Add complete OAuth token refresh and sync solution

- Setup wizard with auto-detection of OpenClaw paths and Claude CLI
- Token sync watcher (inotifywait) for real-time credential updates
- Auto-refresh trigger timer that runs Claude CLI every 30 min
- Supports Claude CLI in Docker container or on host
- Temporary ANTHROPIC_BASE_URL override for container environments
- Anthropic model configuration for OpenClaw
- Auth profile management (fixes key vs access field)
- Systemd services and timers for both sync and trigger
- Comprehensive documentation and troubleshooting guides
- Re-authentication notification system

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

templates/refresh-claude-token.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Refresh Claude OAuth Token (one-shot)
+
+[Service]
+Type=oneshot
+ExecStart=@@REFRESH_SCRIPT_PATH@@
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=refresh-claude-token