feat: add sync worker to process database queue items and trigger automated FAISS index updates

feat: implement semantic search functionality and engine for project similarity analysis

feat: implement similarity_engine with hybrid scoring and database-backed project comparison logic

feat: implement sync worker service for automated FAISS index rebuilding and project preprocessing

feat: implement database synchronization queue with SQL triggers and a background worker for automated FAISS index rebuilding.

feat: add configuration module, response formatting utilities, and initialized project data structure for recommendation engine

feat: implement hybrid similarity ranking engine with dynamic weighting and originality scoring

feat: implement project synchronization service with database integration and automated embedding updates

feat: implement similarity engine with embedding generation, hybrid ranking, and explainability modules

feat: implement project embedding engine and feature similarity calculation modules

feat: implement similarity engine for hybrid semantic and feature-based project comparison

feat: implement hybrid_ranker for adaptive project similarity scoring and originality calculation

feat: implement project analysis and LLM chat services in api module

Update: hybrid_ranker.py

Update: feature_similarity.py

Update: semantic_search.py

Update: preprocessing.py

feat: implement hybrid ranking engine for semantic and feature-based project similarity

feat: add similarity model package with feature extraction, deduplication, and semantic comparison tools

feat: implement hybrid similarity and originality scoring logic for project ranking

feat: implement hybrid similarity ranking and search engine modules to improve project retrieval accuracy

feat: implement modular hybrid similarity engine with semantic search and feature-based ranking components

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feat: implement hybrid similarity ranking engine with adaptive weighting and score normalization

feat: implement hybrid similarity ranking model and API service integration for project comparison

feat: implement hybrid_ranker.py for multi-metric project similarity scoring and ranking

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fix: use connection context instead of LazyEngine directly for read_sql/to_sql

feat: restore and update project database sync script

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fix: resolve FAISS index not found and TypeError by anchoring paths to __file__ and casting Path to str

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update .gitignore and add scheduler and sync_projects services

add fiels