fix(macos-container): use correct system status probe in preflight

`container system info` is not a valid subcommand and always returned
non-zero, causing a false-positive on the service check. Switch to
`container system status` which is the correct command.

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

bot_bottle/backend/macos_container/util.py

@@ -40,7 +40,7 @@ def require_container() -> None:
 
 def _require_container_service() -> None:
     result = subprocess.run(
-        [_CONTAINER, "system", "info"],
+        [_CONTAINER, "system", "status"],
         stdout=subprocess.DEVNULL,
         stderr=subprocess.DEVNULL,
         check=False,