feat: add Android task file evidence and finalize plugin design

tests/unit/runtime/test_task_control.py

@@ -7,6 +7,7 @@ import logging
 import os
 from pathlib import Path
 import threading
+from types import SimpleNamespace
 
 import pytest
 
@@ -35,8 +36,12 @@ def test_running_state_recovers_from_temporary_windows_file_access(tmp_path, mon
             raise _windows_access_error(winerror)
         return replace(source, target)
 
-    monkeypatch.setattr(task_control.os, "replace", busy_replace)
-    monkeypatch.setattr(task_control.time, "sleep", delays.append)
+    monkeypatch.setattr(
+        task_control, "os", SimpleNamespace(**{**vars(task_control.os), "replace": busy_replace})
+    )
+    monkeypatch.setattr(
+        task_control, "time", SimpleNamespace(**{**vars(task_control.time), "sleep": delays.append})
+    )
     task_control.TaskControl("task-123", object())._state("running")
 
     assert task_control.read_state("task-123")["status"] == "running"
@@ -55,8 +60,12 @@ def test_persistent_windows_access_error_is_bounded_and_preserves_old_state(tmp_
         attempts.append(source)
         raise error
 
-    monkeypatch.setattr(task_control.os, "replace", denied_replace)
-    monkeypatch.setattr(task_control.time, "sleep", delays.append)
+    monkeypatch.setattr(
+        task_control, "os", SimpleNamespace(**{**vars(task_control.os), "replace": denied_replace})
+    )
+    monkeypatch.setattr(
+        task_control, "time", SimpleNamespace(**{**vars(task_control.time), "sleep": delays.append})
+    )
     with pytest.raises(PermissionError) as raised:
         task_control._write_atomic(path, {"status": "running"})
 
@@ -82,8 +91,12 @@ def test_unrelated_file_errors_fail_without_retry_and_clean_temporary_file(
         attempts.append(source)
         raise error
 
-    monkeypatch.setattr(task_control.os, "replace", failed_replace)
-    monkeypatch.setattr(task_control.time, "sleep", delays.append)
+    monkeypatch.setattr(
+        task_control, "os", SimpleNamespace(**{**vars(task_control.os), "replace": failed_replace})
+    )
+    monkeypatch.setattr(
+        task_control, "time", SimpleNamespace(**{**vars(task_control.time), "sleep": delays.append})
+    )
     with pytest.raises(OSError) as raised:
         task_control._write_atomic(path, {"status": "running"})
 
@@ -127,7 +140,9 @@ def test_busy_temporary_cleanup_preserves_original_write_error(tmp_path, monkeyp
             raise _windows_access_error(32)
         return unlink(target, **kwargs)
 
-    monkeypatch.setattr(task_control.os, "replace", failed_replace)
+    monkeypatch.setattr(
+        task_control, "os", SimpleNamespace(**{**vars(task_control.os), "replace": failed_replace})
+    )
     monkeypatch.setattr(Path, "unlink", busy_unlink)
     monkeypatch.setattr(task_control.time, "sleep", lambda _: None)
     try:
@@ -163,7 +178,9 @@ def test_repeated_control_requests_recover_from_file_sharing(
             raise _windows_access_error(32)
         return replace(source, target)
 
-    monkeypatch.setattr(task_control.os, "replace", busy_replace)
+    monkeypatch.setattr(
+        task_control, "os", SimpleNamespace(**{**vars(task_control.os), "replace": busy_replace})
+    )
     monkeypatch.setattr(task_control.time, "sleep", lambda _: None)
     send_request("task-123")