropertyName(\"prompt_tokens\")]\n        public int? PromptTokens { get; init; }\n\n        [JsonPropertyName(\"completion_tokens\")]\n        public int? CompletionTokens { get; init; }\n\n        [JsonPropertyName(\"total_tokens\")]\n        public int? TotalTokens { get; init; }\n\n        [JsonPropertyName(\"prompt_tokens_details\")]\n        public PromptTokensDetailsDto? PromptTokensDetails { get; init; }\n\n        [JsonPropertyName(\"completion_tokens_details\")]\n        public CompletionTokensDetailsDto? CompletionTokensDetails { get; init; }\n    }\n\n    private sealed class PromptTokensDetailsDto\n    {\n        [JsonPropertyName(\"cached_tokens\")]\n        public int? CachedTokens { get; init; }\n    }\n\n    private sealed class CompletionTokensDetailsDto\n    {\n        [JsonPropertyName(\"reasoning_tokens\")]\n        public int? ReasoningTokens { get; init; }\n    }\n}\n"}, "1f5050c03db13081755e60b2ea722654fb95b84c": {"t": 1785760374.7320285, "n": 36498, "h": "b9fc78da85ab3fbf", "c": "using System.Net.Http.Headers;\nusing System.Runtime.CompilerServices;\nusing System.Text;\nusing System.Text.Json;\nusing System.Text.Json.Nodes;\nusing System.Text.Json.Serialization;\nusing Microsoft.Extensions.AI;\n\nnamespace OpenDeepWiki.Agents;\n\npublic sealed class DeepSeekOpenAIChatClient : IChatClient\n{\n    private const string DefaultEndpoint = \"https://api.deepseek.com/v1\";\n    private const string DefaultPromptCacheKey = \"opendeepwiki\";\n\n    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)\n    {\n        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull\n    };\n\n    private readonly string _model;\n    private readonly string _apiKey;\n    private readonly HttpClient _httpClient;\n    private readonly AiRequestOptions _options;\n    private readonly bool _disposeHttpClient;\n\n    public DeepSeekOpenAIChatClient(\n        string model,\n        string? endpoint,\n        string apiKey,\n        HttpClient httpClient,\n        AiRequestOptions options,\n        bool disposeHttpClient = false)\n    {\n        _model = string.IsNullOrWhiteSpace(model)\n            ? throw new ArgumentException(\"Model is required.\", nameof(model))\n            : model;\n        _apiKey = string.IsNullOrWhiteSpace(apiKey)\n            ? throw new ArgumentException(\"API key is required.\", nameof(apiKey))\n            : apiKey;\n        _httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient));\n        _options = options ?? throw new ArgumentNullException(nameof(options));\n        _options.Endpoint = NormalizeEndpoint(endpoint);\n        _disposeHttpClient = disposeHttpClient;\n    }\n\n    public async Task<ChatResponse> GetResponseAsync(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options = null,\n        CancellationToken cancellationToken = default)\n    {\n        using var request = CreateRequest(messages, options, stream: false);\n        using var response = await _httpClient.SendAsync(request, cancellationToken);\n        var content = await response.Content.ReadAsStringAsync(cancellationToken);\n        EnsureSuccessStatusCode(response, content);\n\n        var completion = JsonSerializer.Deserialize<ChatCompletionResponse>(content, JsonOptions)\n                         ?? throw new JsonException(\"DeepSeek returned an empty chat completion response.\");\n        var choice = completion.Choices?.FirstOrDefault();\n        var message = choice?.Message ?? new ChatMessageDto();\n        var chatMessage = CreateAssistantMessage(message);\n\n        return new ChatResponse(chatMessage)\n        {\n            ResponseId = completion.Id,\n            ModelId = completion.Model ?? _model,\n            CreatedAt = ConvertCreatedAt(completion.Created),\n            FinishReason = MapFinishReason(choice?.FinishReason),\n            Usage = MapUsage(completion.Usage),\n            RawRepresentation = content\n        };\n    }\n\n    public async IAsyncEnumerable<ChatResponseUpdate> GetStreamingResponseAsync(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options = null,\n        [EnumeratorCancellation] CancellationToken cancellationToken = default)\n    {\n        using var request = CreateRequest(messages, options, stream: true);\n        using var response = await _httpClient.SendAsync(\n            request,\n            HttpCompletionOption.ResponseHeadersRead,\n            cancellationToken);\n        var errorContent = response.IsSuccessStatusCode\n            ? null\n            : await response.Content.ReadAsStringAsync(cancellationToken);\n        EnsureSuccessStatusCode(response, errorContent);\n\n        await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken);\n        var toolCalls = new Dictionary<int, StreamingToolCallBuilder>();\n        var emittedToolCalls = false;\n        string? responseId = null;\n        string? modelId = null;\n        DateTimeOffset? createdAt = null;\n        var messageId = Guid.NewGuid().ToString(\"N\");\n\n        await foreach (var payload in ReadSseDataAsync(stream, cancellationToken))\n        {\n            if (IsDonePayload(payload))\n            {\n                break;\n            }\n\n            ChatCompletionChunk chunk;\n            try\n            {\n                chunk = JsonSerializer.Deserialize<ChatCompletionChunk>(payload, JsonOptions)\n                        ?? throw new JsonException(\"DeepSeek returned an empty stream chunk.\");\n            }\n            catch (JsonException ex)\n            {\n                throw new JsonException($\"Invalid DeepSeek stream data: {TrimForError(payload)}\", ex);\n            }\n\n            responseId ??= chunk.Id;\n            modelId = chunk.Model ?? modelId ?? _model;\n            createdAt ??= ConvertCreatedAt(chunk.Created);\n\n            if (chunk.Usage != null)\n            {\n                yield return new ChatResponseUpdate\n                {\n                    ResponseId = responseId,\n                    MessageId = messageId,\n                    ModelId = modelId,\n                    CreatedAt = createdAt,\n                    Contents = [new UsageContent(MapUsage(chunk.Usage)!)],\n                    RawRepresentation = payload\n                };\n            }\n\n            if (chunk.Choices is not { Count: > 0 })\n            {\n                continue;\n            }\n\n            foreach (var choice in chunk.Choices)\n            {\n                var delta = choice.Delta;\n                if (!string.IsNullOrEmpty(delta?.Content))\n                {\n                    yield return new ChatResponseUpdate(ChatRole.Assistant, delta.Content)\n                    {\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        RawRepresentation = payload\n                    };\n                }\n\n                if (!string.IsNullOrEmpty(delta?.ReasoningContent))\n                {\n                    var reasoningContent = new TextReasoningContent(delta.ReasoningContent)\n                    {\n                        AdditionalProperties = new AdditionalPropertiesDictionary\n                        {\n                            [\"reasoning_content\"] = delta.ReasoningContent\n                        }\n                    };\n                    var reasoningUpdate = new ChatResponseUpdate(ChatRole.Assistant, [reasoningContent])\n                    {\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        RawRepresentation = payload,\n                        AdditionalProperties = new AdditionalPropertiesDictionary\n                        {\n                            [\"reasoning_content\"] = delta.ReasoningContent\n                        }\n                    };\n                    yield return reasoningUpdate;\n                }\n\n                AccumulateToolCalls(toolCalls, delta?.ToolCalls);\n\n                var finishReason = MapFinishReason(choice.FinishReason);\n                if (finishReason == ChatFinishReason.ToolCalls && toolCalls.Count > 0)\n                {\n                    emittedToolCalls = true;\n                    yield return CreateToolCallsUpdate(\n                        toolCalls,\n                        responseId,\n                        messageId,\n                        modelId,\n                        createdAt,\n                        finishReason,\n                        payload);\n                }\n                else if (finishReason != null)\n                {\n                    yield return new ChatResponseUpdate\n                    {\n                        Role = ChatRole.Assistant,\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        FinishReason = finishReason,\n                        RawRepresentation = payload\n                    };\n                }\n            }\n        }\n\n        if (!emittedToolCalls && toolCalls.Count > 0)\n        {\n            yield return CreateToolCallsUpdate(\n                toolCalls,\n                responseId,\n                messageId,\n                modelId ?? _model,\n                createdAt,\n                ChatFinishReason.ToolCalls,\n                null);\n        }\n    }\n\n    public object? GetService(Type serviceType, object? serviceKey = null)\n    {\n        return serviceKey == null && serviceType.IsInstanceOfType(this) ? this : null;\n    }\n\n    public void Dispose()\n    {\n        if (_disposeHttpClient)\n        {\n            _httpClient.Dispose();\n        }\n    }\n\n    private HttpRequestMessage CreateRequest(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options,\n        bool stream)\n    {\n        var requestMessages = BuildMessages(messages);\n        PrependInstructions(requestMessages, options?.Instructions);\n\n        var body = new JsonObject\n        {\n            [\"model\"] = options?.ModelId ?? _model,\n            [\"stream\"] = stream,\n            [\"prompt_cache_key\"] = ResolvePromptCacheKey(options),\n            [\"messages\"] = requestMessages\n        };\n\n        if (stream)\n        {\n            body[\"stream_options\"] = new JsonObject\n            {\n                [\"include_usage\"] = true\n            };\n        }\n\n        ApplyCommonOptions(body, options);\n        ApplyTools(body, options);\n        ApplyRequestOverrides(body, null, _options.ProviderRequestOverridesJson);\n        ApplyRequestOverrides(body, null, _options.ModelRequestOverridesJson);\n        ApplyThinkingConfig(body, options);\n\n        var request = new HttpRequestMessage(\n            HttpMethod.Post,\n            AppendEndpointPath(_options.Endpoint ?? DefaultEndpoint, \"chat/completions\"))\n        {\n            Content = new StringContent(body.ToJsonString(JsonOptions), Encoding.UTF8, \"application/json\")\n        };\n\n        request.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", _apiKey);\n        request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(stream ? \"text/event-stream\" : \"application/json\"));\n        ApplyRequestOverrides(body, request, _options.ProviderRequestOverridesJson);\n        ApplyRequestOverrides(body, request, _options.ModelRequestOverridesJson);\n        return request;\n    }\n\n    private static JsonArray BuildMessages(IEnumerable<ChatMessage> messages)\n    {\n        var array = new JsonArray();\n        foreach (var message in messages)\n        {\n            var functionResults = message.Contents.OfType<FunctionResultContent>().ToList();\n            if (functionResults.Count > 0)\n            {\n                foreach (var result in functionResults)\n                {\n                    array.Add(new JsonObject\n                    {\n                        [\"role\"] = \"tool\",\n                        [\"tool_call_id\"] = result.CallId,\n                        [\"content\"] = SerializeToolResult(result.Result)\n                    });\n                }\n\n                continue;\n            }\n\n            var functionCalls = message.Contents.OfType<FunctionCallContent>().ToList();\n            var role = ToOpenAIRole(message.Role);\n            var node = new JsonObject\n            {\n                [\"role\"] = role\n            };\n\n            var text = GetText(message.Contents);\n            node[\"content\"] = string.IsNullOrEmpty(text) && functionCalls.Count > 0 ? null : text;\n\n            var reasoningContent = GetReasoningContent(message);\n            if (role == \"assistant\" && !string.IsNullOrEmpty(reasoningContent))\n            {\n                node[\"reasoning_content\"] = reasoningContent;\n            }\n\n            if (functionCalls.Count > 0)\n            {\n                var toolCalls = new JsonArray();\n                foreach (var call in functionCalls)\n                {\n                    toolCalls.Add(new JsonObject\n                    {\n                        [\"id\"] = call.CallId,\n                        [\"type\"] = \"function\",\n                        [\"function\"] = new JsonObject\n                        {\n                            [\"name\"] = call.Name,\n                            [\"arguments\"] = JsonSerializer.Serialize(call.Arguments, JsonOptions)\n                        }\n                    });\n                }\n\n                node[\"tool_calls\"] = toolCalls;\n            }\n\n            array.Add(node);\n        }\n\n        return array;\n    }\n\n    private static void PrependInstructions(JsonArray messages, string? instructions)\n    {\n        if (string.IsNullOrWhiteSpace(instructions) || HasSystemMessage(messages))\n        {\n            return;\n        }\n\n        messages.Insert(0, new JsonObject\n        {\n            [\"role\"] = \"system\",\n            [\"content\"] = instructions\n        });\n    }\n\n    private static bool HasSystemMessage(JsonArray messages)\n    {\n        foreach (var message in messages)\n        {\n            if (message is JsonObject node &&\n                node[\"role\"]?.GetValue<string>().Equals(\"system\", StringComparison.OrdinalIgnoreCase) == true)\n            {\n                return true;\n            }\n        }\n\n        return false;\n    }\n\n    private static void ApplyCommonOptions(JsonObject body, ChatOptions? options)\n    {\n        if (options == null)\n        {\n            return;\n        }\n\n        if (options.MaxOutputTokens.HasValue)\n        {\n            body[\"max_tokens\"] = options.MaxOutputTokens.Value;\n        }\n\n        if (options.Temperature.HasValue)\n        {\n            body[\"temperature\"] = options.Temperature.Value;\n        }\n\n        if (options.TopP.HasValue)\n        {\n            body[\"top_p\"] = options.TopP.Value;\n        }\n\n        if (options.FrequencyPenalty.HasValue)\n        {\n            body[\"frequency_penalty\"] = options.FrequencyPenalty.Value;\n        }\n\n        if (options.PresencePenalty.HasValue)\n        {\n            body[\"presence_penalty\"] = options.PresencePenalty.Value;\n        }\n\n        if (options.Seed.HasValue)\n        {\n            body[\"seed\"] = options.Seed.Value;\n        }\n\n        if (options.StopSequences is { Count: > 0 })\n        {\n            var stops = new JsonArray();\n            foreach (var stop in options.StopSequences)\n            {\n                stops.Add(stop);\n            }\n\n            body[\"stop\"] = stops;\n        }\n    }\n\n    private static void ApplyTools(JsonObject body, ChatOptions? options)\n    {\n        if (options?.Tools is not { Count: > 0 })\n        {\n            return;\n        }\n\n        var tools = new JsonArray();\n        foreach (var tool in options.Tools)\n        {\n            if (tool is not AIFunctionDeclaration function)\n            {\n                continue;\n            }\n\n            tools.Add(new JsonObject\n            {\n                [\"type\"] = \"function\",\n                [\"function\"] = new JsonObject\n                {\n                    [\"name\"] = function.Name,\n                    [\"description\"] = function.Description ?? string.Empty,\n                    [\"parameters\"] = CloneJsonElement(function.JsonSchema) ?? new JsonObject\n                    {\n                        [\"type\"] = \"object\"\n                    }\n                }\n            });\n        }\n\n        if (tools.Count == 0)\n        {\n            return;\n        }\n\n        body[\"tools\"] = tools;\n        body[\"tool_choice\"] = options.ToolMode switch\n        {\n            NoneChatToolMode => JsonValue.Create(\"none\"),\n            RequiredChatToolMode required when !string.IsNullOrWhiteSpace(required.RequiredFunctionName) => new JsonObject\n            {\n                [\"type\"] = \"function\",\n                [\"function\"] = new JsonObject\n                {\n                    [\"name\"] = required.RequiredFunctionName\n                }\n            },\n            RequiredChatToolMode => JsonValue.Create(\"required\"),\n            _ => JsonValue.Create(\"auto\")\n        };\n    }\n\n    private void ApplyThinkingConfig(JsonObject body, ChatOptions? options)\n    {\n        if (!_options.SupportsThinking || string.IsNullOrWhiteSpace(_options.ThinkingConfigJson))\n        {\n            return;\n        }\n\n        var enabled = ResolveThinkingEnabled(options);\n        if (enabled == null)\n        {\n            return;\n        }\n\n        JsonNode? parsed;\n        try\n        {\n            parsed = JsonNode.Parse(_options.ThinkingConfigJson);\n        }\n        catch (JsonException)\n        {\n            return;\n        }\n\n        if (parsed is not JsonObject config)\n        {\n            return;\n        }\n\n        var bodyParamName = enabled.Value ? \"bodyParams\" : \"disabledBodyParams\";\n        if (config[bodyParamName] is JsonObject bodyParams)\n        {\n            MergeJsonObject(body, bodyParams);\n        }\n\n        if (enabled.Value && config[\"forceTemperature\"] is JsonValue forceTemperature)\n        {\n            body[\"temperature\"] = forceTemperature.DeepClone();\n        }\n    }\n\n    private bool? ResolveThinkingEnabled(ChatOptions? options)\n    {\n        if (TryReadBoolean(options?.AdditionalProperties, \"thinkingEnabled\", out var thinkingEnabled) ||\n            TryReadBoolean(options?.AdditionalProperties, \"enableThinking\", out thinkingEnabled) ||\n            TryReadBoolean(options?.AdditionalProperties, \"enable_thinking\", out thinkingEnabled))\n        {\n            return thinkingEnabled;\n        }\n\n        return _options.ThinkingEnabled ?? true;\n    }\n\n    private string ResolvePromptCacheKey(ChatOptions? options)\n    {\n        if (TryReadString(options?.AdditionalProperties, \"promptCacheKey\", out var promptCacheKey) ||\n            TryReadString(options?.AdditionalProperties, \"prompt_cache_key\", out promptCacheKey))\n        {\n            return NormalizePromptCacheKey(promptCacheKey);\n        }\n\n        return NormalizePromptCacheKey(_options.PromptCacheKey);\n    }\n\n    private static string NormalizePromptCacheKey(string? promptCacheKey)\n    {\n        return string.IsNullOrWhiteSpace(promptCacheKey)\n            ? DefaultPromptCacheKey\n            : promptCacheKey.Trim();\n    }\n\n    private static void ApplyRequestOverrides(\n        JsonObject body,\n        HttpRequestMessage? request,\n        string? overridesJson)\n    {\n        if (string.IsNullOrWhiteSpace(overridesJson))\n        {\n            return;\n        }\n\n        JsonNode? parsed;\n        try\n        {\n            parsed = JsonNode.Parse(overridesJson);\n        }\n        catch (JsonException)\n        {\n            return;\n        }\n\n        if (parsed is not JsonObject overrides)\n        {\n            return;\n        }\n\n        if (request == null)\n        {\n            if (overrides[\"bodyParams\"] is JsonObject bodyParams)\n            {\n                MergeJsonObject(body, bodyParams);\n            }\n\n            if (overrides[\"body\"] is JsonObject bodyOverride)\n            {\n                MergeJsonObject(body, bodyOverride);\n            }\n\n            foreach (var pair in overrides)\n            {\n                if (pair.Key.Equals(\"headers\", StringComparison.OrdinalIgnoreCase) ||\n                    pair.Key.Equals(\"bodyParams\", StringComparison.OrdinalIgnoreCase) ||\n                    pair.Key.Equals(\"body\", StringComparison.OrdinalIgnoreCase))\n                {\n                    continue;\n                }\n\n                body[pair.Key] = pair.Value?.DeepClone();\n            }\n\n            return;\n        }\n\n        if (overrides[\"headers\"] is not JsonObject headers)\n        {\n            return;\n        }\n\n        foreach (var header in headers)\n        {\n            if (header.Value == null)\n            {\n                continue;\n            }\n\n            var value = header.Value.GetValueKind() == JsonValueKind.String\n                ? header.Value.GetValue<string>()\n                : header.Value.ToJsonString(JsonOptions);\n            if (string.IsNullOrWhiteSpace(value))\n            {\n                continue;\n            }\n\n            if (header.Key.Equals(\"Content-Type\", StringComparison.OrdinalIgnoreCase))\n            {\n                request.Content?.Headers.Remove(header.Key);\n                request.Content?.Headers.TryAddWithoutValidation(header.Key, value);\n            }\n            else\n            {\n                request.Headers.Remove(header.Key);\n                request.Headers.TryAddWithoutValidation(header.Key, value);\n            }\n        }\n    }\n\n    private static ChatMessage CreateAssistantMessage(ChatMessageDto message)\n    {\n        var contents = new List<AIContent>();\n        if (!string.IsNullOrEmpty(message.ReasoningContent))\n        {\n            contents.Add(new TextReasoningContent(message.ReasoningContent)\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"reasoning_content\"] = message.ReasoningContent\n                }\n            });\n        }\n\n        if (!string.IsNullOrEmpty(message.Content))\n        {\n            contents.Add(new TextContent(message.Content));\n        }\n\n        if (message.ToolCalls is { Count: > 0 })\n        {\n            foreach (var toolCall in message.ToolCalls)\n            {\n                var function = toolCall.Function;\n                if (string.IsNullOrWhiteSpace(toolCall.Id) || string.IsNullOrWhiteSpace(function?.Name))\n                {\n                    continue;\n                }\n\n                contents.Add(new FunctionCallContent(\n                    toolCall.Id,\n                    function.Name,\n                    ParseArguments(function.Arguments)));\n            }\n        }\n\n        return new ChatMessage(ChatRole.Assistant, contents);\n    }\n\n    private static ChatResponseUpdate CreateToolCallsUpdate(\n        Dictionary<int, StreamingToolCallBuilder> toolCalls,\n        string? responseId,\n        string messageId,\n        string? modelId,\n        DateTimeOffset? createdAt,\n        ChatFinishReason? finishReason,\n        string? rawPayload)\n    {\n        var contents = toolCalls\n            .OrderBy(pair => pair.Key)\n            .Select(pair => pair.Value)\n            .Where(call => !string.IsNullOrWhiteSpace(call.Id) && !string.IsNullOrWhiteSpace(call.Name))\n            .Select(call => (AIContent)new FunctionCallContent(\n                call.Id!,\n                call.Name!,\n                ParseArguments(call.Arguments.ToString())))\n            .ToList();\n\n        return new ChatResponseUpdate(ChatRole.Assistant, contents)\n        {\n            ResponseId = responseId,\n            MessageId = messageId,\n            ModelId = modelId,\n            CreatedAt = createdAt,\n            FinishReason = finishReason,\n            RawRepresentation = rawPayload\n        };\n    }\n\n    private static void AccumulateToolCalls(\n        Dictionary<int, StreamingToolCallBuilder> toolCalls,\n        IReadOnlyList<ToolCallDeltaDto>? deltas)\n    {\n        if (deltas is not { Count: > 0 })\n        {\n            return;\n        }\n\n        for (var position = 0; position < deltas.Count; position++)\n        {\n            var delta = deltas[position];\n            var index = delta.Index ?? position;\n            if (!toolCalls.TryGetValue(index, out var builder))\n            {\n                builder = new StreamingToolCallBuilder();\n                toolCalls[index] = builder;\n            }\n\n            if (!string.IsNullOrWhiteSpace(delta.Id))\n            {\n                builder.Id = delta.Id;\n            }\n\n            if (!string.IsNullOrWhiteSpace(delta.Function?.Name))\n            {\n                builder.Name = delta.Function.Name;\n            }\n\n            if (!string.IsNullOrEmpty(delta.Function?.Arguments))\n            {\n                builder.Arguments.Append(delta.Function.Arguments);\n            }\n        }\n    }\n\n    private static async IAsyncEnumerable<string> ReadSseDataAsync(\n        Stream stream,\n        [EnumeratorCancellation] CancellationToken cancellationToken)\n    {\n        using var reader = new StreamReader(stream, Encoding.UTF8);\n        var data = new StringBuilder();\n        while (await reader.ReadLineAsync(cancellationToken) is { } line)\n        {\n            if (line.Length == 0)\n            {\n                if (data.Length > 0)\n                {\n                    yield return data.ToString();\n                    data.Clear();\n                }\n\n                continue;\n            }\n\n            if (line.StartsWith(':'))\n            {\n                continue;\n            }\n\n            if (!line.StartsWith(\"data:\", StringComparison.OrdinalIgnoreCase))\n            {\n                continue;\n            }\n\n            if (data.Length > 0)\n            {\n                data.Append('\\n');\n            }\n\n            data.Append(line[5..].TrimStart());\n        }\n\n        if (data.Length > 0)\n        {\n            yield return data.ToString();\n        }\n    }\n\n    private static UsageDetails? MapUsage(UsageDto? usage)\n    {\n        if (usage == null)\n        {\n            return null;\n        }\n\n        return new UsageDetails\n        {\n            InputTokenCount = usage.PromptTokens,\n            OutputTokenCount = usage.CompletionTokens,\n            TotalTokenCount = usage.TotalTokens,\n            CachedInputTokenCount = usage.PromptTokensDetails?.CachedTokens,\n            ReasoningTokenCount = usage.CompletionTokensDetails?.ReasoningTokens\n        };\n    }\n\n    private static ChatFinishReason? MapFinishReason(string? finishReason)\n    {\n        return finishReason?.Trim().ToLowerInvariant() switch\n        {\n            \"stop\" => ChatFinishReason.Stop,\n            \"length\" => ChatFinishReason.Length,\n            \"tool_calls\" or \"function_call\" => ChatFinishReason.ToolCalls,\n            \"content_filter\" => ChatFinishReason.ContentFilter,\n            _ => null\n        };\n    }\n\n    private static IDictionary<string, object?> ParseArguments(string? arguments)\n    {\n        if (string.IsNullOrWhiteSpace(arguments))\n        {\n            return new Dictionary<string, object?>();\n        }\n\n        try\n        {\n            using var document = JsonDocument.Parse(arguments);\n            if (document.RootElement.ValueKind != JsonValueKind.Object)\n            {\n                return new Dictionary<string, object?>\n                {\n                    [\"value\"] = ConvertJsonElement(document.RootElement)\n                };\n            }\n\n            return document.RootElement.EnumerateObject()\n                .ToDictionary(\n                    property => property.Name,\n                    property => ConvertJsonElement(property.Value));\n        }\n        catch (JsonException)\n        {\n            return new Dictionary<string, object?>\n            {\n                [\"value\"] = arguments\n            };\n        }\n    }\n\n    private static object? ConvertJsonElement(JsonElement element)\n    {\n        return element.ValueKind switch\n        {\n            JsonValueKind.Object => element.EnumerateObject()\n                .ToDictionary(property => property.Name, property => ConvertJsonElement(property.Value)),\n            JsonValueKind.Array => element.EnumerateArray().Select(ConvertJsonElement).ToList(),\n            JsonValueKind.String => element.GetString(),\n            JsonValueKind.Number when element.TryGetInt64(out var longValue) => longValue,\n            JsonValueKind.Number when element.TryGetDouble(out var doubleValue) => doubleValue,\n            JsonValueKind.True => true,\n            JsonValueKind.False => false,\n            JsonValueKind.Null => null,\n            _ => element.GetRawText()\n        };\n    }\n\n    private static string SerializeToolResult(object? result)\n    {\n        return result switch\n        {\n            null => \"null\",\n            string text => text,\n            JsonElement element => element.GetRawText(),\n            JsonNode node => node.ToJsonString(JsonOptions),\n            _ => JsonSerializer.Serialize(result, JsonOptions)\n        };\n    }\n\n    private static string GetText(IEnumerable<AIContent> contents)\n    {\n        return string.Concat(contents.OfType<TextContent>().Select(content => content.Text));\n    }\n\n    private static string GetReasoningContent(ChatMessage message)\n    {\n        var reasoning = string.Concat(message.Contents\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        if (!string.IsNullOrEmpty(reasoning))\n        {\n            return reasoning;\n        }\n\n        if (TryReadString(message.AdditionalProperties, \"reasoning_content\", out var rawReasoning))\n        {\n            return rawReasoning;\n        }\n\n        return string.Empty;\n    }\n\n    private static JsonNode? CloneJsonElement(JsonElement element)\n    {\n        return element.ValueKind is JsonValueKind.Undefined or JsonValueKind.Null\n            ? null\n            : JsonNode.Parse(element.GetRawText());\n    }\n\n    private static void MergeJsonObject(JsonObject target, JsonObject source)\n    {\n        foreach (var pair in source)\n        {\n            target[pair.Key] = pair.Value?.DeepClone();\n        }\n    }\n\n    private static bool TryReadBoolean(\n        AdditionalPropertiesDictionary? properties,\n        string key,\n        out bool value)\n    {\n        value = false;\n        if (properties == null || !properties.TryGetValue(key, out var raw))\n        {\n            return false;\n        }\n\n        switch (raw)\n        {\n            case bool boolValue:\n                value = boolValue;\n                return true;\n            case string text when bool.TryParse(text, out var parsed):\n                value = parsed;\n                return true;\n            default:\n                return false;\n        }\n    }\n\n    private static bool TryReadString(\n        AdditionalPropertiesDictionary? properties,\n        string key,\n        out string value)\n    {\n        value = string.Empty;\n        if (properties == null || !properties.TryGetValue(key, out var raw))\n        {\n            return false;\n        }\n\n        switch (raw)\n        {\n            case string text:\n                value = text;\n                return true;\n            case JsonElement element when element.ValueKind == JsonValueKind.String:\n                value = element.GetString() ?? string.Empty;\n                return true;\n            case JsonNode node when node.GetValueKind() == JsonValueKind.String:\n                value = node.GetValue<string>();\n                return true;\n            default:\n                return false;\n        }\n    }\n\n    private static DateTimeOffset? ConvertCreatedAt(long? unixSeconds)\n    {\n        return unixSeconds.HasValue ? DateTimeOffset.FromUnixTimeSeconds(unixSeconds.Value) : null;\n    }\n\n    private static string ToOpenAIRole(ChatRole role)\n    {\n        if (role == ChatRole.System)\n        {\n            return \"system\";\n        }\n\n        if (role == ChatRole.Assistant)\n        {\n            return \"assistant\";\n        }\n\n        if (role == ChatRole.Tool)\n        {\n            return \"tool\";\n        }\n\n        return \"user\";\n    }\n\n    private static string NormalizeEndpoint(string? endpoint)\n    {\n        return string.IsNullOrWhiteSpace(endpoint)\n            ? DefaultEndpoint\n            : endpoint.TrimEnd('/');\n    }\n\n    private static string AppendEndpointPath(string baseUrl, string path)\n    {\n        var trimmed = baseUrl.TrimEnd('/');\n        if (trimmed.EndsWith($\"/{path}\", StringComparison.OrdinalIgnoreCase))\n        {\n            return trimmed;\n        }\n\n        return $\"{trimmed}/{path}\";\n    }\n\n    private static bool IsDonePayload(string payload)\n    {\n        return payload.Equals(\"[DONE]\", StringComparison.OrdinalIgnoreCase) ||\n               payload.Equals(\"DONE\", StringComparison.OrdinalIgnoreCase);\n    }\n\n    private static void EnsureSuccessStatusCode(HttpResponseMessage response, string? content)\n    {\n        if (response.IsSuccessStatusCode)\n        {\n            return;\n        }\n\n        var message = string.IsNullOrWhiteSpace(content)\n            ? response.ReasonPhrase\n            : TrimForError(content);\n        throw new HttpRequestException(\n            $\"DeepSeek OpenAI-compatible request failed with HTTP {(int)response.StatusCode}: {message}\",\n            null,\n            response.StatusCode);\n    }\n\n    private static string TrimForError(string text)\n    {\n        var trimmed = text.Trim();\n        return trimmed.Length <= 600 ? trimmed : trimmed[..600];\n    }\n\n    private sealed class StreamingToolCallBuilder\n    {\n        public string? Id { get; set; }\n        public string? Name { get; set; }\n        public StringBuilder Arguments { get; } = new();\n    }\n\n    private sealed class ChatCompletionResponse\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"model\")]\n        public string? Model { get; init; }\n\n        [JsonPropertyName(\"created\")]\n        public long? Created { get; init; }\n\n        [JsonPropertyName(\"choices\")]\n        public List<ChatCompletionChoice>? Choices { get; init; }\n\n        [JsonPropertyName(\"usage\")]\n        public UsageDto? Usage { get; init; }\n    }\n\n    private sealed class ChatCompletionChunk\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"model\")]\n        public string? Model { get; init; }\n\n        [JsonPropertyName(\"created\")]\n        public long? Created { get; init; }\n\n        [JsonPropertyName(\"choices\")]\n        public List<ChatCompletionChunkChoice>? Choices { get; init; }\n\n        [JsonPropertyName(\"usage\")]\n        public UsageDto? Usage { get; init; }\n    }\n\n    private sealed class ChatCompletionChoice\n    {\n        [JsonPropertyName(\"message\")]\n        public ChatMessageDto? Message { get; init; }\n\n        [JsonPropertyName(\"finish_reason\")]\n        public string? FinishReason { get; init; }\n    }\n\n    private sealed class ChatCompletionChunkChoice\n    {\n        [JsonPropertyName(\"delta\")]\n        public ChatDeltaDto? Delta { get; init; }\n\n        [JsonPropertyName(\"finish_reason\")]\n        public string? FinishReason { get; init; }\n    }\n\n    private sealed class ChatMessageDto\n    {\n        [JsonPropertyName(\"content\")]\n        public string? Content { get; init; }\n\n        [JsonPropertyName(\"reasoning_content\")]\n        public string? ReasoningContent { get; init; }\n\n        [JsonPropertyName(\"tool_calls\")]\n        public List<ToolCallDto>? ToolCalls { get; init; }\n    }\n\n    private sealed class ChatDeltaDto\n    {\n        [JsonPropertyName(\"content\")]\n        public string? Content { get; init; }\n\n        [JsonPropertyName(\"reasoning_content\")]\n        public string? ReasoningContent { get; init; }\n\n        [JsonPropertyName(\"tool_calls\")]\n        public List<ToolCallDeltaDto>? ToolCalls { get; init; }\n    }\n\n    private sealed class ToolCallDto\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"function\")]\n        public ToolFunctionDto? Function { get; init; }\n    }\n\n    private sealed class ToolCallDeltaDto\n    {\n        [JsonPropertyName(\"index\")]\n        public int? Index { get; init; }\n\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"function\")]\n        public ToolFunctionDto? Function { get; init; }\n    }\n\n    private sealed class ToolFunctionDto\n    {\n        [JsonPropertyName(\"name\")]\n        public string? Name { get; init; }\n\n        [JsonPropertyName(\"arguments\")]\n        public string? Arguments { get; init; }\n    }\n\n    private sealed class UsageDto\n    {\n        [JsonPropertyName(\"prompt_tokens\")]\n        public int? PromptTokens { get; init; }\n\n        [JsonPropertyName(\"completion_tokens\")]\n        public int? CompletionTokens { get; init; }\n\n        [JsonPropertyName(\"total_tokens\")]\n        public int? TotalTokens { get; init; }\n\n        [JsonPropertyName(\"prompt_tokens_details\")]\n        public PromptTokensDetailsDto? PromptTokensDetails { get; init; }\n\n        [JsonPropertyName(\"completion_tokens_details\")]\n        public CompletionTokensDetailsDto? CompletionTokensDetails { get; init; }\n    }\n\n    private sealed class PromptTokensDetailsDto\n    {\n        [JsonPropertyName(\"cached_tokens\")]\n        public int? CachedTokens { get; init; }\n    }\n\n    private sealed class CompletionTokensDetailsDto\n    {\n        [JsonPropertyName(\"reasoning_tokens\")]\n        public int? ReasoningTokens { get; init; }\n    }\n}\n"}, "24e31a340b661bee848fad546832d68b7bcfa3d3": {"t": 1785760376.441388, "n": 35867, "h": "7f6bc1bca60b6f36", "c": "using System.Net.Http.Headers;\nusing System.Runtime.CompilerServices;\nusing System.Text;\nusing System.Text.Json;\nusing System.Text.Json.Nodes;\nusing System.Text.Json.Serialization;\nusing Microsoft.Extensions.AI;\n\nnamespace OpenDeepWiki.Agents;\n\npublic sealed class DeepSeekOpenAIChatClient : IChatClient\n{\n    private const string DefaultEndpoint = \"https://api.deepseek.com/v1\";\n\n    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)\n    {\n        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull\n    };\n\n    private static readonly string PromptCacheKey = $\"opendeepwiki-{Guid.NewGuid():N}\";\n\n    private readonly string _model;\n    private readonly string _apiKey;\n    private readonly HttpClient _httpClient;\n    private readonly AiRequestOptions _options;\n    private readonly bool _disposeHttpClient;\n\n    public DeepSeekOpenAIChatClient(\n        string model,\n        string? endpoint,\n        string apiKey,\n        HttpClient httpClient,\n        AiRequestOptions options,\n        bool disposeHttpClient = false)\n    {\n        _model = string.IsNullOrWhiteSpace(model)\n            ? throw new ArgumentException(\"Model is required.