doc update

casan-next-plans/CASAN_PLAN_00_INDEX.md

@@ -34,6 +34,7 @@
 | 14 | `CASAN_PLAN_14_RBAC.md` | RBAC & quản trị đa dự án (multi-tenant) | 📋 |
 | 15 | `CASAN_PLAN_15_RESPONSIBLE_AI_DATA_GOV.md` | Responsible AI & Data Governance (FPT §14.3–14.4) | 📋 |
 | 16 | `CASAN_PLAN_16_SECURITY_AUDIT_REMEDIATION.md` | Security audit core harness + kế hoạch vá (tamper-evidence/injection/fail-open) | 📋 audit xong |
+| 17 | `CASAN_PLAN_17_LOOP_ENGINEERING.md` | Loop Engineering / Agentic Loop Governance (budget governor, convergence, verify-contract, loop trace/replay, meta-loop) | 📋 |
 | Future | `CASAN_PLAN_FUTURE_PHASES.md` | Approval workflow, state machine, benchmark, memory, remediation, KPI | 💤 vision |
 
 > **Không có plan số 11:** số 11 được bỏ trống có chủ ý — nhánh eval/traceability đã
@@ -81,6 +82,9 @@ flowchart LR
     P14["14 RBAC"] --> P13
     P04 --> P13
     P13 --> P15["15 Responsible AI<br/>& Data Governance"]
+    P13 --> P17["17 Loop Engineering<br/>Agentic Loop Governance"]
+    P10X --> P17
+    P04 --> P17
     style CORE fill:#d0e8ff,stroke:#2c3e91,stroke-width:2px
     style STRONG fill:#d0ffd0,stroke:#1e8449,stroke-width:2px
 ```