{"repo": "badakonpro/ai-translate-dub", "files": {"macos-app/VoxOver/Services/PipelineAPIClient.swift": {"e5eef33b279c532cd1fc4563d686419f79355c57": {"t": 1785745896.8130412, "n": 14104, "h": "fb6629949b8cb8e1", "c": "// PipelineAPIClient.swift\n// VoxOver — HTTP client for the FastAPI backend (api_server.py)\n\nimport Foundation\n\nstruct JobResult: Decodable {\n    let status: String\n    let subtitlePath: String?\n    let videoPath: String?\n    let softVideoPath: String?\n    let hardVideoPath: String?\n    let outputDir: String?\n    let error: String?\n}\n\n@MainActor\nfinal class PipelineAPIClient: ObservableObject {\n\n    // ── Configuration ─────────────────────────────────────────────────────────\n\n    private let port: Int\n    private var base: URL { URL(string: \"http://127.0.0.1:\\(port)\")! }\n\n    private lazy var encoder: JSONEncoder = {\n        let e = JSONEncoder()\n        e.keyEncodingStrategy = .convertToSnakeCase\n        return e\n    }()\n\n    private lazy var decoder: JSONDecoder = {\n        let d = JSONDecoder()\n        d.keyDecodingStrategy = .convertFromSnakeCase\n        return d\n    }()\n\n    init(port: Int = 7861) {\n        self.port = port\n    }\n\n    // ── Health ────────────────────────────────────────────────────────────────\n\n    func health() async throws -> Bool {\n        let (_, resp) = try await URLSession.shared.data(from: base.appending(path: \"/health\"))\n        return (resp as? HTTPURLResponse)?.statusCode == 200\n    }\n\n    // ── Process ───────────────────────────────────────────────────────────────\n\n    private func isBrokenPipeError(_ error: Error) -> Bool {\n        let text = error.localizedDescription.lowercased()\n        return text.contains(\"broken pipe\") || text.contains(\"errno 32\")\n    }\n\n    /// Submit a job and return the job ID.\n    func submitJob(request: ProcessRequest) async throws -> String {\n        let attempts = 3\n        for attempt in 1...attempts {\n            do {\n                var urlReq = URLRequest(url: base.appending(path: \"/process\"))\n                urlReq.httpMethod = \"POST\"\n                urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n                // Avoid stale keep-alive socket reuse that may trigger EPIPE.\n                urlReq.setValue(\"close\", forHTTPHeaderField: \"Connection\")\n                urlReq.httpBody = try encoder.encode(request)\n\n                let (data, resp) = try await URLSession.shared.data(for: urlReq)\n                guard let http = resp as? HTTPURLResponse, http.statusCode == 200 else {\n                    let body = String(data: data, encoding: .utf8) ?? \"\"\n                    throw VoxOverError.apiError(\"submitJob failed: \\(body)\")\n                }\n                let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n                guard let jobId = json?[\"job_id\"] as? String else {\n                    throw VoxOverError.apiError(\"No job_id in response\")\n                }\n                return jobId\n            } catch {\n                if attempt < attempts && isBrokenPipeError(error) {\n                    try await Task.sleep(for: .milliseconds(300 * attempt))\n                    continue\n                }\n                throw error\n            }\n        }\n\n        throw VoxOverError.apiError(\"submitJob failed after retries\")\n    }\n\n    /// SSE stream for a job. Yields ProgressEvent values until done/error.\n    func jobProgressStream(jobId: String) -> AsyncThrowingStream<ProgressEvent, Error> {\n        AsyncThrowingStream { continuation in\n            Task {\n                let url = self.base.appending(path: \"/jobs/\\(jobId)/events\")\n                do {\n                    let (asyncBytes, response) = try await URLSession.shared.bytes(from: url)\n                    guard let http = response as? HTTPURLResponse, http.statusCode == 200 else {\n                        continuation.finish(throwing: VoxOverError.sseStreamFailed(\"HTTP \\((response as? HTTPURLResponse)?.statusCode ?? -1)\"))\n                        return\n                    }\n                    for try await line in asyncBytes.lines {\n                        guard line.hasPrefix(\"data: \") else { continue }\n                        let payload = String(line.dropFirst(6))\n                        guard let data = payload.data(using: .utf8) else { continue }\n                        let event = try self.decoder.decode(ProgressEvent.self, from: data)\n                        continuation.yield(event)\n                        if event.type == \"done\" || event.type == \"error\" {\n                            continuation.finish()\n                            return\n                        }\n                    }\n                    continuation.finish()\n                } catch {\n                    continuation.finish(throwing: error)\n                }\n            }\n        }\n    }\n\n    /// Poll-based fallback for job status when SSE connection is interrupted.\n    func jobResult(jobId: String) async throws -> JobResult {\n        let url = base.appending(path: \"/jobs/\\(jobId)/result\")\n        let (data, resp) = try await URLSession.shared.data(from: url)\n        guard let http = resp as? HTTPURLResponse, http.statusCode == 200 else {\n            throw VoxOverError.apiError(\"jobResult failed\")\n        }\n        return try decoder.decode(JobResult.self, from: data)\n    }\n\n    // ── Settings ──────────────────────────────────────────────────────────────\n\n    func loadSettings() async throws -> AppConfig {\n        let (data, _) = try await URLSession.shared.data(from: base.appending(path: \"/settings\"))\n        let json = (try JSONSerialization.jsonObject(with: data) as? [String: Any]) ?? [:]\n\n        let defaults = json[\"defaults\"] as? [String: Any] ?? [:]\n        let deepseek = json[\"deepseek\"] as? [String: Any] ?? [:]\n        let openai = json[\"openai\"] as? [String: Any] ?? [:]\n        let anthropic = json[\"anthropic\"] as? [String: Any] ?? [:]\n        let ollama = json[\"ollama\"] as? [String: Any] ?? [:]\n        let translation = json[\"translation\"] as? [String: Any] ?? [:]\n        let ui = json[\"ui\"] as? [String: Any] ?? [:]\n\n        return AppConfig(\n            whisperModel: defaults[\"whisper_model\"] as? String ?? \"medium\",\n            sourceLang: defaults[\"source_lang\"] as? String ?? \"Chinese\",\n            targetLang: defaults[\"target_lang\"] as? String ?? \"English\",\n            translationBackend: defaults[\"translation_backend\"] as? String ?? \"deepseek\",\n            deepseekApiKey: deepseek[\"api_key\"] as? String ?? \"\",\n            deepseekModel: deepseek[\"model\"] as? String ?? \"deepseek-chat\",\n            deepseekBaseUrl: deepseek[\"base_url\"] as? String ?? \"https://api.deepseek.com/v1\",\n            openaiApiKey: openai[\"api_key\"] as? String ?? \"\",\n            openaiModel: openai[\"model\"] as? String ?? \"gpt-4o-mini\",\n            openaiBaseUrl: openai[\"base_url\"] as? String ?? \"https://api.openai.com/v1\",\n            anthropicApiKey: anthropic[\"api_key\"] as? String ?? \"\",\n            anthropicModel: anthropic[\"model\"] as? String ?? \"claude-3-5-haiku-20241022\",\n            ollamaHost: ollama[\"host\"] as? String ?? \"http://localhost:11434\",\n            ollamaModel: ollama[\"model\"] as? String ?? \"qwen2.5:7b\",\n            ollamaAutoPull: ollama[\"auto_pull\"] as? Bool ?? true,\n            softSubtitles: ui[\"soft_subtitles\"] as? Bool ?? true,\n            burnSubtitles: ui[\"burn_subtitles\"] as? Bool ?? true,\n            fontName: ui[\"font_name\"] as? String ?? \"Arial\",\n            fontSize: ui[\"font_size\"] as? Int ?? 24,\n            fontColor: ui[\"font_color\"] as? String ?? \"white\",\n            subtitleAlign: ui[\"subtitle_align\"] as? String ?? \"bottom-center\",\n            marginV: ui[\"margin_v\"] as? Int ?? 20,\n            parallelTranslation: translation[\"parallel_enabled\"] as? Bool ?? true,\n            maxWorkers: translation[\"parallel_workers\"] as? Int ?? 