\", nameof(model))\n            : model;\n        _apiKey = string.IsNullOrWhiteSpace(apiKey)\n            ? throw new ArgumentException(\"API key is required.\", nameof(apiKey))\n            : apiKey;\n        _httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient));\n        _options = options ?? throw new ArgumentNullException(nameof(options));\n        _options.Endpoint = NormalizeEndpoint(endpoint);\n        _disposeHttpClient = disposeHttpClient;\n    }\n\n    public async Task<ChatResponse> GetResponseAsync(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options = null,\n        CancellationToken cancellationToken = default)\n    {\n        using var request = CreateRequest(messages, options, stream: false);\n        using var response = await _httpClient.SendAsync(request, cancellationToken);\n        var content = await response.Content.ReadAsStringAsync(cancellationToken);\n        EnsureSuccessStatusCode(response, content);\n\n        var completion = JsonSerializer.Deserialize<ChatCompletionResponse>(content, JsonOptions)\n                         ?? throw new JsonException(\"DeepSeek returned an empty chat completion response.\");\n        var choice = completion.Choices?.FirstOrDefault();\n        var message = choice?.Message ?? new ChatMessageDto();\n        var chatMessage = CreateAssistantMessage(message);\n\n        return new ChatResponse(chatMessage)\n        {\n            ResponseId = completion.Id,\n            ModelId = completion.Model ?? _model,\n            CreatedAt = ConvertCreatedAt(completion.Created),\n            FinishReason = MapFinishReason(choice?.FinishReason),\n            Usage = MapUsage(completion.Usage),\n            RawRepresentation = content\n        };\n    }\n\n    public async IAsyncEnumerable<ChatResponseUpdate> GetStreamingResponseAsync(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options = null,\n        [EnumeratorCancellation] CancellationToken cancellationToken = default)\n    {\n        using var request = CreateRequest(messages, options, stream: true);\n        using var response = await _httpClient.SendAsync(\n            request,\n            HttpCompletionOption.ResponseHeadersRead,\n            cancellationToken);\n        var errorContent = response.IsSuccessStatusCode\n            ? null\n            : await response.Content.ReadAsStringAsync(cancellationToken);\n        EnsureSuccessStatusCode(response, errorContent);\n\n        await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken);\n        var toolCalls = new Dictionary<int, StreamingToolCallBuilder>();\n        var emittedToolCalls = false;\n        string? responseId = null;\n        string? modelId = null;\n        DateTimeOffset? createdAt = null;\n        var messageId = Guid.NewGuid().ToString(\"N\");\n\n        await foreach (var payload in ReadSseDataAsync(stream, cancellationToken))\n        {\n            if (IsDonePayload(payload))\n            {\n                break;\n            }\n\n            ChatCompletionChunk chunk;\n            try\n            {\n                chunk = JsonSerializer.Deserialize<ChatCompletionChunk>(payload, JsonOptions)\n                        ?? throw new JsonException(\"DeepSeek returned an empty stream chunk.\");\n            }\n            catch (JsonException ex)\n            {\n                throw new JsonException($\"Invalid DeepSeek stream data: {TrimForError(payload)}\", ex);\n            }\n\n            responseId ??= chunk.Id;\n            modelId = chunk.Model ?? modelId ?? _model;\n            createdAt ??= ConvertCreatedAt(chunk.Created);\n\n            if (chunk.Usage != null)\n            {\n                yield return new ChatResponseUpdate\n                {\n                    ResponseId = responseId,\n                    MessageId = messageId,\n                    ModelId = modelId,\n                    CreatedAt = createdAt,\n                    Contents = [new UsageContent(MapUsage(chunk.Usage)!)],\n                    RawRepresentation = payload\n                };\n            }\n\n            if (chunk.Choices is not { Count: > 0 })\n            {\n                continue;\n            }\n\n            foreach (var choice in chunk.Choices)\n            {\n                var delta = choice.Delta;\n                if (!string.IsNullOrEmpty(delta?.Content))\n                {\n                    yield return new ChatResponseUpdate(ChatRole.Assistant, delta.Content)\n                    {\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        RawRepresentation = payload\n                    };\n                }\n\n                if (!string.IsNullOrEmpty(delta?.ReasoningContent))\n                {\n                    var reasoningContent = new TextReasoningContent(delta.ReasoningContent)\n                    {\n                        AdditionalProperties = new AdditionalPropertiesDictionary\n                        {\n                            [\"reasoning_content\"] = delta.ReasoningContent\n                        }\n                    };\n                    var reasoningUpdate = new ChatResponseUpdate(ChatRole.Assistant, [reasoningContent])\n                    {\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        RawRepresentation = payload,\n                        AdditionalProperties = new AdditionalPropertiesDictionary\n                        {\n                            [\"reasoning_content\"] = delta.ReasoningContent\n                        }\n                    };\n                    yield return reasoningUpdate;\n                }\n\n                AccumulateToolCalls(toolCalls, delta?.ToolCalls);\n\n                var finishReason = MapFinishReason(choice.FinishReason);\n                if (finishReason == ChatFinishReason.ToolCalls && toolCalls.Count > 0)\n                {\n                    emittedToolCalls = true;\n                    yield return CreateToolCallsUpdate(\n                        toolCalls,\n                        responseId,\n                        messageId,\n                        modelId,\n                        createdAt,\n                        finishReason,\n                        payload);\n                }\n                else if (finishReason != null)\n                {\n                    yield return new ChatResponseUpdate\n                    {\n                        Role = ChatRole.Assistant,\n                        ResponseId = responseId,\n                        MessageId = messageId,\n                        ModelId = modelId,\n                        CreatedAt = createdAt,\n                        FinishReason = finishReason,\n                        RawRepresentation = payload\n                    };\n                }\n            }\n        }\n\n        if (!emittedToolCalls && toolCalls.Count > 0)\n        {\n            yield return CreateToolCallsUpdate(\n                toolCalls,\n                responseId,\n                messageId,\n                modelId ?? _model,\n                createdAt,\n                ChatFinishReason.ToolCalls,\n                null);\n        }\n    }\n\n    public object? GetService(Type serviceType, object? serviceKey = null)\n    {\n        return serviceKey == null && serviceType.IsInstanceOfType(this) ? this : null;\n    }\n\n    public void Dispose()\n    {\n        if (_disposeHttpClient)\n        {\n            _httpClient.Dispose();\n        }\n    }\n\n    private HttpRequestMessage CreateRequest(\n        IEnumerable<ChatMessage> messages,\n        ChatOptions? options,\n        bool stream)\n    {\n        var requestMessages = BuildMessages(messages);\n        PrependInstructions(requestMessages, options?.Instructions);\n\n        var body = new JsonObject\n        {\n            [\"model\"] = options?.ModelId ?? _model,\n            [\"stream\"] = stream,\n            [\"prompt_cache_key\"] = PromptCacheKey,\n            [\"messages\"] = requestMessages\n        };\n\n        if (stream)\n        {\n            body[\"stream_options\"] = new JsonObject\n            {\n                [\"include_usage\"] = true\n            };\n        }\n\n        ApplyCommonOptions(body, options);\n        ApplyTools(body, options);\n        ApplyRequestOverrides(body, null, _options.ProviderRequestOverridesJson);\n        ApplyRequestOverrides(body, null, _options.ModelRequestOverridesJson);\n        ApplyThinkingConfig(body, options);\n\n        var request = new HttpRequestMessage(\n            HttpMethod.Post,\n            AppendEndpointPath(_options.Endpoint ?? DefaultEndpoint, \"chat/completions\"))\n        {\n            Content = new StringContent(body.ToJsonString(JsonOptions), Encoding.UTF8, \"application/json\")\n        };\n\n        request.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", _apiKey);\n        request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(stream ? \"text/event-stream\" : \"application/json\"));\n        ApplyRequestOverrides(body, request, _options.ProviderRequestOverridesJson);\n        ApplyRequestOverrides(body, request, _options.ModelRequestOverridesJson);\n        return request;\n    }\n\n    private static JsonArray BuildMessages(IEnumerable<ChatMessage> messages)\n    {\n        var array = new JsonArray();\n        foreach (var message in messages)\n        {\n            var functionResults = message.Contents.OfType<FunctionResultContent>().ToList();\n            if (functionResults.Count > 0)\n            {\n                foreach (var result in functionResults)\n                {\n                    array.Add(new JsonObject\n                    {\n                        [\"role\"] = \"tool\",\n                        [\"tool_call_id\"] = result.CallId,\n                        [\"content\"] = SerializeToolResult(result.Result)\n                    });\n                }\n\n                continue;\n            }\n\n            var functionCalls = message.Contents.OfType<FunctionCallContent>().ToList();\n            var role = ToOpenAIRole(message.Role);\n            var node = new JsonObject\n            {\n                [\"role\"] = role\n            };\n\n            var text = GetText(message.Contents);\n            node[\"content\"] = string.IsNullOrEmpty(text) && functionCalls.Count > 0 ? null : text;\n\n            var reasoningContent = GetReasoningContent(message);\n            if (role == \"assistant\" && !string.IsNullOrEmpty(reasoningContent))\n            {\n                node[\"reasoning_content\"] = reasoningContent;\n            }\n\n            if (functionCalls.Count > 0)\n            {\n                var toolCalls = new JsonArray();\n                foreach (var call in functionCalls)\n                {\n                    toolCalls.Add(new JsonObject\n                    {\n                        [\"id\"] = call.CallId,\n                        [\"type\"] = \"function\",\n                        [\"function\"] = new JsonObject\n                        {\n                            [\"name\"] = call.Name,\n                            [\"arguments\"] = JsonSerializer.Serialize(call.Arguments, JsonOptions)\n                        }\n                    });\n                }\n\n                node[\"tool_calls\"] = toolCalls;\n            }\n\n            array.Add(node);\n        }\n\n        return array;\n    }\n\n    private static void PrependInstructions(JsonArray messages, string? instructions)\n    {\n        if (string.IsNullOrWhiteSpace(instructions) || HasSystemMessage(messages))\n        {\n            return;\n        }\n\n        messages.Insert(0, new JsonObject\n        {\n            [\"role\"] = \"system\",\n            [\"content\"] = instructions\n        });\n    }\n\n    private static bool HasSystemMessage(JsonArray messages)\n    {\n        foreach (var message in messages)\n        {\n            if (message is JsonObject node &&\n                node[\"role\"]?.GetValue<string>().Equals(\"system\", StringComparison.OrdinalIgnoreCase) == true)\n            {\n                return true;\n            }\n        }\n\n        return false;\n    }\n\n    private static void ApplyCommonOptions(JsonObject body, ChatOptions? options)\n    {\n        if (options == null)\n        {\n            return;\n        }\n\n        if (options.MaxOutputTokens.HasValue)\n        {\n            body[\"max_tokens\"] = options.MaxOutputTokens.Value;\n        }\n\n        if (options.Temperature.HasValue)\n        {\n            body[\"temperature\"] = options.Temperature.Value;\n        }\n\n        if (options.TopP.HasValue)\n        {\n            body[\"top_p\"] = options.TopP.Value;\n        }\n\n        if (options.FrequencyPenalty.HasValue)\n        {\n            body[\"frequency_penalty\"] = options.FrequencyPenalty.Value;\n        }\n\n        if (options.PresencePenalty.HasValue)\n        {\n            body[\"presence_penalty\"] = options.PresencePenalty.Value;\n        }\n\n        if (options.Seed.HasValue)\n        {\n            body[\"seed\"] = options.Seed.Value;\n        }\n\n        if (options.StopSequences is { Count: > 0 })\n        {\n            var stops = new JsonArray();\n            foreach (var stop in options.StopSequences)\n            {\n                stops.Add(stop);\n            }\n\n            body[\"stop\"] = stops;\n        }\n    }\n\n    private static void ApplyTools(JsonObject body, ChatOptions? options)\n    {\n        if (options?.Tools is not { Count: > 0 })\n        {\n            return;\n        }\n\n        var tools = new JsonArray();\n        foreach (var tool in options.Tools)\n        {\n            if (tool is not AIFunctionDeclaration function)\n            {\n                continue;\n            }\n\n            tools.Add(new JsonObject\n            {\n                [\"type\"] = \"function\",\n                [\"function\"] = new JsonObject\n                {\n                    [\"name\"] = function.Name,\n                    [\"description\"] = function.Description ?? string.Empty,\n                    [\"parameters\"] = CloneJsonElement(function.JsonSchema) ?? new JsonObject\n                    {\n                        [\"type\"] = \"object\"\n                    }\n                }\n            });\n        }\n\n        if (tools.Count == 0)\n        {\n            return;\n        }\n\n        body[\"tools\"] = tools;\n        body[\"tool_choice\"] = options.ToolMode switch\n        {\n            NoneChatToolMode => JsonValue.Create(\"none\"),\n            RequiredChatToolMode required when !string.IsNullOrWhiteSpace(required.RequiredFunctionName) => new JsonObject\n            {\n                [\"type\"] = \"function\",\n                [\"function\"] = new JsonObject\n                {\n                    [\"name\"] = required.RequiredFunctionName\n                }\n            },\n            RequiredChatToolMode => JsonValue.Create(\"required\"),\n            _ => JsonValue.Create(\"auto\")\n        };\n    }\n\n    private void ApplyThinkingConfig(JsonObject body, ChatOptions? options)\n    {\n        if (!_options.SupportsThinking || string.IsNullOrWhiteSpace(_options.ThinkingConfigJson))\n        {\n            return;\n        }\n\n        var enabled = ResolveThinkingEnabled(options);\n        if (enabled == null)\n        {\n            return;\n        }\n\n        JsonNode? parsed;\n        try\n        {\n            parsed = JsonNode.Parse(_options.ThinkingConfigJson);\n        }\n        catch (JsonException)\n        {\n            return;\n        }\n\n        if (parsed is not JsonObject config)\n        {\n            return;\n        }\n\n        var bodyParamName = enabled.Value ? \"bodyParams\" : \"disabledBodyParams\";\n        if (config[bodyParamName] is JsonObject bodyParams)\n        {\n            MergeJsonObject(body, bodyParams);\n        }\n\n        if (enabled.Value && config[\"forceTemperature\"] is JsonValue forceTemperature)\n        {\n            body[\"temperature\"] = forceTemperature.DeepClone();\n        }\n    }\n\n    private bool? ResolveThinkingEnabled(ChatOptions? options)\n    {\n        if (TryReadBoolean(options?.AdditionalProperties, \"thinkingEnabled\", out var thinkingEnabled) ||\n            TryReadBoolean(options?.AdditionalProperties, \"enableThinking\", out thinkingEnabled) ||\n            TryReadBoolean(options?.AdditionalProperties, \"enable_thinking\", out thinkingEnabled))\n        {\n            return thinkingEnabled;\n        }\n\n        return _options.ThinkingEnabled ?? true;\n    }\n\n    private static void ApplyRequestOverrides(\n        JsonObject body,\n        HttpRequestMessage? request,\n        string? overridesJson)\n    {\n        if (string.IsNullOrWhiteSpace(overridesJson))\n        {\n            return;\n        }\n\n        JsonNode? parsed;\n        try\n        {\n            parsed = JsonNode.Parse(overridesJson);\n        }\n        catch (JsonException)\n        {\n            return;\n        }\n\n        if (parsed is not JsonObject overrides)\n        {\n            return;\n        }\n\n        if (request == null)\n        {\n            if (overrides[\"bodyParams\"] is JsonObject bodyParams)\n            {\n                MergeJsonObject(body, bodyParams);\n            }\n\n            if (overrides[\"body\"] is JsonObject bodyOverride)\n            {\n                MergeJsonObject(body, bodyOverride);\n            }\n\n            foreach (var pair in overrides)\n            {\n                if (pair.Key.Equals(\"headers\", StringComparison.OrdinalIgnoreCase) ||\n                    pair.Key.Equals(\"bodyParams\", StringComparison.OrdinalIgnoreCase) ||\n                    pair.Key.Equals(\"body\", StringComparison.OrdinalIgnoreCase))\n                {\n                    continue;\n                }\n\n                body[pair.Key] = pair.Value?.DeepClone();\n            }\n\n            return;\n        }\n\n        if (overrides[\"headers\"] is not JsonObject headers)\n        {\n            return;\n        }\n\n        foreach (var header in headers)\n        {\n            if (header.Value == null)\n            {\n                continue;\n            }\n\n            var value = header.Value.GetValueKind() == JsonValueKind.String\n                ? header.Value.GetValue<string>()\n                : header.Value.ToJsonString(JsonOptions);\n            if (string.IsNullOrWhiteSpace(value))\n            {\n                continue;\n            }\n\n            if (header.Key.Equals(\"Content-Type\", StringComparison.OrdinalIgnoreCase))\n            {\n                request.Content?.Headers.Remove(header.Key);\n                request.Content?.Headers.TryAddWithoutValidation(header.Key, value);\n            }\n            else\n            {\n                request.Headers.Remove(header.Key);\n                request.Headers.TryAddWithoutValidation(header.Key, value);\n            }\n        }\n    }\n\n    private static ChatMessage CreateAssistantMessage(ChatMessageDto message)\n    {\n        var contents = new List<AIContent>();\n        if (!string.IsNullOrEmpty(message.ReasoningContent))\n        {\n            contents.Add(new TextReasoningContent(message.ReasoningContent)\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"reasoning_content\"] = message.ReasoningContent\n                }\n            });\n        }\n\n        if (!string.IsNullOrEmpty(message.Content))\n        {\n            contents.Add(new TextContent(message.Content));\n        }\n\n        if (message.ToolCalls is { Count: > 0 })\n        {\n            foreach (var toolCall in message.ToolCalls)\n            {\n                var function = toolCall.Function;\n                if (string.IsNullOrWhiteSpace(toolCall.Id) || string.IsNullOrWhiteSpace(function?.Name))\n                {\n                    continue;\n                }\n\n                contents.Add(new FunctionCallContent(\n                    toolCall.Id,\n                    function.Name,\n                    ParseArguments(function.Arguments)));\n            }\n        }\n\n        return new ChatMessage(ChatRole.Assistant, contents);\n    }\n\n    private static ChatResponseUpdate CreateToolCallsUpdate(\n        Dictionary<int, StreamingToolCallBuilder> toolCalls,\n        string? responseId,\n        string messageId,\n        string? modelId,\n        DateTimeOffset? createdAt,\n        ChatFinishReason? finishReason,\n        string? rawPayload)\n    {\n        var contents = toolCalls\n            .OrderBy(pair => pair.Key)\n            .Select(pair => pair.Value)\n            .Where(call => !string.IsNullOrWhiteSpace(call.Id) && !string.IsNullOrWhiteSpace(call.Name))\n            .Select(call => (AIContent)new FunctionCallContent(\n                call.Id!,\n                call.Name!,\n                ParseArguments(call.Arguments.ToString())))\n            .ToList();\n\n        return new ChatResponseUpdate(ChatRole.Assistant, contents)\n        {\n            ResponseId = responseId,\n            MessageId = messageId,\n            ModelId = modelId,\n            CreatedAt = createdAt,\n            FinishReason = finishReason,\n            RawRepresentation = rawPayload\n        };\n    }\n\n    private static void AccumulateToolCalls(\n        Dictionary<int, StreamingToolCallBuilder> toolCalls,\n        IReadOnlyList<ToolCallDeltaDto>? deltas)\n    {\n        if (deltas is not { Count: > 0 })\n        {\n            return;\n        }\n\n        for (var position = 0; position < deltas.Count; position++)\n        {\n            var delta = deltas[position];\n            var index = delta.Index ?? position;\n            if (!toolCalls.TryGetValue(index, out var builder))\n            {\n                builder = new StreamingToolCallBuilder();\n                toolCalls[index] = builder;\n            }\n\n            if (!string.IsNullOrWhiteSpace(delta.Id))\n            {\n                builder.Id = delta.Id;\n            }\n\n            if (!string.IsNullOrWhiteSpace(delta.Function?.Name))\n            {\n                builder.Name = delta.Function.Name;\n            }\n\n            if (!string.IsNullOrEmpty(delta.Function?.Arguments))\n            {\n                builder.Arguments.Append(delta.Function.Arguments);\n            }\n        }\n    }\n\n    private static async IAsyncEnumerable<string> ReadSseDataAsync(\n        Stream stream,\n        [EnumeratorCancellation] CancellationToken cancellationToken)\n    {\n        using var reader = new StreamReader(stream, Encoding.UTF8);\n        var data = new StringBuilder();\n        while (await reader.ReadLineAsync(cancellationToken) is { } line)\n        {\n            if (line.Length == 0)\n            {\n                if (data.Length > 0)\n                {\n                    yield return data.ToString();\n                    data.Clear();\n                }\n\n                continue;\n            }\n\n            if (line.StartsWith(':'))\n            {\n                continue;\n            }\n\n            if (!line.StartsWith(\"data:\", StringComparison.OrdinalIgnoreCase))\n            {\n                continue;\n            }\n\n            if (data.Length > 0)\n            {\n                data.Append('\\n');\n            }\n\n            data.Append(line[5..].TrimStart());\n        }\n\n        if (data.Length > 0)\n        {\n            yield return data.ToString();\n        }\n    }\n\n    private static UsageDetails? MapUsage(UsageDto? usage)\n    {\n        if (usage == null)\n        {\n            return null;\n        }\n\n        return new UsageDetails\n        {\n            InputTokenCount = usage.PromptTokens,\n            OutputTokenCount = usage.CompletionTokens,\n            TotalTokenCount = usage.TotalTokens,\n            CachedInputTokenCount = usage.PromptTokensDetails?.CachedTokens,\n            ReasoningTokenCount = usage.CompletionTokensDetails?.ReasoningTokens\n        };\n    }\n\n    private static ChatFinishReason? MapFinishReason(string? finishReason)\n    {\n        return finishReason?.Trim().ToLowerInvariant() switch\n        {\n            \"stop\" => ChatFinishReason.Stop,\n            \"length\" => ChatFinishReason.Length,\n            \"tool_calls\" or \"function_call\" => ChatFinishReason.ToolCalls,\n            \"content_filter\" => ChatFinishReason.ContentFilter,\n            _ => null\n        };\n    }\n\n    private static IDictionary<string, object?> ParseArguments(string? arguments)\n    {\n        if (string.IsNullOrWhiteSpace(arguments))\n        {\n            return new Dictionary<string, object?>();\n        }\n\n        try\n        {\n            using var document = JsonDocument.Parse(arguments);\n            if (document.RootElement.ValueKind != JsonValueKind.Object)\n            {\n                return new Dictionary<string, object?>\n                {\n                    [\"value\"] = ConvertJsonElement(document.RootElement)\n                };\n            }\n\n            return document.RootElement.EnumerateObject()\n                .ToDictionary(\n                    property => property.Name,\n                    property => ConvertJsonElement(property.Value));\n        }\n        catch (JsonException)\n        {\n            return new Dictionary<string, object?>\n            {\n                [\"value\"] = arguments\n            };\n        }\n    }\n\n    private static object? ConvertJsonElement(JsonElement element)\n    {\n        return element.ValueKind switch\n        {\n            JsonValueKind.Object => element.EnumerateObject()\n                .ToDictionary(property => property.Name, property => ConvertJsonElement(property.Value)),\n            JsonValueKind.Array => element.EnumerateArray().Select(ConvertJsonElement).ToList(),\n            JsonValueKind.String => element.GetString(),\n            JsonValueKind.Number when element.TryGetInt64(out var longValue) => longValue,\n            JsonValueKind.Number when element.TryGetDouble(out var doubleValue) => doubleValue,\n            JsonValueKind.True => true,\n            JsonValueKind.False => false,\n            JsonValueKind.Null => null,\n            _ => element.GetRawText()\n        };\n    }\n\n    private static string SerializeToolResult(object? result)\n    {\n        return result switch\n        {\n            null => \"null\",\n            string text => text,\n            JsonElement element => element.GetRawText(),\n            JsonNode node => node.ToJsonString(JsonOptions),\n            _ => JsonSerializer.Serialize(result, JsonOptions)\n        };\n    }\n\n    private static string GetText(IEnumerable<AIContent> contents)\n    {\n        return string.Concat(contents.OfType<TextContent>().Select(content => content.Text));\n    }\n\n    private static string GetReasoningContent(ChatMessage message)\n    {\n        var reasoning = string.Concat(message.Contents\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        if (!string.IsNullOrEmpty(reasoning))\n        {\n            return reasoning;\n        }\n\n        if (TryReadString(message.AdditionalProperties, \"reasoning_content\", out var rawReasoning))\n        {\n            return rawReasoning;\n        }\n\n        return string.Empty;\n    }\n\n    private static JsonNode? CloneJsonElement(JsonElement element)\n    {\n        return element.ValueKind is JsonValueKind.Undefined or JsonValueKind.Null\n            ? null\n            : JsonNode.Parse(element.GetRawText());\n    }\n\n    private static void MergeJsonObject(JsonObject target, JsonObject source)\n    {\n        foreach (var pair in source)\n        {\n            target[pair.Key] = pair.Value?.DeepClone();\n        }\n    }\n\n    private static bool TryReadBoolean(\n        AdditionalPropertiesDictionary? properties,\n        string key,\n        out bool value)\n    {\n        value = false;\n        if (properties == null || !properties.TryGetValue(key, out var raw))\n        {\n            return false;\n        }\n\n        switch (raw)\n        {\n            case bool boolValue:\n                value = boolValue;\n                return true;\n            case string text when bool.TryParse(text, out var parsed):\n                value = parsed;\n                return true;\n            default:\n                return false;\n        }\n    }\n\n    private static bool TryReadString(\n        AdditionalPropertiesDictionary? properties,\n        string key,\n        out string value)\n    {\n        value = string.Empty;\n        if (properties == null || !properties.TryGetValue(key, out var raw))\n        {\n            return false;\n        }\n\n        switch (raw)\n        {\n            case string text:\n                value = text;\n                return true;\n            case JsonElement element when element.ValueKind == JsonValueKind.String:\n                value = element.GetString() ?? string.Empty;\n                return true;\n            case JsonNode node when node.GetValueKind() == JsonValueKind.String:\n                value = node.GetValue<string>();\n                return true;\n            default:\n                return false;\n        }\n    }\n\n    private static DateTimeOffset? ConvertCreatedAt(long? unixSeconds)\n    {\n        return unixSeconds.HasValue ? DateTimeOffset.FromUnixTimeSeconds(unixSeconds.Value) : null;\n    }\n\n    private static string ToOpenAIRole(ChatRole role)\n    {\n        if (role == ChatRole.System)\n        {\n            return \"system\";\n        }\n\n        if (role == ChatRole.Assistant)\n        {\n            return \"assistant\";\n        }\n\n        if (role == ChatRole.Tool)\n        {\n            return \"tool\";\n        }\n\n        return \"user\";\n    }\n\n    private static string NormalizeEndpoint(string? endpoint)\n    {\n        return string.IsNullOrWhiteSpace(endpoint)\n            ? DefaultEndpoint\n            : endpoint.TrimEnd('/');\n    }\n\n    private static string AppendEndpointPath(string baseUrl, string path)\n    {\n        var trimmed = baseUrl.TrimEnd('/');\n        if (trimmed.EndsWith($\"/{path}\", StringComparison.OrdinalIgnoreCase))\n        {\n            return trimmed;\n        }\n\n        return $\"{trimmed}/{path}\";\n    }\n\n    private static bool IsDonePayload(string payload)\n    {\n        return payload.Equals(\"[DONE]\", StringComparison.OrdinalIgnoreCase) ||\n               payload.Equals(\"DONE\", StringComparison.OrdinalIgnoreCase);\n    }\n\n    private static void EnsureSuccessStatusCode(HttpResponseMessage response, string? content)\n    {\n        if (response.IsSuccessStatusCode)\n        {\n            return;\n        }\n\n        var message = string.IsNullOrWhiteSpace(content)\n            ? response.ReasonPhrase\n            : TrimForError(content);\n        throw new HttpRequestException(\n            $\"DeepSeek OpenAI-compatible request failed with HTTP {(int)response.StatusCode}: {message}\",\n            null,\n            response.StatusCode);\n    }\n\n    private static string TrimForError(string text)\n    {\n        var trimmed = text.Trim();\n        return trimmed.Length <= 600 ? trimmed : trimmed[..600];\n    }\n\n    private sealed class StreamingToolCallBuilder\n    {\n        public string? Id { get; set; }\n        public string? Name { get; set; }\n        public StringBuilder Arguments { get; } = new();\n    }\n\n    private sealed class ChatCompletionResponse\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"model\")]\n        public string? Model { get; init; }\n\n        [JsonPropertyName(\"created\")]\n        public long? Created { get; init; }\n\n        [JsonPropertyName(\"choices\")]\n        public List<ChatCompletionChoice>? Choices { get; init; }\n\n        [JsonPropertyName(\"usage\")]\n        public UsageDto? Usage { get; init; }\n    }\n\n    private sealed class ChatCompletionChunk\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"model\")]\n        public string? Model { get; init; }\n\n        [JsonPropertyName(\"created\")]\n        public long? Created { get; init; }\n\n        [JsonPropertyName(\"choices\")]\n        public List<ChatCompletionChunkChoice>? Choices { get; init; }\n\n        [JsonPropertyName(\"usage\")]\n        public UsageDto? Usage { get; init; }\n    }\n\n    private sealed class ChatCompletionChoice\n    {\n        [JsonPropertyName(\"message\")]\n        public ChatMessageDto? Message { get; init; }\n\n        [JsonPropertyName(\"finish_reason\")]\n        public string? FinishReason { get; init; }\n    }\n\n    private sealed class ChatCompletionChunkChoice\n    {\n        [JsonPropertyName(\"delta\")]\n        public ChatDeltaDto? Delta { get; init; }\n\n        [JsonPropertyName(\"finish_reason\")]\n        public string? FinishReason { get; init; }\n    }\n\n    private sealed class ChatMessageDto\n    {\n        [JsonPropertyName(\"content\")]\n        public string? Content { get; init; }\n\n        [JsonPropertyName(\"reasoning_content\")]\n        public string? ReasoningContent { get; init; }\n\n        [JsonPropertyName(\"tool_calls\")]\n        public List<ToolCallDto>? ToolCalls { get; init; }\n    }\n\n    private sealed class ChatDeltaDto\n    {\n        [JsonPropertyName(\"content\")]\n        public string? Content { get; init; }\n\n        [JsonPropertyName(\"reasoning_content\")]\n        public string? ReasoningContent { get; init; }\n\n        [JsonPropertyName(\"tool_calls\")]\n        public List<ToolCallDeltaDto>? ToolCalls { get; init; }\n    }\n\n    private sealed class ToolCallDto\n    {\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"function\")]\n        public ToolFunctionDto? Function { get; init; }\n    }\n\n    private sealed class ToolCallDeltaDto\n    {\n        [JsonPropertyName(\"index\")]\n        public int? Index { get; init; }\n\n        [JsonPropertyName(\"id\")]\n        public string? Id { get; init; }\n\n        [JsonPropertyName(\"function\")]\n        public ToolFunctionDto? Function { get; init; }\n    }\n\n    private sealed class ToolFunctionDto\n    {\n        [JsonPropertyName(\"name\")]\n        public string? Name { get; init; }\n\n        [JsonPropertyName(\"arguments\")]\n        public string? Arguments { get; init; }\n    }\n\n    private sealed class UsageDto\n    {\n        [JsonPropertyName(\"prompt_tokens\")]\n        public int? PromptTokens { get; init; }\n\n        [JsonPropertyName(\"completion_tokens\")]\n        public int? CompletionTokens { get; init; }\n\n        [JsonPropertyName(\"total_tokens\")]\n        public int? TotalTokens { get; init; }\n\n        [JsonPropertyName(\"prompt_tokens_details\")]\n        public PromptTokensDetailsDto? PromptTokensDetails { get; init; }\n\n        [JsonPropertyName(\"completion_tokens_details\")]\n        public CompletionTokensDetailsDto? CompletionTokensDetails { get; init; }\n    }\n\n    private sealed class PromptTokensDetailsDto\n    {\n        [JsonPropertyName(\"cached_tokens\")]\n        public int? CachedTokens { get; init; }\n    }\n\n    private sealed class CompletionTokensDetailsDto\n    {\n        [JsonPropertyName(\"reasoning_tokens\")]\n        public int? ReasoningTokens { get; init; }\n    }\n}\n"}}, "src/OpenDeepWiki/Services/Admin/AdminToolsService.cs": {"6eb5222d25487362fcd411891fad9027f7840f96": {"t": 1785746196.4260066, "n": 49984, "h": "9cd5954fab8fa4b9", "c": "using System.IO.Compression;\nusing System.Net.Http.Headers;\nusing System.Text;\nusing System.Text.Json;\nusing System.Text.Json.Nodes;\nusing System.Text.RegularExpressions;\nusing System.Diagnostics;\nusing Microsoft.EntityFrameworkCore;\nusing OpenDeepWiki.EFCore;\nusing OpenDeepWiki.Entities;\nusing OpenDeepWiki.Entities.Tools;\nusing OpenDeepWiki.Models.Admin;\nusing OpenDeepWiki.Services.AI;\nusing OpenDeepWiki.Agents;\nusing YamlDotNet.Serialization;\nusing YamlDotNet.Serialization.NamingConventions;\nusing System.Globalization;\n\nnamespace OpenDeepWiki.Services.Admin;\n\npublic class AdminToolsService : IAdminToolsService\n{\n    private readonly IContext _context;\n    private readonly ILogger<AdminToolsService> _logger;\n    private readonly IHttpClientFactory _httpClientFactory;\n    private readonly string _skillsBasePath;\n\n    public AdminToolsService(\n        IContext context,\n        ILogger<AdminToolsService> logger,\n        IConfiguration configuration,\n        IHttpClientFactory httpClientFactory)\n    {\n        _context = context;\n        _logger = logger;\n        _httpClientFactory = httpClientFactory;\n        _skillsBasePath = configuration[\"Skills:BasePath\"] ?? Path.Combine(AppContext.BaseDirectory, \"skills\");\n        if (!Directory.Exists(_skillsBasePath)) Directory.CreateDirectory(_skillsBasePath);\n    }\n\n    public async Task<List<McpConfigDto>> GetMcpConfigsAsync()\n    {\n        return await _context.McpConfigs.Where(m => !m.IsDeleted).OrderBy(m => m.SortOrder)\n            .Select(m => new McpConfigDto\n            {\n                Id = m.Id, Name = m.Name, Description = m.Description, ServerUrl = m.ServerUrl,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsActive = m.IsActive,\n                SortOrder = m.SortOrder, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<McpConfigDto> CreateMcpConfigAsync(McpConfigRequest request)\n    {\n        var config = new McpConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Description = request.Description,\n            ServerUrl = request.ServerUrl, ApiKey = request.ApiKey, IsActive = request.IsActive,\n            SortOrder = request.SortOrder, CreatedAt = DateTime.UtcNow\n        };\n        _context.McpConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new McpConfigDto\n        {\n            Id = config.Id, Name = config.Name, Description = config.Description,\n            ServerUrl = config.ServerUrl, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsActive = config.IsActive, SortOrder = config.SortOrder, CreatedAt = config.CreatedAt\n        };\n    }\n\n\n    public async Task<bool> UpdateMcpConfigAsync(string id, McpConfigRequest request)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Description = request.Description;\n        config.ServerUrl = request.ServerUrl;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsActive = request.IsActive; config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteMcpConfigAsync(string id)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<SkillConfigDto>> GetSkillConfigsAsync()\n    {\n        var skills = await _context.SkillConfigs\n            .Where(s => !s.IsDeleted)\n            .OrderBy(s => s.SortOrder)\n            .ThenBy(s => s.Name)\n            .ToListAsync();\n\n        var result = new List<SkillConfigDto>(skills.Count);\n        foreach (var skill in skills)\n        {\n            var dto = MapSkillConfig(skill);\n            dto.