Kling Motion: extend poll timeout to 25 min (300x5s)

src/content_engine/api/routes_video.py

@@ -329,7 +329,7 @@ async def _generate_kling_motion_video(
         _video_jobs[job_id]["message"] = "Calling Kling Motion Control API..."
         logger.info("Calling Kling Motion Control: %s", endpoint)
 
-        async with httpx.AsyncClient(timeout=300) as client:
+        async with httpx.AsyncClient(timeout=60) as client:
             resp = await client.post(
                 endpoint,
                 json=payload,
@@ -352,7 +352,7 @@ async def _generate_kling_motion_video(
             urls_data = data.get("urls", {})
             if not outputs and urls_data.get("get"):
                 _video_jobs[job_id]["message"] = "Waiting for Kling Motion to complete..."
-                video_url_out = await _poll_wavespeed_video(urls_data["get"], api_key, job_id)
+                video_url_out = await _poll_wavespeed_video(urls_data["get"], api_key, job_id, max_attempts=300, interval=5.0)
             elif outputs:
                 video_url_out = outputs[0] if isinstance(outputs[0], str) else outputs[0].get("url")
             else: