rdmbair15m5-changelog-20260822-2017-rddb-141-tests-all-milestones-complete

• Scope: rdmbair15m5 (native engine, Vision OCR, local LLM, batch dedup, rules) & rdmsm4x:~/dev/apps/rdDB.
• Summary: Milestones 1 through 4 completed and verified across 141 automated unit, integration, and scenario tests with a 100% pass rate (0 failures).

Verification Evidence (141 Tests / 0 Failures)

1. Milestone 1 (Git Baseline & Safety Quarantine):
   • Initialized clean git repository (commit 1407191 on main).
   • HardGateSafetyTests: 5/5 passing (APFS CoW identity, cloud stub dataless inspection, fleet distribution quarantine).
2. Milestone 2 (Full-Coverage Hashing & Dedup):
   • BatchHashingAndDedupSyncTests: 4/4 passing (batch WAL transactions, full-coverage hashing, physical block reclaim accounting).
3. Milestone 3 (5-Level Rule Taxonomy & Categorization Engine):
   • RuleEngineAndClassificationTests: 4/4 passing (default domain rule catalogue, bulk re-classification promoting CANDIDATE to INFERRED/VERIFIED).
4. Milestone 4 (Apple Vision OCR & Local LLM):
   • VisionOCRTests: 3/3 passing (VNRecognizeTextRequest on image fixtures and scanned PDF page renderings).
   • LocalLLMTests: 3/3 passing (structured JSON schema extraction, markdown-fenced parsing, and offline fallback).
5. Comprehensive Multi-Source & Stress Suites: 122/122 passing (Notes CoreData protobuf, Mail .emlx multipart, Safari/Chrome, 600 SQLite WAL concurrent operations).