fix: Manual scanning

ocr/app/routers/extract.py

@@ -359,8 +359,8 @@ async def process_manual_job(job_id: str) -> None:
         # Update status to processing
         await job_queue.update_manual_job_progress(job_id, 5, "Starting extraction")
 
-        # Get job data
+        # Get job data (must use manual-specific key prefix)
-        file_bytes = await job_queue.get_job_data(job_id)
+        file_bytes = await job_queue.get_manual_job_data(job_id)
         if not file_bytes:
             await job_queue.fail_manual_job(job_id, "Job data not found")
             return

ocr/app/services/job_queue.py

@@ -207,10 +207,15 @@ class JobQueue:
 
     async def get_job_data(self, job_id: str) -> Optional[bytes]:
         """Get the file data for a job."""
-        r = await self.get_redis()
+        return await self._get_raw_data(f"{JOB_DATA_PREFIX}{job_id}")
-        data_key = f"{JOB_DATA_PREFIX}{job_id}"
 
-        # Get raw bytes (not decoded)
+    async def get_manual_job_data(self, job_id: str) -> Optional[bytes]:
+        """Get the file data for a manual extraction job."""
+        return await self._get_raw_data(f"{MANUAL_JOB_DATA_PREFIX}{job_id}")
+
+    async def _get_raw_data(self, data_key: str) -> Optional[bytes]:
+        """Get raw binary data from Redis."""
+        # Need separate connection with decode_responses=False for binary data
         raw_redis = redis.Redis(
             host=settings.redis_host,
             port=settings.redis_port,