feat: canonicalize duplicate repo identities

fabric/discovery/snapshots/2026-05-24-railiance-bootstrap-update-delta.json

@@ -7,7 +7,7 @@
     "review_state": []
   },
   "current": {
-    "generated_at": "2026-05-24T08:26:01Z",
+    "generated_at": "2026-05-24T12:04:20Z",
     "manifest_fingerprint": "dd279b655d68222a99671c1c875afdaa70ae2f907fd526e6673ddf756bc90dae",
     "manifest_id": "railiance.accountability-roots"
   },
@@ -19,7 +19,7 @@
     "removed": [],
     "unchanged": []
   },
-  "generated_at": "2026-05-24T08:26:31Z",
+  "generated_at": "2026-05-24T12:04:59Z",
   "kind": "AccountabilityUpdateDelta",
   "node_delta": {
     "added": [
@@ -110,14 +110,12 @@
       "identity:repository:railiance-cluster",
       "identity:repository:railiance-enablement",
       "identity:repository:railiance-fabric",
-      "identity:repository:railiance-hosts",
       "identity:repository:railiance-infra",
       "identity:repository:railiance-platform",
       "identity:repository:repo-scoping",
       "identity:repository:state-hub",
       "identity:repository:the-custodian",
       "identity:repository:vergabe-teilnahme",
-      "identity:repository:vergabe_teilnahme",
       "identity:secret-root:fabric-services-railiance-platform-openbao.yaml"
     ],
     "changed": [],
@@ -130,8 +128,8 @@
     "edges_changed": 0,
     "edges_removed": 0,
     "edges_unchanged": 0,
-    "meaningful_change_count": 97,
-    "nodes_added": 96,
+    "meaningful_change_count": 95,
+    "nodes_added": 94,
     "nodes_changed": 0,
     "nodes_removed": 0,
     "nodes_unchanged": 0,