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n            result.Add(dto);\n        }\n\n        return result;\n    }\n\n    public async Task<SkillDetailDto?> GetSkillDetailAsync(string id)\n    {\n        var skill = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (skill == null) return null;\n        var skillPath = Path.Combine(_skillsBasePath, skill.FolderPath);\n        var detail = new SkillDetailDto(MapSkillConfig(skill));\n        detail.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n        var skillMdPath = Path.Combine(skillPath, \"SKILL.md\");\n        if (File.Exists(skillMdPath)) detail.SkillMdContent = await File.ReadAllTextAsync(skillMdPath);\n        detail.Scripts = ListDirectoryFiles(Path.Combine(skillPath, \"scripts\"));\n        detail.References = ListDirectoryFiles(Path.Combine(skillPath, \"references\"));\n        detail.Assets = ListDirectoryFiles(Path.Combine(skillPath, \"assets\"));\n        return detail;\n    }\n\n    private SkillConfigDto MapSkillConfig(SkillConfig skill)\n    {\n        return new SkillConfigDto\n        {\n            Id = skill.Id,\n            Name = skill.Name,\n            Description = skill.Description,\n            License = skill.License,\n            Compatibility = skill.Compatibility,\n            AllowedTools = skill.AllowedTools,\n            FolderPath = skill.FolderPath,\n            IsActive = skill.IsActive,\n            SortOrder = skill.SortOrder,\n            Author = skill.Author,\n            Version = skill.Version,\n            Source = skill.Source.ToString().ToLower(),\n            SourceUrl = skill.SourceUrl,\n            HasScripts = skill.HasScripts,\n            HasReferences = skill.HasReferences,\n            HasAssets = skill.HasAssets,\n            SkillMdSize = skill.SkillMdSize,\n            TotalSize = skill.TotalSize,\n            CreatedAt = skill.CreatedAt\n        };\n    }\n\n    private async Task<Dictionary<string, object?>> LoadSkillFrontmatterAsync(SkillConfig skill)\n    {\n        try\n        {\n            var skillMdPath = Path.Combine(_skillsBasePath, skill.FolderPath, \"SKILL.md\");\n            if (!File.Exists(skillMdPath))\n            {\n                return new Dictionary<string, object?>();\n            }\n\n            var content = await File.ReadAllTextAsync(skillMdPath);\n            var (frontmatter, _) = ParseSkillMd(content);\n            return frontmatter;\n        }\n        catch (Exception ex)\n        {\n            _logger.LogWarning(ex, \"Failed to load SKILL.md frontmatter for {Skill}\", skill.Name);\n            return new Dictionary<string, object?>();\n        }\n    }\n\n\n    public async Task<SkillConfigDto> UploadSkillAsync(Stream zipStream, string fileName)\n    {\n        var tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());\n        Directory.CreateDirectory(tempDir);\n        try\n        {\n            using (var archive = new ZipArchive(zipStream, ZipArchiveMode.Read))\n                archive.ExtractToDirectory(tempDir);\n            var skillMdPath = FindSkillMd(tempDir) ?? throw new InvalidOperationException(\"压缩包中未找到 SKILL.md\");\n            var skillRootDir = Path.GetDirectoryName(skillMdPath)!;\n            var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n            if (!frontmatter.TryGetValue(\"name\", out var nameObj) || string.IsNullOrEmpty(nameObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 name 字段\");\n            var name = nameObj.ToString()!;\n            if (!Regex.IsMatch(name, @\"^[a-z0-9]+(-[a-z0-9]+)*$\"))\n                throw new InvalidOperationException(\"name 格式无效\");\n            if (!frontmatter.TryGetValue(\"description\", out var descObj) || string.IsNullOrEmpty(descObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 description 字段\");\n            if (await _context.SkillConfigs.AnyAsync(s => s.Name == name && !s.IsDeleted))\n                throw new InvalidOperationException($\"已存在同名 Skill: {name}\");\n            var targetPath = Path.Combine(_skillsBasePath, name);\n            if (Directory.Exists(targetPath)) Directory.Delete(targetPath, true);\n            Directory.Move(skillRootDir, targetPath);\n            var config = new SkillConfig\n            {\n                Id = Guid.NewGuid().ToString(), Name = name, Description = descObj.ToString()!,\n                License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                FolderPath = name, IsActive = true, SortOrder = 0, Version = \"1.0.0\", Source = SkillSource.Local,\n                HasScripts = Directory.Exists(Path.Combine(targetPath, \"scripts\")),\n                HasReferences = Directory.Exists(Path.Combine(targetPath, \"references\")),\n                HasAssets = Directory.Exists(Path.Combine(targetPath, \"assets\")),\n                SkillMdSize = new FileInfo(Path.Combine(targetPath, \"SKILL.md\")).Length,\n                TotalSize = CalculateDirectorySize(targetPath), CreatedAt = DateTime.UtcNow\n            };\n            if (frontmatter.TryGetValue(\"metadata\", out var meta) && meta is Dictionary<object, object> metaDict)\n            {\n                if (metaDict.TryGetValue(\"author\", out var a)) config.Author = a?.ToString();\n                if (metaDict.TryGetValue(\"version\", out var v)) config.Version = v?.ToString() ?? \"1.0.0\";\n            }\n            _context.SkillConfigs.Add(config);\n            await _context.SaveChangesAsync();\n            _logger.LogInformation(\"上传 Skill: {Name}\", name);\n            return new SkillConfigDto\n            {\n                Id = config.Id, Name = config.Name, Description = config.Description, License = config.License,\n                Compatibility = config.Compatibility, AllowedTools = config.AllowedTools, FolderPath = config.FolderPath,\n                IsActive = config.IsActive, SortOrder = config.SortOrder, Author = config.Author, Version = config.Version,\n                Source = config.Source.ToString().ToLower(), HasScripts = config.HasScripts,\n                HasReferences = config.HasReferences, HasAssets = config.HasAssets,\n                SkillMdSize = config.SkillMdSize, TotalSize = config.TotalSize, CreatedAt = config.CreatedAt\n            };\n        }\n        finally { if (Directory.Exists(tempDir)) try { Directory.Delete(tempDir, true); } catch { } }\n    }\n\n    public async Task<bool> UpdateSkillAsync(string id, SkillUpdateRequest request)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        if (request.IsActive.HasValue) config.IsActive = request.IsActive.Value;\n        if (request.SortOrder.HasValue) config.SortOrder = request.SortOrder.Value;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteSkillAsync(string id)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        var skillPath = Path.Combine(_skillsBasePath, config.FolderPath);\n        if (Directory.Exists(skillPath)) Directory.Delete(skillPath, true);\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        _logger.LogInformation(\"删除 Skill: {Name}\", config.Name);\n        return true;\n    }\n\n    public async Task<string?> GetSkillFileContentAsync(string id, string filePath)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return null;\n        var normalizedPath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath, filePath));\n        var skillBasePath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath));\n        if (!normalizedPath.StartsWith(skillBasePath)) throw new UnauthorizedAccessException(\"非法路径\");\n        return File.Exists(normalizedPath) ? await File.ReadAllTextAsync(normalizedPath) : null;\n    }\n\n\n    public async Task RefreshSkillsFromDiskAsync()\n    {\n        if (!Directory.Exists(_skillsBasePath)) return;\n        var existingNames = (await _context.SkillConfigs.Where(s => !s.IsDeleted).ToListAsync()).Select(s => s.Name).ToHashSet();\n        foreach (var dir in Directory.GetDirectories(_skillsBasePath))\n        {\n            var skillMdPath = Path.Combine(dir, \"SKILL.md\");\n            if (!File.Exists(skillMdPath)) continue;\n            var folderName = Path.GetFileName(dir);\n            if (existingNames.Contains(folderName)) continue;\n            try\n            {\n                var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n                if (!frontmatter.TryGetValue(\"name\", out var nameObj)) continue;\n                var name = nameObj?.ToString();\n                if (string.IsNullOrEmpty(name) || name != folderName) continue;\n                if (!frontmatter.TryGetValue(\"description\", out var descObj)) continue;\n                var config = new SkillConfig\n                {\n                    Id = Guid.NewGuid().ToString(), Name = name, Description = descObj?.ToString() ?? \"\",\n                    License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                    Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                    AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                    FolderPath = folderName, IsActive = true,\n                    HasScripts = Directory.Exists(Path.Combine(dir, \"scripts\")),\n                    HasReferences = Directory.Exists(Path.Combine(dir, \"references\")),\n                    HasAssets = Directory.Exists(Path.Combine(dir, \"assets\")),\n                    SkillMdSize = new FileInfo(skillMdPath).Length,\n                    TotalSize = CalculateDirectorySize(dir), CreatedAt = DateTime.UtcNow\n                };\n                _context.SkillConfigs.Add(config);\n                _logger.LogInformation(\"发现 Skill: {Name}\", name);\n            }\n            catch (Exception ex) { _logger.LogWarning(ex, \"解析失败: {Path}\", dir); }\n        }\n        await _context.SaveChangesAsync();\n    }\n\n    public async Task<List<AiProviderConfigDto>> GetAiProvidersAsync()\n    {\n        return await _context.AiProviderConfigs\n            .Where(p => !p.IsDeleted)\n            .OrderBy(p => p.SortOrder)\n            .ThenBy(p => p.Name)\n            .Select(p => new AiProviderConfigDto\n            {\n                Id = p.Id,\n                Name = p.Name,\n                DisplayName = p.DisplayName,\n                ProviderType = p.ProviderType,\n                BaseUrl = p.BaseUrl,\n                HasApiKey = !string.IsNullOrEmpty(p.ApiKey),\n                AuthType = p.AuthType,\n                IsBuiltIn = p.IsBuiltIn,\n                IsActive = p.IsActive,\n                SupportsModelDiscovery = p.SupportsModelDiscovery,\n                ModelsEndpoint = p.ModelsEndpoint,\n                DefaultModelId = p.DefaultModelId,\n                SystemProxyUrl = p.SystemProxyUrl,\n                OAuthConfigJson = p.OAuthConfigJson,\n                ChannelConfigJson = p.ChannelConfigJson,\n                AccountsJson = p.AccountsJson,\n                RequestOverridesJson = p.RequestOverridesJson,\n                IconUrl = p.IconUrl,\n                Description = p.Description,\n                SortOrder = p.SortOrder,\n                CreatedAt = p.CreatedAt\n            })\n            .ToListAsync();\n    }\n\n    public async Task<AiProviderConfigDto> CreateAiProviderAsync(AiProviderConfigRequest request)\n    {\n        var provider = new AiProviderConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            Name = request.Name,\n            DisplayName = request.DisplayName,\n            ProviderType = request.ProviderType,\n            BaseUrl = request.BaseUrl.TrimEnd('/'),\n            ApiKey = request.ApiKey,\n            AuthType = request.AuthType,\n            IsBuiltIn = request.IsBuiltIn,\n            IsActive = request.IsActive,\n            SupportsModelDiscovery = request.SupportsModelDiscovery,\n            ModelsEndpoint = request.ModelsEndpoint,\n            DefaultModelId = request.DefaultModelId,\n            SystemProxyUrl = request.SystemProxyUrl,\n            OAuthConfigJson = request.OAuthConfigJson,\n            ChannelConfigJson = request.ChannelConfigJson,\n            AccountsJson = request.AccountsJson,\n            RequestOverridesJson = request.RequestOverridesJson,\n            IconUrl = request.IconUrl,\n            Description = request.Description,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.AiProviderConfigs.Add(provider);\n        await _context.SaveChangesAsync();\n        return MapAiProvider(provider);\n    }\n\n    public async Task<bool> UpdateAiProviderAsync(string id, AiProviderConfigRequest request)\n    {\n        var provider = await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == id && !p.IsDeleted);\n        if (provider == null) return false;\n\n        provider.Name = request.Name;\n        provider.DisplayName = request.DisplayName;\n        provider.ProviderType = request.ProviderType;\n        provider.BaseUrl = request.BaseUrl.TrimEnd('/');\n        if (request.ApiKey != null) provider.ApiKey = request.ApiKey;\n        provider.AuthType = request.AuthType;\n        provider.IsBuiltIn = request.IsBuiltIn;\n        provider.IsActive = request.IsActive;\n        provider.SupportsModelDiscovery = request.SupportsModelDiscovery;\n        provider.ModelsEndpoint = request.ModelsEndpoint;\n        provider.DefaultModelId = request.DefaultModelId;\n        provider.SystemProxyUrl = request.SystemProxyUrl;\n        provider.OAuthConfigJson = request.OAuthConfigJson;\n        provider.ChannelConfigJson = request.ChannelConfigJson;\n        provider.AccountsJson = request.AccountsJson;\n        provider.RequestOverridesJson = request.RequestOverridesJson;\n        provider.IconUrl = request.IconUrl;\n        provider.Description = request.Description;\n        provider.SortOrder = request.SortOrder;\n        provider.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteAiProviderAsync(string id)\n    {\n        var provider = await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == id && !p.IsDeleted);\n        if (provider == null) return false;\n        provider.IsDeleted = true;\n        provider.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<AiModelConfigDto>> GetAiModelsAsync(string? providerId = null)\n    {\n        var query = _context.AiModelConfigs.Where(m => !m.IsDeleted);\n        if (!string.IsNullOrWhiteSpace(providerId))\n        {\n            query = query.Where(m => m.ProviderId == providerId);\n        }\n\n        var models = await query\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.SortOrder)\n            .ThenBy(m => m.Name)\n            .ToListAsync();\n\n        var providerIds = models.Select(m => m.ProviderId).Distinct().ToList();\n        var providers = providerIds.Count == 0\n            ? new Dictionary<string, string>()\n            : await _context.AiProviderConfigs\n                .Where(p => providerIds.Contains(p.Id) && !p.IsDeleted)\n                .ToDictionaryAsync(p => p.Id, p => p.DisplayName ?? p.Name);\n\n        return models.Select(m => MapAiModel(m, providers.GetValueOrDefault(m.ProviderId))).ToList();\n    }\n\n    public async Task<AiModelConfigDto> CreateAiModelAsync(AiModelConfigRequest request)\n    {\n        var model = new AiModelConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            ProviderId = request.ProviderId,\n            ModelId = request.ModelId,\n            Name = string.IsNullOrWhiteSpace(request.Name) ? request.ModelId : request.Name,\n            DisplayName = request.DisplayName,\n            ModelType = request.ModelType,\n            ProviderType = AiProviderResolver.NormalizeModelProviderType(request.ProviderType, request.ModelId),\n            ContextWindow = request.ContextWindow,\n            MaxOutputTokens = request.MaxOutputTokens,\n            InputTokenPrice = request.InputTokenPrice,\n            OutputTokenPrice = request.OutputTokenPrice,\n            CacheHitTokenPrice = request.CacheHitTokenPrice,\n            CacheCreationTokenPrice = request.CacheCreationTokenPrice,\n            SupportsThinking = request.SupportsThinking,\n            SupportsVision = request.SupportsVision,\n            SupportsTools = request.SupportsTools,\n            SupportsJsonMode = request.SupportsJsonMode,\n            IsDefault = request.IsDefault,\n            IsActive = request.IsActive,\n            CapabilitiesJson = request.CapabilitiesJson,\n            ThinkingConfigJson = request.ThinkingConfigJson,\n            RequestOverridesJson = request.RequestOverridesJson,\n            TagsJson = request.TagsJson,\n            Description = request.Description,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.AiModelConfigs.Add(model);\n        await _context.SaveChangesAsync();\n        return MapAiModel(model, null);\n    }\n\n    public async Task<bool> UpdateAiModelAsync(string id, AiModelConfigRequest request)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (model == null) return false;\n\n        model.ProviderId = request.ProviderId;\n        model.ModelId = request.ModelId;\n        model.Name = string.IsNullOrWhiteSpace(request.Name) ? request.ModelId : request.Name;\n        model.DisplayName = request.DisplayName;\n        model.ModelType = request.ModelType;\n        model.ProviderType = AiProviderResolver.NormalizeModelProviderType(request.ProviderType, request.ModelId);\n        model.ContextWindow = request.ContextWindow;\n        model.MaxOutputTokens = request.MaxOutputTokens;\n        model.InputTokenPrice = request.InputTokenPrice;\n        model.OutputTokenPrice = request.OutputTokenPrice;\n        model.CacheHitTokenPrice = request.CacheHitTokenPrice;\n        model.CacheCreationTokenPrice = request.CacheCreationTokenPrice;\n        model.SupportsThinking = request.SupportsThinking;\n        model.SupportsVision = request.SupportsVision;\n        model.SupportsTools = request.SupportsTools;\n        model.SupportsJsonMode = request.SupportsJsonMode;\n        model.IsDefault = request.IsDefault;\n        model.IsActive = request.IsActive;\n        model.CapabilitiesJson = request.CapabilitiesJson;\n        model.ThinkingConfigJson = request.ThinkingConfigJson;\n        model.RequestOverridesJson = request.RequestOverridesJson;\n        model.TagsJson = request.TagsJson;\n        model.Description = request.Description;\n        model.SortOrder = request.SortOrder;\n        model.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteAiModelAsync(string id)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (model == null) return false;\n        model.IsDeleted = true;\n        model.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<AiModelConfigDto>> DiscoverAiModelsAsync(\n        string providerId,\n        CancellationToken cancellationToken = default)\n    {\n        var provider = await _context.AiProviderConfigs\n            .FirstOrDefaultAsync(p => p.Id == providerId && !p.IsDeleted, cancellationToken);\n        if (provider == null)\n        {\n            throw new InvalidOperationException(\"AI provider does not exist.\");\n        }\n\n        var endpoint = string.IsNullOrWhiteSpace(provider.ModelsEndpoint)\n            ? $\"{provider.BaseUrl.TrimEnd('/')}/models\"\n            : provider.ModelsEndpoint;\n\n        var client = _httpClientFactory.CreateClient();\n        using var request = new HttpRequestMessage(HttpMethod.Get, endpoint);\n        if (!string.IsNullOrWhiteSpace(provider.ApiKey))\n        {\n            if (provider.ProviderType.Equals(\"Anthropic\", StringComparison.OrdinalIgnoreCase))\n            {\n                request.Headers.Add(\"x-api-key\", provider.ApiKey);\n                request.Headers.Add(\"anthropic-version\", \"2023-06-01\");\n            }\n            else\n            {\n                request.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", provider.ApiKey);\n            }\n        }\n\n        using var response = await client.SendAsync(request, cancellationToken);\n        response.EnsureSuccessStatusCode();\n        var json = await response.Content.ReadAsStringAsync(cancellationToken);\n\n        using var document = JsonDocument.Parse(json);\n        var modelElements = EnumerateModelElements(document.RootElement);\n        return modelElements\n            .Select(model => new AiModelConfigDto\n            {\n                ProviderId = provider.Id,\n                ProviderName = provider.DisplayName ?? provider.Name,\n                ModelId = model.ModelId,\n                Name = model.Name ?? model.ModelId,\n                DisplayName = model.DisplayName ?? model.Name ?? model.ModelId,\n                ModelType = \"chat\",\n                ProviderType = AiProviderResolver.NormalizeModelProviderType(null, model.ModelId) ?? provider.ProviderType,\n                InputTokenPrice = model.InputTokenPrice,\n                OutputTokenPrice = model.OutputTokenPrice,\n                CacheHitTokenPrice = model.CacheHitTokenPrice,\n                CacheCreationTokenPrice = model.CacheCreationTokenPrice,\n                SupportsTools = true,\n                IsActive = true\n            })\n            .ToList();\n    }\n\n    public async Task<AiProviderConnectivityTestResult> TestAiProviderConnectivityAsync(\n        string providerId,\n        AiProviderConnectivityTestRequest request,\n        CancellationToken cancellationToken = default)\n    {\n        var provider = await _context.AiProviderConfigs\n            .FirstOrDefaultAsync(p => p.Id == providerId && !p.IsDeleted, cancellationToken);\n        if (provider == null)\n        {\n            throw new InvalidOperationException(\"AI provider does not exist.\");\n        }\n\n        request ??= new AiProviderConnectivityTestRequest();\n        var modelId = request.ModelId?.Trim();\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            modelId = provider.DefaultModelId;\n        }\n\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            modelId = await _context.AiModelConfigs\n                .Where(m => m.ProviderId == provider.Id && m.IsActive && !m.IsDeleted)\n                .OrderByDescending(m => m.IsDefault)\n                .ThenBy(m => m.SortOrder)\n                .ThenBy(m => m.Name)\n                .Select(m => m.ModelId)\n                .FirstOrDefaultAsync(cancellationToken);\n        }\n\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            throw new InvalidOperationException(\"Please select a model before checking connectivity.\");\n        }\n\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m =>\n                m.ProviderId == provider.Id &&\n                m.ModelId == modelId &&\n                !m.IsDeleted,\n            cancellationToken);\n\n        var providerType = AiProviderResolver.ResolveEffectiveProviderType(\n            string.IsNullOrWhiteSpace(request.ProviderType) ? provider.ProviderType : request.ProviderType,\n            model?.ProviderType);\n        var baseUrl = NormalizeConnectivityBaseUrl(\n            string.IsNullOrWhiteSpace(request.BaseUrl) ? provider.BaseUrl : request.BaseUrl,\n            providerType);\n        var apiKey = request.ApiKey ?? provider.ApiKey;\n\n        using var message = CreateConnectivityRequest(\n            providerType,\n            baseUrl,\n            apiKey,\n            modelId,\n            model);\n        var client = _httpClientFactory.CreateClient();\n        using var timeout = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);\n        timeout.CancelAfter(TimeSpan.FromSeconds(30));\n        var stopwatch = Stopwatch.StartNew();\n\n        using var response = await client.SendAsync(message, timeout.Token);\n        stopwatch.Stop();\n        var content = await response.Content.ReadAsStringAsync(cancellationToken);\n\n        if (response.IsSuccessStatusCode)\n        {\n            return new AiProviderConnectivityTestResult\n            {\n                Success = true,\n                Message = $\"Connectivity check succeeded for model '{modelId}'.\",\n                ProviderType = providerType,\n                ModelId = modelId,\n                StatusCode = (int)response.StatusCode,\n                LatencyMs = stopwatch.ElapsedMilliseconds\n            };\n        }\n\n        var error = string.IsNullOrWhiteSpace(content)\n            ? response.ReasonPhrase\n            : content.Trim();\n        if (error is { Length: > 600 })\n        {\n            error = error[..600];\n        }\n\n        return new AiProviderConnectivityTestResult\n        {\n            Success = false,\n            Message = $\"Connectivity check failed with HTTP {(int)response.StatusCode}: {error}\",\n            ProviderType = providerType,\n            ModelId = modelId,\n            StatusCode = (int)response.StatusCode,\n            LatencyMs = stopwatch.ElapsedMilliseconds\n        };\n    }\n\n    public async Task<List<ModelConfigDto>> GetModelConfigsAsync()\n    {\n        var configs = await _context.ModelConfigs\n            .Where(m => !m.IsDeleted)\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.Name)\n            .ToListAsync();\n\n        var providerIds = configs\n            .Where(m => !string.IsNullOrEmpty(m.AiProviderId))\n            .Select(m => m.AiProviderId!)\n            .Distinct()\n            .ToList();\n\n        var providers = providerIds.Count == 0\n            ? new Dictionary<string, AiProviderConfig>()\n            : await _context.AiProviderConfigs\n                .Where(p => providerIds.Contains(p.Id) && !p.IsDeleted)\n                .ToDictionaryAsync(p => p.Id);\n\n        var aiModels = providerIds.Count == 0\n            ? new Dictionary<string, AiModelConfig>(StringComparer.OrdinalIgnoreCase)\n            : await _context.AiModelConfigs\n                .Where(m => !m.IsDeleted && providerIds.Contains(m.ProviderId))\n                .ToDictionaryAsync(\n                    m => CreateModelBindingKey(m.ProviderId, m.ModelId),\n                    StringComparer.OrdinalIgnoreCase);\n\n        return configs.Select(m =>\n        {\n            providers.TryGetValue(m.AiProviderId ?? string.Empty, out var provider);\n            aiModels.TryGetValue(\n                CreateModelBindingKey(m.AiProviderId ?? string.Empty, m.ModelId),\n                out var aiModel);\n            var providerType = AiProviderResolver.ResolveEffectiveProviderType(\n                provider?.ProviderType ?? m.Provider,\n                aiModel?.ProviderType);\n            return new ModelConfigDto\n            {\n                Id = m.Id,\n                Name = m.Name,\n                AiProviderId = m.AiProviderId,\n                AiProviderName = provider?.DisplayName ?? provider?.Name,\n                Provider = providerType,\n                ModelId = m.ModelId,\n                Endpoint = null,\n                HasApiKey = provider != null && !string.IsNullOrEmpty(provider.ApiKey),\n                IsDefault = m.IsDefault,\n                IsActive = m.IsActive,\n                Description = m.Description,\n                CreatedAt = m.CreatedAt\n            };\n        }).ToList();\n    }\n\n    public async Task<ModelConfigDto> CreateModelConfigAsync(ModelConfigRequest request)\n    {\n        var provider = !string.IsNullOrWhiteSpace(request.AiProviderId)\n            ? await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == request.AiProviderId && !p.IsDeleted)\n            : null;\n        var providerType = provider == null\n            ? AiProviderResolver.ResolveEffectiveProviderType(request.Provider, null)\n            : await ResolveModelProviderTypeAsync(provider, request.ModelId);\n\n        var config = new ModelConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Provider = providerType,\n            AiProviderId = request.AiProviderId, ModelId = request.ModelId, Endpoint = null, ApiKey = null,\n            IsDefault = request.IsDefault, IsActive = request.IsActive, Description = request.Description,\n            CreatedAt = DateTime.UtcNow\n        };\n        _context.ModelConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new ModelConfigDto\n        {\n            Id = config.Id, Name = config.Name, AiProviderId = config.AiProviderId,\n            AiProviderName = provider?.DisplayName ?? provider?.Name, Provider = providerType,\n            ModelId = config.ModelId, Endpoint = null, HasApiKey = provider != null && !string.IsNullOrEmpty(provider.ApiKey),\n            IsDefault = config.IsDefault, IsActive = config.IsActive, Description = config.Description,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateModelConfigAsync(string id, ModelConfigRequest request)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        var provider = !string.IsNullOrWhiteSpace(request.AiProviderId)\n            ? await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == request.AiProviderId && !p.IsDeleted)\n            : null;\n        var providerType = provider == null\n            ? AiProviderResolver.ResolveEffectiveProviderType(request.Provider, null)\n            : await ResolveModelProviderTypeAsync(provider, request.ModelId);\n        config.Name = request.Name; config.Provider = providerType; config.ModelId = request.ModelId;\n        config.AiProviderId = request.AiProviderId;\n        config.Endpoint = null;\n        config.ApiKey = null;\n        config.IsDefault = request.IsDefault; config.IsActive = request.IsActive;\n        config.Description = request.Description; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteModelConfigAsync(string id)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    private async Task<string> ResolveModelProviderTypeAsync(AiProviderConfig provider, string modelId)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m =>\n            m.ProviderId == provider.Id &&\n            m.ModelId == modelId &&\n            !m.IsDeleted);\n\n        return AiProviderResolver.ResolveEffectiveProviderType(\n            provider.ProviderType,\n            model?.ProviderType);\n    }\n\n    private static HttpRequestMessage CreateConnectivityRequest(\n        string providerType,\n        string baseUrl,\n        string? apiKey,\n        string modelId,\n        AiModelConfig? model)\n    {\n        var requestType = AiProviderResolver.ParseRequestType(providerType);\n        return requestType switch\n        {\n            AiRequestType.OpenAIResponses => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"responses\", \"responses\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    input = \"ping\",\n                    max_output_tokens = 1,\n                    stream = false\n                }),\n            AiRequestType.Anthropic => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"v1/messages\", \"messages\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    max_tokens = 1,\n                    messages = new[]\n                    {\n                        new { role = \"user\", content = \"ping\" }\n                    }\n                },\n                configure: message =>\n                {\n                    if (!string.IsNullOrWhiteSpace(apiKey))\n                    {\n                        message.Headers.Remove(\"Authorization\");\n                        message.Headers.Add(\"x-api-key\", apiKey);\n                    }\n\n                    message.Headers.Add(\"anthropic-version\", \"2023-06-01\");\n                }),\n            AiRequestType.DeepSeekOpenAI => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"chat/completions\", \"chat/completions\"),\n                apiKey,\n                CreateDeepSeekConnectivityBody(modelId, model)),\n            AiRequestType.AzureOpenAI => CreateAzureOpenAIConnectivityRequest(baseUrl, apiKey, modelId),\n            _ => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"chat/completions\", \"chat/completions\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    max_tokens = 1,\n                    stream = false,\n                    messages = new[]\n                    {\n                        new { role = \"user\", content = \"ping\" }\n                    }\n                })\n        };\n    }\n\n    private static JsonObject CreateDeepSeekConnectivityBody(string modelId, AiModelConfig? model)\n    {\n        var body = new JsonObject\n        {\n            [\"model\"] = modelId,\n            [\"max_tokens\"] = 1,\n            [\"stream\"] = false,\n            [\"messages\"] = new JsonArray\n            {\n                new JsonObject\n                {\n                    [\"role\"] = \"user\",\n                    [\"content\"] = \"ping\"\n                }\n            }\n        };\n\n        if (model?.SupportsThinking == true &&\n            !string.IsNullOrWhiteSpace(model.ThinkingConfigJson))\n        {\n            try\n            {\n                if (JsonNode.Parse(model.ThinkingConfigJson) is JsonObject config &&\n                    config[\"bodyParams\"] is JsonObject bodyParams)\n                {\n                    foreach (var pair in bodyParams)\n                    {\n                        body[pair.Key] = pair.Value?.DeepClone();\n                    }\n                }\n            }\n            catch (JsonException)\n            {\n                // Connectivity checks should still verify the base protocol if model metadata is malformed.