feat(graph): two-tier L3 alignment thresholds + reconcile co-mention hint — same-type 0.85, cross-type 0.92

feat(graph): L3 semantic entity alignment via bge embeddings

feat(graph): cross-chunk relation reconciliation — top-K co-occurrence LLM pair check

feat(graph): map-reduce KG extraction — per-chunk two-pass under key-pool concurrency

feat(groq): round-robin key pool + fallthrough on 429/413

deploy: retrieval v2 + verifier tightening

deploy: chat model picker + gpt-oss-120b default

deploy: gpt-oss-120b for extraction

deploy: hybrid retrieval + reranker

chore: sync backend code (no worker-path changes)

feat: video ingest (cv2 + ffmpeg)

qdrant: payload indexes via shared ensure_collection

phase 3

deploy phase 2

initial worker deploy