feat: enhance logging in service commands with consistent logger usage

- Add entry/exit logging to all ServiceCommand methods (start, stop, status, reload, restart, uninstall)
- Replace mainLog.Load() calls with consistent logger variable usage throughout
- Capitalize all logging messages for better readability
- Add error context logging for service manager initialization failures
- Add debug logging for key operations (restart sequence, cleanup, validation)
- Improve error handling with proper error context in all service commands
- Add completion logging to track command execution flow

This improves debugging capabilities and provides better operational visibility
for service management operations while maintaining clean user-facing messages.

cmd/cli/prog.go

@@ -253,6 +253,7 @@ func (p *prog) runWait() {
 
 		select {
 		case p.reloadDoneCh <- struct{}{}:
+			p.Debug().Msg("reload done signal sent")
 		default:
 		}
 	}