some more cosmetic changes

- fix an intend
- add TODO: remove pkg
- add .before_bott_at to backup of seastatus.tcl

base.py

@@ -339,6 +339,7 @@ class ServiceManager:
             services = to_start
         for service_i in services:
             port = service_ports[service_i]
+            # TODO: remove unused pkg
             cmd = self.commands[ins] % dict(ins=ins, serv=service_i, port=port, cfg=cfg, pkg=self.pkg or ins)
             if opts:
                 cmd = f'{cmd} {opts}'