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status: ${response.status}`);\n }\n\n const data = await response.json();\n return {\n success: true,\n data\n };\n } catch (error: any) {\n console.error(`API request failed for ${endpoint}:`, error);\n return {\n success: false,\n error: error.message,\n message: 'Request failed'\n };\n }\n }\n\n // Chat endpoints\n async sendChatMessage(request: ChatRequest): Promise> {\n return this.request('/chat', {\n method: 'POST',\n body: JSON.stringify(request),\n });\n }\n\n async streamChatMessage(request: ChatRequest): Promise {\n const url = `${this.baseUrl}/chat/stream`;\n const response = await fetch(url, {\n method: 'POST',\n headers: {\n 'Content-Type': 'application/json',\n },\n body: JSON.stringify(request),\n });\n\n if (!response.ok) {\n throw new Error(`HTTP error! status: ${response.status}`);\n }\n\n return response;\n }\n\n async getChatHistory(sessionId: string): Promise> {\n return this.request(`/chat/history/${sessionId}`);\n }\n\n // Embedding endpoints\n async generateEmbedding(request: EmbeddingRequest): Promise> {\n return this.request('/embeddings/generate', {\n method: 'POST',\n body: JSON.stringify(request),\n });\n }\n\n async searchSimilarContent(query: {\n text?: string;\n embedding?: number[];\n limit?: number;\n threshold?: number;\n }): Promise> {\n return this.request('/embeddings/search', {\n method: 'POST',\n body: JSON.stringify(query),\n });\n }\n\n // Health check endpoints\n async healthCheck(): Promise> {\n return this.request('/health');\n }\n\n async chatHealthCheck(): Promise> {\n return this.request('/chat/health');\n }\n\n async embeddingsHealthCheck(): Promise> {\n return this.request('/embeddings/health');\n }\n\n // Utility methods\n isOnline(): boolean {\n return navigator.onLine;\n }\n\n async checkConnectivity(): Promise {\n try {\n const result = await this.healthCheck();\n return result.success;\n } catch {\n return false;\n }\n }\n}\n\n// Create singleton instance\nexport const apiClient = new ApiClient();\n\n// Export for use in components\nexport default apiClient;","deleted","label",[166,167,149],"frontend","services","permalink","https://www.val.town/x/zee1205/nelsongpt/code/frontend/services/api.ts","extension","actionData","errors"]