docs: refine skills

skills/gog/SKILL.md

@@ -1,15 +1,25 @@
 ---
 name: gog
-description: Google Suite CLI for Gmail, Calendar, Drive, and Contacts.
+description: Google Workspace CLI for Gmail, Calendar, Drive, and Contacts.
 metadata: {"clawdis":{"requires":{"bins":["gog"]}}}
 ---
 
 # gog
 
-Use `gog` for Gmail/Calendar/Drive/Contacts. Start with:
+Use `gog` for Gmail/Calendar/Drive/Contacts. Requires OAuth setup.
 
-```bash
-gog --help
-```
+Setup (once)
+- `gog auth credentials /path/to/client_secret.json`
+- `gog auth add you@gmail.com --services gmail,calendar,drive,contacts`
+- `gog auth list`
 
-Ask for confirmation before sending emails or creating events.
+Common commands
+- Gmail search: `gog gmail search 'newer_than:7d' --max 10`
+- Gmail send: `gog gmail send --to a@b.com --subject "Hi" --body "Hello"`
+- Calendar: `gog calendar events <calendarId> --from <iso> --to <iso>`
+- Drive: `gog drive search "query" --max 10`
+- Contacts: `gog contacts list --max 20`
+
+Notes
+- Set `GOG_ACCOUNT=you@gmail.com` to avoid repeating `--account`.
+- Confirm before sending mail or creating events.