4,\n            autoGenerateContext: translation[\"context_enabled\"] as? Bool ?? false,\n            translationContext: translation[\"manual_context\"] as? String ?? \"\"\n        )\n    }\n\n    func saveSettings(_ config: AppConfig) async throws {\n        var urlReq = URLRequest(url: base.appending(path: \"/settings\"))\n        urlReq.httpMethod = \"POST\"\n        urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n        let payload: [String: Any] = [\n            \"whisper_model\": config.whisperModel,\n            \"source_lang\": config.sourceLang,\n            \"target_lang\": config.targetLang,\n            \"translation_backend\": config.translationBackend,\n            \"deepseek_api_key\": config.deepseekApiKey,\n            \"deepseek_model\": config.deepseekModel,\n            \"deepseek_base_url\": config.deepseekBaseUrl,\n            \"openai_api_key\": config.openaiApiKey,\n            \"openai_model\": config.openaiModel,\n            \"openai_base_url\": config.openaiBaseUrl,\n            \"anthropic_api_key\": config.anthropicApiKey,\n            \"anthropic_model\": config.anthropicModel,\n            \"ollama_host\": config.ollamaHost,\n            \"ollama_model\": config.ollamaModel,\n            \"ollama_auto_pull\": config.ollamaAutoPull,\n            \"parallel_enabled\": config.parallelTranslation,\n            \"parallel_workers\": config.maxWorkers,\n            \"context_enabled\": config.autoGenerateContext,\n            \"translation_context\": config.translationContext,\n            \"soft_subtitles\": config.softSubtitles,\n            \"burn_subtitles\": config.burnSubtitles,\n            \"font_name\": config.fontName,\n            \"font_size\": config.fontSize,\n            \"font_color\": config.fontColor,\n            \"subtitle_align\": config.subtitleAlign,\n            \"margin_v\": config.marginV,\n        ]\n        urlReq.httpBody = try JSONSerialization.data(withJSONObject: payload)\n        _ = try await URLSession.shared.data(for: urlReq)\n    }\n\n    // ── Models ────────────────────────────────────────────────────────────────\n\n    func ollamaModels(host: String) async throws -> [String] {\n        var components = URLComponents(url: base.appending(path: \"/models/ollama\"), resolvingAgainstBaseURL: false)\n        components?.queryItems = [URLQueryItem(name: \"host\", value: host)]\n        var urlReq = URLRequest(url: components?.url ?? base.appending(path: \"/models/ollama\"))\n        urlReq.httpMethod = \"GET\"\n        let (data, _) = try await URLSession.shared.data(for: urlReq)\n        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n        return (json?[\"models\"] as? [String]) ?? []\n    }\n\n    func deepseekModels(apiKey: String, baseUrl: String) async throws -> [String] {\n        var urlReq = URLRequest(url: base.appending(path: \"/models/deepseek\"))\n        urlReq.httpMethod = \"POST\"\n        urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n        urlReq.httpBody = try JSONSerialization.data(withJSONObject: [\"api_key\": apiKey, \"base_url\": baseUrl])\n        let (data, _) = try await URLSession.shared.data(for: urlReq)\n        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n        return (json?[\"models\"] as? [String]) ?? []\n    }\n\n    func generateTranslationContext(formState: ProcessingFormState) async throws -> String {\n        let body: [String: Any] = [\n            \"translation_backend\": formState.translationBackend,\n            \"source_lang\": formState.sourceLang,\n            \"target_lang\": formState.targetLang,\n            \"video_description\": formState.translationContext,\n            \"deepseek_api_key\": formState.deepseekApiKey,\n            \"deepseek_model\": formState.deepseekModel,\n            \"deepseek_base_url\": formState.deepseekBaseUrl,\n            \"openai_api_key\": formState.openaiApiKey,\n            \"openai_model\": formState.openaiModel,\n            \"openai_base_url\": formState.openaiBaseUrl,\n            \"anthropic_api_key\": formState.anthropicApiKey,\n            \"anthropic_model\": formState.anthropicModel,\n            \"ollama_host\": formState.ollamaHost,\n            \"ollama_model\": formState.ollamaModel,\n        ]\n        var urlReq = URLRequest(url: base.appending(path: \"/generate_context\"))\n        urlReq.httpMethod = \"POST\"\n        urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n        urlReq.httpBody = try JSONSerialization.data(withJSONObject: body)\n        let (data, resp) = try await URLSession.shared.data(for: urlReq)\n        guard let http = resp as? HTTPURLResponse, http.statusCode == 200 else {\n            let detail = (try? JSONSerialization.jsonObject(with: data) as? [String: Any])?