jordan 42d4e09508 feat: Index persistence (Phase 5C) - vector hot/cold, visual checkpoint ... Phase 5C (Index Persistence) implementation: - PersistentVectorIndex with hot/cold architecture - Hot: in-memory HNSW for recent vectors - Cold: memory-mapped HNSW loaded from disk - Background builder for WAL replay and atomic swap - BLAKE3 integrity verification - PersistentVisualIndex with checkpoint persistence - BkTreeSnapshot with rkyv serialization - CRC32C corruption detection - Atomic write pattern (temp → fsync → rename) - Key codec additions for vector index metadata - Split large files into modules (<500 lines each) - battery_pre_sentinel.rs → battery/ directory - visual_index.rs → visual_index/ directory - persistent.rs → persistent/ directory - Refactored ingest worker tests for clarity - Updated roadmap to mark Phase 5 complete Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>		2026-02-02 15:43:18 -07:00
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implementation-audit-checklist.md	feat: Index persistence (Phase 5C) - vector hot/cold, visual checkpoint	2026-02-02 15:43:18 -07:00