Evaluation: Gemini batch integration (text)

backend/app/celery/tasks/job_execution.py

@@ -172,6 +172,26 @@ def run_delete_collection_job(
     )
 
 
+@celery_app.task(bind=True, queue="low_priority", priority=1)
+@gevent_timeout(settings.CELERY_TASK_SOFT_TIME_LIMIT, "run_evaluation_batch_submission")
+def run_evaluation_batch_submission(
+    self, project_id: int, job_id: str, trace_id: str, **kwargs
+):
+    from app.services.evaluations.batch_job import execute_evaluation_batch_submission
+
+    _set_trace(trace_id)
+    return _run_with_otel_parent(
+        self,
+        lambda: execute_evaluation_batch_submission(
+            project_id=project_id,
+            job_id=job_id,
+            task_id=current_task.request.id,
+            task_instance=self,
+            **kwargs,
+        ),
+    )
+
+
 @celery_app.task(bind=True, queue="low_priority", priority=1)
 @gevent_timeout(settings.CELERY_TASK_SOFT_TIME_LIMIT, "run_stt_batch_submission")
 def run_stt_batch_submission(

backend/app/celery/utils.py

@@ -126,6 +126,24 @@ def start_delete_collection_job(
     return task_id
 
 
+def start_evaluation_batch_submission(
+    project_id: int, job_id: str, trace_id: str = "N/A", **kwargs
+) -> str:
+    from app.celery.tasks.job_execution import run_evaluation_batch_submission
+
+    task_id = _enqueue_with_trace_context(
+        run_evaluation_batch_submission,
+        project_id=project_id,
+        job_id=job_id,
+        trace_id=trace_id,
+        **kwargs,
+    )
+    logger.info(
+        f"[start_evaluation_batch_submission] Started job {job_id} with Celery task {task_id}"
+    )
+    return task_id
+
+
 def start_stt_batch_submission(
     project_id: int, job_id: str, trace_id: str = "N/A", **kwargs
 ) -> str:

backend/app/core/batch/gemini.py

@@ -349,7 +349,7 @@ def upload_file(self, content: str, purpose: str = "batch") -> str:
             uploaded_file = self._upload_to_gemini(
                 content=content,
                 suffix=".jsonl",
-                mime_type="jsonl",
+                mime_type="application/jsonl",
                 display_name=f"batch-input-{int(time.time())}",
             )
 

backend/app/core/batch/operations.py

@@ -74,7 +74,8 @@ def start_batch_job(
         logger.error(f"[start_batch_job] Failed | {e}", exc_info=True)
 
         batch_job_update = BatchJobUpdate(
-            error_message=f"Batch creation failed: {str(e)}"
+            provider_status="failed",
+            error_message=f"Batch creation failed: {str(e)}",
         )
         update_batch_job(
             session=session, batch_job=batch_job, batch_job_update=batch_job_update