feat(cabr): add SQLite persistence for consensus audit trails#580
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Local SQLite storage for CABRConsensusRecord audit trails: - CABRConsensusStore with initialize_schema/save/get/list/exists - Immutable append-only rows keyed by deterministic record_id/hash - Duplicate record_id handled idempotently (ALREADY_EXISTS) - WAL journal mode, caller-provided DB path - Fail-closed on schema/write errors 35 tests + 131 regression = 166 total tests passing. WSP 97: Persistence is evidence storage only. Truth fields stored exactly as provided (all False). No automatic state progression, no payout/DAO fields. Slice: CABR_CONSENSUS_FINALIZATION_PHASE2_SQLITE_AUDIT_TRAIL Worker: W1 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
WSP 97 Compliance
Test plan
Slice: CABR_CONSENSUS_FINALIZATION_PHASE2_SQLITE_AUDIT_TRAIL
Worker: W10
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