feat: prepare Zhinian desktop client for pilot release

resources/openclaw-plugins/cloud-sync/openclaw.plugin.json

@@ -0,0 +1,28 @@
+{
+  "id": "cloud-sync",
+  "name": "OpenClaw Cloud Sync",
+  "description": "Back up and restore OpenClaw configuration snapshots.",
+  "version": "0.1.0",
+  "configSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {
+      "serverUrl": {
+        "type": "string"
+      },
+      "helperPath": {
+        "type": "string"
+      }
+    },
+    "required": ["serverUrl"]
+  },
+  "uiHints": {
+    "serverUrl": {
+      "label": "Cloud Sync Server URL",
+      "placeholder": "https://sync.example.com"
+    },
+    "helperPath": {
+      "label": "Helper binary path"
+    }
+  }
+}