Add local spoken passages with Google retrieval and isolated runtime setup

tools/embeddinggemma2/stage_runtime.py

@@ -258,7 +258,7 @@ def _preserved_snapshot(destination, owned):
     return snapshot
 
 
-def stage_resources(destination, sources, validate=None):
+def stage_resources(destination, sources, validate=None, owned_names=None):
     """Replace a verified complete resource directory and preserve other assets."""
     destination = Path(destination).absolute()
     if destination.parent != destination.parent.resolve():
@@ -272,7 +272,7 @@ def stage_resources(destination, sources, validate=None):
             _check_tree(destination)
             if (destination / ".searchi-stage-complete").exists():
                 raise RuntimeError("Reserved staging completion marker exists without its journal")
-        owned = _previous_owned(destination)
+        owned = _previous_owned(destination) if owned_names is None else set(owned_names)
         owned_keys = {_resource_key(path) for path in owned}
         preserved = _preserved_snapshot(destination, owned_keys)
         records = []