fix: index many-to-many query invalidation

config/contracts/registry-change-evidence.json

@@ -9,6 +9,14 @@
       "rollback": "Restore the V1 writer in scripts/generate-build-manifest.ts and the scalar key in public/config.json; the V1 reader is still present.",
       "owner": "frontend-platform"
     },
+    {
+      "changeId": "FE-REG-QUERY:*:*:removed",
+      "versionBump": "Query invalidation composition moves from the legacy flat query registry to the bounded many-to-many invalidation graph.",
+      "migration": "Installed feature contracts now contribute topics, namespace identities, edges, and separate wire versions; bootstrap validates and indexes those contributions before constructing coordinators.",
+      "compatibilityWindow": "Cross-context envelopes remain opaque topic/version pairs and release cache epochs isolate mixed releases; no query keys or cached values cross contexts.",
+      "rollback": "Restore the flat QUERY_REGISTRY composition and its coordinator adapter together with the prior governance entry.",
+      "owner": "frontend-platform"
+    },
     {
       "changeId": "FE-REG-QUERY:$contract:allowedValues:contract-field-changed",
       "versionBump": "Cross-context invalidation wire protocol starts at version 1.",