chore: remove unintended committed files

fix: add try/except with traceback logging to /chat endpoint

feat: improve CELEX citation compliance and fix build_index bugs

phase-2: EURLEX-BERT ONNX INT8 quantization, matrix sharding workflow, EURLEXEmbedder

phase-1: CI workflow, ruff linting, keepalive alerting, VITE_API_URL, pre-commit hooks

phase-0: remove dead code (hfspace/, backend/, render.yaml), update checkpoint scripts

fix: reduce EURLEX-BERT embed batch size from 1024 to 64 to avoid OOM on 7GB runner

fix: split rebuild into 2 jobs (download + build) to bypass 6h timeout

fix: add --from-backup to skip 5h SPARQL crawl by loading chunks from HF backup

fix: EURLEX-BERT uses transformers, not sentence-transformers — implement mean pooling

fix: orphan docstring text from bad merge caused SyntaxError

merge: resolve rollback.sh conflict

feat: complete 4-phase improvement strategy

Incorporate local version improvements: FAISS+SQLite storage, optimized build process, automation scripts

feat: optimize build pipeline with evidence-backed improvements

checkpoint: pre-PNP-refactor state

phase1: backend + build_index (739 docs, 12K chunks)