fix(collab): admit exact host build roots

routing/public-navigation-anchor.json

@@ -1,7 +1,7 @@
 {
   "schema": "guanghu.public-navigation-anchor/v1",
   "anchor_id": "GLW-PUBLIC-NAV-ANCHOR-001",
-  "version": "2026-09-09.6-channel-alias-and-collaboration-launch",
+  "version": "2026-09-09.7-first-collaborative-development",
   "state": "CURRENT_CANONICAL",
   "repository_id": "REPO-012",
   "branch": "main",
@@ -171,7 +171,7 @@
     "tcs_mother_root_navigation": {
       "path": "routing/tcs-mother-root-dynamic-navigation-map.json",
       "id": "TCS-MOTHER-ROOT-DYNAMIC-NAVIGATION-MAP-001",
-      "version": "2026-09-09.5-hololake-native-stage1",
+      "version": "2026-09-09.7-first-collaborative-development",
       "load_policy": "FIRST_BEFORE_WORLD_DOMAIN_HUMAN_PERSONA_CHANNEL_OR_HOST_ROUTE_RESOLUTION"
     },
     "fifth_domain_lighthouse_sanitized_mirror": {