diff --git a/server/reflector/db/transcripts.py b/server/reflector/db/transcripts.py
index 0f73fb1f..41204df6 100644
--- a/server/reflector/db/transcripts.py
+++ b/server/reflector/db/transcripts.py
@@ -183,16 +183,6 @@ class TranscriptEvent(BaseModel):
     data: dict
 
 
-class PipelineProgressData(BaseModel):
-    """Data payload for PIPELINE_PROGRESS WebSocket events."""
-
-    workflow_id: str | None = None
-    current_step: str
-    step_index: int
-    total_steps: int
-    step_status: Literal["pending", "in_progress", "completed", "failed"]
-
-
 class TranscriptParticipant(BaseModel):
     model_config = ConfigDict(from_attributes=True)
     id: str = Field(default_factory=generate_uuid4)
diff --git a/server/reflector/hatchet/__init__.py b/server/reflector/hatchet/__init__.py
index 74ff6cc2..d56d559e 100644
--- a/server/reflector/hatchet/__init__.py
+++ b/server/reflector/hatchet/__init__.py
@@ -1,6 +1,5 @@
 """Hatchet workflow orchestration for Reflector."""
 
 from reflector.hatchet.client import HatchetClientManager
-from reflector.hatchet.progress import emit_progress_async
 
-__all__ = ["HatchetClientManager", "emit_progress_async"]
+__all__ = ["HatchetClientManager"]
diff --git a/server/reflector/hatchet/broadcast.py b/server/reflector/hatchet/broadcast.py
new file mode 100644
index 00000000..684b8a02
--- /dev/null
+++ b/server/reflector/hatchet/broadcast.py
@@ -0,0 +1,82 @@
+"""WebSocket broadcasting helpers for Hatchet workflows.
+
+Provides WebSocket broadcasting for Hatchet that matches Celery's @broadcast_to_sockets
+decorator behavior. Events are broadcast to transcript rooms and user rooms.
+"""
+
+from reflector.db.transcripts import TranscriptEvent
+from reflector.logger import logger
+from reflector.ws_manager import get_ws_manager
+
+# Events that should also be sent to user room (matches Celery behavior)
+USER_ROOM_EVENTS = {"STATUS", "FINAL_TITLE", "DURATION"}
+
+
+async def broadcast_event(transcript_id: str, event: TranscriptEvent) -> None:
+    """Broadcast a TranscriptEvent to WebSocket subscribers.
+
+    Fire-and-forget: errors are logged but don't interrupt workflow execution.
+    """
+    try:
+        ws_manager = get_ws_manager()
+
+        # Broadcast to transcript room
+        await ws_manager.send_json(
+            room_id=f"ts:{transcript_id}",
+            message=event.model_dump(mode="json"),
+        )
+
+        # Also broadcast to user room for certain events
+        if event.event in USER_ROOM_EVENTS:
+            # Deferred import to avoid circular dependency
+            from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
+
+            transcript = await transcripts_controller.get_by_id(transcript_id)
+            if transcript and transcript.user_id:
+                await ws_manager.send_json(
+                    room_id=f"user:{transcript.user_id}",
+                    message={
+                        "event": f"TRANSCRIPT_{event.event}",
+                        "data": {"id": transcript_id, **event.data},
+                    },
+                )
+    except Exception as e:
+        logger.warning(
+            "[Hatchet Broadcast] Failed to broadcast event",
+            error=str(e),
+            transcript_id=transcript_id,
+            event=event.event,
+        )
+
+
+async def set_status_and_broadcast(transcript_id: str, status: str) -> None:
+    """Set transcript status and broadcast to WebSocket.
+
+    Wrapper around transcripts_controller.set_status that adds WebSocket broadcasting.
+    """
+    from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
+
+    event = await transcripts_controller.set_status(transcript_id, status)
+    if event:
+        await broadcast_event(transcript_id, event)
+
+
+async def append_event_and_broadcast(
+    transcript_id: str,
+    transcript,  # Transcript model
+    event_name: str,
+    data,  # Pydantic model
+) -> TranscriptEvent:
+    """Append event to transcript and broadcast to WebSocket.
+
+    Wrapper around transcripts_controller.append_event that adds WebSocket broadcasting.
+    """
+    from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
+
+    event = await transcripts_controller.append_event(
+        transcript=transcript,
+        event=event_name,
+        data=data,
+    )
+    await broadcast_event(transcript_id, event)
+    return event
diff --git a/server/reflector/hatchet/progress.py b/server/reflector/hatchet/progress.py
deleted file mode 100644
index 411af9e6..00000000
--- a/server/reflector/hatchet/progress.py
+++ /dev/null
@@ -1,80 +0,0 @@
-"""Progress event emission for Hatchet workers."""
-
-from typing import Literal
-
-from reflector.db.transcripts import PipelineProgressData
-from reflector.logger import logger
-from reflector.ws_manager import get_ws_manager
-
-# Step mapping for progress tracking
-PIPELINE_STEPS = {
-    "get_recording": 1,
-    "get_participants": 2,
-    "pad_track": 3,  # Fork tasks share same step
-    "mixdown_tracks": 4,
-    "generate_waveform": 5,
-    "transcribe_track": 6,  # Fork tasks share same step
-    "merge_transcripts": 7,
-    "detect_topics": 8,
-    "generate_title": 9,  # Fork tasks share same step
-    "generate_summary": 9,  # Fork tasks share same step
-    "finalize": 10,
-    "cleanup_consent": 11,
-    "post_zulip": 12,
-    "send_webhook": 13,
-}
-
-TOTAL_STEPS = 13
-
-
-async def _emit_progress_async(
-    transcript_id: str,
-    step: str,
-    status: Literal["pending", "in_progress", "completed", "failed"],
-    workflow_id: str | None = None,
-) -> None:
-    """Async implementation of progress emission."""
-    ws_manager = get_ws_manager()
-    step_index = PIPELINE_STEPS.get(step, 0)
-
-    data = PipelineProgressData(
-        workflow_id=workflow_id,
-        current_step=step,
-        step_index=step_index,
-        total_steps=TOTAL_STEPS,
-        step_status=status,
-    )
-
-    await ws_manager.send_json(
-        room_id=f"ts:{transcript_id}",
-        message={
-            "event": "PIPELINE_PROGRESS",
-            "data": data.model_dump(),
-        },
-    )
-
-    logger.debug(
-        "[Hatchet Progress] Emitted",
-        transcript_id=transcript_id,
-        step=step,
-        status=status,
-        step_index=step_index,
-    )
-
-
-async def emit_progress_async(
-    transcript_id: str,
-    step: str,
-    status: Literal["pending", "in_progress", "completed", "failed"],
-    workflow_id: str | None = None,
-) -> None:
-    """Async version of emit_progress for use in async Hatchet tasks."""
-    try:
-        await _emit_progress_async(transcript_id, step, status, workflow_id)
-    except Exception as e:
-        logger.warning(
-            "[Hatchet Progress] Failed to emit progress event",
-            error=str(e),
-            transcript_id=transcript_id,
-            step=step,
-        )
diff --git a/server/reflector/hatchet/workflows/diarization_pipeline.py b/server/reflector/hatchet/workflows/diarization_pipeline.py
index 8e9fda6f..ffc89d2d 100644
--- a/server/reflector/hatchet/workflows/diarization_pipeline.py
+++ b/server/reflector/hatchet/workflows/diarization_pipeline.py
@@ -25,8 +25,11 @@ from hatchet_sdk import Context
 from pydantic import BaseModel
 
