Gateway/Plugins: device pairing + phone control plugins (#11755)

extensions/device-pair/openclaw.plugin.json

@@ -0,0 +1,20 @@
+{
+  "id": "device-pair",
+  "name": "Device Pairing",
+  "description": "Generate setup codes and approve device pairing requests.",
+  "configSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {
+      "publicUrl": {
+        "type": "string"
+      }
+    }
+  },
+  "uiHints": {
+    "publicUrl": {
+      "label": "Gateway URL",
+      "help": "Public WebSocket URL used for /pair setup codes (ws/wss or http/https)."
+    }
+  }
+}