fix: add retry backoff on transient failures

fix: harden postgres checkpointer connections

fix: update neo4j driver liveness option

fix: staged graph query updates

fix: refactor neo4j driver to singleton to prevent connection exhaustion

fix: use request scoped neo4j drivers

fix: preflight neo4j driver before queries

fix: harden graph retrieval retries

fix: retry transient graph invocations

fix: harden neo4j driver lifecycle

fix: recover neo4j graph connections

Merge branch 'main' into hf-sync-temp

fix(api): support Aura Neo4j env names

Merge branch 'main' into hf-sync-temp

fix(api): degrade gracefully when graph is unavailable

Merge branch 'main' into hf-sync-temp

fix(api): avoid asyncio shadowing in lifespan

Merge branch 'main' into hf-sync-temp

topology fix

chore: update cloud DB config and RAG docs (excluding .env)

chore: revert frontend build/serving in HF space as it is on Vercel

fix: build and serve frontend via FastAPI for HF Space support

feat(eval): RAGAS evaluation framework + RAG pipeline improvements

refactor(nodes): thin wrappers delegating to VectorRetriever and Reranker

feat(retrieval): implement Reranker with score-gap filtering and FlashRank

feat(retrieval): implement VectorRetriever with rrf_merge and retrieve

fix: improve RAG retrieval quality and reduce generator hallucination

fix: deterministic doc_id prevents duplicate chunks on re-ingest

fix: FTS uses OR-based websearch_to_tsquery instead of AND-based plainto_tsquery

fix: prepend section_title to embedded text so sub-chunks retain section context

fix: relax reranker thresholds to prevent aggressive chunk filtering

fix: strengthen generator grounding to prevent hallucination on sparse contexts

feat: inject no_reasoning=true into litellm.completion when using osmapi

feat: filter reranker output by score threshold + score-gap brake

feat: add _apply_score_gap() helper for dynamic top-k reranking

feat: make _get_ranker() use settings.reranker_model

feat: add reranker_model, score_threshold, score_gap settings

chore: bump to v1.0.0 + update docs with Vercel live URL

feat: decouple frontend + multi-turn conversation + graph explorer + CAG layer

graph_retriver.py SQLAlchemy Session Across Parallel Coroutines

fix: expose public get_driver() alias for lifespan import

fix(perf): parallel jurisdiction traversal + fix driver.close() in read ops

main.py dark mode

main.py fix to render HTML instead of returning plain HTML str

main.py html fix

feat(ui): landing page at / in main FastAPI app

feat(embedder): replace Ollama with sentence-transformers local inference

feat(phase4): multi-state RERA expansion + pipeline hardening

feat: Phase 6 complete — Tamil Nadu RERA Rules 2017

feat: Phase 5 complete — Karnataka RERA Rules 2017