\n            }\n        }\n\n        return body;\n    }\n\n    private static HttpRequestMessage CreateAzureOpenAIConnectivityRequest(\n        string baseUrl,\n        string? apiKey,\n        string modelId)\n    {\n        var endpoint = baseUrl.Contains(\"/chat/completions\", StringComparison.OrdinalIgnoreCase)\n            ? baseUrl\n            : $\"{baseUrl.TrimEnd('/')}/openai/deployments/{Uri.EscapeDataString(modelId)}/chat/completions?api-version=2024-10-21\";\n        return CreateJsonRequest(\n            HttpMethod.Post,\n            endpoint,\n            apiKey,\n            new\n            {\n                max_tokens = 1,\n                stream = false,\n                messages = new[]\n                {\n                    new { role = \"user\", content = \"ping\" }\n                }\n            },\n            message =>\n            {\n                message.Headers.Remove(\"Authorization\");\n                if (!string.IsNullOrWhiteSpace(apiKey))\n                {\n                    message.Headers.Add(\"api-key\", apiKey);\n                }\n            });\n    }\n\n    private static HttpRequestMessage CreateJsonRequest(\n        HttpMethod method,\n        string endpoint,\n        string? apiKey,\n        object body,\n        Action<HttpRequestMessage>? configure = null)\n    {\n        var message = new HttpRequestMessage(method, endpoint)\n        {\n            Content = new StringContent(\n                JsonSerializer.Serialize(body),\n                Encoding.UTF8,\n                \"application/json\")\n        };\n\n        if (!string.IsNullOrWhiteSpace(apiKey))\n        {\n            message.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", apiKey);\n        }\n\n        configure?.Invoke(message);\n        return message;\n    }\n\n    private static string NormalizeConnectivityBaseUrl(string? baseUrl, string providerType)\n    {\n        if (!string.IsNullOrWhiteSpace(baseUrl))\n        {\n            var normalized = baseUrl.Trim().TrimEnd('/');\n            return AiProviderResolver.NormalizeProviderType(providerType).Equals(\"Anthropic\", StringComparison.OrdinalIgnoreCase) &&\n                   normalized.EndsWith(\"/v1\", StringComparison.OrdinalIgnoreCase)\n                ? normalized[..^3]\n                : normalized;\n        }\n\n        return AiProviderResolver.NormalizeProviderType(providerType) switch\n        {\n            \"Anthropic\" => \"https://api.anthropic.com\",\n            \"DeepSeekOpenAI\" => \"https://api.deepseek.com/v1\",\n            _ => \"https://api.openai.com/v1\"\n        };\n    }\n\n    private static string AppendEndpointPath(string baseUrl, string path, string terminalPath)\n    {\n        var trimmed = baseUrl.TrimEnd('/');\n        if (trimmed.EndsWith($\"/{terminalPath}\", StringComparison.OrdinalIgnoreCase))\n        {\n            return trimmed;\n        }\n\n        return $\"{trimmed}/{path.TrimStart('/')}\";\n    }\n\n    private static string CreateModelBindingKey(string providerId, string modelId)\n    {\n        return $\"{providerId}:{modelId}\";\n    }\n\n    private static AiProviderConfigDto MapAiProvider(AiProviderConfig provider)\n    {\n        return new AiProviderConfigDto\n        {\n            Id = provider.Id,\n            Name = provider.Name,\n            DisplayName = provider.DisplayName,\n            ProviderType = provider.ProviderType,\n            BaseUrl = provider.BaseUrl,\n            HasApiKey = !string.IsNullOrEmpty(provider.ApiKey),\n            AuthType = provider.AuthType,\n            IsBuiltIn = provider.IsBuiltIn,\n            IsActive = provider.IsActive,\n            SupportsModelDiscovery = provider.SupportsModelDiscovery,\n            ModelsEndpoint = provider.ModelsEndpoint,\n            DefaultModelId = provider.DefaultModelId,\n            SystemProxyUrl = provider.SystemProxyUrl,\n            OAuthConfigJson = provider.OAuthConfigJson,\n            ChannelConfigJson = provider.ChannelConfigJson,\n            AccountsJson = provider.AccountsJson,\n            RequestOverridesJson = provider.RequestOverridesJson,\n            IconUrl = provider.IconUrl,\n            Description = provider.Description,\n            SortOrder = provider.SortOrder,\n            CreatedAt = provider.CreatedAt\n        };\n    }\n\n    private static AiModelConfigDto MapAiModel(AiModelConfig model, string? providerName)\n    {\n        return new AiModelConfigDto\n        {\n            Id = model.Id,\n            ProviderId = model.ProviderId,\n            ProviderName = providerName,\n            ModelId = model.ModelId,\n            Name = model.Name,\n            DisplayName = model.DisplayName,\n            ModelType = model.ModelType,\n            ProviderType = model.ProviderType,\n            ContextWindow = model.ContextWindow,\n            MaxOutputTokens = model.MaxOutputTokens,\n            InputTokenPrice = model.InputTokenPrice,\n            OutputTokenPrice = model.OutputTokenPrice,\n            CacheHitTokenPrice = model.CacheHitTokenPrice,\n            CacheCreationTokenPrice = model.CacheCreationTokenPrice,\n            SupportsThinking = model.SupportsThinking,\n            SupportsVision = model.SupportsVision,\n            SupportsTools = model.SupportsTools,\n            SupportsJsonMode = model.SupportsJsonMode,\n            IsDefault = model.IsDefault,\n            IsActive = model.IsActive,\n            CapabilitiesJson = model.CapabilitiesJson,\n            ThinkingConfigJson = model.ThinkingConfigJson,\n            RequestOverridesJson = model.RequestOverridesJson,\n            TagsJson = model.TagsJson,\n            Description = model.Description,\n            SortOrder = model.SortOrder,\n            CreatedAt = model.CreatedAt\n        };\n    }\n\n    private static IReadOnlyList<DiscoveredAiModel> EnumerateModelElements(JsonElement root)\n    {\n        var source = root;\n        if (root.ValueKind == JsonValueKind.Object &&\n            root.TryGetProperty(\"data\", out var data) &&\n            data.ValueKind == JsonValueKind.Array)\n        {\n            source = data;\n        }\n\n        if (source.ValueKind != JsonValueKind.Array)\n        {\n            return [];\n        }\n\n        var models = new List<DiscoveredAiModel>();\n        var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);\n\n        foreach (var item in source.EnumerateArray())\n        {\n            var model = ParseDiscoveredAiModel(item);\n            if (model == null || !seen.Add(model.ModelId))\n            {\n                continue;\n            }\n\n            models.Add(model);\n        }\n\n        return models;\n    }\n\n    private static DiscoveredAiModel? ParseDiscoveredAiModel(JsonElement item)\n    {\n        if (item.ValueKind == JsonValueKind.String)\n        {\n            var stringModelId = item.GetString();\n            return string.IsNullOrWhiteSpace(stringModelId)\n                ? null\n                : new DiscoveredAiModel(stringModelId, null, null, null, null, null, null);\n        }\n\n        if (item.ValueKind != JsonValueKind.Object)\n        {\n            return null;\n        }\n\n        var modelId = ReadOptionalString(item, \"id\");\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            return null;\n        }\n\n        return new DiscoveredAiModel(\n            modelId,\n            ReadOptionalString(item, \"name\"),\n            ReadOptionalString(item, \"displayName\"),\n            ReadOptionalDecimal(item, \"inputPrice\") ?? ReadOptionalDecimal(item, \"promptPrice\"),\n            ReadOptionalDecimal(item, \"outputPrice\") ?? ReadOptionalDecimal(item, \"completionPrice\"),\n            ReadOptionalDecimal(item, \"cacheHitPrice\"),\n            ReadOptionalDecimal(item, \"cacheCreationPrice\"));\n    }\n\n    private static string? ReadOptionalString(JsonElement item, string propertyName)\n    {\n        return item.TryGetProperty(propertyName, out var value) && value.ValueKind == JsonValueKind.String\n            ? value.GetString()\n            : null;\n    }\n\n    private static decimal? ReadOptionalDecimal(JsonElement item, string propertyName)\n    {\n        if (!item.TryGetProperty(propertyName, out var value))\n        {\n            return null;\n        }\n\n        return value.ValueKind switch\n        {\n            JsonValueKind.Number when value.TryGetDecimal(out var decimalValue) => decimalValue,\n            JsonValueKind.String when decimal.TryParse(\n                value.GetString(),\n                NumberStyles.Number,\n                CultureInfo.InvariantCulture,\n                out var stringValue) => stringValue,\n            _ => null\n        };\n    }\n\n    private sealed record DiscoveredAiModel(\n        string ModelId,\n        string? Name,\n        string? DisplayName,\n        decimal? InputTokenPrice,\n        decimal? OutputTokenPrice,\n        decimal? CacheHitTokenPrice,\n        decimal? CacheCreationTokenPrice);\n\n    private static string? FindSkillMd(string directory)\n    {\n        var skillMd = Path.Combine(directory, \"SKILL.md\");\n        if (File.Exists(skillMd)) return skillMd;\n        foreach (var subDir in Directory.GetDirectories(directory))\n        {\n            skillMd = Path.Combine(subDir, \"SKILL.md\");\n            if (File.Exists(skillMd)) return skillMd;\n        }\n        return null;\n    }\n\n    private static (Dictionary<string, object?> frontmatter, string body) ParseSkillMd(string content)\n    {\n        var frontmatter = new Dictionary<string, object?>();\n        var body = content;\n        if (content.StartsWith(\"---\"))\n        {\n            var endIndex = content.IndexOf(\"---\", 3);\n            if (endIndex > 0)\n            {\n                var yamlContent = content[3..endIndex].Trim();\n                body = content[(endIndex + 3)..].Trim();\n                try\n                {\n                    var deserializer = new DeserializerBuilder().WithNamingConvention(HyphenatedNamingConvention.Instance).Build();\n                    frontmatter = deserializer.Deserialize<Dictionary<string, object?>>(yamlContent) ?? new();\n                }\n                catch { }\n            }\n        }\n        return (frontmatter, body);\n    }\n\n    private static List<SkillFileInfo> ListDirectoryFiles(string directory)\n    {\n        var files = new List<SkillFileInfo>();\n        if (!Directory.Exists(directory)) return files;\n        foreach (var file in Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories))\n        {\n            var info = new FileInfo(file);\n            files.Add(new SkillFileInfo { FileName = info.Name, RelativePath = Path.GetRelativePath(directory, file), Size = info.Length, LastModified = info.LastWriteTimeUtc });\n        }\n        return files;\n    }\n\n    private static long CalculateDirectorySize(string directory) =>\n        !Directory.Exists(directory) ? 0 : Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories).Sum(f => new FileInfo(f).Length);\n}\n"}, "1f5050c03db13081755e60b2ea722654fb95b84c": {"t": 1785760374.55905, "n": 49984, "h": "9cd5954fab8fa4b9", "c": "using System.IO.Compression;\nusing System.Net.Http.Headers;\nusing System.Text;\nusing System.Text.Json;\nusing System.Text.Json.Nodes;\nusing System.Text.RegularExpressions;\nusing System.Diagnostics;\nusing Microsoft.EntityFrameworkCore;\nusing OpenDeepWiki.EFCore;\nusing OpenDeepWiki.Entities;\nusing OpenDeepWiki.Entities.Tools;\nusing OpenDeepWiki.Models.Admin;\nusing OpenDeepWiki.Services.AI;\nusing OpenDeepWiki.Agents;\nusing YamlDotNet.Serialization;\nusing YamlDotNet.Serialization.NamingConventions;\nusing System.Globalization;\n\nnamespace OpenDeepWiki.Services.Admin;\n\npublic class AdminToolsService : IAdminToolsService\n{\n    private readonly IContext _context;\n    private readonly ILogger<AdminToolsService> _logger;\n    private readonly IHttpClientFactory _httpClientFactory;\n    private readonly string _skillsBasePath;\n\n    public AdminToolsService(\n        IContext context,\n        ILogger<AdminToolsService> logger,\n        IConfiguration configuration,\n        IHttpClientFactory httpClientFactory)\n    {\n        _context = context;\n        _logger = logger;\n        _httpClientFactory = httpClientFactory;\n        _skillsBasePath = configuration[\"Skills:BasePath\"] ?? Path.Combine(AppContext.BaseDirectory, \"skills\");\n        if (!Directory.Exists(_skillsBasePath)) Directory.CreateDirectory(_skillsBasePath);\n    }\n\n    public async Task<List<McpConfigDto>> GetMcpConfigsAsync()\n    {\n        return await _context.McpConfigs.Where(m => !m.IsDeleted).OrderBy(m => m.SortOrder)\n            .Select(m => new McpConfigDto\n            {\n                Id = m.Id, Name = m.Name, Description = m.Description, ServerUrl = m.ServerUrl,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsActive = m.IsActive,\n                SortOrder = m.SortOrder, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<McpConfigDto> CreateMcpConfigAsync(McpConfigRequest request)\n    {\n        var config = new McpConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Description = request.Description,\n            ServerUrl = request.ServerUrl, ApiKey = request.ApiKey, IsActive = request.IsActive,\n            SortOrder = request.SortOrder, CreatedAt = DateTime.UtcNow\n        };\n        _context.McpConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new McpConfigDto\n        {\n            Id = config.Id, Name = config.Name, Description = config.Description,\n            ServerUrl = config.ServerUrl, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsActive = config.IsActive, SortOrder = config.SortOrder, CreatedAt = config.CreatedAt\n        };\n    }\n\n\n    public async Task<bool> UpdateMcpConfigAsync(string id, McpConfigRequest request)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Description = request.Description;\n        config.ServerUrl = request.ServerUrl;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsActive = request.IsActive; config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteMcpConfigAsync(string id)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<SkillConfigDto>> GetSkillConfigsAsync()\n    {\n        var skills = await _context.SkillConfigs\n            .Where(s => !s.IsDeleted)\n            .OrderBy(s => s.SortOrder)\n            .ThenBy(s => s.Name)\n            .ToListAsync();\n\n        var result = new List<SkillConfigDto>(skills.Count);\n        foreach (var skill in skills)\n        {\n            var dto = MapSkillConfig(skill);\n            dto.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n            result.Add(dto);\n        }\n\n        return result;\n    }\n\n    public async Task<SkillDetailDto?> GetSkillDetailAsync(string id)\n    {\n        var skill = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (skill == null) return null;\n        var skillPath = Path.Combine(_skillsBasePath, skill.FolderPath);\n        var detail = new SkillDetailDto(MapSkillConfig(skill));\n        detail.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n        var skillMdPath = Path.Combine(skillPath, \"SKILL.md\");\n        if (File.Exists(skillMdPath)) detail.SkillMdContent = await File.ReadAllTextAsync(skillMdPath);\n        detail.Scripts = ListDirectoryFiles(Path.Combine(skillPath, \"scripts\"));\n        detail.References = ListDirectoryFiles(Path.Combine(skillPath, \"references\"));\n        detail.Assets = ListDirectoryFiles(Path.Combine(skillPath, \"assets\"));\n        return detail;\n    }\n\n    private SkillConfigDto MapSkillConfig(SkillConfig skill)\n    {\n        return new SkillConfigDto\n        {\n            Id = skill.Id,\n            Name = skill.Name,\n            Description = skill.Description,\n            License = skill.License,\n            Compatibility = skill.Compatibility,\n            AllowedTools = skill.AllowedTools,\n            FolderPath = skill.FolderPath,\n            IsActive = skill.IsActive,\n            SortOrder = skill.SortOrder,\n            Author = skill.Author,\n            Version = skill.Version,\n            Source = skill.Source.ToString().ToLower(),\n            SourceUrl = skill.SourceUrl,\n            HasScripts = skill.HasScripts,\n            HasReferences = skill.HasReferences,\n            HasAssets = skill.HasAssets,\n            SkillMdSize = skill.SkillMdSize,\n            TotalSize = skill.TotalSize,\n            CreatedAt = skill.CreatedAt\n        };\n    }\n\n    private async Task<Dictionary<string, object?>> LoadSkillFrontmatterAsync(SkillConfig skill)\n    {\n        try\n        {\n            var skillMdPath = Path.Combine(_skillsBasePath, skill.FolderPath, \"SKILL.md\");\n            if (!File.Exists(skillMdPath))\n            {\n                return new Dictionary<string, object?>();\n            }\n\n            var content = await File.ReadAllTextAsync(skillMdPath);\n            var (frontmatter, _) = ParseSkillMd(content);\n            return frontmatter;\n        }\n        catch (Exception ex)\n        {\n            _logger.LogWarning(ex, \"Failed to load SKILL.md frontmatter for {Skill}\", skill.Name);\n            return new Dictionary<string, object?>();\n        }\n    }\n\n\n    public async Task<SkillConfigDto> UploadSkillAsync(Stream zipStream, string fileName)\n    {\n        var tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());\n        Directory.CreateDirectory(tempDir);\n        try\n        {\n            using (var archive = new ZipArchive(zipStream, ZipArchiveMode.Read))\n                archive.ExtractToDirectory(tempDir);\n            var skillMdPath = FindSkillMd(tempDir) ?? throw new InvalidOperationException(\"压缩包中未找到 SKILL.md\");\n            var skillRootDir = Path.GetDirectoryName(skillMdPath)!;\n            var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n            if (!frontmatter.TryGetValue(\"name\", out var nameObj) || string.IsNullOrEmpty(nameObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 name 字段\");\n            var name = nameObj.ToString()!;\n            if (!Regex.IsMatch(name, @\"^[a-z0-9]+(-[a-z0-9]+)*$\"))\n                throw new InvalidOperationException(\"name 格式无效\");\n            if (!frontmatter.TryGetValue(\"description\", out var descObj) || string.IsNullOrEmpty(descObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 description 字段\");\n            if (await _context.SkillConfigs.AnyAsync(s => s.Name == name && !s.IsDeleted))\n                throw new InvalidOperationException($\"已存在同名 Skill: {name}\");\n            var targetPath = Path.Combine(_skillsBasePath, name);\n            if (Directory.Exists(targetPath)) Directory.Delete(targetPath, true);\n            Directory.Move(skillRootDir, targetPath);\n            var config = new SkillConfig\n            {\n                Id = Guid.NewGuid().ToString(), Name = name, Description = descObj.ToString()!,\n                License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                FolderPath = name, IsActive = true, SortOrder = 0, Version = \"1.0.0\", Source = SkillSource.Local,\n                HasScripts = Directory.Exists(Path.Combine(targetPath, \"scripts\")),\n                HasReferences = Directory.Exists(Path.Combine(targetPath, \"references\")),\n                HasAssets = Directory.Exists(Path.Combine(targetPath, \"assets\")),\n                SkillMdSize = new FileInfo(Path.Combine(targetPath, \"SKILL.md\")).Length,\n                TotalSize = CalculateDirectorySize(targetPath), CreatedAt = DateTime.UtcNow\n            };\n            if (frontmatter.TryGetValue(\"metadata\", out var meta) && meta is Dictionary<object, object> metaDict)\n            {\n                if (metaDict.TryGetValue(\"author\", out var a)) config.Author = a?.ToString();\n                if (metaDict.TryGetValue(\"version\", out var v)) config.Version = v?.ToString() ?? \"1.0.0\";\n            }\n            _context.SkillConfigs.Add(config);\n            await _context.SaveChangesAsync();\n            _logger.LogInformation(\"上传 Skill: {Name}\", name);\n            return new SkillConfigDto\n            {\n                Id = config.Id, Name = config.Name, Description = config.Description, License = config.License,\n                Compatibility = config.Compatibility, AllowedTools = config.AllowedTools, FolderPath = config.FolderPath,\n                IsActive = config.IsActive, SortOrder = config.SortOrder, Author = config.Author, Version = config.Version,\n                Source = config.Source.ToString().ToLower(), HasScripts = config.HasScripts,\n                HasReferences = config.HasReferences, HasAssets = config.HasAssets,\n                SkillMdSize = config.SkillMdSize, TotalSize = config.TotalSize, CreatedAt = config.CreatedAt\n            };\n        }\n        finally { if (Directory.Exists(tempDir)) try { Directory.Delete(tempDir, true); } catch { } }\n    }\n\n    public async Task<bool> UpdateSkillAsync(string id, SkillUpdateRequest request)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        if (request.IsActive.HasValue) config.IsActive = request.IsActive.Value;\n        if (request.SortOrder.HasValue) config.SortOrder = request.SortOrder.Value;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteSkillAsync(string id)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        var skillPath = Path.Combine(_skillsBasePath, config.FolderPath);\n        if (Directory.Exists(skillPath)) Directory.Delete(skillPath, true);\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        _logger.LogInformation(\"删除 Skill: {Name}\", config.Name);\n        return true;\n    }\n\n    public async Task<string?> GetSkillFileContentAsync(string id, string filePath)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return null;\n        var normalizedPath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath, filePath));\n        var skillBasePath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath));\n        if (!normalizedPath.StartsWith(skillBasePath)) throw new UnauthorizedAccessException(\"非法路径\");\n        return File.Exists(normalizedPath) ? await File.ReadAllTextAsync(normalizedPath) : null;\n    }\n\n\n    public async Task RefreshSkillsFromDiskAsync()\n    {\n        if (!Directory.Exists(_skillsBasePath)) return;\n        var existingNames = (await _context.SkillConfigs.Where(s => !s.IsDeleted).ToListAsync()).Select(s => s.Name).ToHashSet();\n        foreach (var dir in Directory.GetDirectories(_skillsBasePath))\n        {\n            var skillMdPath = Path.Combine(dir, \"SKILL.md\");\n            if (!File.Exists(skillMdPath)) continue;\n            var folderName = Path.GetFileName(dir);\n            if (existingNames.Contains(folderName)) continue;\n            try\n            {\n                var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n                if (!frontmatter.TryGetValue(\"name\", out var nameObj)) continue;\n                var name = nameObj?.ToString();\n                if (string.IsNullOrEmpty(name) || name != folderName) continue;\n                if (!frontmatter.TryGetValue(\"description\", out var descObj)) continue;\n                var config = new SkillConfig\n                {\n                    Id = Guid.NewGuid().ToString(), Name = name, Description = descObj?.ToString() ?? \"\",\n                    License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                    Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                    AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                    FolderPath = folderName, IsActive = true,\n                    HasScripts = Directory.Exists(Path.Combine(dir, \"scripts\")),\n                    HasReferences = Directory.Exists(Path.Combine(dir, \"references\")),\n                    HasAssets = Directory.Exists(Path.Combine(dir, \"assets\")),\n                    SkillMdSize = new FileInfo(skillMdPath).Length,\n                    TotalSize = CalculateDirectorySize(dir), CreatedAt = DateTime.UtcNow\n                };\n                _context.SkillConfigs.Add(config);\n                _logger.LogInformation(\"发现 Skill: {Name}\", name);\n            }\n            catch (Exception ex) { _logger.LogWarning(ex, \"解析失败: {Path}\", dir); }\n        }\n        await _context.SaveChangesAsync();\n    }\n\n    public async Task<List<AiProviderConfigDto>> GetAiProvidersAsync()\n    {\n        return await _context.AiProviderConfigs\n            .Where(p => !p.IsDeleted)\n            .OrderBy(p => p.SortOrder)\n            .ThenBy(p => p.Name)\n            .Select(p => new AiProviderConfigDto\n            {\n                Id = p.Id,\n                Name = p.Name,\n                DisplayName = p.DisplayName,\n                ProviderType = p.ProviderType,\n                BaseUrl = p.BaseUrl,\n                HasApiKey = !string.IsNullOrEmpty(p.ApiKey),\n                AuthType = p.AuthType,\n                IsBuiltIn = p.IsBuiltIn,\n                IsActive = p.IsActive,\n                SupportsModelDiscovery = p.SupportsModelDiscovery,\n                ModelsEndpoint = p.ModelsEndpoint,\n                DefaultModelId = p.DefaultModelId,\n                SystemProxyUrl = p.SystemProxyUrl,\n                OAuthConfigJson = p.OAuthConfigJson,\n                ChannelConfigJson = p.ChannelConfigJson,\n                AccountsJson = p.AccountsJson,\n                RequestOverridesJson = p.RequestOverridesJson,\n                IconUrl = p.IconUrl,\n                Description = p.Description,\n                SortOrder = p.SortOrder,\n                CreatedAt = p.CreatedAt\n            })\n            .ToListAsync();\n    }\n\n    public async Task<AiProviderConfigDto> CreateAiProviderAsync(AiProviderConfigRequest request)\n    {\n        var provider = new AiProviderConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            Name = request.Name,\n            DisplayName = request.DisplayName,\n            ProviderType = request.ProviderType,\n            BaseUrl = request.BaseUrl.TrimEnd('/'),\n            ApiKey = request.ApiKey,\n            AuthType = request.AuthType,\n            IsBuiltIn = request.IsBuiltIn,\n            IsActive = request.IsActive,\n            SupportsModelDiscovery = request.SupportsModelDiscovery,\n            ModelsEndpoint = request.ModelsEndpoint,\n            DefaultModelId = request.DefaultModelId,\n            SystemProxyUrl = request.SystemProxyUrl,\n            OAuthConfigJson = request.OAuthConfigJson,\n            ChannelConfigJson = request.ChannelConfigJson,\n            AccountsJson = request.AccountsJson,\n            RequestOverridesJson = request.RequestOverridesJson,\n            IconUrl = request.IconUrl,\n            Description = request.Description,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.AiProviderConfigs.Add(provider);\n        await _context.SaveChangesAsync();\n        return MapAiProvider(provider);\n    }\n\n    public async Task<bool> UpdateAiProviderAsync(string id, AiProviderConfigRequest request)\n    {\n        var provider = await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == id && !p.IsDeleted);\n        if (provider == null) return false;\n\n        provider.Name = request.Name;\n        provider.DisplayName = request.DisplayName;\n        provider.ProviderType = request.ProviderType;\n        provider.BaseUrl = request.BaseUrl.TrimEnd('/');\n        if (request.ApiKey != null) provider.ApiKey = request.ApiKey;\n        provider.AuthType = request.AuthType;\n        provider.IsBuiltIn = request.IsBuiltIn;\n        provider.IsActive = request.IsActive;\n        provider.SupportsModelDiscovery = request.SupportsModelDiscovery;\n        provider.ModelsEndpoint = request.ModelsEndpoint;\n        provider.DefaultModelId = request.DefaultModelId;\n        provider.SystemProxyUrl = request.SystemProxyUrl;\n        provider.OAuthConfigJson = request.OAuthConfigJson;\n        provider.ChannelConfigJson = request.ChannelConfigJson;\n        provider.AccountsJson = request.AccountsJson;\n        provider.RequestOverridesJson = request.RequestOverridesJson;\n        provider.IconUrl = request.IconUrl;\n        provider.Description = request.Description;\n        provider.SortOrder = request.SortOrder;\n        provider.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteAiProviderAsync(string id)\n    {\n        var provider = await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == id && !p.IsDeleted);\n        if (provider == null) return false;\n        provider.IsDeleted = true;\n        provider.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<AiModelConfigDto>> GetAiModelsAsync(string? providerId = null)\n    {\n        var query = _context.AiModelConfigs.Where(m => !m.IsDeleted);\n        if (!string.IsNullOrWhiteSpace(providerId))\n        {\n            query = query.Where(m => m.ProviderId == providerId);\n        }\n\n        var models = await query\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.SortOrder)\n            .ThenBy(m => m.Name)\n            .ToListAsync();\n\n        var providerIds = models.Select(m => m.ProviderId).Distinct().ToList();\n        var providers = providerIds.Count == 0\n            ? new Dictionary<string, string>()\n            : await _context.AiProviderConfigs\n                .Where(p => providerIds.Contains(p.Id) && !p.IsDeleted)\n                .ToDictionaryAsync(p => p.Id, p => p.DisplayName ?? p.Name);\n\n        return models.Select(m => MapAiModel(m, providers.GetValueOrDefault(m.ProviderId))).ToList();\n    }\n\n    public async Task<AiModelConfigDto> CreateAiModelAsync(AiModelConfigRequest request)\n    {\n        var model = new AiModelConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            ProviderId = request.ProviderId,\n            ModelId = request.ModelId,\n            Name = string.IsNullOrWhiteSpace(request.Name) ? request.ModelId : request.Name,\n            DisplayName = request.DisplayName,\n            ModelType = request.ModelType,\n            ProviderType = AiProviderResolver.NormalizeModelProviderType(request.ProviderType, request.ModelId),\n            ContextWindow = request.ContextWindow,\n            MaxOutputTokens = request.MaxOutputTokens,\n            InputTokenPrice = request.InputTokenPrice,\n            OutputTokenPrice = request.OutputTokenPrice,\n            CacheHitTokenPrice = request.CacheHitTokenPrice,\n            CacheCreationTokenPrice = request.CacheCreationTokenPrice,\n            SupportsThinking = request.SupportsThinking,\n            SupportsVision = request.SupportsVision,\n            SupportsTools = request.SupportsTools,\n            SupportsJsonMode = request.SupportsJsonMode,\n            IsDefault = request.IsDefault,\n            IsActive = request.IsActive,\n            CapabilitiesJson = request.CapabilitiesJson,\n            ThinkingConfigJson = request.ThinkingConfigJson,\n            RequestOverridesJson = request.RequestOverridesJson,\n            TagsJson = request.TagsJson,\n            Description = request.Description,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.AiModelConfigs.Add(model);\n        await _context.SaveChangesAsync();\n        return MapAiModel(model, null);\n    }\n\n    public async Task<bool> UpdateAiModelAsync(string id, AiModelConfigRequest request)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (model == null) return false;\n\n        model.ProviderId = request.ProviderId;\n        model.ModelId = request.ModelId;\n        model.Name = string.IsNullOrWhiteSpace(request.Name) ? request.ModelId : request.Name;\n        model.DisplayName = request.DisplayName;\n        model.ModelType = request.ModelType;\n        model.ProviderType = AiProviderResolver.NormalizeModelProviderType(request.ProviderType, request.ModelId);\n        model.ContextWindow = request.ContextWindow;\n        model.MaxOutputTokens = request.MaxOutputTokens;\n        model.InputTokenPrice = request.InputTokenPrice;\n        model.OutputTokenPrice = request.OutputTokenPrice;\n        model.CacheHitTokenPrice = request.CacheHitTokenPrice;\n        model.CacheCreationTokenPrice = request.CacheCreationTokenPrice;\n        model.SupportsThinking = request.SupportsThinking;\n        model.SupportsVision = request.SupportsVision;\n        model.SupportsTools = request.SupportsTools;\n        model.SupportsJsonMode = request.SupportsJsonMode;\n        model.IsDefault = request.IsDefault;\n        model.IsActive = request.IsActive;\n        model.CapabilitiesJson = request.CapabilitiesJson;\n        model.ThinkingConfigJson = request.ThinkingConfigJson;\n        model.RequestOverridesJson = request.RequestOverridesJson;\n        model.TagsJson = request.TagsJson;\n        model.Description = request.Description;\n        model.SortOrder = request.SortOrder;\n        model.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteAiModelAsync(string id)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (model == null) return false;\n        model.IsDeleted = true;\n        model.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<AiModelConfigDto>> DiscoverAiModelsAsync(\n        string providerId,\n        CancellationToken cancellationToken = default)\n    {\n        var provider = await _context.AiProviderConfigs\n            .FirstOrDefaultAsync(p => p.Id == providerId && !p.IsDeleted, cancellationToken);\n        if (provider == null)\n        {\n            throw new InvalidOperationException(\"AI provider does not exist.\");\n        }\n\n        var endpoint = string.IsNullOrWhiteSpace(provider.ModelsEndpoint)\n            ? $\"{provider.BaseUrl.TrimEnd('/')}/models\"\n            : provider.ModelsEndpoint;\n\n        var client = _httpClientFactory.CreateClient();\n        using var request = new HttpRequestMessage(HttpMethod.Get, endpoint);\n        if (!string.IsNullOrWhiteSpace(provider.ApiKey))\n        {\n            if (provider.ProviderType.Equals(\"Anthropic\", StringComparison.OrdinalIgnoreCase))\n            {\n                request.Headers.Add(\"x-api-key\", provider.ApiKey);\n                request.Headers.Add(\"anthropic-version\", \"2023-06-01\");\n            }\n            else\n            {\n                request.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", provider.ApiKey);\n            }\n        }\n\n        using var response = await client.SendAsync(request, cancellationToken);\n        response.EnsureSuccessStatusCode();\n        var json = await response.Content.ReadAsStringAsync(cancellationToken);\n\n        using var document = JsonDocument.Parse(json);\n        var modelElements = EnumerateModelElements(document.RootElement);\n        return modelElements\n            .Select(model => new AiModelConfigDto\n            {\n                ProviderId = provider.Id,\n                ProviderName = provider.DisplayName ?? provider.Name,\n                ModelId = model.ModelId,\n                Name = model.Name ?? model.ModelId,\n                DisplayName = model.DisplayName ?? model.Name ?? model.ModelId,\n                ModelType = \"chat\",\n                ProviderType = AiProviderResolver.NormalizeModelProviderType(null, model.ModelId) ?? provider.ProviderType,\n                InputTokenPrice = model.InputTokenPrice,\n                OutputTokenPrice = model.OutputTokenPrice,\n                CacheHitTokenPrice = model.CacheHitTokenPrice,\n                CacheCreationTokenPrice = model.CacheCreationTokenPrice,\n                SupportsTools = true,\n                IsActive = true\n            })\n            .ToList();\n    }\n\n    public async Task<AiProviderConnectivityTestResult> TestAiProviderConnectivityAsync(\n        string providerId,\n        AiProviderConnectivityTestRequest request,\n        CancellationToken cancellationToken = default)\n    {\n        var provider = await _context.AiProviderConfigs\n            .FirstOrDefaultAsync(p => p.Id == providerId && !p.IsDeleted, cancellationToken);\n        if (provider == null)\n        {\n            throw new InvalidOperationException(\"AI provider does not exist.