fix: bugs-01

backend/app/workers/ocr_tasks.py

@@ -24,6 +24,24 @@ def process_image_ocr(self, image_id: str):
     _run_async(process_image_ocr_async(image_id))
 
 
+async def process_images_ocr_batch_async(image_ids: list[str], max_concurrency: int) -> None:
+    """Process many images with bounded OCR concurrency."""
+    if not image_ids:
+        return
+    concurrency = max(1, max_concurrency)
+    semaphore = asyncio.Semaphore(concurrency)
+
+    async def _run_one(image_id: str) -> None:
+        async with semaphore:
+            try:
+                await process_image_ocr_async(image_id)
+            except Exception:
+                # Keep batch processing alive even if one image fails.
+                logger.exception("Image %s OCR failed in batch", image_id)
+
+    await asyncio.gather(*[_run_one(image_id) for image_id in image_ids])
+
+
 async def process_image_ocr_async(image_id_str: str):
     from app.core.database import async_session_factory
     from sqlalchemy import delete