hack/tools/scripts/llm-key-hunter/results/_cache/content/aiqinxuancai_aria2fast.json

{"repo": "aiqinxuancai/aria2fast", "files": {"Aria2Fast/Service/AiProtocolType.cs": {"05c4bca24e45972e0b7f6e8f01451b213f469a82": {"t": 1785746188.8558493, "n": 12477, "h": "1a5017e0c46ad8ba", "c": "using System;\nusing System.Collections.Generic;\n\nnamespace Aria2Fast.Service\n{\n    /// <summary>\n    /// AI 接口协议类型\n    /// </summary>\n    public enum AiProtocolType\n    {\n        /// <summary>\n        /// OpenAI Chat Completions (/v1/chat/completions)，兼容绝大多数中转/第三方服务，支持函数调用\n        /// </summary>\n        OpenAIChatCompletions,\n\n        /// <summary>\n        /// OpenAI Responses (/v1/responses)\n        /// </summary>\n        OpenAIResponses,\n\n        /// <summary>\n        /// Anthropic Claude (Messages API, /v1/messages)\n        /// </summary>\n        Claude,\n\n        /// <summary>\n        /// Google Gemini (generateContent)\n        /// </summary>\n        Gemini\n    }\n\n    /// <summary>\n    /// 协议相关的元数据与 URL 组合逻辑\n    /// </summary>\n    public static class AiProtocol\n    {\n        public sealed class ProtocolOption\n        {\n            public AiProtocolType Type { get; init; }\n            public string DisplayName { get; init; } = string.Empty;\n            public string DefaultBaseUrl { get; init; } = string.Empty;\n            public string DefaultModel { get; init; } = string.Empty;\n        }\n\n        /// <summary>\n        /// 协议下拉框选项（顺序即展示顺序）\n        /// </summary>\n        public static IReadOnlyList<ProtocolOption> Options { get; } = new[]\n        {\n            new ProtocolOption\n            {\n                Type = AiProtocolType.OpenAIChatCompletions,\n                DisplayName = \"OpenAI - Chat Completions\",\n                DefaultBaseUrl = \"https://api.openai.com\",\n                DefaultModel = \"gpt-5.5\"\n            },\n            new ProtocolOption\n            {\n                Type = AiProtocolType.OpenAIResponses,\n                DisplayName = \"OpenAI - Responses\",\n                DefaultBaseUrl = \"https://api.openai.com\",\n                DefaultModel = \"gpt-5.5\"\n            },\n            new ProtocolOption\n            {\n                Type = AiProtocolType.Claude,\n                DisplayName = \"Claude (Anthropic)\",\n                DefaultBaseUrl = \"https://api.anthropic.com\",\n                DefaultModel = \"claude-sonnet-4-6\"\n            },\n            new ProtocolOption\n            {\n                Type = AiProtocolType.Gemini,\n                DisplayName = \"Gemini (Google)\",\n                DefaultBaseUrl = \"https://generativelanguage.googleapis.com\",\n                DefaultModel = \"gemini-3-flash-preview\"\n            }\n        };\n\n        public static string GetDisplayName(AiProtocolType type)\n        {\n            foreach (var option in Options)\n            {\n                if (option.Type == type)\n                {\n                    return option.DisplayName;\n                }\n            }\n            return type.ToString();\n        }\n\n        public static ProtocolOption GetOption(AiProtocolType type)\n        {\n            foreach (var option in Options)\n            {\n                if (option.Type == type)\n                {\n                    return option;\n                }\n            }\n            return Options[0];\n        }\n\n        /// <summary>\n        /// 预设平台配置（用于模态弹窗一键填入）\n        /// </summary>\n        public sealed class Preset\n        {\n            public string DisplayName { get; init; } = string.Empty;\n            public AiProtocolType Protocol { get; init; }\n            public string BaseUrl { get; init; } = string.Empty;\n            public string ModelName { get; init; } = string.Empty;\n        }\n\n        /// <summary>\n        /// 主流平台预设（含各家最新主流模型与官方地址，数据截至 2026-06）\n        /// </summary>\n        public static IReadOnlyList<Preset> Presets { get; } = new[]\n        {\n            new Preset\n            {\n                DisplayName = \"DeepSeek - deepseek-v4-flash\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.deepseek.com\",\n                