feat(registry): 插件与应用关系契约4.2 / plugin and application contract (#10)

* feat(registry): 增加插件贡献与应用依赖的4.2契约

* fix(registry): preserve legacy App manifests for published clients

---------

Co-authored-by: yi-ge <6657330+yi-ge@users.noreply.github.com>

entries/openclaw/manifest.json

@@ -45,5 +45,12 @@
       "path": "/",
       "name": "OpenClaw Gateway"
     }
+  ],
+  "entrypoints": [
+    {
+      "id": "manage",
+      "name": "委派 Agent 打开与维护 OpenClaw",
+      "kind": "agent"
+    }
   ]
 }