[CLAUDE] Docs: S44 monthly drift audit + AI_INFRA bundle 06-01 adopt

Cadence audit (2026-06-01), docs-only -> CI-skip. investigator-codebase
drift scan (ground-truth from disk) -> em main patch. No code touched,
154 test unchanged.

Drift fixes (42 count corrections): 40->42 mig, 84/59/55/47->91 tables,
130/111->154 test, 52/49->56 gotcha across CLAUDE.md, docs/CLAUDE.md,
ef-core-migration + dependency-audit skills, schema-diagram, database-guide.
schema-diagram migration table extended Mig 17-42; ef-core history Mig 27-42;
detailed-section gap (Mig 27-42 modules) flagged explicit (deferred, not silent).

AI_INFRA bundle 06-01 (federated, full scope):
- A: RAG T1/T2 auto-ack
- C: hygiene 7/7 agent-mem L1 <=16KB; "25KB"->"~30KB tiered" wording x7
- D: #4 self-sustaining adoption-report step -> /session-end Phase 6.3
- E/F: report + ledger -> docs/governance/

Carry-over .mcp.json + BROADCAST-05-29 left untouched (concurrency rule).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docs/database/database-guide.md

@@ -1,7 +1,7 @@
 # Database Guide — SOLUTION_ERP
 
 > **DB engine:** SQL Server 2022 (LocalDB dev, full instance prod)
-> **ORM:** EF Core 10 Code-First migrations — **47 bảng, 13 migration** (Init → AddPurchaseEvaluationCodeSequences)
+> **ORM:** EF Core 10 Code-First migrations — **91 bảng, 42 migration** (Init → AddLeaveBalances)
 > **DbContext:** [`ApplicationDbContext`](../../src/Backend/SolutionErp.Infrastructure/Persistence/ApplicationDbContext.cs) extends `IdentityDbContext<User, Role, Guid>`
 > **Current schema + ERD:** xem [`schema-diagram.md`](schema-diagram.md) (luôn cập nhật)
 >