 from reflector.dailyco_api.client import DailyApiClient
+from reflector.hatchet.broadcast import (
+    append_event_and_broadcast,
+    set_status_and_broadcast,
+)
 from reflector.hatchet.client import HatchetClientManager
-from reflector.hatchet.progress import emit_progress_async
 from reflector.hatchet.workflows.models import (
     ConsentResult,
     FinalizeResult,
@@ -55,32 +58,29 @@ from reflector.processors.types import (
 )
 from reflector.settings import settings
 from reflector.storage.storage_aws import AwsStorage
+from reflector.utils.audio_constants import (
+    PRESIGNED_URL_EXPIRATION_SECONDS,
+    WAVEFORM_SEGMENTS,
+)
 from reflector.utils.audio_waveform import get_audio_waveform
 from reflector.utils.daily import (
     filter_cam_audio_tracks,
     parse_daily_recording_filename,
 )
+from reflector.utils.string import NonEmptyString
 from reflector.zulip import post_transcript_notification
 
-# Audio constants
-OPUS_STANDARD_SAMPLE_RATE = 48000
-OPUS_DEFAULT_BIT_RATE = 64000
-PRESIGNED_URL_EXPIRATION_SECONDS = 7200
-WAVEFORM_SEGMENTS = 255
-
 
 class PipelineInput(BaseModel):
     """Input to trigger the diarization pipeline."""
 
-    recording_id: str | None
-    room_name: str | None
+    recording_id: NonEmptyString
     tracks: list[dict]  # List of {"s3_key": str}
-    bucket_name: str
-    transcript_id: str
-    room_id: str | None = None
+    bucket_name: NonEmptyString
+    transcript_id: NonEmptyString
+    room_id: NonEmptyString | None = None
 
 
-# Get hatchet client and define workflow
 hatchet = HatchetClientManager.get_client()
 
 diarization_pipeline = hatchet.workflow(
@@ -120,9 +120,7 @@ async def set_workflow_error_status(transcript_id: str) -> bool:
     """
     try:
         async with fresh_db_connection():
-            from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
-
-            await transcripts_controller.set_status(transcript_id, "error")
+            await set_status_and_broadcast(transcript_id, "error")
             logger.info(
                 "[Hatchet] Set transcript status to error",
                 transcript_id=transcript_id,
@@ -181,9 +179,6 @@ def with_error_handling(step_name: str, set_error_status: bool = True) -> Callab
                 )
                 if set_error_status:
                     await set_workflow_error_status(input.transcript_id)
-                await emit_progress_async(
-                    input.transcript_id, step_name, "failed", ctx.workflow_run_id
-                )
                 raise
 
         return wrapper
@@ -203,34 +198,18 @@ async def get_recording(input: PipelineInput, ctx: Context) -> RecordingResult:
     ctx.log(f"get_recording: recording_id={input.recording_id}")
     logger.info("[Hatchet] get_recording", recording_id=input.recording_id)
 
-    await emit_progress_async(
-        input.transcript_id, "get_recording", "in_progress", ctx.workflow_run_id
-    )
-
-    # Set transcript status to "processing" at workflow start
+    # Set transcript status to "processing" at workflow start (broadcasts to WebSocket)
     async with fresh_db_connection():
         from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
 
         transcript = await transcripts_controller.get_by_id(input.transcript_id)
         if transcript:
-            await transcripts_controller.set_status(input.transcript_id, "processing")
+            await set_status_and_broadcast(input.transcript_id, "processing")
             logger.info(
                 "[Hatchet] Set transcript status to processing",
                 transcript_id=input.transcript_id,
             )
 
-    if not input.recording_id:
-        # No recording_id in reprocess path - return minimal data
-        await emit_progress_async(
-            input.transcript_id, "get_recording", "completed", ctx.workflow_run_id
-        )
-        return RecordingResult(
-            id=None,
-            mtg_session_id=None,
-            room_name=input.room_name,
-            duration=0,
-        )
-
     if not settings.DAILY_API_KEY:
         raise ValueError("DAILY_API_KEY not configured")
 
@@ -247,14 +226,9 @@ async def get_recording(input: PipelineInput, ctx: Context) -> RecordingResult:
         duration=recording.duration,
     )
 
-    await emit_progress_async(
-        input.transcript_id, "get_recording", "completed", ctx.workflow_run_id
-    )
-
     return RecordingResult(
         id=recording.id,
         mtg_session_id=recording.mtgSessionId,
-        room_name=recording.room_name,
         duration=recording.duration,
     )
 
@@ -268,14 +242,9 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
     ctx.log(f"get_participants: transcript_id={input.transcript_id}")
     logger.info("[Hatchet] get_participants", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "get_participants", "in_progress", ctx.workflow_run_id
-    )
-
     recording_data = _to_dict(ctx.task_output(get_recording))
     mtg_session_id = recording_data.get("mtg_session_id")
 
-    # Get transcript and reset events/topics/participants
     async with fresh_db_connection():
         from reflector.db.transcripts import (  # noqa: PLC0415
             TranscriptParticipant,
@@ -284,7 +253,6 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
 
         transcript = await transcripts_controller.get_by_id(input.transcript_id)
         if transcript:
-            # Reset events/topics/participants
             # Note: title NOT cleared - preserves existing titles
             await transcripts_controller.update(
                 transcript,
@@ -296,12 +264,6 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
             )
 
         if not mtg_session_id or not settings.DAILY_API_KEY:
-            await emit_progress_async(
-                input.transcript_id,
-                "get_participants",
-                "completed",
-                ctx.workflow_run_id,
-            )
             return ParticipantsResult(
                 participants=[],
                 num_tracks=len(input.tracks),
@@ -309,7 +271,6 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
                 target_language=transcript.target_language if transcript else "en",
             )
 
-        # Fetch participants from Daily API
         async with DailyApiClient(api_key=settings.DAILY_API_KEY) as client:
             participants = await client.get_meeting_participants(mtg_session_id)
 
@@ -321,11 +282,9 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
             if p.user_id:
                 id_to_user_id[p.participant_id] = p.user_id
 
-        # Get track keys and filter for cam-audio tracks
         track_keys = [t["s3_key"] for t in input.tracks]
         cam_audio_keys = filter_cam_audio_tracks(track_keys)
 
-        # Update participants in database
         participants_list = []
         for idx, key in enumerate(cam_audio_keys):
             try:
@@ -361,10 +320,6 @@ async def get_participants(input: PipelineInput, ctx: Context) -> ParticipantsRe
             participant_count=len(participants_list),
         )
 
-    await emit_progress_async(
-        input.transcript_id, "get_participants", "completed", ctx.workflow_run_id
-    )
-
     return ParticipantsResult(
         participants=participants_list,
         num_tracks=len(input.tracks),
@@ -389,7 +344,6 @@ async def process_tracks(input: PipelineInput, ctx: Context) -> ProcessTracksRes
     participants_data = _to_dict(ctx.task_output(get_participants))
     source_language = participants_data.get("source_language", "en")
 
-    # Spawn child workflows for each track with correct language
     child_coroutines = [
         track_workflow.aio_run(
             TrackInput(
@@ -403,7 +357,6 @@ async def process_tracks(input: PipelineInput, ctx: Context) -> ProcessTracksRes
         for i, track in enumerate(input.tracks)
     ]
 
-    # Wait for all child workflows to complete
     results = await asyncio.gather(*child_coroutines)
 
     # Get target_language for later use in detect_topics
@@ -428,13 +381,11 @@ async def process_tracks(input: PipelineInput, ctx: Context) -> ProcessTracksRes
                 PaddedTrackInfo(key=padded_key, bucket_name=bucket_name)
             )
 
-        # Track padded files for cleanup
         track_index = pad_result.get("track_index")
         if pad_result.get("size", 0) > 0 and track_index is not None:
             storage_path = f"file_pipeline_hatchet/{input.transcript_id}/tracks/padded_{track_index}.webm"
             created_padded_files.add(storage_path)
 
-    # Merge all words and sort by start time
     all_words = [word for words in track_words for word in words]
     all_words.sort(key=lambda w: w.get("start", 0))
 
@@ -466,10 +417,6 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
     ctx.log("mixdown_tracks: mixing padded tracks into single audio file")
     logger.info("[Hatchet] mixdown_tracks", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "mixdown_tracks", "in_progress", ctx.workflow_run_id
-    )
-
     track_data = _to_dict(ctx.task_output(process_tracks))
     padded_tracks_data = track_data.get("padded_tracks", [])
 
@@ -503,7 +450,6 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
     if not valid_urls:
         raise ValueError("No valid padded tracks to mixdown")
 
-    # Determine target sample rate from first track
     target_sample_rate = None
     for url in valid_urls:
         container = None
@@ -551,12 +497,10 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
     fmt.link_to(sink)
     graph.configure()
 
-    # Create temp output file
     output_path = tempfile.mktemp(suffix=".mp3")
     containers = []
 
     try:
-        # Open all containers
         for url in valid_urls:
             try:
                 c = av.open(
@@ -644,7 +588,6 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
             except Exception:
                 pass
 
-    # Upload mixed file to storage
     file_size = Path(output_path).stat().st_size
     storage_path = f"{input.transcript_id}/audio.mp3"
 
@@ -653,7 +596,6 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
 
     Path(output_path).unlink(missing_ok=True)
 
-    # Update transcript with audio_location
     async with fresh_db_connection():
         from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
 
@@ -670,10 +612,6 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
         size=file_size,
     )
 
-    await emit_progress_async(
-        input.transcript_id, "mixdown_tracks", "completed", ctx.workflow_run_id
-    )
-
     return MixdownResult(
         audio_key=storage_path,
         duration=duration_ms[0],
@@ -689,10 +627,6 @@ async def generate_waveform(input: PipelineInput, ctx: Context) -> WaveformResul
     """Generate audio waveform visualization using AudioWaveformProcessor (matches Celery)."""
     logger.info("[Hatchet] generate_waveform", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "generate_waveform", "in_progress", ctx.workflow_run_id
-    )
-
     from reflector.db.transcripts import (  # noqa: PLC0415
         TranscriptWaveform,
         transcripts_controller,
@@ -740,18 +674,16 @@ async def generate_waveform(input: PipelineInput, ctx: Context) -> WaveformResul
             with open(temp_path, "wb") as f:
                 f.write(response.content)
 
-        # Generate waveform
         waveform = get_audio_waveform(
             path=Path(temp_path), segments_count=WAVEFORM_SEGMENTS
         )
 
-        # Save waveform to database via event
         async with fresh_db_connection():
             transcript = await transcripts_controller.get_by_id(input.transcript_id)
             if transcript:
                 waveform_data = TranscriptWaveform(waveform=waveform)
-                await transcripts_controller.append_event(
-                    transcript=transcript, event="WAVEFORM", data=waveform_data
+                await append_event_and_broadcast(
+                    input.transcript_id, transcript, "WAVEFORM", waveform_data
                 )
 
     finally:
@@ -759,10 +691,6 @@ async def generate_waveform(input: PipelineInput, ctx: Context) -> WaveformResul
 
     logger.info("[Hatchet] generate_waveform complete")
 
-    await emit_progress_async(
-        input.transcript_id, "generate_waveform", "completed", ctx.workflow_run_id
-    )
-
     return WaveformResult(waveform_generated=True)
 
 
@@ -775,10 +703,6 @@ async def detect_topics(input: PipelineInput, ctx: Context) -> TopicsResult:
     ctx.log("detect_topics: analyzing transcript for topics")
     logger.info("[Hatchet] detect_topics", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "detect_topics", "in_progress", ctx.workflow_run_id
-    )
-
     track_data = _to_dict(ctx.task_output(process_tracks))
     words = track_data.get("all_words", [])
     target_language = track_data.get("target_language", "en")
@@ -791,7 +715,6 @@ async def detect_topics(input: PipelineInput, ctx: Context) -> TopicsResult:
         TitleSummaryWithId as TitleSummaryWithIdProcessorType,
     )
 
-    # Convert word dicts to Word objects
     word_objects = [Word(**w) for w in words]
     transcript_type = TranscriptType(words=word_objects)
 
@@ -800,7 +723,6 @@ async def detect_topics(input: PipelineInput, ctx: Context) -> TopicsResult:
     async with fresh_db_connection():
         transcript = await transcripts_controller.get_by_id(input.transcript_id)
 
-        # Callback that upserts topics to DB
         async def on_topic_callback(data):
             topic = TranscriptTopic(
                 title=data.title,
@@ -812,8 +734,8 @@ async def detect_topics(input: PipelineInput, ctx: Context) -> TopicsResult:
             if isinstance(data, TitleSummaryWithIdProcessorType):
                 topic.id = data.id
             await transcripts_controller.upsert_topic(transcript, topic)
-            await transcripts_controller.append_event(
-                transcript=transcript, event="TOPIC", data=topic
+            await append_event_and_broadcast(
+                input.transcript_id, transcript, "TOPIC", topic
             )
 
         topics = await topic_processing.detect_topics(
@@ -828,10 +750,6 @@ async def detect_topics(input: PipelineInput, ctx: Context) -> TopicsResult:
     ctx.log(f"detect_topics complete: found {len(topics_list)} topics")
     logger.info("[Hatchet] detect_topics complete", topic_count=len(topics_list))
 
-    await emit_progress_async(
-        input.transcript_id, "detect_topics", "completed", ctx.workflow_run_id
-    )
-
     return TopicsResult(topics=topics_list)
 
 
@@ -844,10 +762,6 @@ async def generate_title(input: PipelineInput, ctx: Context) -> TitleResult:
     ctx.log("generate_title: generating title from topics")
     logger.info("[Hatchet] generate_title", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "generate_title", "in_progress", ctx.workflow_run_id
-    )
-
     topics_data = _to_dict(ctx.task_output(detect_topics))
     topics = topics_data.get("topics", [])
 
@@ -864,7 +778,6 @@ async def generate_title(input: PipelineInput, ctx: Context) -> TitleResult:
     async with fresh_db_connection():
         transcript = await transcripts_controller.get_by_id(input.transcript_id)
 
-        # Callback that updates title in DB
         async def on_title_callback(data):
             nonlocal title_result
             title_result = data.title
@@ -874,8 +787,8 @@ async def generate_title(input: PipelineInput, ctx: Context) -> TitleResult:
                     transcript,
                     {"title": final_title.title},
                 )
-            await transcripts_controller.append_event(
-                transcript=transcript, event="FINAL_TITLE", data=final_title
+            await append_event_and_broadcast(
+                input.transcript_id, transcript, "FINAL_TITLE", final_title
             )
 
         await topic_processing.generate_title(
@@ -888,10 +801,6 @@ async def generate_title(input: PipelineInput, ctx: Context) -> TitleResult:
     ctx.log(f"generate_title complete: '{title_result}'")
     logger.info("[Hatchet] generate_title complete", title=title_result)
 
-    await emit_progress_async(
-        input.transcript_id, "generate_title", "completed", ctx.workflow_run_id
-    )
-
     return TitleResult(title=title_result)
 
 
@@ -904,10 +813,6 @@ async def generate_summary(input: PipelineInput, ctx: Context) -> SummaryResult:
     ctx.log("generate_summary: generating long and short summaries")
     logger.info("[Hatchet] generate_summary", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "generate_summary", "in_progress", ctx.workflow_run_id
-    )
-
     topics_data = _to_dict(ctx.task_output(detect_topics))
     topics = topics_data.get("topics", [])
 
@@ -926,7 +831,6 @@ async def generate_summary(input: PipelineInput, ctx: Context) -> SummaryResult:
     async with fresh_db_connection():
         transcript = await transcripts_controller.get_by_id(input.transcript_id)
 
-        # Callback that updates long_summary in DB
         async def on_long_summary_callback(data):
             nonlocal summary_result
             summary_result = data.long_summary
@@ -937,13 +841,13 @@ async def generate_summary(input: PipelineInput, ctx: Context) -> SummaryResult:
                 transcript,
                 {"long_summary": final_long_summary.long_summary},
             )
-            await transcripts_controller.append_event(
-                transcript=transcript,
-                event="FINAL_LONG_SUMMARY",
-                data=final_long_summary,
+            await append_event_and_broadcast(
+                input.transcript_id,
+                transcript,
+                "FINAL_LONG_SUMMARY",
+                final_long_summary,
             )
 
-        # Callback that updates short_summary in DB
         async def on_short_summary_callback(data):
             nonlocal short_summary_result
             short_summary_result = data.short_summary
@@ -954,10 +858,11 @@ async def generate_summary(input: PipelineInput, ctx: Context) -> SummaryResult:
                 transcript,
                 {"short_summary": final_short_summary.short_summary},
             )
-            await transcripts_controller.append_event(
-                transcript=transcript,
-                event="FINAL_SHORT_SUMMARY",
-                data=final_short_summary,
+            await append_event_and_broadcast(
+                input.transcript_id,
+                transcript,
+                "FINAL_SHORT_SUMMARY",
+                final_short_summary,
             )
 
         await topic_processing.generate_summaries(
@@ -972,10 +877,6 @@ async def generate_summary(input: PipelineInput, ctx: Context) -> SummaryResult:
     ctx.log("generate_summary complete")
     logger.info("[Hatchet] generate_summary complete")
 
-    await emit_progress_async(
-        input.transcript_id, "generate_summary", "completed", ctx.workflow_run_id
-    )
-
     return SummaryResult(summary=summary_result, short_summary=short_summary_result)
 
 
@@ -994,10 +895,6 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
     ctx.log("finalize: saving transcript and setting status to 'ended'")
     logger.info("[Hatchet] finalize", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "finalize", "in_progress", ctx.workflow_run_id
-    )
-
     mixdown_data = _to_dict(ctx.task_output(mixdown_tracks))
     track_data = _to_dict(ctx.task_output(process_tracks))
 
@@ -1006,6 +903,7 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
 
     async with fresh_db_connection():
         from reflector.db.transcripts import (  # noqa: PLC0415
+            TranscriptDuration,
             TranscriptText,
             transcripts_controller,
         )
@@ -1018,17 +916,14 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
         if transcript is None:
             raise ValueError(f"Transcript {input.transcript_id} not found in database")
 
-        # Convert words back to Word objects for storage
         word_objects = [Word(**w) for w in all_words]
-
-        # Create merged transcript for TRANSCRIPT event
         merged_transcript = TranscriptType(words=word_objects, translation=None)
 
-        # Emit TRANSCRIPT event
-        await transcripts_controller.append_event(
-            transcript=transcript,
-            event="TRANSCRIPT",
-            data=TranscriptText(
+        await append_event_and_broadcast(
+            input.transcript_id,
+            transcript,
+            "TRANSCRIPT",
+            TranscriptText(
                 text=merged_transcript.text,
                 translation=merged_transcript.translation,
             ),
@@ -1044,18 +939,18 @@ async def finalize(input: PipelineInput, ctx: Context) -> FinalizeResult:
             },
         )
 
-        # Set status to "ended"
-        await transcripts_controller.set_status(input.transcript_id, "ended")
+        duration_data = TranscriptDuration(duration=duration)
+        await append_event_and_broadcast(
+            input.transcript_id, transcript, "DURATION", duration_data
+        )
+
+        await set_status_and_broadcast(input.transcript_id, "ended")
 
         ctx.log(
             f"finalize complete: transcript {input.transcript_id} status set to 'ended'"
         )
         logger.info("[Hatchet] finalize complete", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "finalize", "completed", ctx.workflow_run_id
-    )
-
     return FinalizeResult(status="COMPLETED")
 
 
@@ -1067,10 +962,6 @@ async def cleanup_consent(input: PipelineInput, ctx: Context) -> ConsentResult:
     """Check and handle consent requirements."""
     logger.info("[Hatchet] cleanup_consent", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "cleanup_consent", "in_progress", ctx.workflow_run_id
-    )
-
     async with fresh_db_connection():
         from reflector.db.meetings import meetings_controller  # noqa: PLC0415
         from reflector.db.transcripts import transcripts_controller  # noqa: PLC0415
@@ -1087,10 +978,6 @@ async def cleanup_consent(input: PipelineInput, ctx: Context) -> ConsentResult:
             "[Hatchet] cleanup_consent complete", transcript_id=input.transcript_id
         )
 
-    await emit_progress_async(
-        input.transcript_id, "cleanup_consent", "completed", ctx.workflow_run_id
-    )
-
     return ConsentResult(consent_checked=True)
 
 
@@ -1102,15 +989,8 @@ async def post_zulip(input: PipelineInput, ctx: Context) -> ZulipResult:
     """Post notification to Zulip."""
     logger.info("[Hatchet] post_zulip", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "post_zulip", "in_progress", ctx.workflow_run_id
-    )
-
     if not settings.ZULIP_REALM:
         logger.info("[Hatchet] post_zulip skipped (Zulip not configured)")
-        await emit_progress_async(
-            input.transcript_id, "post_zulip", "completed", ctx.workflow_run_id
-        )
         return ZulipResult(zulip_message_id=None, skipped=True)
 
     async with fresh_db_connection():
@@ -1123,10 +1003,6 @@ async def post_zulip(input: PipelineInput, ctx: Context) -> ZulipResult:
         else:
             message_id = None
 
-    await emit_progress_async(
-        input.transcript_id, "post_zulip", "completed", ctx.workflow_run_id
-    )
-
     return ZulipResult(zulip_message_id=message_id)
 
 
@@ -1138,15 +1014,8 @@ async def send_webhook(input: PipelineInput, ctx: Context) -> WebhookResult:
     """Send completion webhook to external service."""
     logger.info("[Hatchet] send_webhook", transcript_id=input.transcript_id)
 
-    await emit_progress_async(
-        input.transcript_id, "send_webhook", "in_progress", ctx.workflow_run_id
-    )
-
     if not input.room_id:
         logger.info("[Hatchet] send_webhook skipped (no room_id)")
-        await emit_progress_async(
-            input.transcript_id, "send_webhook", "completed", ctx.workflow_run_id
-        )
         return WebhookResult(webhook_sent=False, skipped=True)
 
     async with fresh_db_connection():
@@ -1174,17 +1043,6 @@ async def send_webhook(input: PipelineInput, ctx: Context) -> WebhookResult:
                 "[Hatchet] send_webhook complete", status_code=response.status_code
             )
 
-            await emit_progress_async(
-                input.transcript_id,
-                "send_webhook",
-                "completed",
-                ctx.workflow_run_id,
-            )
-
             return WebhookResult(webhook_sent=True, response_code=response.status_code)
 
-    await emit_progress_async(
-        input.transcript_id, "send_webhook", "completed", ctx.workflow_run_id
-    )
-
     return WebhookResult(webhook_sent=False, skipped=True)
diff --git a/server/reflector/hatchet/workflows/models.py b/server/reflector/hatchet/workflows/models.py
index 7373e205..ad28edb4 100644
--- a/server/reflector/hatchet/workflows/models.py
+++ b/server/reflector/hatchet/workflows/models.py
@@ -40,7 +40,6 @@ class RecordingResult(BaseModel):
 
     id: str | None
     mtg_session_id: str | None
-    room_name: str | None
     duration: float
 
 
diff --git a/server/reflector/hatchet/workflows/track_processing.py b/server/reflector/hatchet/workflows/track_processing.py
index 434ce9a1..b709578c 100644
--- a/server/reflector/hatchet/workflows/track_processing.py
+++ b/server/reflector/hatchet/workflows/track_processing.py
@@ -26,9 +26,13 @@ from hatchet_sdk import Context
 from pydantic import BaseModel
 
 from reflector.hatchet.client import HatchetClientManager
-from reflector.hatchet.progress import emit_progress_async
 from reflector.hatchet.workflows.models import PadTrackResult, TranscribeTrackResult
 from reflector.logger import logger
+from reflector.utils.audio_constants import (
+    OPUS_DEFAULT_BIT_RATE,
+    OPUS_STANDARD_SAMPLE_RATE,
+    PRESIGNED_URL_EXPIRATION_SECONDS,
+)
 
 
 def _to_dict(output) -> dict:
@@ -38,12 +42,6 @@ def _to_dict(output) -> dict:
     return output.model_dump()
 
 
-# Audio constants matching existing pipeline
-OPUS_STANDARD_SAMPLE_RATE = 48000
-OPUS_DEFAULT_BIT_RATE = 64000
-PRESIGNED_URL_EXPIRATION_SECONDS = 7200
-
-
 class TrackInput(BaseModel):
     """Input for individual track processing."""
 
@@ -193,10 +191,6 @@ async def pad_track(input: TrackInput, ctx: Context) -> PadTrackResult:
         transcript_id=input.transcript_id,
     )
 
-    await emit_progress_async(
-        input.transcript_id, "pad_track", "in_progress", ctx.workflow_run_id
-    )
-
     try:
         # Create fresh storage instance to avoid aioboto3 fork issues
         from reflector.settings import settings  # noqa: PLC0415
@@ -229,9 +223,6 @@ async def pad_track(input: TrackInput, ctx: Context) -> PadTrackResult:
                     f"Track {input.track_index} requires no padding",
                     track_index=input.track_index,
                 )
-                await emit_progress_async(
-                    input.transcript_id, "pad_track", "completed", ctx.workflow_run_id
-                )
                 return PadTrackResult(
                     padded_key=input.s3_key,
                     bucket_name=input.bucket_name,
@@ -275,10 +266,6 @@ async def pad_track(input: TrackInput, ctx: Context) -> PadTrackResult:
             padded_key=storage_path,
         )
 
-        await emit_progress_async(
-            input.transcript_id, "pad_track", "completed", ctx.workflow_run_id
-        )
-
         # Return S3 key (not presigned URL) - consumer tasks presign on demand
         # This avoids stale URLs when workflow is replayed
         return PadTrackResult(
@@ -290,9 +277,6 @@ async def pad_track(input: TrackInput, ctx: Context) -> PadTrackResult:
 
     except Exception as e:
         logger.error("[Hatchet] pad_track failed", error=str(e), exc_info=True)
-        await emit_progress_async(
-            input.transcript_id, "pad_track", "failed", ctx.workflow_run_id
-        )
         raise
 
 
@@ -308,10 +292,6 @@ async def transcribe_track(input: TrackInput, ctx: Context) -> TranscribeTrackRe
         language=input.language,
     )
 
-    await emit_progress_async(
-        input.transcript_id, "transcribe_track", "in_progress", ctx.workflow_run_id
-    )
-
     try:
         pad_result = _to_dict(ctx.task_output(pad_track))
         padded_key = pad_result.get("padded_key")
@@ -360,10 +340,6 @@ async def transcribe_track(input: TrackInput, ctx: Context) -> TranscribeTrackRe
             word_count=len(words),
         )
 
-        await emit_progress_async(
-            input.transcript_id, "transcribe_track", "completed", ctx.workflow_run_id
-        )
-
         return TranscribeTrackResult(
             words=words,
             track_index=input.track_index,
@@ -371,7 +347,4 @@ async def transcribe_track(input: TrackInput, ctx: Context) -> TranscribeTrackRe
 
     except Exception as e:
         logger.error("[Hatchet] transcribe_track failed", error=str(e), exc_info=True)
-        await emit_progress_async(
-            input.transcript_id, "transcribe_track", "failed", ctx.workflow_run_id
-        )
         raise
diff --git a/server/reflector/pipelines/main_multitrack_pipeline.py b/server/reflector/pipelines/main_multitrack_pipeline.py
index 579bfbd3..26f42c4f 100644
--- a/server/reflector/pipelines/main_multitrack_pipeline.py
+++ b/server/reflector/pipelines/main_multitrack_pipeline.py
@@ -32,6 +32,11 @@ from reflector.processors.audio_waveform_processor import AudioWaveformProcessor
 from reflector.processors.types import TitleSummary
 from reflector.processors.types import Transcript as TranscriptType
 from reflector.storage import Storage, get_transcripts_storage
+from reflector.utils.audio_constants import (
+    OPUS_DEFAULT_BIT_RATE,
+    OPUS_STANDARD_SAMPLE_RATE,
+    PRESIGNED_URL_EXPIRATION_SECONDS,
+)
 from reflector.utils.daily import (
     filter_cam_audio_tracks,
     parse_daily_recording_filename,
@@ -39,13 +44,6 @@ from reflector.utils.daily import (
 from reflector.utils.string import NonEmptyString
 from reflector.video_platforms.factory import create_platform_client
 
-# Audio encoding constants
-OPUS_STANDARD_SAMPLE_RATE = 48000
-OPUS_DEFAULT_BIT_RATE = 128000
-
-# Storage operation constants
-PRESIGNED_URL_EXPIRATION_SECONDS = 7200  # 2 hours
-
 
 class PipelineMainMultitrack(PipelineMainBase):
     def __init__(self, transcript_id: str):
diff --git a/server/reflector/services/transcript_process.py b/server/reflector/services/transcript_process.py
index f1fdec85..4c97faf0 100644
--- a/server/reflector/services/transcript_process.py
+++ b/server/reflector/services/transcript_process.py
@@ -251,7 +251,6 @@ async def dispatch_transcript_processing(
                 workflow_name="DiarizationPipeline",
                 input_data={
                     "recording_id": config.recording_id,
-                    "room_name": None,
                     "tracks": [{"s3_key": k} for k in config.track_keys],
                     "bucket_name": config.bucket_name,
                     "transcript_id": config.transcript_id,
diff --git a/server/reflector/utils/audio_constants.py b/server/reflector/utils/audio_constants.py
new file mode 100644
index 00000000..0ad964a9
--- /dev/null
+++ b/server/reflector/utils/audio_constants.py
@@ -0,0 +1,15 @@
+"""
+Shared audio processing constants.
+
+Used by both Hatchet workflows and Celery pipelines for consistent audio encoding.
+"""
+
+# Opus codec settings
+OPUS_STANDARD_SAMPLE_RATE = 48000
+OPUS_DEFAULT_BIT_RATE = 128000  # 128kbps for good speech quality
+
+# S3 presigned URL expiration
+PRESIGNED_URL_EXPIRATION_SECONDS = 7200  # 2 hours
+
+# Waveform visualization
+WAVEFORM_SEGMENTS = 255
diff --git a/server/reflector/worker/process.py b/server/reflector/worker/process.py
index 9a1ad9f6..801d5bd5 100644
--- a/server/reflector/worker/process.py
+++ b/server/reflector/worker/process.py
@@ -303,7 +303,6 @@ async def _process_multitrack_recording_inner(
             workflow_name="DiarizationPipeline",
             input_data={
                 "recording_id": recording_id,
-                "room_name": daily_room_name,
                 "tracks": [{"s3_key": k} for k in filter_cam_audio_tracks(track_keys)],
                 "bucket_name": bucket_name,
                 "transcript_id": transcript.id,
diff --git a/server/tests/test_hatchet_progress.py b/server/tests/test_hatchet_progress.py
deleted file mode 100644
index 059f68e0..00000000
--- a/server/tests/test_hatchet_progress.py
+++ /dev/null
@@ -1,62 +0,0 @@
-"""
-Tests for Hatchet progress emission.
-
-Only tests that catch real bugs - error handling and step completeness.
-"""
-
-from unittest.mock import AsyncMock, MagicMock, patch
-
-import pytest
-
-
-@pytest.mark.asyncio
-async def test_emit_progress_async_handles_exception():
-    """Test that emit_progress_async catches exceptions gracefully.
-
-    Critical: Progress emission must NEVER crash the pipeline.
-    WebSocket errors should be silently caught.
-    """
-    from reflector.hatchet.progress import emit_progress_async
-
-    with patch("reflector.hatchet.progress.get_ws_manager") as mock_get_ws:
-        mock_ws = MagicMock()
-        mock_ws.send_json = AsyncMock(side_effect=Exception("WebSocket error"))
-        mock_get_ws.return_value = mock_ws
-
-        # Should not raise - exceptions are caught
-        await emit_progress_async(
-            transcript_id="test-transcript-123",
-            step="finalize",
-            status="completed",
-        )
-
-
-@pytest.mark.asyncio
-async def test_pipeline_steps_mapping_complete():
-    """Test the PIPELINE_STEPS mapping includes all expected steps.
-
-    Useful: Catches when someone adds a new pipeline step but forgets
-    to add it to the progress mapping, resulting in missing UI updates.
-    """
-    from reflector.hatchet.progress import PIPELINE_STEPS, TOTAL_STEPS
-
-    expected_steps = [
-        "get_recording",
-        "get_participants",
-        "pad_track",
-        "mixdown_tracks",
-        "generate_waveform",
-        "transcribe_track",
-        "merge_transcripts",
-        "detect_topics",
-        "generate_title",
-        "generate_summary",
-        "finalize",
-        "cleanup_consent",
-        "post_zulip",
-        "send_webhook",
-    ]
-
-    for step in expected_steps:
-        assert step in PIPELINE_STEPS, f"Missing step in PIPELINE_STEPS: {step}"
-        assert 1 <= PIPELINE_STEPS[step] <= TOTAL_STEPS