\");\n        }\n\n        request ??= new AiProviderConnectivityTestRequest();\n        var modelId = request.ModelId?.Trim();\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            modelId = provider.DefaultModelId;\n        }\n\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            modelId = await _context.AiModelConfigs\n                .Where(m => m.ProviderId == provider.Id && m.IsActive && !m.IsDeleted)\n                .OrderByDescending(m => m.IsDefault)\n                .ThenBy(m => m.SortOrder)\n                .ThenBy(m => m.Name)\n                .Select(m => m.ModelId)\n                .FirstOrDefaultAsync(cancellationToken);\n        }\n\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            throw new InvalidOperationException(\"Please select a model before checking connectivity.\");\n        }\n\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m =>\n                m.ProviderId == provider.Id &&\n                m.ModelId == modelId &&\n                !m.IsDeleted,\n            cancellationToken);\n\n        var providerType = AiProviderResolver.ResolveEffectiveProviderType(\n            string.IsNullOrWhiteSpace(request.ProviderType) ? provider.ProviderType : request.ProviderType,\n            model?.ProviderType);\n        var baseUrl = NormalizeConnectivityBaseUrl(\n            string.IsNullOrWhiteSpace(request.BaseUrl) ? provider.BaseUrl : request.BaseUrl,\n            providerType);\n        var apiKey = request.ApiKey ?? provider.ApiKey;\n\n        using var message = CreateConnectivityRequest(\n            providerType,\n            baseUrl,\n            apiKey,\n            modelId,\n            model);\n        var client = _httpClientFactory.CreateClient();\n        using var timeout = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);\n        timeout.CancelAfter(TimeSpan.FromSeconds(30));\n        var stopwatch = Stopwatch.StartNew();\n\n        using var response = await client.SendAsync(message, timeout.Token);\n        stopwatch.Stop();\n        var content = await response.Content.ReadAsStringAsync(cancellationToken);\n\n        if (response.IsSuccessStatusCode)\n        {\n            return new AiProviderConnectivityTestResult\n            {\n                Success = true,\n                Message = $\"Connectivity check succeeded for model '{modelId}'.\",\n                ProviderType = providerType,\n                ModelId = modelId,\n                StatusCode = (int)response.StatusCode,\n                LatencyMs = stopwatch.ElapsedMilliseconds\n            };\n        }\n\n        var error = string.IsNullOrWhiteSpace(content)\n            ? response.ReasonPhrase\n            : content.Trim();\n        if (error is { Length: > 600 })\n        {\n            error = error[..600];\n        }\n\n        return new AiProviderConnectivityTestResult\n        {\n            Success = false,\n            Message = $\"Connectivity check failed with HTTP {(int)response.StatusCode}: {error}\",\n            ProviderType = providerType,\n            ModelId = modelId,\n            StatusCode = (int)response.StatusCode,\n            LatencyMs = stopwatch.ElapsedMilliseconds\n        };\n    }\n\n    public async Task<List<ModelConfigDto>> GetModelConfigsAsync()\n    {\n        var configs = await _context.ModelConfigs\n            .Where(m => !m.IsDeleted)\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.Name)\n            .ToListAsync();\n\n        var providerIds = configs\n            .Where(m => !string.IsNullOrEmpty(m.AiProviderId))\n            .Select(m => m.AiProviderId!)\n            .Distinct()\n            .ToList();\n\n        var providers = providerIds.Count == 0\n            ? new Dictionary<string, AiProviderConfig>()\n            : await _context.AiProviderConfigs\n                .Where(p => providerIds.Contains(p.Id) && !p.IsDeleted)\n                .ToDictionaryAsync(p => p.Id);\n\n        var aiModels = providerIds.Count == 0\n            ? new Dictionary<string, AiModelConfig>(StringComparer.OrdinalIgnoreCase)\n            : await _context.AiModelConfigs\n                .Where(m => !m.IsDeleted && providerIds.Contains(m.ProviderId))\n                .ToDictionaryAsync(\n                    m => CreateModelBindingKey(m.ProviderId, m.ModelId),\n                    StringComparer.OrdinalIgnoreCase);\n\n        return configs.Select(m =>\n        {\n            providers.TryGetValue(m.AiProviderId ?? string.Empty, out var provider);\n            aiModels.TryGetValue(\n                CreateModelBindingKey(m.AiProviderId ?? string.Empty, m.ModelId),\n                out var aiModel);\n            var providerType = AiProviderResolver.ResolveEffectiveProviderType(\n                provider?.ProviderType ?? m.Provider,\n                aiModel?.ProviderType);\n            return new ModelConfigDto\n            {\n                Id = m.Id,\n                Name = m.Name,\n                AiProviderId = m.AiProviderId,\n                AiProviderName = provider?.DisplayName ?? provider?.Name,\n                Provider = providerType,\n                ModelId = m.ModelId,\n                Endpoint = null,\n                HasApiKey = provider != null && !string.IsNullOrEmpty(provider.ApiKey),\n                IsDefault = m.IsDefault,\n                IsActive = m.IsActive,\n                Description = m.Description,\n                CreatedAt = m.CreatedAt\n            };\n        }).ToList();\n    }\n\n    public async Task<ModelConfigDto> CreateModelConfigAsync(ModelConfigRequest request)\n    {\n        var provider = !string.IsNullOrWhiteSpace(request.AiProviderId)\n            ? await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == request.AiProviderId && !p.IsDeleted)\n            : null;\n        var providerType = provider == null\n            ? AiProviderResolver.ResolveEffectiveProviderType(request.Provider, null)\n            : await ResolveModelProviderTypeAsync(provider, request.ModelId);\n\n        var config = new ModelConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Provider = providerType,\n            AiProviderId = request.AiProviderId, ModelId = request.ModelId, Endpoint = null, ApiKey = null,\n            IsDefault = request.IsDefault, IsActive = request.IsActive, Description = request.Description,\n            CreatedAt = DateTime.UtcNow\n        };\n        _context.ModelConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new ModelConfigDto\n        {\n            Id = config.Id, Name = config.Name, AiProviderId = config.AiProviderId,\n            AiProviderName = provider?.DisplayName ?? provider?.Name, Provider = providerType,\n            ModelId = config.ModelId, Endpoint = null, HasApiKey = provider != null && !string.IsNullOrEmpty(provider.ApiKey),\n            IsDefault = config.IsDefault, IsActive = config.IsActive, Description = config.Description,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateModelConfigAsync(string id, ModelConfigRequest request)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        var provider = !string.IsNullOrWhiteSpace(request.AiProviderId)\n            ? await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == request.AiProviderId && !p.IsDeleted)\n            : null;\n        var providerType = provider == null\n            ? AiProviderResolver.ResolveEffectiveProviderType(request.Provider, null)\n            : await ResolveModelProviderTypeAsync(provider, request.ModelId);\n        config.Name = request.Name; config.Provider = providerType; config.ModelId = request.ModelId;\n        config.AiProviderId = request.AiProviderId;\n        config.Endpoint = null;\n        config.ApiKey = null;\n        config.IsDefault = request.IsDefault; config.IsActive = request.IsActive;\n        config.Description = request.Description; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteModelConfigAsync(string id)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    private async Task<string> ResolveModelProviderTypeAsync(AiProviderConfig provider, string modelId)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m =>\n            m.ProviderId == provider.Id &&\n            m.ModelId == modelId &&\n            !m.IsDeleted);\n\n        return AiProviderResolver.ResolveEffectiveProviderType(\n            provider.ProviderType,\n            model?.ProviderType);\n    }\n\n    private static HttpRequestMessage CreateConnectivityRequest(\n        string providerType,\n        string baseUrl,\n        string? apiKey,\n        string modelId,\n        AiModelConfig? model)\n    {\n        var requestType = AiProviderResolver.ParseRequestType(providerType);\n        return requestType switch\n        {\n            AiRequestType.OpenAIResponses => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"responses\", \"responses\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    input = \"ping\",\n                    max_output_tokens = 1,\n                    stream = false\n                }),\n            AiRequestType.Anthropic => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"v1/messages\", \"messages\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    max_tokens = 1,\n                    messages = new[]\n                    {\n                        new { role = \"user\", content = \"ping\" }\n                    }\n                },\n                configure: message =>\n                {\n                    if (!string.IsNullOrWhiteSpace(apiKey))\n                    {\n                        message.Headers.Remove(\"Authorization\");\n                        message.Headers.Add(\"x-api-key\", apiKey);\n                    }\n\n                    message.Headers.Add(\"anthropic-version\", \"2023-06-01\");\n                }),\n            AiRequestType.DeepSeekOpenAI => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"chat/completions\", \"chat/completions\"),\n                apiKey,\n                CreateDeepSeekConnectivityBody(modelId, model)),\n            AiRequestType.AzureOpenAI => CreateAzureOpenAIConnectivityRequest(baseUrl, apiKey, modelId),\n            _ => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"chat/completions\", \"chat/completions\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    max_tokens = 1,\n                    stream = false,\n                    messages = new[]\n                    {\n                        new { role = \"user\", content = \"ping\" }\n                    }\n                })\n        };\n    }\n\n    private static JsonObject CreateDeepSeekConnectivityBody(string modelId, AiModelConfig? model)\n    {\n        var body = new JsonObject\n        {\n            [\"model\"] = modelId,\n            [\"max_tokens\"] = 1,\n            [\"stream\"] = false,\n            [\"messages\"] = new JsonArray\n            {\n                new JsonObject\n                {\n                    [\"role\"] = \"user\",\n                    [\"content\"] = \"ping\"\n                }\n            }\n        };\n\n        if (model?.SupportsThinking == true &&\n            !string.IsNullOrWhiteSpace(model.ThinkingConfigJson))\n        {\n            try\n            {\n                if (JsonNode.Parse(model.ThinkingConfigJson) is JsonObject config &&\n                    config[\"bodyParams\"] is JsonObject bodyParams)\n                {\n                    foreach (var pair in bodyParams)\n                    {\n                        body[pair.Key] = pair.Value?.DeepClone();\n                    }\n                }\n            }\n            catch (JsonException)\n            {\n                // Connectivity checks should still verify the base protocol if model metadata is malformed.\n            }\n        }\n\n        return body;\n    }\n\n    private static HttpRequestMessage CreateAzureOpenAIConnectivityRequest(\n        string baseUrl,\n        string? apiKey,\n        string modelId)\n    {\n        var endpoint = baseUrl.Contains(\"/chat/completions\", StringComparison.OrdinalIgnoreCase)\n            ? baseUrl\n            : $\"{baseUrl.TrimEnd('/')}/openai/deployments/{Uri.EscapeDataString(modelId)}/chat/completions?api-version=2024-10-21\";\n        return CreateJsonRequest(\n            HttpMethod.Post,\n            endpoint,\n            apiKey,\n            new\n            {\n                max_tokens = 1,\n                stream = false,\n                messages = new[]\n                {\n                    new { role = \"user\", content = \"ping\" }\n                }\n            },\n            message =>\n            {\n                message.Headers.Remove(\"Authorization\");\n                if (!string.IsNullOrWhiteSpace(apiKey))\n                {\n                    message.Headers.Add(\"api-key\", apiKey);\n                }\n            });\n    }\n\n    private static HttpRequestMessage CreateJsonRequest(\n        HttpMethod method,\n        string endpoint,\n        string? apiKey,\n        object body,\n        Action<HttpRequestMessage>? configure = null)\n    {\n        var message = new HttpRequestMessage(method, endpoint)\n        {\n            Content = new StringContent(\n                JsonSerializer.Serialize(body),\n                Encoding.UTF8,\n                \"application/json\")\n        };\n\n        if (!string.IsNullOrWhiteSpace(apiKey))\n        {\n            message.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", apiKey);\n        }\n\n        configure?.Invoke(message);\n        return message;\n    }\n\n    private static string NormalizeConnectivityBaseUrl(string? baseUrl, string providerType)\n    {\n        if (!string.IsNullOrWhiteSpace(baseUrl))\n        {\n            var normalized = baseUrl.Trim().TrimEnd('/');\n            return AiProviderResolver.NormalizeProviderType(providerType).Equals(\"Anthropic\", StringComparison.OrdinalIgnoreCase) &&\n                   normalized.EndsWith(\"/v1\", StringComparison.OrdinalIgnoreCase)\n                ? normalized[..^3]\n                : normalized;\n        }\n\n        return AiProviderResolver.NormalizeProviderType(providerType) switch\n        {\n            \"Anthropic\" => \"https://api.anthropic.com\",\n            \"DeepSeekOpenAI\" => \"https://api.deepseek.com/v1\",\n            _ => \"https://api.openai.com/v1\"\n        };\n    }\n\n    private static string AppendEndpointPath(string baseUrl, string path, string terminalPath)\n    {\n        var trimmed = baseUrl.TrimEnd('/');\n        if (trimmed.EndsWith($\"/{terminalPath}\", StringComparison.OrdinalIgnoreCase))\n        {\n            return trimmed;\n        }\n\n        return $\"{trimmed}/{path.TrimStart('/')}\";\n    }\n\n    private static string CreateModelBindingKey(string providerId, string modelId)\n    {\n        return $\"{providerId}:{modelId}\";\n    }\n\n    private static AiProviderConfigDto MapAiProvider(AiProviderConfig provider)\n    {\n        return new AiProviderConfigDto\n        {\n            Id = provider.Id,\n            Name = provider.Name,\n            DisplayName = provider.DisplayName,\n            ProviderType = provider.ProviderType,\n            BaseUrl = provider.BaseUrl,\n            HasApiKey = !string.IsNullOrEmpty(provider.ApiKey),\n            AuthType = provider.AuthType,\n            IsBuiltIn = provider.IsBuiltIn,\n            IsActive = provider.IsActive,\n            SupportsModelDiscovery = provider.SupportsModelDiscovery,\n            ModelsEndpoint = provider.ModelsEndpoint,\n            DefaultModelId = provider.DefaultModelId,\n            SystemProxyUrl = provider.SystemProxyUrl,\n            OAuthConfigJson = provider.OAuthConfigJson,\n            ChannelConfigJson = provider.ChannelConfigJson,\n            AccountsJson = provider.AccountsJson,\n            RequestOverridesJson = provider.RequestOverridesJson,\n            IconUrl = provider.IconUrl,\n            Description = provider.Description,\n            SortOrder = provider.SortOrder,\n            CreatedAt = provider.CreatedAt\n        };\n    }\n\n    private static AiModelConfigDto MapAiModel(AiModelConfig model, string? providerName)\n    {\n        return new AiModelConfigDto\n        {\n            Id = model.Id,\n            ProviderId = model.ProviderId,\n            ProviderName = providerName,\n            ModelId = model.ModelId,\n            Name = model.Name,\n            DisplayName = model.DisplayName,\n            ModelType = model.ModelType,\n            ProviderType = model.ProviderType,\n            ContextWindow = model.ContextWindow,\n            MaxOutputTokens = model.MaxOutputTokens,\n            InputTokenPrice = model.InputTokenPrice,\n            OutputTokenPrice = model.OutputTokenPrice,\n            CacheHitTokenPrice = model.CacheHitTokenPrice,\n            CacheCreationTokenPrice = model.CacheCreationTokenPrice,\n            SupportsThinking = model.SupportsThinking,\n            SupportsVision = model.SupportsVision,\n            SupportsTools = model.SupportsTools,\n            SupportsJsonMode = model.SupportsJsonMode,\n            IsDefault = model.IsDefault,\n            IsActive = model.IsActive,\n            CapabilitiesJson = model.CapabilitiesJson,\n            ThinkingConfigJson = model.ThinkingConfigJson,\n            RequestOverridesJson = model.RequestOverridesJson,\n            TagsJson = model.TagsJson,\n            Description = model.Description,\n            SortOrder = model.SortOrder,\n            CreatedAt = model.CreatedAt\n        };\n    }\n\n    private static IReadOnlyList<DiscoveredAiModel> EnumerateModelElements(JsonElement root)\n    {\n        var source = root;\n        if (root.ValueKind == JsonValueKind.Object &&\n            root.TryGetProperty(\"data\", out var data) &&\n            data.ValueKind == JsonValueKind.Array)\n        {\n            source = data;\n        }\n\n        if (source.ValueKind != JsonValueKind.Array)\n        {\n            return [];\n        }\n\n        var models = new List<DiscoveredAiModel>();\n        var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);\n\n        foreach (var item in source.EnumerateArray())\n        {\n            var model = ParseDiscoveredAiModel(item);\n            if (model == null || !seen.Add(model.ModelId))\n            {\n                continue;\n            }\n\n            models.Add(model);\n        }\n\n        return models;\n    }\n\n    private static DiscoveredAiModel? ParseDiscoveredAiModel(JsonElement item)\n    {\n        if (item.ValueKind == JsonValueKind.String)\n        {\n            var stringModelId = item.GetString();\n            return string.IsNullOrWhiteSpace(stringModelId)\n                ? null\n                : new DiscoveredAiModel(stringModelId, null, null, null, null, null, null);\n        }\n\n        if (item.ValueKind != JsonValueKind.Object)\n        {\n            return null;\n        }\n\n        var modelId = ReadOptionalString(item, \"id\");\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            return null;\n        }\n\n        return new DiscoveredAiModel(\n            modelId,\n            ReadOptionalString(item, \"name\"),\n            ReadOptionalString(item, \"displayName\"),\n            ReadOptionalDecimal(item, \"inputPrice\") ?? ReadOptionalDecimal(item, \"promptPrice\"),\n            ReadOptionalDecimal(item, \"outputPrice\") ?? ReadOptionalDecimal(item, \"completionPrice\"),\n            ReadOptionalDecimal(item, \"cacheHitPrice\"),\n            ReadOptionalDecimal(item, \"cacheCreationPrice\"));\n    }\n\n    private static string? ReadOptionalString(JsonElement item, string propertyName)\n    {\n        return item.TryGetProperty(propertyName, out var value) && value.ValueKind == JsonValueKind.String\n            ? value.GetString()\n            : null;\n    }\n\n    private static decimal? ReadOptionalDecimal(JsonElement item, string propertyName)\n    {\n        if (!item.TryGetProperty(propertyName, out var value))\n        {\n            return null;\n        }\n\n        return value.ValueKind switch\n        {\n            JsonValueKind.Number when value.TryGetDecimal(out var decimalValue) => decimalValue,\n            JsonValueKind.String when decimal.TryParse(\n                value.GetString(),\n                NumberStyles.Number,\n                CultureInfo.InvariantCulture,\n                out var stringValue) => stringValue,\n            _ => null\n        };\n    }\n\n    private sealed record DiscoveredAiModel(\n        string ModelId,\n        string? Name,\n        string? DisplayName,\n        decimal? InputTokenPrice,\n        decimal? OutputTokenPrice,\n        decimal? CacheHitTokenPrice,\n        decimal? CacheCreationTokenPrice);\n\n    private static string? FindSkillMd(string directory)\n    {\n        var skillMd = Path.Combine(directory, \"SKILL.md\");\n        if (File.Exists(skillMd)) return skillMd;\n        foreach (var subDir in Directory.GetDirectories(directory))\n        {\n            skillMd = Path.Combine(subDir, \"SKILL.md\");\n            if (File.Exists(skillMd)) return skillMd;\n        }\n        return null;\n    }\n\n    private static (Dictionary<string, object?> frontmatter, string body) ParseSkillMd(string content)\n    {\n        var frontmatter = new Dictionary<string, object?>();\n        var body = content;\n        if (content.StartsWith(\"---\"))\n        {\n            var endIndex = content.IndexOf(\"---\", 3);\n            if (endIndex > 0)\n            {\n                var yamlContent = content[3..endIndex].Trim();\n                body = content[(endIndex + 3)..].Trim();\n                try\n                {\n                    var deserializer = new DeserializerBuilder().WithNamingConvention(HyphenatedNamingConvention.Instance).Build();\n                    frontmatter = deserializer.Deserialize<Dictionary<string, object?>>(yamlContent) ?? new();\n                }\n                catch { }\n            }\n        }\n        return (frontmatter, body);\n    }\n\n    private static List<SkillFileInfo> ListDirectoryFiles(string directory)\n    {\n        var files = new List<SkillFileInfo>();\n        if (!Directory.Exists(directory)) return files;\n        foreach (var file in Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories))\n        {\n            var info = new FileInfo(file);\n            files.Add(new SkillFileInfo { FileName = info.Name, RelativePath = Path.GetRelativePath(directory, file), Size = info.Length, LastModified = info.LastWriteTimeUtc });\n        }\n        return files;\n    }\n\n    private static long CalculateDirectorySize(string directory) =>\n        !Directory.Exists(directory) ? 0 : Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories).Sum(f => new FileInfo(f).Length);\n}\n"}, "24e31a340b661bee848fad546832d68b7bcfa3d3": {"t": 1785760376.2622972, "n": 47196, "h": "f982324b62722e59", "c": "using System.IO.Compression;\nusing System.Net.Http.Headers;\nusing System.Text;\nusing System.Text.Json;\nusing System.Text.Json.Nodes;\nusing System.Text.RegularExpressions;\nusing System.Diagnostics;\nusing Microsoft.EntityFrameworkCore;\nusing OpenDeepWiki.EFCore;\nusing OpenDeepWiki.Entities;\nusing OpenDeepWiki.Entities.Tools;\nusing OpenDeepWiki.Models.Admin;\nusing OpenDeepWiki.Services.AI;\nusing OpenDeepWiki.Agents;\nusing YamlDotNet.Serialization;\nusing YamlDotNet.Serialization.NamingConventions;\n\nnamespace OpenDeepWiki.Services.Admin;\n\npublic class AdminToolsService : IAdminToolsService\n{\n    private readonly IContext _context;\n    private readonly ILogger<AdminToolsService> _logger;\n    private readonly IHttpClientFactory _httpClientFactory;\n    private readonly string _skillsBasePath;\n\n    public AdminToolsService(\n        IContext context,\n        ILogger<AdminToolsService> logger,\n        IConfiguration configuration,\n        IHttpClientFactory httpClientFactory)\n    {\n        _context = context;\n        _logger = logger;\n        _httpClientFactory = httpClientFactory;\n        _skillsBasePath = configuration[\"Skills:BasePath\"] ?? Path.Combine(AppContext.BaseDirectory, \"skills\");\n        if (!Directory.Exists(_skillsBasePath)) Directory.CreateDirectory(_skillsBasePath);\n    }\n\n    public async Task<List<McpConfigDto>> GetMcpConfigsAsync()\n    {\n        return await _context.McpConfigs.Where(m => !m.IsDeleted).OrderBy(m => m.SortOrder)\n            .Select(m => new McpConfigDto\n            {\n                Id = m.Id, Name = m.Name, Description = m.Description, ServerUrl = m.ServerUrl,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsActive = m.IsActive,\n                SortOrder = m.SortOrder, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<McpConfigDto> CreateMcpConfigAsync(McpConfigRequest request)\n    {\n        var config = new McpConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Description = request.Description,\n            ServerUrl = request.ServerUrl, ApiKey = request.ApiKey, IsActive = request.IsActive,\n            SortOrder = request.SortOrder, CreatedAt = DateTime.UtcNow\n        };\n        _context.McpConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new McpConfigDto\n        {\n            Id = config.Id, Name = config.Name, Description = config.Description,\n            ServerUrl = config.ServerUrl, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsActive = config.IsActive, SortOrder = config.SortOrder, CreatedAt = config.CreatedAt\n        };\n    }\n\n\n    public async Task<bool> UpdateMcpConfigAsync(string id, McpConfigRequest request)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Description = request.Description;\n        config.ServerUrl = request.ServerUrl;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsActive = request.IsActive; config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteMcpConfigAsync(string id)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<SkillConfigDto>> GetSkillConfigsAsync()\n    {\n        var skills = await _context.SkillConfigs\n            .Where(s => !s.IsDeleted)\n            .OrderBy(s => s.SortOrder)\n            .ThenBy(s => s.Name)\n            .ToListAsync();\n\n        var result = new List<SkillConfigDto>(skills.Count);\n        foreach (var skill in skills)\n        {\n            var dto = MapSkillConfig(skill);\n            dto.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n            result.Add(dto);\n        }\n\n        return result;\n    }\n\n    public async Task<SkillDetailDto?> GetSkillDetailAsync(string id)\n    {\n        var skill = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (skill == null) return null;\n        var skillPath = Path.Combine(_skillsBasePath, skill.FolderPath);\n        var detail = new SkillDetailDto(MapSkillConfig(skill));\n        detail.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n        var skillMdPath = Path.Combine(skillPath, \"SKILL.md\");\n        if (File.Exists(skillMdPath)) detail.SkillMdContent = await File.ReadAllTextAsync(skillMdPath);\n        detail.Scripts = ListDirectoryFiles(Path.Combine(skillPath, \"scripts\"));\n        detail.References = ListDirectoryFiles(Path.Combine(skillPath, \"references\"));\n        detail.Assets = ListDirectoryFiles(Path.Combine(skillPath, \"assets\"));\n        return detail;\n    }\n\n    private SkillConfigDto MapSkillConfig(SkillConfig skill)\n    {\n        return new SkillConfigDto\n        {\n            Id = skill.Id,\n            Name = skill.Name,\n            Description = skill.Description,\n            License = skill.License,\n            Compatibility = skill.Compatibility,\n            AllowedTools = skill.AllowedTools,\n            FolderPath = skill.FolderPath,\n            IsActive = skill.IsActive,\n            SortOrder = skill.SortOrder,\n            Author = skill.Author,\n            Version = skill.Version,\n            Source = skill.Source.ToString().ToLower(),\n            SourceUrl = skill.SourceUrl,\n            HasScripts = skill.HasScripts,\n            HasReferences = skill.HasReferences,\n            HasAssets = skill.HasAssets,\n            SkillMdSize = skill.SkillMdSize,\n            TotalSize = skill.TotalSize,\n            CreatedAt = skill.CreatedAt\n        };\n    }\n\n    private async Task<Dictionary<string, object?>> LoadSkillFrontmatterAsync(SkillConfig skill)\n    {\n        try\n        {\n            var skillMdPath = Path.Combine(_skillsBasePath, skill.FolderPath, \"SKILL.md\");\n            if (!File.Exists(skillMdPath))\n            {\n                return new Dictionary<string, object?>();\n            }\n\n            var content = await File.ReadAllTextAsync(skillMdPath);\n            var (frontmatter, _) = ParseSkillMd(content);\n            return frontmatter;\n        }\n        catch (Exception ex)\n        {\n            _logger.LogWarning(ex, \"Failed to load SKILL.md frontmatter for {Skill}\", skill.Name);\n            return new Dictionary<string, object?>();\n        }\n    }\n\n\n    public async Task<SkillConfigDto> UploadSkillAsync(Stream zipStream, string fileName)\n    {\n        var tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());\n        Directory.CreateDirectory(tempDir);\n        try\n        {\n            using (var archive = new ZipArchive(zipStream, ZipArchiveMode.Read))\n                archive.ExtractToDirectory(tempDir);\n            var skillMdPath = FindSkillMd(tempDir) ?? throw new InvalidOperationException(\"压缩包中未找到 SKILL.md\");\n            var skillRootDir = Path.GetDirectoryName(skillMdPath)!;\n            var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n            if (!frontmatter.TryGetValue(\"name\", out var nameObj) || string.IsNullOrEmpty(nameObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 name 字段\");\n            var name = nameObj.ToString()!;\n            if (!Regex.IsMatch(name, @\"^[a-z0-9]+(-[a-z0-9]+)*$\"))\n                throw new InvalidOperationException(\"name 格式无效\");\n            if (!frontmatter.TryGetValue(\"description\", out var descObj) || string.IsNullOrEmpty(descObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 description 字段\");\n            if (await _context.SkillConfigs.AnyAsync(s => s.Name == name && !s.IsDeleted))\n                throw new InvalidOperationException($\"已存在同名 Skill: {name}\");\n            var targetPath = Path.Combine(_skillsBasePath, name);\n            if (Directory.Exists(targetPath)) Directory.Delete(targetPath, true);\n            Directory.Move(skillRootDir, targetPath);\n            var config = new SkillConfig\n            {\n                Id = Guid.NewGuid().ToString(), Name = name, Description = descObj.ToString()!,\n                License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                FolderPath = name, IsActive = true, SortOrder = 0, Version = \"1.0.0\", Source = SkillSource.Local,\n                HasScripts = Directory.Exists(Path.Combine(targetPath, \"scripts\")),\n                HasReferences = Directory.Exists(Path.Combine(targetPath, \"references\")),\n                HasAssets = Directory.Exists(Path.Combine(targetPath, \"assets\")),\n                SkillMdSize = new FileInfo(Path.Combine(targetPath, \"SKILL.md\")).Length,\n                TotalSize = CalculateDirectorySize(targetPath), CreatedAt = DateTime.UtcNow\n            };\n            if (frontmatter.TryGetValue(\"metadata\", out var meta) && meta is Dictionary<object, object> metaDict)\n            {\n                if (metaDict.TryGetValue(\"author\", out var a)) config.Author = a?.ToString();\n                if (metaDict.TryGetValue(\"version\", out var v)) config.Version = v?.ToString() ?? \"1.0.0\";\n            }\n            _context.SkillConfigs.Add(config);\n            await _context.SaveChangesAsync();\n            _logger.LogInformation(\"上传 Skill: {Name}\", name);\n            return new SkillConfigDto\n            {\n                Id = config.Id, Name = config.Name, Description = config.Description, License = config.License,\n                Compatibility = config.Compatibility, AllowedTools = config.AllowedTools, FolderPath = config.FolderPath,\n                IsActive = config.IsActive, SortOrder = config.SortOrder, Author = config.Author, Version = config.Version,\n                Source = config.Source.ToString().ToLower(), HasScripts = config.HasScripts,\n                HasReferences = config.HasReferences, HasAssets = config.HasAssets,\n                SkillMdSize = config.SkillMdSize, TotalSize = config.TotalSize, CreatedAt = config.CreatedAt\n            };\n        }\n        finally { if (Directory.Exists(tempDir)) try { Directory.Delete(tempDir, true); } catch { } }\n    }\n\n    public async Task<bool> UpdateSkillAsync(string id, SkillUpdateRequest request)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        if (request.IsActive.HasValue) config.IsActive = request.IsActive.Value;\n        if (request.SortOrder.HasValue) config.SortOrder = request.SortOrder.Value;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteSkillAsync(string id)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        var skillPath = Path.Combine(_skillsBasePath, config.FolderPath);\n        if (Directory.Exists(skillPath)) Directory.Delete(skillPath, true);\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        _logger.LogInformation(\"删除 Skill: {Name}\", config.Name);\n        return true;\n    }\n\n    public async Task<string?