[\"detail\"] as? String ?? \"Unknown error\"\n            throw VoxOverError.apiError(detail)\n        }\n        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n        return (json?[\"context\"] as? String) ?? \"\"\n    }\n\n    /// Stream Ollama model pull progress. Yields (pct, message) tuples.\n    func pullOllamaModel(host: String, model: String) -> AsyncThrowingStream<(Double, String), Error> {\n        AsyncThrowingStream { continuation in\n            Task {\n                var urlReq = URLRequest(url: self.base.appending(path: \"/ollama/pull\"))\n                urlReq.httpMethod = \"POST\"\n                urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n                urlReq.httpBody = try JSONSerialization.data(withJSONObject: [\"host\": host, \"model\": model])\n                do {\n                    let (asyncBytes, _) = try await URLSession.shared.bytes(for: urlReq)\n                    for try await line in asyncBytes.lines {\n                        guard line.hasPrefix(\"data: \"),\n                              let data = String(line.dropFirst(6)).data(using: .utf8),\n                              let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n                        else { continue }\n                        let pct = json[\"pct\"] as? Double ?? 0\n                        let msg = json[\"msg\"] as? String ?? \"\"\n                        continuation.yield((pct, msg))\n                        if json[\"type\"] as? String == \"done\" {\n                            continuation.finish(); return\n                        }\n                    }\n                    continuation.finish()\n                } catch {\n                    continuation.finish(throwing: error)\n                }\n            }\n        }\n    }\n}\n"}, "0ceb0a9d4aa4224fab06c893fba40f3930a4820b": {"t": 1785757756.046515, "n": 14104, "h": "fb6629949b8cb8e1", "c": "// PipelineAPIClient.swift\n// VoxOver — HTTP client for the FastAPI backend (api_server.py)\n\nimport Foundation\n\nstruct JobResult: Decodable {\n    let status: String\n    let subtitlePath: String?\n    let videoPath: String?\n    let softVideoPath: String?\n    let hardVideoPath: String?\n    let outputDir: String?\n    let error: String?\n}\n\n@MainActor\nfinal class PipelineAPIClient: ObservableObject {\n\n    // ── Configuration ─────────────────────────────────────────────────────────\n\n    private let port: Int\n    private var base: URL { URL(string: \"http://127.0.0.1:\\(port)\")! }\n\n    private lazy var encoder: JSONEncoder = {\n        let e = JSONEncoder()\n        e.keyEncodingStrategy = .convertToSnakeCase\n        return e\n    }()\n\n    private lazy var decoder: JSONDecoder = {\n        let d = JSONDecoder()\n        d.keyDecodingStrategy = .convertFromSnakeCase\n        return d\n    }()\n\n    init(port: Int = 7861) {\n        self.port = port\n    }\n\n    // ── Health ────────────────────────────────────────────────────────────────\n\n    func health() async throws -> Bool {\n        let (_, resp) = try await URLSession.shared.data(from: base.appending(path: \"/health\"))\n        return (resp as? HTTPURLResponse)?.statusCode == 200\n    }\n\n    // ── Process ───────────────────────────────────────────────────────────────\n\n    private func isBrokenPipeError(_ error: Error) -> Bool {\n        let text = error.localizedDescription.lowercased()\n        return text.contains(\"broken pipe\") || text.contains(\"errno 32\")\n    }\n\n    /// Submit a job and return the job ID.\n    func submitJob(request: ProcessRequest) async throws -> String {\n        let attempts = 3\n        for attempt in 1...attempts {\n            do {\n                var urlReq = URLRequest(url: base.appending(path: \"/process\"))\n                urlReq.httpMethod = \"POST\"\n                urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n                // Avoid stale keep-alive socket reuse that may trigger EPIPE.