feat(file-summary): 实现文件处理技能链路

review_agent/file_summary/paths.py

@@ -0,0 +1,12 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from django.conf import settings
+
+
+def resolve_storage_path(storage_path: str) -> Path:
+    path = Path(storage_path)
+    if path.is_absolute():
+        return path
+    return Path(settings.MEDIA_ROOT) / path