> GetSkillFileContentAsync(string id, string filePath)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return null;\n        var normalizedPath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath, filePath));\n        var skillBasePath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath));\n        if (!normalizedPath.StartsWith(skillBasePath)) throw new UnauthorizedAccessException(\"非法路径\");\n        return File.Exists(normalizedPath) ? await File.ReadAllTextAsync(normalizedPath) : null;\n    }\n\n\n    public async Task RefreshSkillsFromDiskAsync()\n    {\n        if (!Directory.Exists(_skillsBasePath)) return;\n        var existingNames = (await _context.SkillConfigs.Where(s => !s.IsDeleted).ToListAsync()).Select(s => s.Name).ToHashSet();\n        foreach (var dir in Directory.GetDirectories(_skillsBasePath))\n        {\n            var skillMdPath = Path.Combine(dir, \"SKILL.md\");\n            if (!File.Exists(skillMdPath)) continue;\n            var folderName = Path.GetFileName(dir);\n            if (existingNames.Contains(folderName)) continue;\n            try\n            {\n                var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n                if (!frontmatter.TryGetValue(\"name\", out var nameObj)) continue;\n                var name = nameObj?.ToString();\n                if (string.IsNullOrEmpty(name) || name != folderName) continue;\n                if (!frontmatter.TryGetValue(\"description\", out var descObj)) continue;\n                var config = new SkillConfig\n                {\n                    Id = Guid.NewGuid().ToString(), Name = name, Description = descObj?.ToString() ?? \"\",\n                    License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                    Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                    AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                    FolderPath = folderName, IsActive = true,\n                    HasScripts = Directory.Exists(Path.Combine(dir, \"scripts\")),\n                    HasReferences = Directory.Exists(Path.Combine(dir, \"references\")),\n                    HasAssets = Directory.Exists(Path.Combine(dir, \"assets\")),\n                    SkillMdSize = new FileInfo(skillMdPath).Length,\n                    TotalSize = CalculateDirectorySize(dir), CreatedAt = DateTime.UtcNow\n                };\n                _context.SkillConfigs.Add(config);\n                _logger.LogInformation(\"发现 Skill: {Name}\", name);\n            }\n            catch (Exception ex) { _logger.LogWarning(ex, \"解析失败: {Path}\", dir); }\n        }\n        await _context.SaveChangesAsync();\n    }\n\n    public async Task<List<AiProviderConfigDto>> GetAiProvidersAsync()\n    {\n        return await _context.AiProviderConfigs\n            .Where(p => !p.IsDeleted)\n            .OrderBy(p => p.SortOrder)\n            .ThenBy(p => p.Name)\n            .Select(p => new AiProviderConfigDto\n            {\n                Id = p.Id,\n                Name = p.Name,\n                DisplayName = p.DisplayName,\n                ProviderType = p.ProviderType,\n                BaseUrl = p.BaseUrl,\n                HasApiKey = !string.IsNullOrEmpty(p.ApiKey),\n                AuthType = p.AuthType,\n                IsBuiltIn = p.IsBuiltIn,\n                IsActive = p.IsActive,\n                SupportsModelDiscovery = p.SupportsModelDiscovery,\n                ModelsEndpoint = p.ModelsEndpoint,\n                DefaultModelId = p.DefaultModelId,\n                SystemProxyUrl = p.SystemProxyUrl,\n                OAuthConfigJson = p.OAuthConfigJson,\n                ChannelConfigJson = p.ChannelConfigJson,\n                AccountsJson = p.AccountsJson,\n                RequestOverridesJson = p.RequestOverridesJson,\n                IconUrl = p.IconUrl,\n                Description = p.Description,\n                SortOrder = p.SortOrder,\n                CreatedAt = p.CreatedAt\n            })\n            .ToListAsync();\n    }\n\n    public async Task<AiProviderConfigDto> CreateAiProviderAsync(AiProviderConfigRequest request)\n    {\n        var provider = new AiProviderConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            Name = request.Name,\n            DisplayName = request.DisplayName,\n            ProviderType = request.ProviderType,\n            BaseUrl = request.BaseUrl.TrimEnd('/'),\n            ApiKey = request.ApiKey,\n            AuthType = request.AuthType,\n            IsBuiltIn = request.IsBuiltIn,\n            IsActive = request.IsActive,\n            SupportsModelDiscovery = request.SupportsModelDiscovery,\n            ModelsEndpoint = request.ModelsEndpoint,\n            DefaultModelId = request.DefaultModelId,\n            SystemProxyUrl = request.SystemProxyUrl,\n            OAuthConfigJson = request.OAuthConfigJson,\n            ChannelConfigJson = request.ChannelConfigJson,\n            AccountsJson = request.AccountsJson,\n            RequestOverridesJson = request.RequestOverridesJson,\n            IconUrl = request.IconUrl,\n            Description = request.Description,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.AiProviderConfigs.Add(provider);\n        await _context.SaveChangesAsync();\n        return MapAiProvider(provider);\n    }\n\n    public async Task<bool> UpdateAiProviderAsync(string id, AiProviderConfigRequest request)\n    {\n        var provider = await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == id && !p.IsDeleted);\n        if (provider == null) return false;\n\n        provider.Name = request.Name;\n        provider.DisplayName = request.DisplayName;\n        provider.ProviderType = request.ProviderType;\n        provider.BaseUrl = request.BaseUrl.TrimEnd('/');\n        if (request.ApiKey != null) provider.ApiKey = request.ApiKey;\n        provider.AuthType = request.AuthType;\n        provider.IsBuiltIn = request.IsBuiltIn;\n        provider.IsActive = request.IsActive;\n        provider.SupportsModelDiscovery = request.SupportsModelDiscovery;\n        provider.ModelsEndpoint = request.ModelsEndpoint;\n        provider.DefaultModelId = request.DefaultModelId;\n        provider.SystemProxyUrl = request.SystemProxyUrl;\n        provider.OAuthConfigJson = request.OAuthConfigJson;\n        provider.ChannelConfigJson = request.ChannelConfigJson;\n        provider.AccountsJson = request.AccountsJson;\n        provider.RequestOverridesJson = request.RequestOverridesJson;\n        provider.IconUrl = request.IconUrl;\n        provider.Description = request.Description;\n        provider.SortOrder = request.SortOrder;\n        provider.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteAiProviderAsync(string id)\n    {\n        var provider = await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == id && !p.IsDeleted);\n        if (provider == null) return false;\n        provider.IsDeleted = true;\n        provider.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<AiModelConfigDto>> GetAiModelsAsync(string? providerId = null)\n    {\n        var query = _context.AiModelConfigs.Where(m => !m.IsDeleted);\n        if (!string.IsNullOrWhiteSpace(providerId))\n        {\n            query = query.Where(m => m.ProviderId == providerId);\n        }\n\n        var models = await query\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.SortOrder)\n            .ThenBy(m => m.Name)\n            .ToListAsync();\n\n        var providerIds = models.Select(m => m.ProviderId).Distinct().ToList();\n        var providers = providerIds.Count == 0\n            ? new Dictionary<string, string>()\n            : await _context.AiProviderConfigs\n                .Where(p => providerIds.Contains(p.Id) && !p.IsDeleted)\n                .ToDictionaryAsync(p => p.Id, p => p.DisplayName ?? p.Name);\n\n        return models.Select(m => MapAiModel(m, providers.GetValueOrDefault(m.ProviderId))).ToList();\n    }\n\n    public async Task<AiModelConfigDto> CreateAiModelAsync(AiModelConfigRequest request)\n    {\n        var model = new AiModelConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            ProviderId = request.ProviderId,\n            ModelId = request.ModelId,\n            Name = string.IsNullOrWhiteSpace(request.Name) ? request.ModelId : request.Name,\n            DisplayName = request.DisplayName,\n            ModelType = request.ModelType,\n            ProviderType = AiProviderResolver.NormalizeModelProviderType(request.ProviderType, request.ModelId),\n            ContextWindow = request.ContextWindow,\n            MaxOutputTokens = request.MaxOutputTokens,\n            InputTokenPrice = request.InputTokenPrice,\n            OutputTokenPrice = request.OutputTokenPrice,\n            SupportsThinking = request.SupportsThinking,\n            SupportsVision = request.SupportsVision,\n            SupportsTools = request.SupportsTools,\n            SupportsJsonMode = request.SupportsJsonMode,\n            IsDefault = request.IsDefault,\n            IsActive = request.IsActive,\n            CapabilitiesJson = request.CapabilitiesJson,\n            ThinkingConfigJson = request.ThinkingConfigJson,\n            RequestOverridesJson = request.RequestOverridesJson,\n            TagsJson = request.TagsJson,\n            Description = request.Description,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.AiModelConfigs.Add(model);\n        await _context.SaveChangesAsync();\n        return MapAiModel(model, null);\n    }\n\n    public async Task<bool> UpdateAiModelAsync(string id, AiModelConfigRequest request)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (model == null) return false;\n\n        model.ProviderId = request.ProviderId;\n        model.ModelId = request.ModelId;\n        model.Name = string.IsNullOrWhiteSpace(request.Name) ? request.ModelId : request.Name;\n        model.DisplayName = request.DisplayName;\n        model.ModelType = request.ModelType;\n        model.ProviderType = AiProviderResolver.NormalizeModelProviderType(request.ProviderType, request.ModelId);\n        model.ContextWindow = request.ContextWindow;\n        model.MaxOutputTokens = request.MaxOutputTokens;\n        model.InputTokenPrice = request.InputTokenPrice;\n        model.OutputTokenPrice = request.OutputTokenPrice;\n        model.SupportsThinking = request.SupportsThinking;\n        model.SupportsVision = request.SupportsVision;\n        model.SupportsTools = request.SupportsTools;\n        model.SupportsJsonMode = request.SupportsJsonMode;\n        model.IsDefault = request.IsDefault;\n        model.IsActive = request.IsActive;\n        model.CapabilitiesJson = request.CapabilitiesJson;\n        model.ThinkingConfigJson = request.ThinkingConfigJson;\n        model.RequestOverridesJson = request.RequestOverridesJson;\n        model.TagsJson = request.TagsJson;\n        model.Description = request.Description;\n        model.SortOrder = request.SortOrder;\n        model.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteAiModelAsync(string id)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (model == null) return false;\n        model.IsDeleted = true;\n        model.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<AiModelConfigDto>> DiscoverAiModelsAsync(\n        string providerId,\n        CancellationToken cancellationToken = default)\n    {\n        var provider = await _context.AiProviderConfigs\n            .FirstOrDefaultAsync(p => p.Id == providerId && !p.IsDeleted, cancellationToken);\n        if (provider == null)\n        {\n            throw new InvalidOperationException(\"AI provider does not exist.\");\n        }\n\n        var endpoint = string.IsNullOrWhiteSpace(provider.ModelsEndpoint)\n            ? $\"{provider.BaseUrl.TrimEnd('/')}/models\"\n            : provider.ModelsEndpoint;\n\n        var client = _httpClientFactory.CreateClient();\n        using var request = new HttpRequestMessage(HttpMethod.Get, endpoint);\n        if (!string.IsNullOrWhiteSpace(provider.ApiKey))\n        {\n            if (provider.ProviderType.Equals(\"Anthropic\", StringComparison.OrdinalIgnoreCase))\n            {\n                request.Headers.Add(\"x-api-key\", provider.ApiKey);\n                request.Headers.Add(\"anthropic-version\", \"2023-06-01\");\n            }\n            else\n            {\n                request.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", provider.ApiKey);\n            }\n        }\n\n        using var response = await client.SendAsync(request, cancellationToken);\n        response.EnsureSuccessStatusCode();\n        var json = await response.Content.ReadAsStringAsync(cancellationToken);\n\n        using var document = JsonDocument.Parse(json);\n        var modelElements = EnumerateModelElements(document.RootElement);\n        return modelElements\n            .Select(id => new AiModelConfigDto\n            {\n                ProviderId = provider.Id,\n                ProviderName = provider.DisplayName ?? provider.Name,\n                ModelId = id,\n                Name = id,\n                DisplayName = id,\n                ModelType = \"chat\",\n                ProviderType = AiProviderResolver.NormalizeModelProviderType(null, id) ?? provider.ProviderType,\n                SupportsTools = true,\n                IsActive = true\n            })\n            .ToList();\n    }\n\n    public async Task<AiProviderConnectivityTestResult> TestAiProviderConnectivityAsync(\n        string providerId,\n        AiProviderConnectivityTestRequest request,\n        CancellationToken cancellationToken = default)\n    {\n        var provider = await _context.AiProviderConfigs\n            .FirstOrDefaultAsync(p => p.Id == providerId && !p.IsDeleted, cancellationToken);\n        if (provider == null)\n        {\n            throw new InvalidOperationException(\"AI provider does not exist.\");\n        }\n\n        request ??= new AiProviderConnectivityTestRequest();\n        var modelId = request.ModelId?.Trim();\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            modelId = provider.DefaultModelId;\n        }\n\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            modelId = await _context.AiModelConfigs\n                .Where(m => m.ProviderId == provider.Id && m.IsActive && !m.IsDeleted)\n                .OrderByDescending(m => m.IsDefault)\n                .ThenBy(m => m.SortOrder)\n                .ThenBy(m => m.Name)\n                .Select(m => m.ModelId)\n                .FirstOrDefaultAsync(cancellationToken);\n        }\n\n        if (string.IsNullOrWhiteSpace(modelId))\n        {\n            throw new InvalidOperationException(\"Please select a model before checking connectivity.\");\n        }\n\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m =>\n                m.ProviderId == provider.Id &&\n                m.ModelId == modelId &&\n                !m.IsDeleted,\n            cancellationToken);\n\n        var providerType = AiProviderResolver.ResolveEffectiveProviderType(\n            string.IsNullOrWhiteSpace(request.ProviderType) ? provider.ProviderType : request.ProviderType,\n            model?.ProviderType);\n        var baseUrl = NormalizeConnectivityBaseUrl(\n            string.IsNullOrWhiteSpace(request.BaseUrl) ? provider.BaseUrl : request.BaseUrl,\n            providerType);\n        var apiKey = request.ApiKey ?? provider.ApiKey;\n\n        using var message = CreateConnectivityRequest(\n            providerType,\n            baseUrl,\n            apiKey,\n            modelId,\n            model);\n        var client = _httpClientFactory.CreateClient();\n        using var timeout = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);\n        timeout.CancelAfter(TimeSpan.FromSeconds(30));\n        var stopwatch = Stopwatch.StartNew();\n\n        using var response = await client.SendAsync(message, timeout.Token);\n        stopwatch.Stop();\n        var content = await response.Content.ReadAsStringAsync(cancellationToken);\n\n        if (response.IsSuccessStatusCode)\n        {\n            return new AiProviderConnectivityTestResult\n            {\n                Success = true,\n                Message = $\"Connectivity check succeeded for model '{modelId}'.\",\n                ProviderType = providerType,\n                ModelId = modelId,\n                StatusCode = (int)response.StatusCode,\n                LatencyMs = stopwatch.ElapsedMilliseconds\n            };\n        }\n\n        var error = string.IsNullOrWhiteSpace(content)\n            ? response.ReasonPhrase\n            : content.Trim();\n        if (error is { Length: > 600 })\n        {\n            error = error[..600];\n        }\n\n        return new AiProviderConnectivityTestResult\n        {\n            Success = false,\n            Message = $\"Connectivity check failed with HTTP {(int)response.StatusCode}: {error}\",\n            ProviderType = providerType,\n            ModelId = modelId,\n            StatusCode = (int)response.StatusCode,\n            LatencyMs = stopwatch.ElapsedMilliseconds\n        };\n    }\n\n    public async Task<List<ModelConfigDto>> GetModelConfigsAsync()\n    {\n        var configs = await _context.ModelConfigs\n            .Where(m => !m.IsDeleted)\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.Name)\n            .ToListAsync();\n\n        var providerIds = configs\n            .Where(m => !string.IsNullOrEmpty(m.AiProviderId))\n            .Select(m => m.AiProviderId!)\n            .Distinct()\n            .ToList();\n\n        var providers = providerIds.Count == 0\n            ? new Dictionary<string, AiProviderConfig>()\n            : await _context.AiProviderConfigs\n                .Where(p => providerIds.Contains(p.Id) && !p.IsDeleted)\n                .ToDictionaryAsync(p => p.Id);\n\n        var aiModels = providerIds.Count == 0\n            ? new Dictionary<string, AiModelConfig>(StringComparer.OrdinalIgnoreCase)\n            : await _context.AiModelConfigs\n                .Where(m => !m.IsDeleted && providerIds.Contains(m.ProviderId))\n                .ToDictionaryAsync(\n                    m => CreateModelBindingKey(m.ProviderId, m.ModelId),\n                    StringComparer.OrdinalIgnoreCase);\n\n        return configs.Select(m =>\n        {\n            providers.TryGetValue(m.AiProviderId ?? string.Empty, out var provider);\n            aiModels.TryGetValue(\n                CreateModelBindingKey(m.AiProviderId ?? string.Empty, m.ModelId),\n                out var aiModel);\n            var providerType = AiProviderResolver.ResolveEffectiveProviderType(\n                provider?.ProviderType ?? m.Provider,\n                aiModel?.ProviderType);\n            return new ModelConfigDto\n            {\n                Id = m.Id,\n                Name = m.Name,\n                AiProviderId = m.AiProviderId,\n                AiProviderName = provider?.DisplayName ?? provider?.Name,\n                Provider = providerType,\n                ModelId = m.ModelId,\n                Endpoint = null,\n                HasApiKey = provider != null && !string.IsNullOrEmpty(provider.ApiKey),\n                IsDefault = m.IsDefault,\n                IsActive = m.IsActive,\n                Description = m.Description,\n                CreatedAt = m.CreatedAt\n            };\n        }).ToList();\n    }\n\n    public async Task<ModelConfigDto> CreateModelConfigAsync(ModelConfigRequest request)\n    {\n        var provider = !string.IsNullOrWhiteSpace(request.AiProviderId)\n            ? await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == request.AiProviderId && !p.IsDeleted)\n            : null;\n        var providerType = provider == null\n            ? AiProviderResolver.ResolveEffectiveProviderType(request.Provider, null)\n            : await ResolveModelProviderTypeAsync(provider, request.ModelId);\n\n        var config = new ModelConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Provider = providerType,\n            AiProviderId = request.AiProviderId, ModelId = request.ModelId, Endpoint = null, ApiKey = null,\n            IsDefault = request.IsDefault, IsActive = request.IsActive, Description = request.Description,\n            CreatedAt = DateTime.UtcNow\n        };\n        _context.ModelConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new ModelConfigDto\n        {\n            Id = config.Id, Name = config.Name, AiProviderId = config.AiProviderId,\n            AiProviderName = provider?.DisplayName ?? provider?.Name, Provider = providerType,\n            ModelId = config.ModelId, Endpoint = null, HasApiKey = provider != null && !string.IsNullOrEmpty(provider.ApiKey),\n            IsDefault = config.IsDefault, IsActive = config.IsActive, Description = config.Description,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateModelConfigAsync(string id, ModelConfigRequest request)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        var provider = !string.IsNullOrWhiteSpace(request.AiProviderId)\n            ? await _context.AiProviderConfigs.FirstOrDefaultAsync(p => p.Id == request.AiProviderId && !p.IsDeleted)\n            : null;\n        var providerType = provider == null\n            ? AiProviderResolver.ResolveEffectiveProviderType(request.Provider, null)\n            : await ResolveModelProviderTypeAsync(provider, request.ModelId);\n        config.Name = request.Name; config.Provider = providerType; config.ModelId = request.ModelId;\n        config.AiProviderId = request.AiProviderId;\n        config.Endpoint = null;\n        config.ApiKey = null;\n        config.IsDefault = request.IsDefault; config.IsActive = request.IsActive;\n        config.Description = request.Description; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteModelConfigAsync(string id)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    private async Task<string> ResolveModelProviderTypeAsync(AiProviderConfig provider, string modelId)\n    {\n        var model = await _context.AiModelConfigs.FirstOrDefaultAsync(m =>\n            m.ProviderId == provider.Id &&\n            m.ModelId == modelId &&\n            !m.IsDeleted);\n\n        return AiProviderResolver.ResolveEffectiveProviderType(\n            provider.ProviderType,\n            model?.ProviderType);\n    }\n\n    private static HttpRequestMessage CreateConnectivityRequest(\n        string providerType,\n        string baseUrl,\n        string? apiKey,\n        string modelId,\n        AiModelConfig? model)\n    {\n        var requestType = AiProviderResolver.ParseRequestType(providerType);\n        return requestType switch\n        {\n            AiRequestType.OpenAIResponses => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"responses\", \"responses\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    input = \"ping\",\n                    max_output_tokens = 1,\n                    stream = false\n                }),\n            AiRequestType.Anthropic => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"v1/messages\", \"messages\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    max_tokens = 1,\n                    messages = new[]\n                    {\n                        new { role = \"user\", content = \"ping\" }\n                    }\n                },\n                configure: message =>\n                {\n                    if (!string.IsNullOrWhiteSpace(apiKey))\n                    {\n                        message.Headers.Remove(\"Authorization\");\n                        message.Headers.Add(\"x-api-key\", apiKey);\n                    }\n\n                    message.Headers.Add(\"anthropic-version\", \"2023-06-01\");\n                }),\n            AiRequestType.DeepSeekOpenAI => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"chat/completions\", \"chat/completions\"),\n                apiKey,\n                CreateDeepSeekConnectivityBody(modelId, model)),\n            AiRequestType.AzureOpenAI => CreateAzureOpenAIConnectivityRequest(baseUrl, apiKey, modelId),\n            _ => CreateJsonRequest(\n                HttpMethod.Post,\n                AppendEndpointPath(baseUrl, \"chat/completions\", \"chat/completions\"),\n                apiKey,\n                new\n                {\n                    model = modelId,\n                    max_tokens = 1,\n                    stream = false,\n                    messages = new[]\n                    {\n                        new { role = \"user\", content = \"ping\" }\n                    }\n                })\n        };\n    }\n\n    private static JsonObject CreateDeepSeekConnectivityBody(string modelId, AiModelConfig? model)\n    {\n        var body = new JsonObject\n        {\n            [\"model\"] = modelId,\n            [\"max_tokens\"] = 1,\n            [\"stream\"] = false,\n            [\"messages\"] = new JsonArray\n            {\n                new JsonObject\n                {\n                    [\"role\"] = \"user\",\n                    [\"content\"] = \"ping\"\n                }\n            }\n        };\n\n        if (model?.SupportsThinking == true &&\n            !string.IsNullOrWhiteSpace(model.ThinkingConfigJson))\n        {\n            try\n            {\n                if (JsonNode.Parse(model.ThinkingConfigJson) is JsonObject config &&\n                    config[\"bodyParams\"] is JsonObject bodyParams)\n                {\n                    foreach (var pair in bodyParams)\n                    {\n                        body[pair.Key] = pair.Value?.DeepClone();\n                    }\n                }\n            }\n            catch (JsonException)\n            {\n                // Connectivity checks should still verify the base protocol if model metadata is malformed.\n            }\n        }\n\n        return body;\n    }\n\n    private static HttpRequestMessage CreateAzureOpenAIConnectivityRequest(\n        string baseUrl,\n        string? apiKey,\n        string modelId)\n    {\n        var endpoint = baseUrl.Contains(\"/chat/completions\", StringComparison.OrdinalIgnoreCase)\n            ? baseUrl\n            : $\"{baseUrl.TrimEnd('/')}/openai/deployments/{Uri.EscapeDataString(modelId)}/chat/completions?api-version=2024-10-21\";\n        return CreateJsonRequest(\n            HttpMethod.Post,\n            endpoint,\n            apiKey,\n            new\n            {\n                max_tokens = 1,\n                stream = false,\n                messages = new[]\n                {\n                    new { role = \"user\", content = \"ping\" }\n                }\n            },\n            message =>\n            {\n                message.Headers.Remove(\"Authorization\");\n                if (!string.IsNullOrWhiteSpace(apiKey))\n                {\n                    message.Headers.Add(\"api-key\", apiKey);\n                }\n            });\n    }\n\n    private static HttpRequestMessage CreateJsonRequest(\n        HttpMethod method,\n        string endpoint,\n        string? apiKey,\n        object body,\n        Action<HttpRequestMessage>? configure = null)\n    {\n        var message = new HttpRequestMessage(method, endpoint)\n        {\n            Content = new StringContent(\n                JsonSerializer.Serialize(body),\n                Encoding.UTF8,\n                \"application/json\")\n        };\n\n        if (!string.IsNullOrWhiteSpace(apiKey))\n        {\n            message.Headers.Authorization = new AuthenticationHeaderValue(\"Bearer\", apiKey);\n        }\n\n        configure?.Invoke(message);\n        return message;\n    }\n\n    private static string NormalizeConnectivityBaseUrl(string? baseUrl, string providerType)\n    {\n        if (!string.IsNullOrWhiteSpace(baseUrl))\n        {\n            var normalized = baseUrl.Trim().TrimEnd('/');\n            return AiProviderResolver.NormalizeProviderType(providerType).Equals(\"Anthropic\", StringComparison.OrdinalIgnoreCase) &&\n                   normalized.EndsWith(\"/v1\", StringComparison.OrdinalIgnoreCase)\n                ? normalized[..^3]\n                : normalized;\n        }\n\n        return AiProviderResolver.NormalizeProviderType(providerType) switch\n        {\n            \"Anthropic\" => \"https://api.anthropic.com\",\n            \"DeepSeekOpenAI\" => \"https://api.deepseek.com/v1\",\n            _ => \"https://api.openai.com/v1\"\n        };\n    }\n\n    private static string AppendEndpointPath(string baseUrl, string path, string terminalPath)\n    {\n        var trimmed = baseUrl.TrimEnd('/');\n        if (trimmed.EndsWith($\"/{terminalPath}\", StringComparison.OrdinalIgnoreCase))\n        {\n            return trimmed;\n        }\n\n        return $\"{trimmed}/{path.TrimStart('/')}\";\n    }\n\n    private static string CreateModelBindingKey(string providerId, string modelId)\n    {\n        return $\"{providerId}:{modelId}\";\n    }\n\n    private static AiProviderConfigDto MapAiProvider(AiProviderConfig provider)\n    {\n        return new AiProviderConfigDto\n        {\n            Id = provider.Id,\n            Name = provider.Name,\n            DisplayName = provider.DisplayName,\n            ProviderType = provider.ProviderType,\n            BaseUrl = provider.BaseUrl,\n            HasApiKey = !string.IsNullOrEmpty(provider.ApiKey),\n            AuthType = provider.AuthType,\n            IsBuiltIn = provider.IsBuiltIn,\n            IsActive = provider.IsActive,\n            SupportsModelDiscovery = provider.SupportsModelDiscovery,\n            ModelsEndpoint = provider.ModelsEndpoint,\n            DefaultModelId = provider.DefaultModelId,\n            SystemProxyUrl = provider.SystemProxyUrl,\n            OAuthConfigJson = provider.OAuthConfigJson,\n            ChannelConfigJson = provider.ChannelConfigJson,\n            AccountsJson = provider.AccountsJson,\n            RequestOverridesJson = provider.RequestOverridesJson,\n            IconUrl = provider.IconUrl,\n            Description = provider.Description,\n            SortOrder = provider.SortOrder,\n            CreatedAt = provider.CreatedAt\n        };\n    }\n\n    private static AiModelConfigDto MapAiModel(AiModelConfig model, string? providerName)\n    {\n        return new AiModelConfigDto\n        {\n            Id = model.Id,\n            ProviderId = model.ProviderId,\n            ProviderName = providerName,\n            ModelId = model.ModelId,\n            Name = model.Name,\n            DisplayName = model.DisplayName,\n            ModelType = model.ModelType,\n            ProviderType = model.ProviderType,\n            ContextWindow = model.ContextWindow,\n            MaxOutputTokens = model.MaxOutputTokens,\n            InputTokenPrice = model.InputTokenPrice,\n            OutputTokenPrice = model.OutputTokenPrice,\n            SupportsThinking = model.SupportsThinking,\n            SupportsVision = model.SupportsVision,\n            SupportsTools = model.SupportsTools,\n            SupportsJsonMode = model.SupportsJsonMode,\n            IsDefault = model.IsDefault,\n            IsActive = model.IsActive,\n            CapabilitiesJson = model.CapabilitiesJson,\n            ThinkingConfigJson = model.ThinkingConfigJson,\n            RequestOverridesJson = model.RequestOverridesJson,\n            TagsJson = model.TagsJson,\n            Description = model.Description,\n            SortOrder = model.SortOrder,\n            CreatedAt = model.CreatedAt\n        };\n    }\n\n    private static IEnumerable<string> EnumerateModelElements(JsonElement root)\n    {\n        var source = root;\n        if (root.ValueKind == JsonValueKind.Object &&\n            root.TryGetProperty(\"data\", out var data) &&\n            data.ValueKind == JsonValueKind.Array)\n        {\n            source = data;\n        }\n\n        if (source.ValueKind != JsonValueKind.Array)\n        {\n            return [];\n        }\n\n        return source.EnumerateArray()\n            .Select(item =>\n            {\n                if (item.ValueKind == JsonValueKind.String)\n                {\n                    return item.GetString();\n                }\n\n                if (item.ValueKind == JsonValueKind.Object &&\n                    item.TryGetProperty(\"id\", out var id) &&\n                    id.ValueKind == JsonValueKind.String)\n                {\n                    return id.GetString();\n                }\n\n                return null;\n            })\n            .Where(id => !string.IsNullOrWhiteSpace(id))\n            .Select(id => id!)\n            .Distinct(StringComparer.OrdinalIgnoreCase);\n    }\n\n    private static string? FindSkillMd(string directory)\n    {\n        var skillMd = Path.Combine(directory, \"SKILL.md\");\n        if (File.Exists(skillMd)) return skillMd;\n        foreach (var subDir in Directory.GetDirectories(directory))\n        {\n            skillMd = Path.Combine(subDir, \"SKILL.md\");\n            if (File.Exists(skillMd)) return skillMd;\n        }\n        return null;\n    }\n\n    private static (Dictionary<string, object?> frontmatter, string body) ParseSkillMd(string content)\n    {\n        var frontmatter = new Dictionary<string, object?>();\n        var body = content;\n        if (content.StartsWith(\"---\"))\n        {\n            var endIndex = content.IndexOf(\"---\", 3);\n            if (endIndex > 0)\n            {\n                var yamlContent = content[3..endIndex].Trim();\n                body = content[(endIndex + 3)..].Trim();\n                try\n                {\n                    var deserializer = new DeserializerBuilder().WithNamingConvention(HyphenatedNamingConvention.Instance).Build();\n                    frontmatter = deserializer.Deserialize<Dictionary<string, object?>>(yamlContent) ?? new();\n                }\n                catch { }\n            }\n        }\n        return (frontmatter, body);\n    }\n\n    private static List<SkillFileInfo> ListDirectoryFiles(string directory)\n    {\n        var files = new List<SkillFileInfo>();\n        if (!Directory.Exists(directory)) return files;\n        foreach (var file in Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories))\n        {\n            var info = new FileInfo(file);\n            files.Add(new SkillFileInfo { FileName = info.Name, RelativePath = Path.GetRelativePath(directory, file), Size = info.Length, LastModified = info.LastWriteTimeUtc });\n        }\n        return files;\n    }\n\n    private static long CalculateDirectorySize(string directory) =>\n        !Directory.Exists(directory) ? 0 : Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories).Sum(f => new FileInfo(f).Length);\n}\n"}, "fd912a9226f6232662cbc3869dd5463061972c6e": {"t": 1785760377.6029134, "n": 18803, "h": "870838350e5cf6f5", "c": "using System.IO.Compression;\nusing System.Text.RegularExpressions;\nusing Microsoft.EntityFrameworkCore;\nusing OpenDeepWiki.EFCore;\nusing OpenDeepWiki.Entities;\nusing OpenDeepWiki.Entities.Tools;\nusing OpenDeepWiki.Models.Admin;\nusing YamlDotNet.Serialization;\nusing YamlDotNet.Serialization.NamingConventions;\n\nnamespace OpenDeepWiki.Services.Admin;\n\npublic class AdminToolsService : IAdminToolsService\n{\n    private readonly IContext _context;\n    private readonly ILogger<AdminToolsService> _logger;\n    private readonly string _skillsBasePath;\n\n    public AdminToolsService(IContext context, ILogger<AdminToolsService> logger, IConfiguration configuration)\n    {\n        _context = context;\n        _logger = logger;\n        _skillsBasePath = configuration[\"Skills:BasePath\"] ?? Path.Combine(AppContext.BaseDirectory, \"skills\");\n        if (!Directory.Exists(_skillsBasePath)) Directory.CreateDirectory(_skillsBasePath);\n    }\n\n    public async Task<List<McpConfigDto>> GetMcpConfigsAsync()\n    {\n        return await _context.McpConfigs.Where(m => !m.IsDeleted).OrderBy(m => m.SortOrder)\n            .Select(m => new McpConfigDto\n            {\n                Id = m.Id, Name = m.Name, Description = m.Description, ServerUrl = m.ServerUrl,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsActive = m.IsActive,\n                SortOrder = m.SortOrder, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<McpConfigDto> CreateMcpConfigAsync(McpConfigRequest request)\n    {\n        var config = new McpConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Description = request.Description,\n            ServerUrl = request.ServerUrl, ApiKey = request.ApiKey, IsActive = request.IsActive,\n            SortOrder = request.SortOrder, CreatedAt = DateTime.UtcNow\n        };\n        _context.McpConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new McpConfigDto\n        {\n            Id = config.Id, Name = config.Name, Description = config.Description,\n            ServerUrl = config.ServerUrl, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsActive = config.IsActive, SortOrder = config.SortOrder, CreatedAt = config.CreatedAt\n        };\n    }\n\n\n    public async Task<bool> UpdateMcpConfigAsync(string id, McpConfigRequest request)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Description = request.Description;\n        config.ServerUrl = request.ServerUrl;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsActive = request.IsActive; config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteMcpConfigAsync(string id)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<SkillConfigDto>> GetSkillConfigsAsync()\n    {\n        var skills = await _context.SkillConfigs\n            .Where(s => !s.IsDeleted)\n            .OrderBy(s => s.SortOrder)\n            .ThenBy(s => s.Name)\n            .ToListAsync();\n\n        var result = new List<SkillConfigDto>(skills.Count);\n        foreach (var skill in skills)\n        {\n            var dto = MapSkillConfig(skill);\n            dto.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n            result.Add(dto);\n        }\n\n        return result;\n    }\n\n    public async Task<SkillDetailDto?> GetSkillDetailAsync(string id)\n    {\n        var skill = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (skill == null) return null;\n        var skillPath = Path.Combine(_skillsBasePath, skill.FolderPath);\n        var detail = new SkillDetailDto(MapSkillConfig(skill));\n        detail.Frontmatter = await LoadSkillFrontmatterAsync(skill);\n        var skillMdPath = Path.Combine(skillPath, \"SKILL.md\");\n        if (File.Exists(skillMdPath)) detail.SkillMdContent = await File.ReadAllTextAsync(skillMdPath);\n        detail.Scripts = ListDirectoryFiles(Path.Combine(skillPath, \"scripts\"));\n        detail.References = ListDirectoryFiles(Path.Combine(skillPath, \"references\"));\n        detail.Assets = ListDirectoryFiles(Path.Combine(skillPath, \"assets\"));\n        return detail;\n    }\n\n    private SkillConfigDto MapSkillConfig(SkillConfig skill)\n    {\n        return new SkillConfigDto\n        {\n            Id = skill.Id,\n            Name = skill.Name,\n            Description = skill.Description,\n            License = skill.License,\n            Compatibility = skill.Compatibility,\n            AllowedTools = skill.AllowedTools,\n            FolderPath = skill.FolderPath,\n            IsActive = skill.IsActive,\n            SortOrder = skill.SortOrder,\n            Author = skill.Author,\n            Version = skill.Version,\n            Source = skill.Source.ToString().ToLower(),\n            SourceUrl = skill.SourceUrl,\n            HasScripts = skill.HasScripts,\n            HasReferences = skill.HasReferences,\n            HasAssets = skill.HasAssets,\n            SkillMdSize = skill.SkillMdSize,\n            TotalSize = skill.TotalSize,\n            CreatedAt = skill.CreatedAt\n        };\n    }\n\n    private async Task<Dictionary<string, object?>> LoadSkillFrontmatterAsync(SkillConfig skill)\n    {\n        try\n        {\n            var skillMdPath = Path.Combine(_skillsBasePath, skill.FolderPath, \"SKILL.md\");\n            if (!File.Exists(skillMdPath))\n            {\n                return new Dictionary<string, object?