feat: update API routers, dashboard, graph panel, and gap table UI

refactor(agent): semantic topic index, label-free gaps, decluttered prompt

feat(pipeline): RAG quality gate, live coverage, streaming API, recursion limit

fix(agent): rank gaps by score, fuzzy topic filter, stream in web API

feat(observability): INFO-level logging across all agent components

refactor(pipeline): metadata-driven coverage, per-topic scroll, pure gap fn

feat(kg): COVERED_BY edges, wipe script, scroll_all, docs_for_topic

feat(topics): mine 667 GDELT WB-taxonomy topics + orgs for 2026-06-14

feat(kb): Solid Gartner KB — cross-industry Wikidata seed, Wikidata-native relationships, 7-day signal cache

feat(agent): implement comprehensive logging and fix recursion loop

feat(api): implement FastAPI read-side layer with 4 endpoints and OpenAPI contract

feat(agent): revert weight bar overrides, restore original illustrative queries, and print responses first

feat(agent): implement end-to-end client demand sensing demo script

feat(agent): implement production-ready LangGraph ReAct agent

feat(graph): implement lean Neo4j Knowledge Graph build with spaCy NER

feat(gap): implement ultra-lean GapScore engine and reporting

feat(signals): implement external trends signals with cache-aside TTL

feat(rag): implement cited RAG answer generation

feat(retrieval): implement hybrid search with cross-encoder reranking

feat(p2): implement data ingestion pipeline with dense and BM25 sparse vectors

feat(p2): add download_data.sh + gitignore data/

feat(phase-1): bootstrap project scaffold and connectivity layer