feat: add zalouser channel + directory CLI (#1032) (thanks @suminhthanh)

- Unified UX: channels login + message send; no plugin-specific top-level command\n- Added generic directory CLI for channel identity/groups\n- Docs: channel + plugin pages

extensions/zalouser/index.ts

@@ -0,0 +1,28 @@
+import type { ClawdbotPluginApi } from "../../src/plugins/types.js";
+
+import { zalouserPlugin } from "./src/channel.js";
+import { ZalouserToolSchema, executeZalouserTool } from "./src/tool.js";
+
+const plugin = {
+  id: "zalouser",
+  name: "Zalo Personal",
+  description: "Zalo personal account messaging via zca-cli",
+  register(api: ClawdbotPluginApi) {
+    // Register channel plugin (for onboarding & gateway)
+    api.registerChannel(zalouserPlugin);
+
+    // Register agent tool
+    api.registerTool({
+      name: "zalouser",
+      label: "Zalo Personal",
+      description:
+        "Send messages and access data via Zalo personal account. " +
+        "Actions: send (text message), image (send image URL), link (send link), " +
+        "friends (list/search friends), groups (list groups), me (profile info), status (auth check).",
+      parameters: ZalouserToolSchema,
+      execute: executeZalouserTool,
+    });
+  },
+};
+
+export default plugin;