feat(agent-office): ytpub_retry 텔레그램 콜백 → music-lab retry 프록시

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

agent-office/tests/test_youtube_publisher_retry.py

@@ -147,6 +147,38 @@ async def test_failed_pipeline_renotify_after_recovery():
     assert sent.await_count == 2  # 재알림
 
 
+@pytest.mark.asyncio
+async def test_handle_ytpub_retry_calls_proxy():
+    from app import service_proxy
+    from app.telegram import webhook
+
+    retry = AsyncMock(return_value={"status_code": 202, "ok": True, "retrying_step": "video"})
+    fake_send = AsyncMock(return_value={"ok": True})
+    fake_api_call = AsyncMock(return_value={"ok": True})
+
+    with patch.object(service_proxy, "pipeline_retry", retry), \
+         patch("app.telegram.messaging.send_raw", fake_send), \
+         patch("app.telegram.webhook.api_call", fake_api_call):
+        res = await webhook._handle_ytpub_retry({"id": 1}, "ytpub_retry_7")
+
+    retry.assert_awaited_once_with(7)
+    assert res["ok"] is True
+
+
+@pytest.mark.asyncio
+async def test_handle_ytpub_retry_invalid_data():
+    from app.telegram import webhook
+
+    fake_send = AsyncMock(return_value={"ok": True})
+    fake_api_call = AsyncMock(return_value={"ok": True})
+
+    with patch("app.telegram.messaging.send_raw", fake_send), \
+         patch("app.telegram.webhook.api_call", fake_api_call):
+        res = await webhook._handle_ytpub_retry({"id": 1}, "ytpub_retry_abc")
+
+    assert res["ok"] is False
+
+
 @pytest.mark.asyncio
 async def test_failed_poll_exception_is_silent():
     """list_failed_pipelines 예외 시 poll이 조용히 넘어감 (active 알림에 영향 없음)."""