Force ani-cli headless download mode

test_app.py

@@ -1094,6 +1094,7 @@ class DownloadQueueWorkerFailureTests(unittest.TestCase):
         )
         job = queue.add({"query": "Queue Show", "title": "Queue Show", "season": "1", "episodes": "1"})
         commands = []
+        envs = []
 
         class FakeProc:
             def __init__(self, pid, stdout, exit_code):
@@ -1112,6 +1113,7 @@ class DownloadQueueWorkerFailureTests(unittest.TestCase):
 
         def fake_popen(command, **kwargs):
             commands.append(command)
+            envs.append(kwargs.get("env", {}))
             return processes.pop(0)
 
         with mock.patch.object(queue_jobs, "cli_executable_exists", return_value=True), mock.patch.object(
@@ -1125,6 +1127,7 @@ class DownloadQueueWorkerFailureTests(unittest.TestCase):
         self.assertEqual(stored["status"], "done")
         self.assertTrue(stored["fallback_used"])
         self.assertEqual([command[0] for command in commands], [APP.app_support.ANI_CLI, APP.app_support.ANIPY_CLI, APP.app_support.ANIMDL])
+        self.assertEqual(envs[0]["ANI_CLI_PLAYER"], "download")
         self.assertIn("Fallback download completed with animdl.", stored["log"])