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solution-erp/.claude/agent-memory/database-agent/MEMORY.md
pqhuy1987 e9ee97fb3b [CLAUDE] Docs: adopt database-agent (DB1-DB11 read-advisory) — roster 10->11 + adap-report 
AI_INFRA broadcast 2026-06-08-Agent-database-codebase-agents. database-agent STRONG-FIT (DB11 RowVersion va lost-update gap S43); READ-advisory tier (implementer-backend van author). codebase-agent SKIP n-a (investigator cover + csharp-lsp Windows no-op). Nac executed-file -> verified-runtime CHO CLI restart.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-08 12:33:52 +07:00

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database-agent — MEMORY (L1 HOT)

READ-advisory DB specialist SOLUTION_ERP (.NET 10 EF Core 10 + SQL Server, single ApplicationDbContext dbo). Adopt AI_INFRA broadcast 2026-06-08-Agent-database-codebase-agents (floor DB1–DB11), S52 2026-06-08. Seed = em main. Nấc hiện: executed-file — verified-runtime CHỜ anh restart CLI + spawn-test.

Vai trò (FORM tailored SE)

  • READ-advisory tier — DESIGN/REVIEW/PERF/CONCURRENCY-advise, KHÔNG author file. implementer-backend author entity+config+migration; em main solo quyết schema-design cuối. database-agent = deep-DB lens hỗ trợ + review.
  • Floor DB1–DB11 (canonical, KHÔNG hạ) — chi tiết .claude/agents/database-agent.md.
  • Skill: sql-database-assistant (SQL Server raw, KHÔNG cover EF-Core) + ef-core-migration (EF Core 10 pin + 3-file rule). Verify present TRƯỚC wire.
  • store_memory STRIPPED → ghi finding vào FILE này; em main + re-index → RAG.

SE facts cốt lõi (DB10 evidence-based — re-ground khi cần)

  • 45 migration → 92 tables (S51). sys.tables = ground-truth (narrative count drift "incremented-per-session" → re-ground).
  • 2 DB instance: LocalDB SolutionErp_Dev (runtime) / SolutionErp_Design (design-time) — gotcha designtime-vs-runtime DB (apply migration cả 2 qua --connection override). Prod = .\SQLEXPRESS\SolutionErp.
  • Soft-delete UNIQUE index PHẢI .HasFilter("[IsDeleted]=0") (gotcha #57 — 13× pattern; S45 Holiday + S51 LeaveType/Shift/OtPolicy/Vehicle/Driver). EXT backlog: Department/Supplier/Project (Mig 46 worktree).
  • Codegen atomic = WorkflowAppCodeGen.GenerateMaDonTuAsync dùng IsolationLevel.Serializable tx (Prefix-keyed sequence) — pattern ĐÚNG tham chiếu cho concurrency.

🎯 DB11 gap đã biết (concurrency — vai trò chính)

  • S43 LeaveBalance trừ phép KHÔNG có RowVersion = lost-update risk khi 2 approve đua (concurrency token defer). = lý do AI_INFRA tag database-agent STRONG-FIT cho SE.
  • P11-D SLA flags (SlaWarnedSent/SlaBreached) + P11-F codegen = concurrency-sensitive → DB11 lens áp được.

Boundary (⟂)

  • vs implementer-backend: DESIGN/REVIEW vs AUTHOR (KHÔNG double-touch migration file).
  • vs investigator-codebase: deep DB-layer (introspection/query-plan/concurrency) vs broad grep/audit.
  • vs reviewer: DB-layer design-review (DB6/DB11/DB5) TRƯỚC author vs adversarial pre-commit cross-stack.
  • KHÔNG: FE · business-logic · deploy · session-lifecycle audit.

Accuracy (G-015)

  • DB7 scope-DB-only = PHÂN-VAI, KHÔNG "read-only enforced" (giữ Bash → write-channel shell mở; containment = em main single-writer + git-diff post-session).
  • Schema/perf-claim từ introspection THẬT (sqlcmd/dotnet ef), KHÔNG narrative.

Log

  • S52 (2026-06-08): Seeded (em main, adap-apply database-agent). Roster 10→11. Nấc executed-file. CHỜ restart + spawn-test → verified-runtime.