merge(cleanup): second legacy inventory -- vector index, equality test, unread config keys, status notes

Also drops the removed ousast index line from the scan skill.

Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo

.kiro/specs/ai-service-plane/spec.json

@@ -1,9 +1,9 @@
 {
   "feature_name": "ai-service-plane",
   "created_at": "2026-09-29T15:40:00Z",
-  "updated_at": "2026-09-29T17:55:00Z",
+  "updated_at": "2026-10-02T00:00:00Z",
   "language": "en",
-  "phase": "implementation",
+  "phase": "implementation-complete",
   "approvals": {
     "requirements": {
       "generated": true,

.kiro/specs/contributor-scan/requirements.md

@@ -1,5 +1,7 @@
 # Requirements Document: contributor-scan
 
+> **Status 2026-10-02:** paused since 2026-09-23 (its last change). 27 of 51 tasks done: the MAP integration was delivered and `v1.2.0-alpha.1` rolled out NO-GO (`census-repair-verification.md`); the remaining tasks wait on `pre-push-safety-net` M2/M3 and nothing here moved after the ax plane landed. Not active.
+
 ## Introduction
 
 `model-grounded-detection` built an arbiter and measured it: 41.3% of the corpus reaches `model_entailed`

.kiro/specs/finding-feedback-loop/requirements.md

@@ -1,5 +1,7 @@
 # Requirements Document: finding-feedback-loop
 
+> **Status 2026-10-02:** dormant. Requirements approved and design generated on 2026-09-09; the design was never approved and no tasks exist. It depends on `contributor-scan`, which is paused; reopen it with that spec.
+
 ## Introduction
 
 Nine engine defects were found in one session against two repositories. **Three were the same bug in three