\n                urlReq.setValue(\"close\", forHTTPHeaderField: \"Connection\")\n                urlReq.httpBody = try encoder.encode(request)\n\n                let (data, resp) = try await URLSession.shared.data(for: urlReq)\n                guard let http = resp as? HTTPURLResponse, http.statusCode == 200 else {\n                    let body = String(data: data, encoding: .utf8) ?? \"\"\n                    throw VoxOverError.apiError(\"submitJob failed: \\(body)\")\n                }\n                let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n                guard let jobId = json?[\"job_id\"] as? String else {\n                    throw VoxOverError.apiError(\"No job_id in response\")\n                }\n                return jobId\n            } catch {\n                if attempt < attempts && isBrokenPipeError(error) {\n                    try await Task.sleep(for: .milliseconds(300 * attempt))\n                    continue\n                }\n                throw error\n            }\n        }\n\n        throw VoxOverError.apiError(\"submitJob failed after retries\")\n    }\n\n    /// SSE stream for a job. Yields ProgressEvent values until done/error.\n    func jobProgressStream(jobId: String) -> AsyncThrowingStream<ProgressEvent, Error> {\n        AsyncThrowingStream { continuation in\n            Task {\n                let url = self.base.appending(path: \"/jobs/\\(jobId)/events\")\n                do {\n                    let (asyncBytes, response) = try await URLSession.shared.bytes(from: url)\n                    guard let http = response as? HTTPURLResponse, http.statusCode == 200 else {\n                        continuation.finish(throwing: VoxOverError.sseStreamFailed(\"HTTP \\((response as? HTTPURLResponse)?.statusCode ?? -1)\"))\n                        return\n                    }\n                    for try await line in asyncBytes.lines {\n                        guard line.hasPrefix(\"data: \") else { continue }\n                        let payload = String(line.dropFirst(6))\n                        guard let data = payload.data(using: .utf8) else { continue }\n                        let event = try self.decoder.decode(ProgressEvent.self, from: data)\n                        continuation.yield(event)\n                        if event.type == \"done\" || event.type == \"error\" {\n                            continuation.finish()\n                            return\n                        }\n                    }\n                    continuation.finish()\n                } catch {\n                    continuation.finish(throwing: error)\n                }\n            }\n        }\n    }\n\n    /// Poll-based fallback for job status when SSE connection is interrupted.\n    func jobResult(jobId: String) async throws -> JobResult {\n        let url = base.appending(path: \"/jobs/\\(jobId)/result\")\n        let (data, resp) = try await URLSession.shared.data(from: url)\n        guard let http = resp as? HTTPURLResponse, http.statusCode == 200 else {\n            throw VoxOverError.apiError(\"jobResult failed\")\n        }\n        return try decoder.decode(JobResult.self, from: data)\n    }\n\n    // ── Settings ──────────────────────────────────────────────────────────────\n\n    func loadSettings() async throws -> AppConfig {\n        let (data, _) = try await URLSession.shared.data(from: base.appending(path: \"/settings\"))\n        let json = (try JSONSerialization.jsonObject(with: data) as? [String: Any]) ?? [:]\n\n        let defaults = json[\"defaults\"] as? [String: Any] ?? [:]\n        let deepseek = json[\"deepseek\"] as? [String: Any] ?? [:]\n        let openai = json[\"openai\"] as? [String: Any] ?? [:]\n        let anthropic = json[\"anthropic\"] as? [String: Any] ?? [:]\n        let ollama = json[\"ollama\"] as? [String: Any] ?? [:]\n        let translation = json[\"translation\"] as? [String: Any] ?? [:]\n        let ui = json[\"ui\"] as? [String: Any] ?? [:]\n\n        return AppConfig(\n            whisperModel: defaults[\"whisper_model\"] as? String ?? \"medium\",\n            sourceLang: defaults[\"source_lang\"] as? String ?? \"Chinese\",\n            targetLang: defaults[\"target_lang\"] as? String ?? \"English\",\n            translationBackend: defaults[\"translation_backend\"] as? String ?? \"deepseek\",\n            deepseekApiKey: deepseek[\"api_key\"] as? String ?? \"\",\n            deepseekModel: deepseek[\"model\"] as? String ?? \"deepseek-chat\",\n            deepseekBaseUrl: deepseek[\"base_url\"] as? String ?? \"https://api.deepseek.com/v1\",\n            openaiApiKey: openai[\"api_key\"] as? String ?? \"\",\n            openaiModel: openai[\"model\"] as? String ?? \"gpt-4o-mini\",\n            openaiBaseUrl: openai[\"base_url\"] as? String ?? \"https://api.openai.com/v1\",\n            anthropicApiKey: anthropic[\"api_key\"] as? String ?? \"\",\n            anthropicModel: anthropic[\"model\"] as? String ?? \"claude-3-5-haiku-20241022\",\n            ollamaHost: ollama[\"host\"] as? String ?? \"http://localhost:11434\",\n            ollamaModel: ollama[\"model\"] as? String ?? \"qwen2.5:7b\",\n            ollamaAutoPull: ollama[\"auto_pull\"] as? Bool ?? true,\n            softSubtitles: ui[\"soft_subtitles\"] as? Bool ?? true,\n            burnSubtitles: ui[\"burn_subtitles\"] as? Bool ?? true,\n            fontName: ui[\"font_name\"] as? String ?? \"Arial\",\n            fontSize: ui[\"font_size\"] as? Int ?? 24,\n            fontColor: ui[\"font_color\"] as? String ?? \"white\",\n            subtitleAlign: ui[\"subtitle_align\"] as? String ?? \"bottom-center\",\n            marginV: ui[\"margin_v\"] as? Int ?? 20,\n            parallelTranslation: translation[\"parallel_enabled\"] as? Bool ?? true,\n            maxWorkers: translation[\"parallel_workers\"] as? Int ?? 4,\n            autoGenerateContext: translation[\"context_enabled\"] as? Bool ?? false,\n            translationContext: translation[\"manual_context\"] as? String ?? \"\"\n        )\n    }\n\n    func saveSettings(_ config: AppConfig) async throws {\n        var urlReq = URLRequest(url: base.appending(path: \"/settings\"))\n        urlReq.httpMethod = \"POST\"\n        urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n        let payload: [String: Any] = [\n            \"whisper_model\": config.whisperModel,\n            \"source_lang\": config.sourceLang,\n            \"target_lang\": config.targetLang,\n            \"translation_backend\": config.translationBackend,\n            \"deepseek_api_key\": config.deepseekApiKey,\n            \"deepseek_model\": config.deepseekModel,\n            \"deepseek_base_url\": config.deepseekBaseUrl,\n            \"openai_api_key\": config.openaiApiKey,\n            \"openai_model\": config.openaiModel,\n            \"openai_base_url\": config.openaiBaseUrl,\n            \"anthropic_api_key\": config.anthropicApiKey,\n            \"anthropic_model\": config.anthropicModel,\n            \"ollama_host\": config.ollamaHost,\n            \"ollama_model\": config.ollamaModel,\n            \"ollama_auto_pull\": config.ollamaAutoPull,\n            \"parallel_enabled\": config.parallelTranslation,\n            \"parallel_workers\": config.maxWorkers,\n            \"context_enabled\": config.autoGenerateContext,\n            \"translation_context\": config.translationContext,\n            \"soft_subtitles\": config.softSubtitles,\n            \"burn_subtitles\": config.burnSubtitles,\n            \"font_name\": config.fontName,\n            \"font_size\": config.fontSize,\n            \"font_color\": config.fontColor,\n            \"subtitle_align\": config.subtitleAlign,\n            \"margin_v\": config.marginV,\n        ]\n        urlReq.httpBody = try JSONSerialization.data(withJSONObject: payload)\n        _ = try await URLSession.shared.data(for: urlReq)\n    }\n\n    // ── Models ────────────────────────────────────────────────────────────────\n\n    func ollamaModels(host: String) async throws -> [String] {\n        var components = URLComponents(url: base.appending(path: \"/models/ollama\"), resolvingAgainstBaseURL: false)\n        components?.queryItems = [URLQueryItem(name: \"host\", value: host)]\n        var urlReq = URLRequest(url: components?.url ?? base.appending(path: \"/models/ollama\"))\n        urlReq.httpMethod = \"GET\"\n        let (data, _) = try await URLSession.shared.data(for: urlReq)\n        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n        return (json?