>();\n            }\n\n            var content = await File.ReadAllTextAsync(skillMdPath);\n            var (frontmatter, _) = ParseSkillMd(content);\n            return frontmatter;\n        }\n        catch (Exception ex)\n        {\n            _logger.LogWarning(ex, \"Failed to load SKILL.md frontmatter for {Skill}\", skill.Name);\n            return new Dictionary<string, object?>();\n        }\n    }\n\n\n    public async Task<SkillConfigDto> UploadSkillAsync(Stream zipStream, string fileName)\n    {\n        var tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());\n        Directory.CreateDirectory(tempDir);\n        try\n        {\n            using (var archive = new ZipArchive(zipStream, ZipArchiveMode.Read))\n                archive.ExtractToDirectory(tempDir);\n            var skillMdPath = FindSkillMd(tempDir) ?? throw new InvalidOperationException(\"压缩包中未找到 SKILL.md\");\n            var skillRootDir = Path.GetDirectoryName(skillMdPath)!;\n            var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n            if (!frontmatter.TryGetValue(\"name\", out var nameObj) || string.IsNullOrEmpty(nameObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 name 字段\");\n            var name = nameObj.ToString()!;\n            if (!Regex.IsMatch(name, @\"^[a-z0-9]+(-[a-z0-9]+)*$\"))\n                throw new InvalidOperationException(\"name 格式无效\");\n            if (!frontmatter.TryGetValue(\"description\", out var descObj) || string.IsNullOrEmpty(descObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 description 字段\");\n            if (await _context.SkillConfigs.AnyAsync(s => s.Name == name && !s.IsDeleted))\n                throw new InvalidOperationException($\"已存在同名 Skill: {name}\");\n            var targetPath = Path.Combine(_skillsBasePath, name);\n            if (Directory.Exists(targetPath)) Directory.Delete(targetPath, true);\n            Directory.Move(skillRootDir, targetPath);\n            var config = new SkillConfig\n            {\n                Id = Guid.NewGuid().ToString(), Name = name, Description = descObj.ToString()!,\n                License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                FolderPath = name, IsActive = true, SortOrder = 0, Version = \"1.0.0\", Source = SkillSource.Local,\n                HasScripts = Directory.Exists(Path.Combine(targetPath, \"scripts\")),\n                HasReferences = Directory.Exists(Path.Combine(targetPath, \"references\")),\n                HasAssets = Directory.Exists(Path.Combine(targetPath, \"assets\")),\n                SkillMdSize = new FileInfo(Path.Combine(targetPath, \"SKILL.md\")).Length,\n                TotalSize = CalculateDirectorySize(targetPath), CreatedAt = DateTime.UtcNow\n            };\n            if (frontmatter.TryGetValue(\"metadata\", out var meta) && meta is Dictionary<object, object> metaDict)\n            {\n                if (metaDict.TryGetValue(\"author\", out var a)) config.Author = a?.ToString();\n                if (metaDict.TryGetValue(\"version\", out var v)) config.Version = v?.ToString() ?? \"1.0.0\";\n            }\n            _context.SkillConfigs.Add(config);\n            await _context.SaveChangesAsync();\n            _logger.LogInformation(\"上传 Skill: {Name}\", name);\n            return new SkillConfigDto\n            {\n                Id = config.Id, Name = config.Name, Description = config.Description, License = config.License,\n                Compatibility = config.Compatibility, AllowedTools = config.AllowedTools, FolderPath = config.FolderPath,\n                IsActive = config.IsActive, SortOrder = config.SortOrder, Author = config.Author, Version = config.Version,\n                Source = config.Source.ToString().ToLower(), HasScripts = config.HasScripts,\n                HasReferences = config.HasReferences, HasAssets = config.HasAssets,\n                SkillMdSize = config.SkillMdSize, TotalSize = config.TotalSize, CreatedAt = config.CreatedAt\n            };\n        }\n        finally { if (Directory.Exists(tempDir)) try { Directory.Delete(tempDir, true); } catch { } }\n    }\n\n    public async Task<bool> UpdateSkillAsync(string id, SkillUpdateRequest request)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        if (request.IsActive.HasValue) config.IsActive = request.IsActive.Value;\n        if (request.SortOrder.HasValue) config.SortOrder = request.SortOrder.Value;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteSkillAsync(string id)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        var skillPath = Path.Combine(_skillsBasePath, config.FolderPath);\n        if (Directory.Exists(skillPath)) Directory.Delete(skillPath, true);\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        _logger.LogInformation(\"删除 Skill: {Name}\", config.Name);\n        return true;\n    }\n\n    public async Task<string?> GetSkillFileContentAsync(string id, string filePath)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return null;\n        var normalizedPath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath, filePath));\n        var skillBasePath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath));\n        if (!normalizedPath.StartsWith(skillBasePath)) throw new UnauthorizedAccessException(\"非法路径\");\n        return File.Exists(normalizedPath) ? await File.ReadAllTextAsync(normalizedPath) : null;\n    }\n\n\n    public async Task RefreshSkillsFromDiskAsync()\n    {\n        if (!Directory.Exists(_skillsBasePath)) return;\n        var existingNames = (await _context.SkillConfigs.Where(s => !s.IsDeleted).ToListAsync()).Select(s => s.Name).ToHashSet();\n        foreach (var dir in Directory.GetDirectories(_skillsBasePath))\n        {\n            var skillMdPath = Path.Combine(dir, \"SKILL.md\");\n            if (!File.Exists(skillMdPath)) continue;\n            var folderName = Path.GetFileName(dir);\n            if (existingNames.Contains(folderName)) continue;\n            try\n            {\n                var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n                if (!frontmatter.TryGetValue(\"name\", out var nameObj)) continue;\n                var name = nameObj?.ToString();\n                if (string.IsNullOrEmpty(name) || name != folderName) continue;\n                if (!frontmatter.TryGetValue(\"description\", out var descObj)) continue;\n                var config = new SkillConfig\n                {\n                    Id = Guid.NewGuid().ToString(), Name = name, Description = descObj?.ToString() ?? \"\",\n                    License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                    Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                    AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                    FolderPath = folderName, IsActive = true,\n                    HasScripts = Directory.Exists(Path.Combine(dir, \"scripts\")),\n                    HasReferences = Directory.Exists(Path.Combine(dir, \"references\")),\n                    HasAssets = Directory.Exists(Path.Combine(dir, \"assets\")),\n                    SkillMdSize = new FileInfo(skillMdPath).Length,\n                    TotalSize = CalculateDirectorySize(dir), CreatedAt = DateTime.UtcNow\n                };\n                _context.SkillConfigs.Add(config);\n                _logger.LogInformation(\"发现 Skill: {Name}\", name);\n            }\n            catch (Exception ex) { _logger.LogWarning(ex, \"解析失败: {Path}\", dir); }\n        }\n        await _context.SaveChangesAsync();\n    }\n\n    public async Task<List<ModelConfigDto>> GetModelConfigsAsync()\n    {\n        return await _context.ModelConfigs.Where(m => !m.IsDeleted).OrderByDescending(m => m.IsDefault).ThenBy(m => m.Name)\n            .Select(m => new ModelConfigDto\n            {\n                Id = m.Id, Name = m.Name, Provider = m.Provider, ModelId = m.ModelId, Endpoint = m.Endpoint,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsDefault = m.IsDefault, IsActive = m.IsActive,\n                Description = m.Description, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<ModelConfigDto> CreateModelConfigAsync(ModelConfigRequest request)\n    {\n        var config = new ModelConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Provider = request.Provider,\n            ModelId = request.ModelId, Endpoint = request.Endpoint, ApiKey = request.ApiKey,\n            IsDefault = request.IsDefault, IsActive = request.IsActive, Description = request.Description,\n            CreatedAt = DateTime.UtcNow\n        };\n        _context.ModelConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new ModelConfigDto\n        {\n            Id = config.Id, Name = config.Name, Provider = config.Provider, ModelId = config.ModelId,\n            Endpoint = config.Endpoint, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsDefault = config.IsDefault, IsActive = config.IsActive, Description = config.Description,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateModelConfigAsync(string id, ModelConfigRequest request)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Provider = request.Provider; config.ModelId = request.ModelId;\n        config.Endpoint = request.Endpoint;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsDefault = request.IsDefault; config.IsActive = request.IsActive;\n        config.Description = request.Description; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteModelConfigAsync(string id)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    private static string? FindSkillMd(string directory)\n    {\n        var skillMd = Path.Combine(directory, \"SKILL.md\");\n        if (File.Exists(skillMd)) return skillMd;\n        foreach (var subDir in Directory.GetDirectories(directory))\n        {\n            skillMd = Path.Combine(subDir, \"SKILL.md\");\n            if (File.Exists(skillMd)) return skillMd;\n        }\n        return null;\n    }\n\n    private static (Dictionary<string, object?> frontmatter, string body) ParseSkillMd(string content)\n    {\n        var frontmatter = new Dictionary<string, object?>();\n        var body = content;\n        if (content.StartsWith(\"---\"))\n        {\n            var endIndex = content.IndexOf(\"---\", 3);\n            if (endIndex > 0)\n            {\n                var yamlContent = content[3..endIndex].Trim();\n                body = content[(endIndex + 3)..].Trim();\n                try\n                {\n                    var deserializer = new DeserializerBuilder().WithNamingConvention(HyphenatedNamingConvention.Instance).Build();\n                    frontmatter = deserializer.Deserialize<Dictionary<string, object?>>(yamlContent) ?? new();\n                }\n                catch { }\n            }\n        }\n        return (frontmatter, body);\n    }\n\n    private static List<SkillFileInfo> ListDirectoryFiles(string directory)\n    {\n        var files = new List<SkillFileInfo>();\n        if (!Directory.Exists(directory)) return files;\n        foreach (var file in Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories))\n        {\n            var info = new FileInfo(file);\n            files.Add(new SkillFileInfo { FileName = info.Name, RelativePath = Path.GetRelativePath(directory, file), Size = info.Length, LastModified = info.LastWriteTimeUtc });\n        }\n        return files;\n    }\n\n    private static long CalculateDirectorySize(string directory) =>\n        !Directory.Exists(directory) ? 0 : Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories).Sum(f => new FileInfo(f).Length);\n}\n"}, "cfa0cc80cf86b9e32124f8fc157e83aa5dbc0757": {"t": 1785760378.9118087, "n": 18029, "h": "3d5eeace6d4914eb", "c": "using System.IO.Compression;\nusing System.Text.RegularExpressions;\nusing Microsoft.EntityFrameworkCore;\nusing OpenDeepWiki.EFCore;\nusing OpenDeepWiki.Entities;\nusing OpenDeepWiki.Entities.Tools;\nusing OpenDeepWiki.Models.Admin;\nusing YamlDotNet.Serialization;\nusing YamlDotNet.Serialization.NamingConventions;\n\nnamespace OpenDeepWiki.Services.Admin;\n\npublic class AdminToolsService : IAdminToolsService\n{\n    private readonly IContext _context;\n    private readonly ILogger<AdminToolsService> _logger;\n    private readonly string _skillsBasePath;\n\n    public AdminToolsService(IContext context, ILogger<AdminToolsService> logger, IConfiguration configuration)\n    {\n        _context = context;\n        _logger = logger;\n        _skillsBasePath = configuration[\"Skills:BasePath\"] ?? Path.Combine(AppContext.BaseDirectory, \"skills\");\n        if (!Directory.Exists(_skillsBasePath)) Directory.CreateDirectory(_skillsBasePath);\n    }\n\n    public async Task<List<McpConfigDto>> GetMcpConfigsAsync()\n    {\n        return await _context.McpConfigs.Where(m => !m.IsDeleted).OrderBy(m => m.SortOrder)\n            .Select(m => new McpConfigDto\n            {\n                Id = m.Id, Name = m.Name, Description = m.Description, ServerUrl = m.ServerUrl,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsActive = m.IsActive,\n                SortOrder = m.SortOrder, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<McpConfigDto> CreateMcpConfigAsync(McpConfigRequest request)\n    {\n        var config = new McpConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Description = request.Description,\n            ServerUrl = request.ServerUrl, ApiKey = request.ApiKey, IsActive = request.IsActive,\n            SortOrder = request.SortOrder, CreatedAt = DateTime.UtcNow\n        };\n        _context.McpConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new McpConfigDto\n        {\n            Id = config.Id, Name = config.Name, Description = config.Description,\n            ServerUrl = config.ServerUrl, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsActive = config.IsActive, SortOrder = config.SortOrder, CreatedAt = config.CreatedAt\n        };\n    }\n\n\n    public async Task<bool> UpdateMcpConfigAsync(string id, McpConfigRequest request)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Description = request.Description;\n        config.ServerUrl = request.ServerUrl;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsActive = request.IsActive; config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteMcpConfigAsync(string id)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<List<SkillConfigDto>> GetSkillConfigsAsync()\n    {\n        return await _context.SkillConfigs.Where(s => !s.IsDeleted).OrderBy(s => s.SortOrder).ThenBy(s => s.Name)\n            .Select(s => new SkillConfigDto\n            {\n                Id = s.Id, Name = s.Name, Description = s.Description, License = s.License,\n                Compatibility = s.Compatibility, AllowedTools = s.AllowedTools, FolderPath = s.FolderPath,\n                IsActive = s.IsActive, SortOrder = s.SortOrder, Author = s.Author, Version = s.Version,\n                Source = s.Source.ToString().ToLower(), SourceUrl = s.SourceUrl,\n                HasScripts = s.HasScripts, HasReferences = s.HasReferences, HasAssets = s.HasAssets,\n                SkillMdSize = s.SkillMdSize, TotalSize = s.TotalSize, CreatedAt = s.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<SkillDetailDto?> GetSkillDetailAsync(string id)\n    {\n        var skill = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (skill == null) return null;\n        var skillPath = Path.Combine(_skillsBasePath, skill.FolderPath);\n        var detail = new SkillDetailDto\n        {\n            Id = skill.Id, Name = skill.Name, Description = skill.Description, License = skill.License,\n            Compatibility = skill.Compatibility, AllowedTools = skill.AllowedTools, FolderPath = skill.FolderPath,\n            IsActive = skill.IsActive, SortOrder = skill.SortOrder, Author = skill.Author, Version = skill.Version,\n            Source = skill.Source.ToString().ToLower(), SourceUrl = skill.SourceUrl,\n            HasScripts = skill.HasScripts, HasReferences = skill.HasReferences, HasAssets = skill.HasAssets,\n            SkillMdSize = skill.SkillMdSize, TotalSize = skill.TotalSize, CreatedAt = skill.CreatedAt\n        };\n        var skillMdPath = Path.Combine(skillPath, \"SKILL.md\");\n        if (File.Exists(skillMdPath)) detail.SkillMdContent = await File.ReadAllTextAsync(skillMdPath);\n        detail.Scripts = ListDirectoryFiles(Path.Combine(skillPath, \"scripts\"));\n        detail.References = ListDirectoryFiles(Path.Combine(skillPath, \"references\"));\n        detail.Assets = ListDirectoryFiles(Path.Combine(skillPath, \"assets\"));\n        return detail;\n    }\n\n\n    public async Task<SkillConfigDto> UploadSkillAsync(Stream zipStream, string fileName)\n    {\n        var tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());\n        Directory.CreateDirectory(tempDir);\n        try\n        {\n            using (var archive = new ZipArchive(zipStream, ZipArchiveMode.Read))\n                archive.ExtractToDirectory(tempDir);\n            var skillMdPath = FindSkillMd(tempDir) ?? throw new InvalidOperationException(\"压缩包中未找到 SKILL.md\");\n            var skillRootDir = Path.GetDirectoryName(skillMdPath)!;\n            var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n            if (!frontmatter.TryGetValue(\"name\", out var nameObj) || string.IsNullOrEmpty(nameObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 name 字段\");\n            var name = nameObj.ToString()!;\n            if (!Regex.IsMatch(name, @\"^[a-z0-9]+(-[a-z0-9]+)*$\"))\n                throw new InvalidOperationException(\"name 格式无效\");\n            if (!frontmatter.TryGetValue(\"description\", out var descObj) || string.IsNullOrEmpty(descObj?.ToString()))\n                throw new InvalidOperationException(\"SKILL.md 缺少 description 字段\");\n            if (await _context.SkillConfigs.AnyAsync(s => s.Name == name && !s.IsDeleted))\n                throw new InvalidOperationException($\"已存在同名 Skill: {name}\");\n            var targetPath = Path.Combine(_skillsBasePath, name);\n            if (Directory.Exists(targetPath)) Directory.Delete(targetPath, true);\n            Directory.Move(skillRootDir, targetPath);\n            var config = new SkillConfig\n            {\n                Id = Guid.NewGuid().ToString(), Name = name, Description = descObj.ToString()!,\n                License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                FolderPath = name, IsActive = true, SortOrder = 0, Version = \"1.0.0\", Source = SkillSource.Local,\n                HasScripts = Directory.Exists(Path.Combine(targetPath, \"scripts\")),\n                HasReferences = Directory.Exists(Path.Combine(targetPath, \"references\")),\n                HasAssets = Directory.Exists(Path.Combine(targetPath, \"assets\")),\n                SkillMdSize = new FileInfo(Path.Combine(targetPath, \"SKILL.md\")).Length,\n                TotalSize = CalculateDirectorySize(targetPath), CreatedAt = DateTime.UtcNow\n            };\n            if (frontmatter.TryGetValue(\"metadata\", out var meta) && meta is Dictionary<object, object> metaDict)\n            {\n                if (metaDict.TryGetValue(\"author\", out var a)) config.Author = a?.ToString();\n                if (metaDict.TryGetValue(\"version\", out var v)) config.Version = v?.ToString() ?? \"1.0.0\";\n            }\n            _context.SkillConfigs.Add(config);\n            await _context.SaveChangesAsync();\n            _logger.LogInformation(\"上传 Skill: {Name}\", name);\n            return new SkillConfigDto\n            {\n                Id = config.Id, Name = config.Name, Description = config.Description, License = config.License,\n                Compatibility = config.Compatibility, AllowedTools = config.AllowedTools, FolderPath = config.FolderPath,\n                IsActive = config.IsActive, SortOrder = config.SortOrder, Author = config.Author, Version = config.Version,\n                Source = config.Source.ToString().ToLower(), HasScripts = config.HasScripts,\n                HasReferences = config.HasReferences, HasAssets = config.HasAssets,\n                SkillMdSize = config.SkillMdSize, TotalSize = config.TotalSize, CreatedAt = config.CreatedAt\n            };\n        }\n        finally { if (Directory.Exists(tempDir)) try { Directory.Delete(tempDir, true); } catch { } }\n    }\n\n    public async Task<bool> UpdateSkillAsync(string id, SkillUpdateRequest request)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        if (request.IsActive.HasValue) config.IsActive = request.IsActive.Value;\n        if (request.SortOrder.HasValue) config.SortOrder = request.SortOrder.Value;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteSkillAsync(string id)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n        var skillPath = Path.Combine(_skillsBasePath, config.FolderPath);\n        if (Directory.Exists(skillPath)) Directory.Delete(skillPath, true);\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        _logger.LogInformation(\"删除 Skill: {Name}\", config.Name);\n        return true;\n    }\n\n    public async Task<string?> GetSkillFileContentAsync(string id, string filePath)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return null;\n        var normalizedPath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath, filePath));\n        var skillBasePath = Path.GetFullPath(Path.Combine(_skillsBasePath, config.FolderPath));\n        if (!normalizedPath.StartsWith(skillBasePath)) throw new UnauthorizedAccessException(\"非法路径\");\n        return File.Exists(normalizedPath) ? await File.ReadAllTextAsync(normalizedPath) : null;\n    }\n\n\n    public async Task RefreshSkillsFromDiskAsync()\n    {\n        if (!Directory.Exists(_skillsBasePath)) return;\n        var existingNames = (await _context.SkillConfigs.Where(s => !s.IsDeleted).ToListAsync()).Select(s => s.Name).ToHashSet();\n        foreach (var dir in Directory.GetDirectories(_skillsBasePath))\n        {\n            var skillMdPath = Path.Combine(dir, \"SKILL.md\");\n            if (!File.Exists(skillMdPath)) continue;\n            var folderName = Path.GetFileName(dir);\n            if (existingNames.Contains(folderName)) continue;\n            try\n            {\n                var (frontmatter, _) = ParseSkillMd(await File.ReadAllTextAsync(skillMdPath));\n                if (!frontmatter.TryGetValue(\"name\", out var nameObj)) continue;\n                var name = nameObj?.ToString();\n                if (string.IsNullOrEmpty(name) || name != folderName) continue;\n                if (!frontmatter.TryGetValue(\"description\", out var descObj)) continue;\n                var config = new SkillConfig\n                {\n                    Id = Guid.NewGuid().ToString(), Name = name, Description = descObj?.ToString() ?? \"\",\n                    License = frontmatter.TryGetValue(\"license\", out var l) ? l?.ToString() : null,\n                    Compatibility = frontmatter.TryGetValue(\"compatibility\", out var c) ? c?.ToString() : null,\n                    AllowedTools = frontmatter.TryGetValue(\"allowed-tools\", out var t) ? t?.ToString() : null,\n                    FolderPath = folderName, IsActive = true,\n                    HasScripts = Directory.Exists(Path.Combine(dir, \"scripts\")),\n                    HasReferences = Directory.Exists(Path.Combine(dir, \"references\")),\n                    HasAssets = Directory.Exists(Path.Combine(dir, \"assets\")),\n                    SkillMdSize = new FileInfo(skillMdPath).Length,\n                    TotalSize = CalculateDirectorySize(dir), CreatedAt = DateTime.UtcNow\n                };\n                _context.SkillConfigs.Add(config);\n                _logger.LogInformation(\"发现 Skill: {Name}\", name);\n            }\n            catch (Exception ex) { _logger.LogWarning(ex, \"解析失败: {Path}\", dir); }\n        }\n        await _context.SaveChangesAsync();\n    }\n\n    public async Task<List<ModelConfigDto>> GetModelConfigsAsync()\n    {\n        return await _context.ModelConfigs.Where(m => !m.IsDeleted).OrderByDescending(m => m.IsDefault).ThenBy(m => m.Name)\n            .Select(m => new ModelConfigDto\n            {\n                Id = m.Id, Name = m.Name, Provider = m.Provider, ModelId = m.ModelId, Endpoint = m.Endpoint,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey), IsDefault = m.IsDefault, IsActive = m.IsActive,\n                Description = m.Description, CreatedAt = m.CreatedAt\n            }).ToListAsync();\n    }\n\n    public async Task<ModelConfigDto> CreateModelConfigAsync(ModelConfigRequest request)\n    {\n        var config = new ModelConfig\n        {\n            Id = Guid.NewGuid().ToString(), Name = request.Name, Provider = request.Provider,\n            ModelId = request.ModelId, Endpoint = request.Endpoint, ApiKey = request.ApiKey,\n            IsDefault = request.IsDefault, IsActive = request.IsActive, Description = request.Description,\n            CreatedAt = DateTime.UtcNow\n        };\n        _context.ModelConfigs.Add(config);\n        await _context.SaveChangesAsync();\n        return new ModelConfigDto\n        {\n            Id = config.Id, Name = config.Name, Provider = config.Provider, ModelId = config.ModelId,\n            Endpoint = config.Endpoint, HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsDefault = config.IsDefault, IsActive = config.IsActive, Description = config.Description,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateModelConfigAsync(string id, ModelConfigRequest request)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.Name = request.Name; config.Provider = request.Provider; config.ModelId = request.ModelId;\n        config.Endpoint = request.Endpoint;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsDefault = request.IsDefault; config.IsActive = request.IsActive;\n        config.Description = request.Description; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteModelConfigAsync(string id)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n        config.IsDeleted = true; config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    private static string? FindSkillMd(string directory)\n    {\n        var skillMd = Path.Combine(directory, \"SKILL.md\");\n        if (File.Exists(skillMd)) return skillMd;\n        foreach (var subDir in Directory.GetDirectories(directory))\n        {\n            skillMd = Path.Combine(subDir, \"SKILL.md\");\n            if (File.Exists(skillMd)) return skillMd;\n        }\n        return null;\n    }\n\n    private static (Dictionary<string, object?> frontmatter, string body) ParseSkillMd(string content)\n    {\n        var frontmatter = new Dictionary<string, object?>();\n        var body = content;\n        if (content.StartsWith(\"---\"))\n        {\n            var endIndex = content.IndexOf(\"---\", 3);\n            if (endIndex > 0)\n            {\n                var yamlContent = content[3..endIndex].Trim();\n                body = content[(endIndex + 3)..].Trim();\n                try\n                {\n                    var deserializer = new DeserializerBuilder().WithNamingConvention(HyphenatedNamingConvention.Instance).Build();\n                    frontmatter = deserializer.Deserialize<Dictionary<string, object?>>(yamlContent) ?? new();\n                }\n                catch { }\n            }\n        }\n        return (frontmatter, body);\n    }\n\n    private static List<SkillFileInfo> ListDirectoryFiles(string directory)\n    {\n        var files = new List<SkillFileInfo>();\n        if (!Directory.Exists(directory)) return files;\n        foreach (var file in Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories))\n        {\n            var info = new FileInfo(file);\n            files.Add(new SkillFileInfo { FileName = info.Name, RelativePath = Path.GetRelativePath(directory, file), Size = info.Length, LastModified = info.LastWriteTimeUtc });\n        }\n        return files;\n    }\n\n    private static long CalculateDirectorySize(string directory) =>\n        !Directory.Exists(directory) ? 0 : Directory.GetFiles(directory, \"*\", SearchOption.AllDirectories).Sum(f => new FileInfo(f).Length);\n}\n"}, "5dcff93f5215a5259e39f6359bed754c177789d6": {"t": 1785760380.7009604, "n": 8440, "h": "48f8a9903e47a0b9", "c": "using Microsoft.EntityFrameworkCore;\nusing OpenDeepWiki.EFCore;\nusing OpenDeepWiki.Entities;\nusing OpenDeepWiki.Models.Admin;\n\nnamespace OpenDeepWiki.Services.Admin;\n\n/// <summary>\n/// 管理端工具配置服务实现\n/// </summary>\npublic class AdminToolsService : IAdminToolsService\n{\n    private readonly IContext _context;\n\n    public AdminToolsService(IContext context)\n    {\n        _context = context;\n    }\n\n    #region MCP 配置\n\n    public async Task<List<McpConfigDto>> GetMcpConfigsAsync()\n    {\n        return await _context.McpConfigs\n            .Where(m => !m.IsDeleted)\n            .OrderBy(m => m.SortOrder)\n            .Select(m => new McpConfigDto\n            {\n                Id = m.Id,\n                Name = m.Name,\n                Description = m.Description,\n                ServerUrl = m.ServerUrl,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey),\n                IsActive = m.IsActive,\n                SortOrder = m.SortOrder,\n                CreatedAt = m.CreatedAt\n            })\n            .ToListAsync();\n    }\n\n    public async Task<McpConfigDto> CreateMcpConfigAsync(McpConfigRequest request)\n    {\n        var config = new McpConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            Name = request.Name,\n            Description = request.Description,\n            ServerUrl = request.ServerUrl,\n            ApiKey = request.ApiKey,\n            IsActive = request.IsActive,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.McpConfigs.Add(config);\n        await _context.SaveChangesAsync();\n\n        return new McpConfigDto\n        {\n            Id = config.Id,\n            Name = config.Name,\n            Description = config.Description,\n            ServerUrl = config.ServerUrl,\n            HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsActive = config.IsActive,\n            SortOrder = config.SortOrder,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateMcpConfigAsync(string id, McpConfigRequest request)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n\n        config.Name = request.Name;\n        config.Description = request.Description;\n        config.ServerUrl = request.ServerUrl;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsActive = request.IsActive;\n        config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteMcpConfigAsync(string id)\n    {\n        var config = await _context.McpConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n\n        config.IsDeleted = true;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    #endregion\n\n    #region Skill 配置\n\n    public async Task<List<SkillConfigDto>> GetSkillConfigsAsync()\n    {\n        return await _context.SkillConfigs\n            .Where(s => !s.IsDeleted)\n            .OrderBy(s => s.SortOrder)\n            .Select(s => new SkillConfigDto\n            {\n                Id = s.Id,\n                Name = s.Name,\n                Description = s.Description,\n                PromptTemplate = s.PromptTemplate,\n                IsActive = s.IsActive,\n                SortOrder = s.SortOrder,\n                CreatedAt = s.CreatedAt\n            })\n            .ToListAsync();\n    }\n\n    public async Task<SkillConfigDto> CreateSkillConfigAsync(SkillConfigRequest request)\n    {\n        var config = new SkillConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            Name = request.Name,\n            Description = request.Description,\n            PromptTemplate = request.PromptTemplate,\n            IsActive = request.IsActive,\n            SortOrder = request.SortOrder,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.SkillConfigs.Add(config);\n        await _context.SaveChangesAsync();\n\n        return new SkillConfigDto\n        {\n            Id = config.Id,\n            Name = config.Name,\n            Description = config.Description,\n            PromptTemplate = config.PromptTemplate,\n            IsActive = config.IsActive,\n            SortOrder = config.SortOrder,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateSkillConfigAsync(string id, SkillConfigRequest request)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n\n        config.Name = request.Name;\n        config.Description = request.Description;\n        config.PromptTemplate = request.PromptTemplate;\n        config.IsActive = request.IsActive;\n        config.SortOrder = request.SortOrder;\n        config.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteSkillConfigAsync(string id)\n    {\n        var config = await _context.SkillConfigs.FirstOrDefaultAsync(s => s.Id == id && !s.IsDeleted);\n        if (config == null) return false;\n\n        config.IsDeleted = true;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    #endregion\n\n    #region 模型配置\n\n    public async Task<List<ModelConfigDto>> GetModelConfigsAsync()\n    {\n        return await _context.ModelConfigs\n            .Where(m => !m.IsDeleted)\n            .OrderByDescending(m => m.IsDefault)\n            .ThenBy(m => m.Name)\n            .Select(m => new ModelConfigDto\n            {\n                Id = m.Id,\n                Name = m.Name,\n                Provider = m.Provider,\n                ModelId = m.ModelId,\n                Endpoint = m.Endpoint,\n                HasApiKey = !string.IsNullOrEmpty(m.ApiKey),\n                IsDefault = m.IsDefault,\n                IsActive = m.IsActive,\n                Description = m.Description,\n                CreatedAt = m.CreatedAt\n            })\n            .ToListAsync();\n    }\n\n    public async Task<ModelConfigDto> CreateModelConfigAsync(ModelConfigRequest request)\n    {\n        var config = new ModelConfig\n        {\n            Id = Guid.NewGuid().ToString(),\n            Name = request.Name,\n            Provider = request.Provider,\n            ModelId = request.ModelId,\n            Endpoint = request.Endpoint,\n            ApiKey = request.ApiKey,\n            IsDefault = request.IsDefault,\n            IsActive = request.IsActive,\n            Description = request.Description,\n            CreatedAt = DateTime.UtcNow\n        };\n\n        _context.ModelConfigs.Add(config);\n        await _context.SaveChangesAsync();\n\n        return new ModelConfigDto\n        {\n            Id = config.Id,\n            Name = config.Name,\n            Provider = config.Provider,\n            ModelId = config.ModelId,\n            Endpoint = config.Endpoint,\n            HasApiKey = !string.IsNullOrEmpty(config.ApiKey),\n            IsDefault = config.IsDefault,\n            IsActive = config.IsActive,\n            Description = config.Description,\n            CreatedAt = config.CreatedAt\n        };\n    }\n\n    public async Task<bool> UpdateModelConfigAsync(string id, ModelConfigRequest request)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n\n        config.Name = request.Name;\n        config.Provider = request.Provider;\n        config.ModelId = request.ModelId;\n        config.Endpoint = request.Endpoint;\n        if (request.ApiKey != null) config.ApiKey = request.ApiKey;\n        config.IsDefault = request.IsDefault;\n        config.IsActive = request.IsActive;\n        config.Description = request.Description;\n        config.UpdatedAt = DateTime.UtcNow;\n\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    public async Task<bool> DeleteModelConfigAsync(string id)\n    {\n        var config = await _context.ModelConfigs.FirstOrDefaultAsync(m => m.Id == id && !m.IsDeleted);\n        if (config == null) return false;\n\n        config.IsDeleted = true;\n        config.UpdatedAt = DateTime.UtcNow;\n        await _context.SaveChangesAsync();\n        return true;\n    }\n\n    #endregion\n}"}}, "tests/OpenDeepWiki.Tests/Agents/DeepSeekOpenAIChatClientTests.cs": {"6eb5222d25487362fcd411891fad9027f7840f96": {"t": 1785746205.0502486, "n": 14234, "h": "87d29f1b6eb2eabe", "c": "using System.Net;\nusing System.Text;\nusing System.Text.Json;\nusing Microsoft.Extensions.AI;\nusing OpenDeepWiki.Agents;\nusing Xunit;\n\nnamespace OpenDeepWiki.Tests.Agents;\n\npublic class DeepSeekOpenAIChatClientTests\n{\n    [Fact]\n    public async Task GetResponseAsync_AppliesThinkingBodyParamsByDefault()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\n              \"id\":\"chatcmpl-test\",\n              \"model\":\"deepseek-v4-flash\",\n              \"created\":1700000000,\n              \"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}],\n              \"usage\":{\"prompt_tokens\":2,\"completion_tokens\":1,\"total_tokens\":3,\"prompt_tokens_details\":{\"cached_tokens\":1}}\n            }\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        var response = await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.True(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n        Assert.Equal(\"pong\", response.Text);\n        Assert.Equal(3, response.Usage?.TotalTokenCount);\n        Assert.Equal(1, response.Usage?.CachedInputTokenCount);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_CanDisableThinkingFromChatOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"thinkingEnabled\"] = false\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.False(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_IncludesStablePromptCacheKey()\n    {\n        var firstHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-1\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var secondHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var firstClient = CreateClient(firstHandler);\n        var secondClient = CreateClient(secondHandler);\n\n        await firstClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n        await secondClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var firstDocument = JsonDocument.Parse(firstHandler.RequestBodies.Single());\n        using var secondDocument = JsonDocument.Parse(secondHandler.RequestBodies.Single());\n        var firstKey = firstDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n        var secondKey = secondDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n\n        Assert.False(string.IsNullOrWhiteSpace(firstKey));\n        Assert.Equal(firstKey, secondKey);\n        Assert.Equal(\"opendeepwiki\", firstKey);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_UsesPromptCacheKeyFromRequestOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(\n            handler,\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                PromptCacheKey = \"odw:content:repo\"\n            });\n\n        await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.Equal(\"odw:content:repo\", document.RootElement.GetProperty(\"prompt_cache_key\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_ChatOptionsPromptCacheKeyOverridesRequestOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(\n            handler,\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                PromptCacheKey = \"request-key\"\n            });\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"promptCacheKey\"] = \"chat-options-key\"\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.Equal(\"chat-options-key\", document.RootElement.GetProperty(\"prompt_cache_key\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_UsesSpecificToolChoice()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"saved\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n        var writeDoc = AIFunctionFactory.Create(\n            (string content) => $\"saved:{content}\",\n            new AIFunctionFactoryOptions\n            {\n                Name = \"WriteDoc\",\n                Description = \"Persist a Markdown document\"\n            });\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"save\")],\n            new ChatOptions\n            {\n                Tools = [writeDoc],\n                ToolMode = ChatToolMode.RequireSpecific(\"WriteDoc\")\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        var choice = document.RootElement.GetProperty(\"tool_choice\");\n        Assert.Equal(\"function\", choice.GetProperty(\"type\").GetString());\n        Assert.Equal(\"WriteDoc\", choice.GetProperty(\"function\").GetProperty(\"name\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_PrependsInstructionsAsSystemMessage()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                Instructions = \"You are a wiki assistant.