ModelName = \"deepseek-v4-flash\"\n            },\n            new Preset\n            {\n                DisplayName = \"DeepSeek - deepseek-v4-pro\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.deepseek.com\",\n                ModelName = \"deepseek-v4-pro\"\n            },\n            new Preset\n            {\n                DisplayName = \"通义千问 Qwen - qwen3-max\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://dashscope.aliyuncs.com/compatible-mode/v1\",\n                ModelName = \"qwen3-max\"\n            },\n            new Preset\n            {\n                DisplayName = \"通义千问 Qwen - qwen-plus\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://dashscope.aliyuncs.com/compatible-mode/v1\",\n                ModelName = \"qwen-plus\"\n            },\n            new Preset\n            {\n                DisplayName = \"智谱 GLM - glm-4.6\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://open.bigmodel.cn/api/paas/v4\",\n                ModelName = \"glm-4.6\"\n            },\n            new Preset\n            {\n                DisplayName = \"智谱 GLM - glm-4.7-flash\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://open.bigmodel.cn/api/paas/v4\",\n                ModelName = \"glm-4.7-flash\"\n            },\n            new Preset\n            {\n                DisplayName = \"MiniMax - MiniMax-M2.1\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.minimaxi.com/v1\",\n                ModelName = \"MiniMax-M2.1\"\n            },\n            new Preset\n            {\n                DisplayName = \"Kimi (Moonshot) - kimi-k2.6\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.moonshot.cn/v1\",\n                ModelName = \"kimi-k2.6\"\n            },\n            new Preset\n            {\n                DisplayName = \"火山方舟 Doubao - doubao-seed-1.6\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://ark.cn-beijing.volces.com/api/v3\",\n                ModelName = \"doubao-seed-1-6-250615\"\n            },\n            new Preset\n            {\n                DisplayName = \"OpenAI - gpt-5.5\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.openai.com\",\n                ModelName = \"gpt-5.5\"\n            },\n            new Preset\n            {\n                DisplayName = \"OpenAI - gpt-4o-mini\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.openai.com\",\n                ModelName = \"gpt-4o-mini\"\n            },\n            new Preset\n            {\n                DisplayName = \"Claude - claude-opus-4-8\",\n                Protocol = AiProtocolType.Claude,\n                BaseUrl = \"https://api.anthropic.com\",\n                ModelName = \"claude-opus-4-8\"\n            },\n            new Preset\n            {\n                DisplayName = \"Claude - claude-sonnet-4-6\",\n                Protocol = AiProtocolType.Claude,\n                BaseUrl = \"https://api.anthropic.com\",\n                ModelName = \"claude-sonnet-4-6\"\n            },\n            new Preset\n            {\n                DisplayName = \"Gemini - gemini-3-flash-preview\",\n                Protocol = AiProtocolType.Gemini,\n                BaseUrl = \"https://generativelanguage.googleapis.com\",\n                ModelName = \"gemini-3-flash-preview\"\n            },\n            new Preset\n            {\n                DisplayName = \"Gemini - gemini-3-pro-preview\",\n                Protocol = AiProtocolType.Gemini,\n                BaseUrl = \"https://generativelanguage.googleapis.com\",\n                ModelName = \"gemini-3-pro-preview\"\n            },\n            new Preset\n            {\n                DisplayName = \"Gemini - gemini-2.5-flash（稳定）\",\n                Protocol = AiProtocolType.Gemini,\n                BaseUrl = \"https://generativelanguage.googleapis.com\",\n                ModelName = \"gemini-2.5-flash\"\n            },\n            new Preset\n            {\n                DisplayName = \"OpenRouter - deepseek-v4\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://openrouter.ai/api/v1\",\n                ModelName = \"deepseek/deepseek-v4\"\n            },\n            