From 17fac61c702fa68924dd8f93c9bdfb3966bb88c5 Mon Sep 17 00:00:00 2001 From: tanzilahmed0 Date: Sat, 26 Jul 2025 22:51:20 -0700 Subject: [PATCH] Update workdone.md --- workdone.md | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/workdone.md b/workdone.md index e1aa0db..53f2b3a 100644 --- a/workdone.md +++ b/workdone.md @@ -136,6 +136,29 @@ This document provides a comprehensive summary of all work completed on the Smar - API response format matches shared contract expectations - Project system ready for end-to-end testing +### Task B15: LangChain Integration + +- **LangChain Agent Setup:** + - Created `backend/services/llm_service.py` with LangChain agent configuration + - Integrated OpenAI LLM with proper API key validation and error handling + - Set up ZERO_SHOT_REACT_DESCRIPTION agent type for query processing + - Implemented modular LLMService class with singleton pattern for easy import +- **Chat Endpoint Integration:** + - Updated `/chat/{project_id}/message` endpoint to use LangChain agent + - Added graceful fallback to mock responses when OPENAI_API_KEY not configured + - Preserved existing functionality while adding LLM capabilities + - Ready for future SQL and semantic search tool integration +- **Dependencies and Environment:** + - Uncommented and installed langchain, openai, and duckdb in requirements.txt + - All dependencies successfully installed and tested + - Service ready for production use when API key is configured +- **Implementation Details:** + - Minimal, modular code following coding protocol + - No breaking changes to existing functionality + - Clear separation of concerns with dedicated service layer + - Proper error handling and fallback mechanisms + - Ready for testing with real API key or mock fallback + --- ## 3. Infrastructure & DevOps @@ -195,6 +218,7 @@ This document provides a comprehensive summary of all work completed on the Smar - ✅ Responsive UI and data visualization (frontend) - ✅ Comprehensive testing (unit, integration, E2E setup) - ✅ **Project Integration Testing (Task B14)** - Frontend-backend integration verified +- ✅ **LangChain Integration (Task B15)** - LLM agent configured and integrated - ✅ CI/CD and security best practices - ✅ Documentation for API, environment, and development - ✅ CI/CD pipeline and ESLint compatibility fixes (Node 20.x, ESLint v8, config cleanup)