update: uploads

backend/services/file_utils.py

@@ -18,3 +18,14 @@ def save_upload(upload_file: UploadFile) -> Path:
     with target_path.open("wb") as buffer:
         shutil.copyfileobj(upload_file.file, buffer)
     return target_path
+
+
+def save_upload_for_job(job_id: int, seq: int, upload_file: UploadFile) -> Path:
+    """Save file with unique path under upload_dir/job_id/ to avoid overwrites."""
+    base = ensure_upload_dir() / str(job_id)
+    base.mkdir(parents=True, exist_ok=True)
+    name = upload_file.filename or "file"
+    target_path = base / f"{seq}_{name}"
+    with target_path.open("wb") as buffer:
+        shutil.copyfileobj(upload_file.file, buffer)
+    return target_path