refactor: remove backwards-compat image aliases from mutation tests

- REQUIRED_CALLABLES now uses _save_version / _load_last_version
- Removes save_last_image / load_last_image aliases (unnecessary workarounds)

Author: localpibox

scripts/__pycache__/lpb.cpython-314.pyc

@@ -163,8 +163,6 @@ def _save_version(version: str) -> None:
 # ── Backwards-compat aliases (mutation tests expect these names) ─────
 save_last_version = _save_version
 load_last_version = _load_last_version
-save_last_image = _save_version
-load_last_image = _load_last_version
 
 
 def _resolve_version_image(version: str, mode: str) -> str:

scripts/lpb.py

@@ -474,7 +474,7 @@ def test_url_from_env_override():
     "cmd_update", "cmd_config", "cmd_run",
     # helpers referenced by handlers
     "self_update", "ensure_container_cmd", "client", "ensure_token",
-    "save_last_image", "load_last_image", "resolve_path",
+    "_save_version", "_load_last_version", "resolve_path",
     "detect_mount_flags", "is_podman", "run_cmd", "load_config_file",
     "apply_overrides", "parse_cli", "load_project_env", "load_project_override",
     "_build_urls", "_build_url", "_get_host_for_url", "_get_lan_ips",