fix(opax-mcp): use canonical service URL for agent and smoke test

cloudbuild.mcp.yaml

@@ -70,7 +70,7 @@ steps:
       - '-c'
       - |
         echo "=== MCP Smoke Test ==="
-        SVC_URL="https://opax-mcp-zjbqp3prqq-uc.a.run.app"
+        SVC_URL="https://opax-mcp-357036551735.us-central1.run.app"
         echo "Service URL: $$SVC_URL"
         TOKEN=$$(curl -s -H "Metadata-Flavor: Google" \
           "http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/identity?audience=$$SVC_URL&format=full")
@@ -91,7 +91,7 @@ steps:
         WH_URL=$$(gcloud secrets versions access latest \
           --secret=webhook-url --project=${PROJECT_ID} 2>/dev/null || echo "")
         if [[ -n "$$WH_URL" ]]; then
-          MSG="✅ opax-mcp deploy fullført\nCommit: $COMMIT_SHA\nService: opax-mcp (${_REGION})\nhttps://opax-mcp-zjbqp3prqq-uc.a.run.app"
+          MSG="✅ opax-mcp deploy fullført\nCommit: $COMMIT_SHA\nService: opax-mcp (${_REGION})\nhttps://opax-mcp-357036551735.us-central1.run.app"
           curl -s -X POST "$$WH_URL" \
             -H 'Content-Type: application/json' \
             -d "{\"text\": \"$$MSG\"}" || true