\"\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        Assert.Equal(\"system\", messages[0].GetProperty(\"role\").GetString());\n        Assert.Equal(\"You are a wiki assistant.\", messages[0].GetProperty(\"content\").GetString());\n        Assert.Equal(\"user\", messages[1].GetProperty(\"role\").GetString());\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AcceptsDoneSentinelAndMapsUsage()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"hel\"},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"lo\"},\"finish_reason\":\"stop\"}],\"usage\":{\"prompt_tokens\":2,\"completion_tokens\":2,\"total_tokens\":4}}\n\n            data: DONE\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]))\n        {\n            updates.Add(update);\n        }\n\n        Assert.Equal(\"hello\", string.Concat(updates.Select(update => update.Text)));\n        var usage = updates.SelectMany(update => update.Contents).OfType<UsageContent>().Single().Details;\n        Assert.Equal(4, usage.TotalTokenCount);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AccumulatesToolCallDeltas()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"\"}}]},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"function\":{\"arguments\":\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n            data: [DONE]\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var functionCall = updates\n            .SelectMany(update => update.Contents)\n            .OfType<FunctionCallContent>()\n            .Single();\n        Assert.Equal(\"call_1\", functionCall.CallId);\n        Assert.Equal(\"read_file\", functionCall.Name);\n        Assert.NotNull(functionCall.Arguments);\n        var arguments = functionCall.Arguments!;\n        Assert.True(arguments.TryGetValue(\"path\", out var path));\n        Assert.Equal(\"README.md\", path);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_RoundTripsReasoningContentWithToolCalls()\n    {\n        var requestIndex = 0;\n        var handler = new StubHttpMessageHandler(_ => requestIndex++ == 0\n            ? EventStreamResponse(\"\"\"\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"think \"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"more\"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n                data: [DONE]\n\n                \"\"\")\n            : JsonResponse(\"\"\"\n                {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"done\"},\"finish_reason\":\"stop\"}]}\n                \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var reasoning = string.Concat(updates\n            .SelectMany(update => update.Contents)\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        Assert.Equal(\"think more\", reasoning);\n\n        var conversation = new List<ChatMessage>\n        {\n            new(ChatRole.User, \"read\")\n        };\n        conversation.AddMessages(updates);\n        conversation.Add(new ChatMessage(\n            ChatRole.Tool,\n            [new FunctionResultContent(\"call_1\", \"file contents\")]));\n\n        await client.GetResponseAsync(conversation);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies[1]);\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        var assistant = messages.Single(message =>\n            message.GetProperty(\"role\").GetString() == \"assistant\");\n        Assert.Equal(\"think more\", assistant.GetProperty(\"reasoning_content\").GetString());\n        Assert.True(assistant.TryGetProperty(\"tool_calls\", out _));\n    }\n\n    private static DeepSeekOpenAIChatClient CreateClient(\n        StubHttpMessageHandler handler,\n        AiRequestOptions? options = null)\n    {\n        options ??= new AiRequestOptions\n        {\n            SupportsThinking = true,\n            ThinkingConfigJson = \"\"\"\n                {\n                  \"bodyParams\":{\"enable_thinking\":true},\n                  \"disabledBodyParams\":{\"enable_thinking\":false}\n                }\n                \"\"\"\n        };\n\n        return new DeepSeekOpenAIChatClient(\n            \"deepseek-v4-flash\",\n            \"https://api.deepseek.com/v1\",\n            \"test-key\",\n            new HttpClient(handler),\n            options,\n            disposeHttpClient: true);\n    }\n\n    private static HttpResponseMessage JsonResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"application/json\")\n        };\n    }\n\n    private static HttpResponseMessage EventStreamResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"text/event-stream\")\n        };\n    }\n\n    private sealed class StubHttpMessageHandler(\n        Func<HttpRequestMessage, HttpResponseMessage> handle)\n        : HttpMessageHandler\n    {\n        public List<string> RequestBodies { get; } = [];\n\n        protected override async Task<HttpResponseMessage> SendAsync(\n            HttpRequestMessage request,\n            CancellationToken cancellationToken)\n        {\n            RequestBodies.Add(request.Content == null\n                ? string.Empty\n                : await request.Content.ReadAsStringAsync(cancellationToken));\n            return handle(request);\n        }\n    }\n}\n"}, "889b62ad3a932a8b430800378d9f96b05eca4224": {"t": 1785760375.1151369, "n": 14234, "h": "87d29f1b6eb2eabe", "c": "using System.Net;\nusing System.Text;\nusing System.Text.Json;\nusing Microsoft.Extensions.AI;\nusing OpenDeepWiki.Agents;\nusing Xunit;\n\nnamespace OpenDeepWiki.Tests.Agents;\n\npublic class DeepSeekOpenAIChatClientTests\n{\n    [Fact]\n    public async Task GetResponseAsync_AppliesThinkingBodyParamsByDefault()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\n              \"id\":\"chatcmpl-test\",\n              \"model\":\"deepseek-v4-flash\",\n              \"created\":1700000000,\n              \"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}],\n              \"usage\":{\"prompt_tokens\":2,\"completion_tokens\":1,\"total_tokens\":3,\"prompt_tokens_details\":{\"cached_tokens\":1}}\n            }\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        var response = await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.True(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n        Assert.Equal(\"pong\", response.Text);\n        Assert.Equal(3, response.Usage?.TotalTokenCount);\n        Assert.Equal(1, response.Usage?.CachedInputTokenCount);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_CanDisableThinkingFromChatOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"thinkingEnabled\"] = false\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.False(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_IncludesStablePromptCacheKey()\n    {\n        var firstHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-1\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var secondHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var firstClient = CreateClient(firstHandler);\n        var secondClient = CreateClient(secondHandler);\n\n        await firstClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n        await secondClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var firstDocument = JsonDocument.Parse(firstHandler.RequestBodies.Single());\n        using var secondDocument = JsonDocument.Parse(secondHandler.RequestBodies.Single());\n        var firstKey = firstDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n        var secondKey = secondDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n\n        Assert.False(string.IsNullOrWhiteSpace(firstKey));\n        Assert.Equal(firstKey, secondKey);\n        Assert.Equal(\"opendeepwiki\", firstKey);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_UsesPromptCacheKeyFromRequestOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(\n            handler,\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                PromptCacheKey = \"odw:content:repo\"\n            });\n\n        await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.Equal(\"odw:content:repo\", document.RootElement.GetProperty(\"prompt_cache_key\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_ChatOptionsPromptCacheKeyOverridesRequestOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(\n            handler,\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                PromptCacheKey = \"request-key\"\n            });\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"promptCacheKey\"] = \"chat-options-key\"\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.Equal(\"chat-options-key\", document.RootElement.GetProperty(\"prompt_cache_key\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_UsesSpecificToolChoice()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"saved\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n        var writeDoc = AIFunctionFactory.Create(\n            (string content) => $\"saved:{content}\",\n            new AIFunctionFactoryOptions\n            {\n                Name = \"WriteDoc\",\n                Description = \"Persist a Markdown document\"\n            });\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"save\")],\n            new ChatOptions\n            {\n                Tools = [writeDoc],\n                ToolMode = ChatToolMode.RequireSpecific(\"WriteDoc\")\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        var choice = document.RootElement.GetProperty(\"tool_choice\");\n        Assert.Equal(\"function\", choice.GetProperty(\"type\").GetString());\n        Assert.Equal(\"WriteDoc\", choice.GetProperty(\"function\").GetProperty(\"name\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_PrependsInstructionsAsSystemMessage()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                Instructions = \"You are a wiki assistant.\"\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        Assert.Equal(\"system\", messages[0].GetProperty(\"role\").GetString());\n        Assert.Equal(\"You are a wiki assistant.\", messages[0].GetProperty(\"content\").GetString());\n        Assert.Equal(\"user\", messages[1].GetProperty(\"role\").GetString());\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AcceptsDoneSentinelAndMapsUsage()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"hel\"},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"lo\"},\"finish_reason\":\"stop\"}],\"usage\":{\"prompt_tokens\":2,\"completion_tokens\":2,\"total_tokens\":4}}\n\n            data: DONE\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]))\n        {\n            updates.Add(update);\n        }\n\n        Assert.Equal(\"hello\", string.Concat(updates.Select(update => update.Text)));\n        var usage = updates.SelectMany(update => update.Contents).OfType<UsageContent>().Single().Details;\n        Assert.Equal(4, usage.TotalTokenCount);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AccumulatesToolCallDeltas()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"\"}}]},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"function\":{\"arguments\":\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n            data: [DONE]\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var functionCall = updates\n            .SelectMany(update => update.Contents)\n            .OfType<FunctionCallContent>()\n            .Single();\n        Assert.Equal(\"call_1\", functionCall.CallId);\n        Assert.Equal(\"read_file\", functionCall.Name);\n        Assert.NotNull(functionCall.Arguments);\n        var arguments = functionCall.Arguments!;\n        Assert.True(arguments.TryGetValue(\"path\", out var path));\n        Assert.Equal(\"README.md\", path);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_RoundTripsReasoningContentWithToolCalls()\n    {\n        var requestIndex = 0;\n        var handler = new StubHttpMessageHandler(_ => requestIndex++ == 0\n            ? EventStreamResponse(\"\"\"\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"think \"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"more\"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n                data: [DONE]\n\n                \"\"\")\n            : JsonResponse(\"\"\"\n                {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"done\"},\"finish_reason\":\"stop\"}]}\n                \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var reasoning = string.Concat(updates\n            .SelectMany(update => update.Contents)\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        Assert.Equal(\"think more\", reasoning);\n\n        var conversation = new List<ChatMessage>\n        {\n            new(ChatRole.User, \"read\")\n        };\n        conversation.AddMessages(updates);\n        conversation.Add(new ChatMessage(\n            ChatRole.Tool,\n            [new FunctionResultContent(\"call_1\", \"file contents\")]));\n\n        await client.GetResponseAsync(conversation);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies[1]);\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        var assistant = messages.Single(message =>\n            message.GetProperty(\"role\").GetString() == \"assistant\");\n        Assert.Equal(\"think more\", assistant.GetProperty(\"reasoning_content\").GetString());\n        Assert.True(assistant.TryGetProperty(\"tool_calls\", out _));\n    }\n\n    private static DeepSeekOpenAIChatClient CreateClient(\n        StubHttpMessageHandler handler,\n        AiRequestOptions? options = null)\n    {\n        options ??= new AiRequestOptions\n        {\n            SupportsThinking = true,\n            ThinkingConfigJson = \"\"\"\n                {\n                  \"bodyParams\":{\"enable_thinking\":true},\n                  \"disabledBodyParams\":{\"enable_thinking\":false}\n                }\n                \"\"\"\n        };\n\n        return new DeepSeekOpenAIChatClient(\n            \"deepseek-v4-flash\",\n            \"https://api.deepseek.com/v1\",\n            \"test-key\",\n            new HttpClient(handler),\n            options,\n            disposeHttpClient: true);\n    }\n\n    private static HttpResponseMessage JsonResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"application/json\")\n        };\n    }\n\n    private static HttpResponseMessage EventStreamResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"text/event-stream\")\n        };\n    }\n\n    private sealed class StubHttpMessageHandler(\n        Func<HttpRequestMessage, HttpResponseMessage> handle)\n        : HttpMessageHandler\n    {\n        public List<string> RequestBodies { get; } = [];\n\n        protected override async Task<HttpResponseMessage> SendAsync(\n            HttpRequestMessage request,\n            CancellationToken cancellationToken)\n        {\n            RequestBodies.Add(request.Content == null\n                ? string.Empty\n                : await request.Content.ReadAsStringAsync(cancellationToken));\n            return handle(request);\n        }\n    }\n}\n"}, "1f5050c03db13081755e60b2ea722654fb95b84c": {"t": 1785760376.416263, "n": 13016, "h": "86b064d445b55fac", "c": "using System.Net;\nusing System.Text;\nusing System.Text.Json;\nusing Microsoft.Extensions.AI;\nusing OpenDeepWiki.Agents;\nusing Xunit;\n\nnamespace OpenDeepWiki.Tests.Agents;\n\npublic class DeepSeekOpenAIChatClientTests\n{\n    [Fact]\n    public async Task GetResponseAsync_AppliesThinkingBodyParamsByDefault()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\n              \"id\":\"chatcmpl-test\",\n              \"model\":\"deepseek-v4-flash\",\n              \"created\":1700000000,\n              \"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}],\n              \"usage\":{\"prompt_tokens\":2,\"completion_tokens\":1,\"total_tokens\":3,\"prompt_tokens_details\":{\"cached_tokens\":1}}\n            }\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        var response = await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.True(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n        Assert.Equal(\"pong\", response.Text);\n        Assert.Equal(3, response.Usage?.TotalTokenCount);\n        Assert.Equal(1, response.Usage?.CachedInputTokenCount);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_CanDisableThinkingFromChatOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"thinkingEnabled\"] = false\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.False(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_IncludesStablePromptCacheKey()\n    {\n        var firstHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-1\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var secondHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var firstClient = CreateClient(firstHandler);\n        var secondClient = CreateClient(secondHandler);\n\n        await firstClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n        await secondClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var firstDocument = JsonDocument.Parse(firstHandler.RequestBodies.Single());\n        using var secondDocument = JsonDocument.Parse(secondHandler.RequestBodies.Single());\n        var firstKey = firstDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n        var secondKey = secondDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n\n        Assert.False(string.IsNullOrWhiteSpace(firstKey));\n        Assert.Equal(firstKey, secondKey);\n        Assert.Equal(\"opendeepwiki\", firstKey);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_UsesPromptCacheKeyFromRequestOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(\n            handler,\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                PromptCacheKey = \"odw:content:repo\"\n            });\n\n        await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.Equal(\"odw:content:repo\", document.RootElement.GetProperty(\"prompt_cache_key\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_ChatOptionsPromptCacheKeyOverridesRequestOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(\n            handler,\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                PromptCacheKey = \"request-key\"\n            });\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"promptCacheKey\"] = \"chat-options-key\"\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.Equal(\"chat-options-key\", document.RootElement.GetProperty(\"prompt_cache_key\").GetString());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_PrependsInstructionsAsSystemMessage()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                Instructions = \"You are a wiki assistant.\"\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        Assert.Equal(\"system\", messages[0].GetProperty(\"role\").GetString());\n        Assert.Equal(\"You are a wiki assistant.\", messages[0].GetProperty(\"content\").GetString());\n        Assert.Equal(\"user\", messages[1].GetProperty(\"role\").GetString());\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AcceptsDoneSentinelAndMapsUsage()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"hel\"},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"lo\"},\"finish_reason\":\"stop\"}],\"usage\":{\"prompt_tokens\":2,\"completion_tokens\":2,\"total_tokens\":4}}\n\n            data: DONE\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]))\n        {\n            updates.Add(update);\n        }\n\n        Assert.Equal(\"hello\", string.Concat(updates.Select(update => update.Text)));\n        var usage = updates.SelectMany(update => update.Contents).OfType<UsageContent>().Single().Details;\n        Assert.Equal(4, usage.TotalTokenCount);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AccumulatesToolCallDeltas()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"\"}}]},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"function\":{\"arguments\":\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n            data: [DONE]\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var functionCall = updates\n            .SelectMany(update => update.Contents)\n            .OfType<FunctionCallContent>()\n            .Single();\n        Assert.Equal(\"call_1\", functionCall.CallId);\n        Assert.Equal(\"read_file\", functionCall.Name);\n        Assert.NotNull(functionCall.Arguments);\n        var arguments = functionCall.Arguments!;\n        Assert.True(arguments.TryGetValue(\"path\", out var path));\n        Assert.Equal(\"README.md\", path);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_RoundTripsReasoningContentWithToolCalls()\n    {\n        var requestIndex = 0;\n        var handler = new StubHttpMessageHandler(_ => requestIndex++ == 0\n            ? EventStreamResponse(\"\"\"\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"think \"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"more\"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n                data: [DONE]\n\n                \"\"\")\n            : JsonResponse(\"\"\"\n                {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"done\"},\"finish_reason\":\"stop\"}]}\n                \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var reasoning = string.Concat(updates\n            .SelectMany(update => update.Contents)\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        Assert.Equal(\"think more\", reasoning);\n\n        var conversation = new List<ChatMessage>\n        {\n            new(ChatRole.User, \"read\")\n        };\n        conversation.AddMessages(updates);\n        conversation.Add(new ChatMessage(\n            ChatRole.Tool,\n            [new FunctionResultContent(\"call_1\", \"file contents\")]));\n\n        await client.GetResponseAsync(conversation);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies[1]);\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        var assistant = messages.Single(message =>\n            message.GetProperty(\"role\").GetString() == \"assistant\");\n        Assert.Equal(\"think more\", assistant.GetProperty(\"reasoning_content\").GetString());\n        Assert.True(assistant.TryGetProperty(\"tool_calls\", out _));\n    }\n\n    private static DeepSeekOpenAIChatClient CreateClient(\n        StubHttpMessageHandler handler,\n        AiRequestOptions? options = null)\n    {\n        options ??= new AiRequestOptions\n        {\n            SupportsThinking = true,\n            ThinkingConfigJson = \"\"\"\n                {\n                  \"bodyParams\":{\"enable_thinking\":true},\n                  \"disabledBodyParams\":{\"enable_thinking\":false}\n                }\n                \"\"\"\n        };\n\n        return new DeepSeekOpenAIChatClient(\n            \"deepseek-v4-flash\",\n            \"https://api.deepseek.com/v1\",\n            \"test-key\",\n            new HttpClient(handler),\n            options,\n            disposeHttpClient: true);\n    }\n\n    private static HttpResponseMessage JsonResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"application/json\")\n        };\n    }\n\n    private static HttpResponseMessage EventStreamResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"text/event-stream\")\n        };\n    }\n\n    private sealed class StubHttpMessageHandler(\n        Func<HttpRequestMessage, HttpResponseMessage> handle)\n        : HttpMessageHandler\n    {\n        public List<string> RequestBodies { get; } = [];\n\n        protected override async Task<HttpResponseMessage> SendAsync(\n            HttpRequestMessage request,\n            CancellationToken cancellationToken)\n        {\n            RequestBodies.Add(request.Content == null\n                ? string.Empty\n                : await request.Content.ReadAsStringAsync(cancellationToken));\n            return handle(request);\n        }\n    }\n}\n"}, "24e31a340b661bee848fad546832d68b7bcfa3d3": {"t": 1785760377.9802856, "n": 11028, "h": "d9fb5efc51d95f7f", "c": "using System.Net;\nusing System.Text;\nusing System.Text.Json;\nusing Microsoft.Extensions.AI;\nusing OpenDeepWiki.Agents;\nusing Xunit;\n\nnamespace OpenDeepWiki.Tests.Agents;\n\npublic class DeepSeekOpenAIChatClientTests\n{\n    [Fact]\n    public async Task GetResponseAsync_AppliesThinkingBodyParamsByDefault()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\n              \"id\":\"chatcmpl-test\",\n              \"model\":\"deepseek-v4-flash\",\n              \"created\":1700000000,\n              \"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}],\n              \"usage\":{\"prompt_tokens\":2,\"completion_tokens\":1,\"total_tokens\":3,\"prompt_tokens_details\":{\"cached_tokens\":1}}\n            }\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        var response = await client.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.True(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n        Assert.Equal(\"pong\", response.Text);\n        Assert.Equal(3, response.Usage?.TotalTokenCount);\n        Assert.Equal(1, response.Usage?.CachedInputTokenCount);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_CanDisableThinkingFromChatOptions()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                AdditionalProperties = new AdditionalPropertiesDictionary\n                {\n                    [\"thinkingEnabled\"] = false\n                }\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        Assert.False(document.RootElement.GetProperty(\"enable_thinking\").GetBoolean());\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_IncludesStablePromptCacheKey()\n    {\n        var firstHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-1\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var secondHandler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var firstClient = CreateClient(firstHandler);\n        var secondClient = CreateClient(secondHandler);\n\n        await firstClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n        await secondClient.GetResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]);\n\n        using var firstDocument = JsonDocument.Parse(firstHandler.RequestBodies.Single());\n        using var secondDocument = JsonDocument.Parse(secondHandler.RequestBodies.Single());\n        var firstKey = firstDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n        var secondKey = secondDocument.RootElement.GetProperty(\"prompt_cache_key\").GetString();\n\n        Assert.False(string.IsNullOrWhiteSpace(firstKey));\n        Assert.Equal(firstKey, secondKey);\n    }\n\n    [Fact]\n    public async Task GetResponseAsync_PrependsInstructionsAsSystemMessage()\n    {\n        var handler = new StubHttpMessageHandler(_ => JsonResponse(\"\"\"\n            {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"pong\"},\"finish_reason\":\"stop\"}]}\n            \"\"\"));\n        var client = CreateClient(handler);\n\n        await client.GetResponseAsync(\n            [new ChatMessage(ChatRole.User, \"ping\")],\n            new ChatOptions\n            {\n                Instructions = \"You are a wiki assistant.\"\n            });\n\n        using var document = JsonDocument.Parse(handler.RequestBodies.Single());\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        Assert.Equal(\"system\", messages[0].GetProperty(\"role\").GetString());\n        Assert.Equal(\"You are a wiki assistant.\", messages[0].GetProperty(\"content\").GetString());\n        Assert.Equal(\"user\", messages[1].GetProperty(\"role\").GetString());\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AcceptsDoneSentinelAndMapsUsage()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"hel\"},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"content\":\"lo\"},\"finish_reason\":\"stop\"}],\"usage\":{\"prompt_tokens\":2,\"completion_tokens\":2,\"total_tokens\":4}}\n\n            data: DONE\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"ping\")]))\n        {\n            updates.Add(update);\n        }\n\n        Assert.Equal(\"hello\", string.Concat(updates.Select(update => update.Text)));\n        var usage = updates.SelectMany(update => update.Contents).OfType<UsageContent>().Single().Details;\n        Assert.Equal(4, usage.TotalTokenCount);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_AccumulatesToolCallDeltas()\n    {\n        var handler = new StubHttpMessageHandler(_ => EventStreamResponse(\"\"\"\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"\"}}]},\"finish_reason\":null}]}\n\n            data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-flash\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"function\":{\"arguments\":\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n            data: [DONE]\n\n            \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var functionCall = updates\n            .SelectMany(update => update.Contents)\n            .OfType<FunctionCallContent>()\n            .Single();\n        Assert.Equal(\"call_1\", functionCall.CallId);\n        Assert.Equal(\"read_file\", functionCall.Name);\n        Assert.NotNull(functionCall.Arguments);\n        var arguments = functionCall.Arguments!;\n        Assert.True(arguments.TryGetValue(\"path\", out var path));\n        Assert.Equal(\"README.md\", path);\n    }\n\n    [Fact]\n    public async Task GetStreamingResponseAsync_RoundTripsReasoningContentWithToolCalls()\n    {\n        var requestIndex = 0;\n        var handler = new StubHttpMessageHandler(_ => requestIndex++ == 0\n            ? EventStreamResponse(\"\"\"\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"think \"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"reasoning_content\":\"more\"},\"finish_reason\":null}]}\n\n                data: {\"id\":\"chatcmpl-test\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"call_1\",\"type\":\"function\",\"function\":{\"name\":\"read_file\",\"arguments\":\"{\\\"path\\\":\\\"README.md\\\"}\"}}]},\"finish_reason\":\"tool_calls\"}]}\n\n                data: [DONE]\n\n                \"\"\")\n            : JsonResponse(\"\"\"\n                {\"id\":\"chatcmpl-test-2\",\"model\":\"deepseek-v4-pro\",\"choices\":[{\"message\":{\"role\":\"assistant\",\"content\":\"done\"},\"finish_reason\":\"stop\"}]}\n                \"\"\"));\n        var client = CreateClient(handler);\n        var updates = new List<ChatResponseUpdate>();\n\n        await foreach (var update in client.GetStreamingResponseAsync([new ChatMessage(ChatRole.User, \"read\")]))\n        {\n            updates.Add(update);\n        }\n\n        var reasoning = string.Concat(updates\n            .SelectMany(update => update.Contents)\n            .OfType<TextReasoningContent>()\n            .Select(content => content.Text));\n        Assert.Equal(\"think more\", reasoning);\n\n        var conversation = new List<ChatMessage>\n        {\n            new(ChatRole.User, \"read\")\n        };\n        conversation.AddMessages(updates);\n        conversation.Add(new ChatMessage(\n            ChatRole.Tool,\n            [new FunctionResultContent(\"call_1\", \"file contents\")]));\n\n        await client.GetResponseAsync(conversation);\n\n        using var document = JsonDocument.Parse(handler.RequestBodies[1]);\n        var messages = document.RootElement.GetProperty(\"messages\").EnumerateArray().ToArray();\n        var assistant = messages.Single(message =>\n            message.GetProperty(\"role\").GetString() == \"assistant\");\n        Assert.Equal(\"think more\", assistant.GetProperty(\"reasoning_content\").GetString());\n        Assert.True(assistant.TryGetProperty(\"tool_calls\", out _));\n    }\n\n    private static DeepSeekOpenAIChatClient CreateClient(StubHttpMessageHandler handler)\n    {\n        return new DeepSeekOpenAIChatClient(\n            \"deepseek-v4-flash\",\n            \"https://api.deepseek.com/v1\",\n            \"test-key\",\n            new HttpClient(handler),\n            new AiRequestOptions\n            {\n                SupportsThinking = true,\n                ThinkingConfigJson = \"\"\"\n                    {\n                      \"bodyParams\":{\"enable_thinking\":true},\n                      \"disabledBodyParams\":{\"enable_thinking\":false}\n                    }\n                    \"\"\"\n            },\n            disposeHttpClient: true);\n    }\n\n    private static HttpResponseMessage JsonResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"application/json\")\n        };\n    }\n\n    private static HttpResponseMessage EventStreamResponse(string content)\n    {\n        return new HttpResponseMessage(HttpStatusCode.OK)\n        {\n            Content = new StringContent(content, Encoding.UTF8, \"text/event-stream\")\n        };\n    }\n\n    private sealed class StubHttpMessageHandler(\n        Func<HttpRequestMessage, HttpResponseMessage> handle)\n        : HttpMessageHandler\n    {\n        public List<string> RequestBodies { get; } = [];\n\n        protected override async Task<HttpResponseMessage> SendAsync(\n            HttpRequestMessage request,\n            CancellationToken cancellationToken)\n        {\n            RequestBodies.Add(request.Content == null\n                ? string.Empty\n                : await request.Content.ReadAsStringAsync(cancellationToken));\n            return handle(request);\n        }\n    }\n}\n"}}}}