refactor: simplify endpoint and capabilities

api/openapi.yaml

@@ -223,9 +223,9 @@ paths:
                       - uri: "/api/tasks/control"
                         method: 3
 
-  /api/node/capabilities:
+  /api/node/endpoints:
     get:
-      summary: Get API endpoint capabilities
+      summary: Get API endpoints
       description: |
         Returns detailed information about all available API endpoints,
         including their parameters, types, and validation rules.
@@ -235,11 +235,11 @@ paths:
       
       responses:
         '200':
-          description: Capabilities retrieved successfully
+          description: Endpoints retrieved successfully
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/CapabilitiesResponse'
+                $ref: '#/components/schemas/EndpointsResponse'
               examples:
                 default:
                   summary: Default response
@@ -971,7 +971,7 @@ components:
           items:
             $ref: '#/components/schemas/ApiEndpoint'
     
-    CapabilitiesResponse:
+    EndpointsResponse:
       type: object
       required:
         - endpoints