docs(ecosystem): boundary alignment and route audit (STATE-WP-0074)

Add ecosystem position to INTENT/SCOPE/README, publish hub-ecosystem-route-audit,
update workstream-coordinate capability relations, and record legacy-meter
weekly review evidence.

registry/capabilities/capability.statehub.workstream-coordinate.md

@@ -82,11 +82,15 @@ availability:
     - HTTP REST
 
 relations:
-  depends_on: []
+  depends_on:
+    - capability.infotech.hub-core-library
   supports:
     - capability.registry.register
+    - capability.infotech.core-hub
   related_to:
     - capability.statehub.progress-log
+    - capability.infotech.hub-core-library
+    - capability.infotech.core-hub
 
 evidence:
   documentation: