Method _make_video_api_request

src/services/flow_client.py:984–1016

视频 API 加硬截止，避免 curl_cffi 底层偶发卡住导致整条请求悬挂。

(
        self,
        url: str,
        json_data: Dict[str, Any],
        at: str,
        timeout: int,
        project_id: Optional[str] = None,
        token_id: Optional[int] = None,
        action: str = "VIDEO_GENERATION",
    )

        return fallback

    async def _make_video_api_request(
        self,
        url: str,
        json_data: Dict[str, Any],
        at: str,
        timeout: int,
        project_id: Optional[str] = None,
        token_id: Optional[int] = None,
        action: str = "VIDEO_GENERATION",
    ) -> Dict[str, Any]:
        """视频 API 加硬截止，避免 curl_cffi 底层偶发卡住导致整条请求悬挂。"""
        raw_body = json.dumps(json_data, ensure_ascii=False, separators=(",", ":"))
        headers = self._build_realistic_video_submit_headers()
        headers.update(self._build_labs_request_context_headers(project_id))
        try:
            return await asyncio.wait_for(
                self._make_request(
                    method="POST",
                    url=url,
                    headers=headers,
                    json_data=json_data,
                    raw_body=raw_body,
                    use_at=True,
                    at_token=at,
                    timeout=timeout,
                    allow_urllib_fallback=False,
                    apply_default_client_headers=False,
                    impersonate=self._resolve_runtime_impersonate(),
                ),
                timeout=timeout + 5
            )
        except asyncio.TimeoutError as exc:
            raise Exception(f"Flow video API request timed out after {timeout}s") from exc

    async def _acquire_image_launch_gate(
        self,