refactor: plugin catalog + nextcloud policy

extensions/zalo/package.json

@@ -6,7 +6,23 @@
   "clawdbot": {
     "extensions": [
       "./index.ts"
-    ]
+    ],
+    "channel": {
+      "id": "zalo",
+      "label": "Zalo",
+      "selectionLabel": "Zalo (Bot API)",
+      "docsPath": "/channels/zalo",
+      "docsLabel": "zalo",
+      "blurb": "Vietnam-focused messaging platform with Bot API.",
+      "aliases": ["zl"],
+      "order": 80,
+      "quickstartAllowFrom": true
+    },
+    "install": {
+      "npmSpec": "@clawdbot/zalo",
+      "localPath": "extensions/zalo",
+      "defaultChoice": "npm"
+    }
   },
   "dependencies": {
     "clawdbot": "workspace:*",