- services.go: use sudo systemctl so bee user can control system services - api.go: always return 200 with output field even on error, so the frontend shows the actual systemctl message instead of "exit status 1" - pages.go: button shows "..." while pending then restores label; output panel is full-width under the table with ✓/✗ status indicator; output auto-scrolls to bottom Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>