fix(pairing): accept positional provider args

docs/start/wizard.md

@@ -103,7 +103,7 @@ Tip: `--json` does **not** imply non-interactive mode. Use `--non-interactive` (
    - Discord: bot token.
    - Signal: optional `signal-cli` install + account config.
    - iMessage: local `imsg` CLI path + DB access.
-  - DM security: default is pairing. First DM sends a code; approve via `clawdbot pairing approve --provider <provider> <code>` or use allowlists.
+  - DM security: default is pairing. First DM sends a code; approve via `clawdbot pairing approve <provider> <code>` or use allowlists.
 
 6) **Daemon install**
    - macOS: LaunchAgent