Fix frame extraction view deduplication

scripts/extract_vlac2_release_frames.py

@@ -125,7 +125,10 @@ def collect_episode_specs(benchmark_paths: list[Path]) -> tuple[list[EpisodeSpec
                 stats["rows_missing_main_path"] += 1
                 continue
             normalized = normalize_main_path(inferred_main_path)
-            key = episode_group_key(normalized)
+            # Keep different camera views for the same episode separate. The
+            # benchmark's main_path can target wrist/head/bird/etc. views, and
+            # merging by episode drops required frame directories.
+            key = str(normalized)
             if key not in grouped:
                 grouped[key] = (normalized, {str(benchmark_path)})
             else: