feat(kis-collection): finalize sqlite migration, add fallback resilience, and update WBS documentation

governance/todo/v8_9_p3_adoption_plan.yaml

@@ -58,3 +58,19 @@ tasks:
     title: schema/model + decision_flow/manifest 배선 + 전체 검증
     detail: 5개 신규/확장 공식의 schemas/generated + src/quant_engine/models/generated 생성, spec/09_decision_flow.yaml 및 runtime/active_artifact_manifest.yaml 배선, 5개 validator 재실행.
     depends_on: [P3-A, P3-B, P3-C, P3-D, P3-E]
+
+verification:
+  status: DONE
+  validated_at: "2026-06-22"
+  validator: "python tools/validate_v8_9_p3_adoption_plan_v1.py"
+  evidence:
+    - "Temp/v8_9_p3_adoption_plan_v1.json"
+    - "Temp/state_vector_constructor_v1.json"
+    - "Temp/walk_forward_bootstrap_v1.json"
+    - "Temp/transition_set_enumerator_v1.json"
+    - "Temp/rebalance_cadence_gate_v1.json"
+    - "Temp/weekly_legacy_transfer_plan_v1.json"
+  notes:
+    - "P3-A~P3-E builder scripts exist and emitted canonical Temp artifacts."
+    - "spec/09_decision_flow.yaml and runtime/active_artifact_manifest.yaml already reference the five formula IDs."
+    - "DATA_MISSING and NO_TRADE outputs are expected when source data is absent; they do not imply validator failure."