new Preset\n            {\n                DisplayName = \"硅基流动 SiliconFlow - DeepSeek-V3.2\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.siliconflow.cn/v1\",\n                ModelName = \"deepseek-ai/DeepSeek-V3.2-Exp\"\n            },\n            new Preset\n            {\n                DisplayName = \"Aihubmix（中转）- gpt-5.5\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://aihubmix.com\",\n                ModelName = \"gpt-5.5\"\n            }\n        };\n\n        /// <summary>\n        /// 去掉结尾的 \"/\"，并补全协议头\n        /// </summary>\n        public static string NormalizeBaseUrl(string baseUrl)\n        {\n            var url = (baseUrl ?? string.Empty).Trim();\n            if (string.IsNullOrEmpty(url))\n            {\n                return string.Empty;\n            }\n\n            if (!url.StartsWith(\"http://\", StringComparison.OrdinalIgnoreCase)\n                && !url.StartsWith(\"https://\", StringComparison.OrdinalIgnoreCase))\n            {\n                url = \"https://\" + url;\n            }\n\n            return url.TrimEnd('/');\n        }\n\n        /// <summary>\n        /// 根据协议类型与 baseUrl、模型名，组合出真实的请求地址（用于界面预览与实际请求）\n        /// </summary>\n        public static string BuildRequestUrl(AiProtocolType type, string baseUrl, string model)\n        {\n            var root = NormalizeBaseUrl(baseUrl);\n            if (string.IsNullOrEmpty(root))\n            {\n                return string.Empty;\n            }\n\n            switch (type)\n            {\n                case AiProtocolType.OpenAIChatCompletions:\n                    return CombineOpenAiPath(root, \"chat/completions\");\n                case AiProtocolType.OpenAIResponses:\n                    return CombineOpenAiPath(root, \"responses\");\n                case AiProtocolType.Claude:\n                    return CombineClaudePath(root);\n                case AiProtocolType.Gemini:\n                    var modelName = string.IsNullOrWhiteSpace(model) ? \"{model}\" : model.Trim();\n                    return CombineGeminiPath(root, modelName);\n                default:\n                    return root;\n            }\n        }\n\n        /// <summary>\n        /// OpenAI 协议：若 baseUrl 未包含版本段（/v1 等），自动补 /v1\n        /// </summary>\n        private static string CombineOpenAiPath(string root, string suffix)\n        {\n            if (EndsWithVersionSegment(root))\n            {\n                return $\"{root}/{suffix}\";\n            }\n            return $\"{root}/v1/{suffix}\";\n        }\n\n        private static string CombineClaudePath(string root)\n        {\n            if (EndsWithVersionSegment(root))\n            {\n                return $\"{root}/messages\";\n            }\n            return $\"{root}/v1/messages\";\n        }\n\n        private static string CombineGeminiPath(string root, string model)\n        {\n            // 形如 https://host/v1beta/models/{model}:generateContent\n            if (root.EndsWith(\"/v1beta\", StringComparison.OrdinalIgnoreCase)\n                || root.EndsWith(\"/v1\", StringComparison.OrdinalIgnoreCase))\n            {\n                return $\"{root}/models/{model}:generateContent\";\n            }\n            return $\"{root}/v1beta/models/{model}:generateContent\";\n        }\n\n        /// <summary>\n        /// 判断 baseUrl 是否已经以版本段结尾（避免重复拼接 /v1）\n        /// </summary>\n        private static bool EndsWithVersionSegment(string root)\n        {\n            var lastSegment = root;\n            var slashIndex = root.LastIndexOf('/');\n            if (slashIndex >= 0 && slashIndex < root.Length - 1)\n            {\n                lastSegment = root.Substring(slashIndex + 1);\n            }\n\n            if (string.IsNullOrEmpty(lastSegment))\n            {\n                return false;\n            }\n\n            // v1, v1beta, v2, beta 等\n            if (lastSegment.StartsWith(\"v\", StringComparison.OrdinalIgnoreCase)\n                && lastSegment.Length > 1\n                && char.IsDigit(lastSegment[1]))\n            {\n                return true;\n            }\n\n            return