chunker ui redo

core/rpc/server.py

@@ -173,6 +173,43 @@ class WorkerServicer(worker_pb2_grpc.WorkerServiceServicer):
             message="Job not found",
         )
 
+    def StreamChunkPipeline(self, request, context) -> Iterator[worker_pb2.ChunkPipelineEvent]:
+        """Stream chunk pipeline events for a job."""
+        from core.events import poll_events
+
+        job_id = request.job_id
+        logger.info(f"StreamChunkPipeline: {job_id}")
+
+        cursor = 0
+        timeout = time.monotonic() + 600  # 10 min max
+
+        while context.is_active() and time.monotonic() < timeout:
+            events, cursor = poll_events(job_id, cursor)
+
+            for data in events:
+                event_type = data.pop("event", "")
+                yield worker_pb2.ChunkPipelineEvent(
+                    job_id=job_id,
+                    event_type=event_type,
+                    sequence=data.get("sequence", 0),
+                    worker_id=data.get("worker_id", ""),
+                    state=data.get("state", ""),
+                    queue_size=data.get("queue_size", 0),
+                    elapsed=data.get("elapsed", 0.0),
+                    throughput_mbps=data.get("throughput_mbps", 0.0),
+                    total_chunks=data.get("total_chunks", 0),
+                    processed_chunks=data.get("processed_chunks", 0),
+                    failed_chunks=data.get("failed_chunks", 0),
+                    error=data.get("error", ""),
+                    processing_time=data.get("processing_time", 0.0),
+                    retries=data.get("retries", 0),
+                )
+
+                if event_type in ("pipeline_complete", "pipeline_error"):
+                    return
+
+            time.sleep(0.05)
+
     def GetWorkerStatus(self, request, context):
         """Get worker health and capabilities."""
         try: