refactor: unify skills+cli runtime and streamline ag-ui flow

docs/protocols/ui/ui-schema.md

@@ -294,8 +294,8 @@ interface NavigateAction {
 // 2) path MUST NOT include query string or fragment.
 // 3) params, when provided, is treated as query params only.
 // 4) params values MUST be scalar (string | number | boolean).
-// 5) Backend MUST generate path from route catalog
-//    `backend/src/core/config/static/route/frontend_routes.yaml`.
+// 5) Backend/tool layer MUST generate concrete internal path directly.
+//    Agent prompt does not carry route catalog contract.
 
 // URL action
 interface UrlAction {