lastSegment.Equals(\"beta\", StringComparison.OrdinalIgnoreCase);\n        }\n    }\n}\n"}, "cba1d8c712e4355a9205db444a90d75b67e590cb": {"t": 1785760465.3672872, "n": 12477, "h": "1a5017e0c46ad8ba", "c": "using System;\nusing System.Collections.Generic;\n\nnamespace Aria2Fast.Service\n{\n    /// <summary>\n    /// AI 接口协议类型\n    /// </summary>\n    public enum AiProtocolType\n    {\n        /// <summary>\n        /// OpenAI Chat Completions (/v1/chat/completions)，兼容绝大多数中转/第三方服务，支持函数调用\n        /// </summary>\n        OpenAIChatCompletions,\n\n        /// <summary>\n        /// OpenAI Responses (/v1/responses)\n        /// </summary>\n        OpenAIResponses,\n\n        /// <summary>\n        /// Anthropic Claude (Messages API, /v1/messages)\n        /// </summary>\n        Claude,\n\n        /// <summary>\n        /// Google Gemini (generateContent)\n        /// </summary>\n        Gemini\n    }\n\n    /// <summary>\n    /// 协议相关的元数据与 URL 组合逻辑\n    /// </summary>\n    public static class AiProtocol\n    {\n        public sealed class ProtocolOption\n        {\n            public AiProtocolType Type { get; init; }\n            public string DisplayName { get; init; } = string.Empty;\n            public string DefaultBaseUrl { get; init; } = string.Empty;\n            public string DefaultModel { get; init; } = string.Empty;\n        }\n\n        /// <summary>\n        /// 协议下拉框选项（顺序即展示顺序）\n        /// </summary>\n        public static IReadOnlyList<ProtocolOption> Options { get; } = new[]\n        {\n            new ProtocolOption\n            {\n                Type = AiProtocolType.OpenAIChatCompletions,\n                DisplayName = \"OpenAI - Chat Completions\",\n                DefaultBaseUrl = \"https://api.openai.com\",\n                DefaultModel = \"gpt-5.5\"\n            },\n            new ProtocolOption\n            {\n                Type = AiProtocolType.OpenAIResponses,\n                DisplayName = \"OpenAI - Responses\",\n                DefaultBaseUrl = \"https://api.openai.com\",\n                DefaultModel = \"gpt-5.5\"\n            },\n            new ProtocolOption\n            {\n                Type = AiProtocolType.Claude,\n                DisplayName = \"Claude (Anthropic)\",\n                DefaultBaseUrl = \"https://api.anthropic.com\",\n                DefaultModel = \"claude-sonnet-4-6\"\n            },\n            new ProtocolOption\n            {\n                Type = AiProtocolType.Gemini,\n                DisplayName = \"Gemini (Google)\",\n                DefaultBaseUrl = \"https://generativelanguage.googleapis.com\",\n                DefaultModel = \"gemini-3-flash-preview\"\n            }\n        };\n\n        public static string GetDisplayName(AiProtocolType type)\n        {\n            foreach (var option in Options)\n            {\n                if (option.Type == type)\n                {\n                    return option.DisplayName;\n                }\n            }\n            return type.ToString();\n        }\n\n        public static ProtocolOption GetOption(AiProtocolType type)\n        {\n            foreach (var option in Options)\n            {\n                if (option.Type == type)\n                {\n                    return option;\n                }\n            }\n            return Options[0];\n        }\n\n        /// <summary>\n        /// 预设平台配置（用于模态弹窗一键填入）\n        /// </summary>\n        public sealed class Preset\n        {\n            public string DisplayName { get; init; } = string.Empty;\n            public AiProtocolType Protocol { get; init; }\n            public string BaseUrl { get; init; } = string.Empty;\n            public string ModelName { get; init; } = string.Empty;\n        }\n\n        /// <summary>\n        /// 主流平台预设（含各家最新主流模型与官方地址，数据截至 2026-06）\n        /// </summary>\n        public static IReadOnlyList<Preset> Presets { get; } = new[]\n        {\n            new Preset\n            {\n                DisplayName = \"DeepSeek - deepseek-v4-flash\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.deepseek.com\",\n                ModelName = \"deepseek-v4-flash\"\n            },\n            new Preset\n            {\n                DisplayName = \"DeepSeek - deepseek-v4-pro\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.deepseek.com\",\n                ModelName = \"deepseek-v4-pro\"\n            },\n            new Preset\n            {\n                DisplayName = \"通义千问 Qwen - qwen3-max\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://dashscope.aliyuncs.com/compatible-mode/v1\",\n                ModelName = \"qwen3-max\"\n            },\n            new Preset\n            {\n                DisplayName = \"通义千问 Qwen - qwen-plus\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://dashscope.aliyuncs.com/compatible-mode/v1\",\n                ModelName = \"qwen-plus\"\n            },\n            new Preset\n            {\n                DisplayName = \"智谱 GLM - glm-4.6\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://open.bigmodel.cn/api/paas/v4\",\n                ModelName = \"glm-4.6\"\n            },\n            new Preset\n            {\n                DisplayName = \"智谱 GLM - glm-4.7-flash\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://open.bigmodel.cn/api/paas/v4\",\n                ModelName = \"glm-4.7-flash\"\n            },\n            new Preset\n            {\n                DisplayName = \"MiniMax - MiniMax-M2.1\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.minimaxi.com/v1\",\n                ModelName = \"MiniMax-M2.1\"\n            },\n            new Preset\n            {\n                DisplayName = \"Kimi (Moonshot) - kimi-k2.6\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.moonshot.cn/v1\",\n                ModelName = \"kimi-k2.6\"\n            },\n            new Preset\n            {\n                DisplayName = \"火山方舟 Doubao - doubao-seed-1.6\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://ark.cn-beijing.volces.com/api/v3\",\n                ModelName = \"doubao-seed-1-6-250615\"\n            },\n            new Preset\n            {\n                DisplayName = \"OpenAI - gpt-5.5\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.openai.com\",\n                ModelName = \"gpt-5.5\"\n            },\n            new Preset\n            {\n                DisplayName = \"OpenAI - gpt-4o-mini\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.openai.com\",\n                ModelName = \"gpt-4o-mini\"\n            },\n            new Preset\n            {\n                DisplayName = \"Claude - claude-opus-4-8\",\n                Protocol = AiProtocolType.Claude,\n                BaseUrl = \"https://api.anthropic.com\",\n                ModelName = \"claude-opus-4-8\"\n            },\n            new Preset\n            {\n                DisplayName = \"Claude - claude-sonnet-4-6\",\n                Protocol = AiProtocolType.Claude,\n                BaseUrl = \"https://api.anthropic.com\",\n                ModelName = \"claude-sonnet-4-6\"\n            },\n            new Preset\n            {\n                DisplayName = \"Gemini - gemini-3-flash-preview\",\n                Protocol = AiProtocolType.Gemini,\n                BaseUrl = \"https://generativelanguage.googleapis.com\",\n                ModelName = \"gemini-3-flash-preview\"\n            },\n            new Preset\n            {\n                DisplayName = \"Gemini - gemini-3-pro-preview\",\n                Protocol = AiProtocolType.Gemini,\n                BaseUrl = \"https://generativelanguage.googleapis.com\",\n                ModelName = \"gemini-3-pro-preview\"\n            },\n            new Preset\n            {\n                DisplayName = \"Gemini - gemini-2.5-flash（稳定）\",\n                Protocol = AiProtocolType.Gemini,\n                BaseUrl = \"https://generativelanguage.googleapis.com\",\n                ModelName = \"gemini-2.5-flash\"\n            },\n            new Preset\n            {\n                DisplayName = \"OpenRouter - deepseek-v4\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://openrouter.ai/api/v1\",\n                ModelName = \"deepseek/deepseek-v4\"\n            },\n            new Preset\n            {\n                DisplayName = \"硅基流动 SiliconFlow - DeepSeek-V3.2\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://api.siliconflow.cn/v1\",\n                ModelName = \"deepseek-ai/DeepSeek-V3.2-Exp\"\n            },\n            new Preset\n            {\n                DisplayName = \"Aihubmix（中转）- gpt-5.5\",\n                Protocol = AiProtocolType.OpenAIChatCompletions,\n                BaseUrl = \"https://aihubmix.com\",\n                ModelName = \"gpt-5.5\"\n            }\n        };\n\n        /// <summary>\n        /// 去掉结尾的 \"/\"，并补全协议头\n        /// </summary>\n        public static string NormalizeBaseUrl(string baseUrl)\n        {\n            var url = (baseUrl ?? string.Empty).Trim();\n            if (string.IsNullOrEmpty(url))\n            {\n                return string.Empty;\n            }\n\n            if (!url.StartsWith(\"http://\", StringComparison.OrdinalIgnoreCase)\n                && !url.StartsWith(\"https://\", StringComparison.OrdinalIgnoreCase))\n            {\n                url = \"https://\" + url;\n            }\n\n            return url.TrimEnd('/');\n        }\n\n        /// <summary>\n        /// 根据协议类型与 baseUrl、模型名，组合出真实的请求地址（用于界面预览与实际请求）\n        /// </summary>\n        public static string BuildRequestUrl(AiProtocolType type, string baseUrl, string model)\n        {\n            var root = NormalizeBaseUrl(baseUrl);\n            if (string.IsNullOrEmpty(root))\n            {\n                return string.Empty;\n            }\n\n            switch (type)\n            {\n                case AiProtocolType.OpenAIChatCompletions:\n                    return CombineOpenAiPath(root, \"chat/completions\");\n                case AiProtocolType.OpenAIResponses:\n                    return CombineOpenAiPath(root, \"responses\");\n                case AiProtocolType.Claude:\n                    return CombineClaudePath(root);\n                case AiProtocolType.Gemini:\n                    var modelName = string.IsNullOrWhiteSpace(model) ? \"{model}\" : model.Trim();\n                    return CombineGeminiPath(root, modelName);\n                default:\n                    return root;\n            }\n        }\n\n        /// <summary>\n        /// OpenAI 协议：若 baseUrl 未包含版本段（/v1 等），自动补 /v1\n        /// </summary>\n        private static string CombineOpenAiPath(string root, string suffix)\n        {\n            if (EndsWithVersionSegment(root))\n            {\n                return $\"{root}/{suffix}\";\n            }\n            return $\"{root}/v1/{suffix}\";\n        }\n\n        private static string CombineClaudePath(string root)\n        {\n            if (EndsWithVersionSegment(root))\n            {\n                return $\"{root}/messages\";\n            }\n            return $\"{root}/v1/messages\";\n        }\n\n        private static string CombineGeminiPath(string root, string model)\n        {\n            // 形如 https://host/v1beta/models/{model}:generateContent\n            if (root.EndsWith(\"/v1beta\", StringComparison.OrdinalIgnoreCase)\n                || root.EndsWith(\"/v1\", StringComparison.OrdinalIgnoreCase))\n            {\n                return $\"{root}/models/{model}:generateContent\";\n            }\n            return $\"{root}/v1beta/models/{model}:generateContent\";\n        }\n\n        /// <summary>\n        /// 判断 baseUrl 是否已经以版本段结尾（避免重复拼接 /v1）\n        /// </summary>\n        private static bool EndsWithVersionSegment(string root)\n        {\n            var lastSegment = root;\n            var slashIndex = root.LastIndexOf('/');\n            if (slashIndex >= 0 && slashIndex < root.Length - 1)\n            {\n                lastSegment = root.Substring(slashIndex + 1);\n            }\n\n            if (string.IsNullOrEmpty(lastSegment))\n            {\n                return false;\n            }\n\n            // v1, v1beta, v2, beta 等\n            if (lastSegment.StartsWith(\"v\", StringComparison.OrdinalIgnoreCase)\n                && lastSegment.Length > 1\n                && char.IsDigit(lastSegment[1]))\n            {\n                return true;\n            }\n\n            return lastSegment.Equals(\"beta\", StringComparison.OrdinalIgnoreCase);\n        }\n    }\n}\n"}}}}