[\"models\"] as? [String]) ?? []\n    }\n\n    func deepseekModels(apiKey: String, baseUrl: String) async throws -> [String] {\n        var urlReq = URLRequest(url: base.appending(path: \"/models/deepseek\"))\n        urlReq.httpMethod = \"POST\"\n        urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n        urlReq.httpBody = try JSONSerialization.data(withJSONObject: [\"api_key\": apiKey, \"base_url\": baseUrl])\n        let (data, _) = try await URLSession.shared.data(for: urlReq)\n        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n        return (json?[\"models\"] as? [String]) ?? []\n    }\n\n    func generateTranslationContext(formState: ProcessingFormState) async throws -> String {\n        let body: [String: Any] = [\n            \"translation_backend\": formState.translationBackend,\n            \"source_lang\": formState.sourceLang,\n            \"target_lang\": formState.targetLang,\n            \"video_description\": formState.translationContext,\n            \"deepseek_api_key\": formState.deepseekApiKey,\n            \"deepseek_model\": formState.deepseekModel,\n            \"deepseek_base_url\": formState.deepseekBaseUrl,\n            \"openai_api_key\": formState.openaiApiKey,\n            \"openai_model\": formState.openaiModel,\n            \"openai_base_url\": formState.openaiBaseUrl,\n            \"anthropic_api_key\": formState.anthropicApiKey,\n            \"anthropic_model\": formState.anthropicModel,\n            \"ollama_host\": formState.ollamaHost,\n            \"ollama_model\": formState.ollamaModel,\n        ]\n        var urlReq = URLRequest(url: base.appending(path: \"/generate_context\"))\n        urlReq.httpMethod = \"POST\"\n        urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n        urlReq.httpBody = try JSONSerialization.data(withJSONObject: body)\n        let (data, resp) = try await URLSession.shared.data(for: urlReq)\n        guard let http = resp as? HTTPURLResponse, http.statusCode == 200 else {\n            let detail = (try? JSONSerialization.jsonObject(with: data) as? [String: Any])?[\"detail\"] as? String ?? \"Unknown error\"\n            throw VoxOverError.apiError(detail)\n        }\n        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n        return (json?[\"context\"] as? String) ?? \"\"\n    }\n\n    /// Stream Ollama model pull progress. Yields (pct, message) tuples.\n    func pullOllamaModel(host: String, model: String) -> AsyncThrowingStream<(Double, String), Error> {\n        AsyncThrowingStream { continuation in\n            Task {\n                var urlReq = URLRequest(url: self.base.appending(path: \"/ollama/pull\"))\n                urlReq.httpMethod = \"POST\"\n                urlReq.setValue(\"application/json\", forHTTPHeaderField: \"Content-Type\")\n                urlReq.httpBody = try JSONSerialization.data(withJSONObject: [\"host\": host, \"model\": model])\n                do {\n                    let (asyncBytes, _) = try await URLSession.shared.bytes(for: urlReq)\n                    for try await line in asyncBytes.lines {\n                        guard line.hasPrefix(\"data: \"),\n                              let data = String(line.dropFirst(6)).data(using: .utf8),\n                              let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]\n                        else { continue }\n                        let pct = json[\"pct\"] as? Double ?? 0\n                        let msg = json[\"msg\"] as? String ?? \"\"\n                        continuation.yield((pct, msg))\n                        if json[\"type\"] as? String == \"done\" {\n                            continuation.finish(); return\n                        }\n                    }\n                    continuation.finish()\n                } catch {\n                    continuation.finish(throwing: error)\n                }\n            }\n        }\n    }\n}\n"}}}}