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

docs/cli/directory.md

@@ -0,0 +1,38 @@
+---
+summary: "CLI reference for `clawdbot directory` (self, peers, groups)"
+read_when:
+  - You want to look up contacts/groups/self ids for a channel
+  - You are developing a channel directory adapter
+---
+
+# `clawdbot directory`
+
+Directory lookups for channels that support it (contacts/peers, groups, and “me”).
+
+## Common flags
+- `--channel <name>`: channel id/alias (default: `whatsapp`)
+- `--account <id>`: account id (default: channel default)
+- `--json`: output JSON
+
+## Self (“me”)
+
+```bash
+clawdbot directory self --channel zalouser
+```
+
+## Peers (contacts/users)
+
+```bash
+clawdbot directory peers list --channel zalouser
+clawdbot directory peers list --channel zalouser --query "name"
+clawdbot directory peers list --channel zalouser --limit 50
+```
+
+## Groups
+
+```bash
+clawdbot directory groups list --channel zalouser
+clawdbot directory groups list --channel zalouser --query "work"
+clawdbot directory groups members --channel zalouser --group-id <id>
+```
+