fix: preserve upload recovery and harden speech indexing

tests/test_openlist_client.py

@@ -1,4 +1,5 @@
 from contextlib import nullcontext
+from pathlib import Path
 from types import SimpleNamespace
 
 import httpx
@@ -114,6 +115,39 @@ def test_native_catalog_uses_physical_object_but_keeps_logical_media_identity():
     assert item.fingerprint
 
 
+def test_native_prepare_and_cancel_preserve_original_and_local_recovery(tmp_path: Path):
+    original = tmp_path / "upload.part"
+    original.write_bytes(b"data")
+    staging = tmp_path / "native"
+
+    class Sources:
+        rclone = SimpleNamespace()
+
+        def get(self, _source_id):
+            return {}
+
+    service = object.__new__(OpenListNativeService)
+    service.sources = Sources()
+    service.configuration = lambda _source: SimpleNamespace(
+        local_staging_path=staging,
+        encrypted=False,
+        source_path="local-stage",
+        target_path="cloud",
+    )
+    paths = service.prepare("source", "upload-id", "folder/movie.mp4", original)
+    assert original.read_bytes() == b"data"
+    assert Path(paths["local_path"]).read_bytes() == b"data"
+
+    cancelled: list[str] = []
+    service.client = lambda _source_id: SimpleNamespace(
+        cancel_copy_task=lambda task_id: cancelled.append(task_id)
+    )
+    service.cancel("source", "upload-id", "task-id", paths["staged_path"])
+    assert cancelled == ["task-id"]
+    assert original.is_file()
+    assert Path(paths["local_path"]).is_file()
+
+
 class _MovingClient:
     def __init__(self, files: dict[str, int], *, fail_after_move: bool = False):
         self.files = dict(files)