Add Ego4D local AV ablation workflow

easycom_head.py

@@ -640,10 +640,12 @@ def normalize_sample_name(
 
 def load_ego4d_manifest_split(
     manifest: str | Path,
-    split: Literal["train", "test"],
+    split: Literal["train", "test", "all"],
 ) -> list[str]:
-    """Load one ordered UID split from ``ego4d_egospeak.tsv``."""
+    """Load ordered UIDs from ``ego4d_egospeak.tsv``; all preserves row order."""
 
+    if split not in {"train", "test", "all"}:
+        raise ValueError(f"Invalid Ego4D split: {split}")
     path = Path(manifest)
     if not path.is_file():
         raise FileNotFoundError(path)
@@ -671,7 +673,7 @@ def load_ego4d_manifest_split(
                     f"Duplicate Ego4D UID {uid} at {path}:{row_number}"
                 )
             seen.add(uid)
-            if row_split == split:
+            if split == "all" or row_split == split:
                 selected.append(uid)
 
     if not selected: