chunker ui redo

core/schema/models/grpc.py

@@ -41,6 +41,13 @@ class CancelRequest:
     job_id: str
 
 
+@dataclass
+class ChunkStreamRequest:
+    """Request to stream chunk pipeline events."""
+
+    job_id: str
+
+
 @dataclass
 class Empty:
     """Empty message for requests with no parameters."""
@@ -94,6 +101,26 @@ class WorkerStatus:
     gpu_available: bool
 
 
+@dataclass
+class ChunkPipelineEvent:
+    """Streaming chunk pipeline event."""
+
+    job_id: str
+    event_type: str  # pipeline_start, chunk_queued, chunk_done, etc.
+    sequence: int = 0
+    worker_id: str = ""
+    state: str = ""
+    queue_size: int = 0
+    elapsed: float = 0.0
+    throughput_mbps: float = 0.0
+    total_chunks: int = 0
+    processed_chunks: int = 0
+    failed_chunks: int = 0
+    error: str = ""
+    processing_time: float = 0.0
+    retries: int = 0
+
+
 # -----------------------------------------------------------------------------
 # Service Definition (for documentation, generator uses this)
 # -----------------------------------------------------------------------------
@@ -126,5 +153,11 @@ GRPC_SERVICE = {
             "response": WorkerStatus,
             "stream_response": False,
         },
+        {
+            "name": "StreamChunkPipeline",
+            "request": ChunkStreamRequest,
+            "response": ChunkPipelineEvent,
+            "stream_response": True,  # Server streaming
+        },
     ],
 }