test(update): a same-named script outside the checkout still repairs it

Pins the path half of the tail identity: only this checkout's own
hermes_cli/ scripts are exempt from the launch-time repair.

tests/hermes_cli/test_update_launch_completion.py

@@ -122,6 +122,25 @@ def test_prepared_completion_import_does_not_start_another_tail(tmp_path, monkey
     assert venv_sync.completion_pending_path(root).is_file()
 
 
+def test_same_named_script_outside_the_checkout_still_repairs(tmp_path, monkeypatch, completion_tail):
+    """Only this checkout's own tail is exempt: another tree's worker still owes this one's repair."""
+    import pm
+    from hermes_cli import _launchers
+
+    root = _self_checkout(tmp_path, monkeypatch)
+    foreign = tmp_path / "other" / "hermes_cli" / "source_completion.py"
+    foreign.parent.mkdir(parents=True)
+    foreign.touch()
+    venv_sync.arm_completion(root)
+    monkeypatch.setattr(pm, "venv_is_current", lambda **kw: True)
+    monkeypatch.setattr(_launchers, "resolve_store_python", lambda _: Path(sys.executable))
+    monkeypatch.setattr(sys, "argv", [str(foreign), "--prepared"])
+
+    assert venv_sync.prepare_launch(root, sys.argv[1:]) is None
+    assert len(completion_tail) == 1
+    assert not venv_sync.completion_pending_path(root).is_file()
+
+
 def test_completion_tail_output_stays_off_stdout(tmp_path, monkeypatch, completion_tail):
     """The automatic tail runs in front of the user's command, which may be piping JSON."""
     import pm