feat: migrate file and live post-processing pipelines from Celery to Hatchet workflow engine (#911)

* feat: migrate file and live post-processing pipelines from Celery to Hatchet workflow engine

* fix: always force reprocessing

* fix: ci tests with live pipelines

* fix: ci tests with live pipelines

server/tests/test_hatchet_trigger_migration.py

@@ -0,0 +1,90 @@
+"""
+Tests verifying Celery-to-Hatchet trigger migration.
+
+Ensures that:
+1. process_recording triggers FilePipeline via Hatchet (not Celery)
+2. transcript_record_upload triggers FilePipeline via Hatchet (not Celery)
+3. Old Celery task references are no longer in active call sites
+"""
+
+
+def test_process_recording_does_not_import_celery_file_task():
+    """Verify process.py no longer imports task_pipeline_file_process."""
+    import inspect
+
+    from reflector.worker import process
+
+    source = inspect.getsource(process)
+    # Should not contain the old Celery task import
+    assert "task_pipeline_file_process" not in source
+
+
+def test_transcripts_upload_does_not_import_celery_file_task():
+    """Verify transcripts_upload.py no longer imports task_pipeline_file_process."""
+    import inspect
+
+    from reflector.views import transcripts_upload
+
+    source = inspect.getsource(transcripts_upload)
+    # Should not contain the old Celery task import
+    assert "task_pipeline_file_process" not in source
+
+
+def test_transcripts_upload_imports_hatchet():
+    """Verify transcripts_upload.py imports HatchetClientManager."""
+    import inspect
+
+    from reflector.views import transcripts_upload
+
+    source = inspect.getsource(transcripts_upload)
+    assert "HatchetClientManager" in source
+
+
+def test_pipeline_post_is_async():
+    """Verify pipeline_post is now async (Hatchet trigger)."""
+    import asyncio
+
+    from reflector.pipelines.main_live_pipeline import pipeline_post
+
+    assert asyncio.iscoroutinefunction(pipeline_post)
+
+
+def test_transcript_process_service_does_not_import_celery_file_task():
+    """Verify transcript_process.py service no longer imports task_pipeline_file_process."""
+    import inspect
+
+    from reflector.services import transcript_process
+
+    source = inspect.getsource(transcript_process)
+    assert "task_pipeline_file_process" not in source
+
+
+def test_transcript_process_service_dispatch_uses_hatchet():
+    """Verify dispatch_transcript_processing uses HatchetClientManager for file processing."""
+    import inspect
+
+    from reflector.services import transcript_process
+
+    source = inspect.getsource(transcript_process.dispatch_transcript_processing)
+    assert "HatchetClientManager" in source
+    assert "FilePipeline" in source
+
+
+def test_new_task_names_exist():
+    """Verify new TaskName constants were added for file and live pipelines."""
+    from reflector.hatchet.constants import TaskName
+
+    # File pipeline tasks
+    assert TaskName.EXTRACT_AUDIO == "extract_audio"
+    assert TaskName.UPLOAD_AUDIO == "upload_audio"
+    assert TaskName.TRANSCRIBE == "transcribe"
+    assert TaskName.DIARIZE == "diarize"
+    assert TaskName.ASSEMBLE_TRANSCRIPT == "assemble_transcript"
+    assert TaskName.GENERATE_SUMMARIES == "generate_summaries"
+
+    # Live post-processing pipeline tasks
+    assert TaskName.WAVEFORM == "waveform"
+    assert TaskName.CONVERT_MP3 == "convert_mp3"
+    assert TaskName.UPLOAD_MP3 == "upload_mp3"
+    assert TaskName.REMOVE_UPLOAD == "remove_upload"
+    assert TaskName.FINAL_SUMMARIES == "final_summaries"