Unify forward output datastructure (#11124)

python/sglang/srt/managers/schedule_batch.py

@@ -860,10 +860,6 @@ class Req:
         )
 
 
-# Batch id
-bid = 0
-
-
 @dataclasses.dataclass
 class ScheduleBatch(ScheduleBatchDisaggregationDecodeMixin):
     """Store all information of a batch on the scheduler."""
@@ -1829,10 +1825,7 @@ class ScheduleBatch(ScheduleBatchDisaggregationDecodeMixin):
             seq_lens_cpu_cache if seq_lens_cpu_cache is not None else self.seq_lens_cpu
         )
 
-        global bid
-        bid += 1
         return ModelWorkerBatch(
-            bid=bid,
             forward_mode=self.forward_mode,
             input_ids=self.input_ids,
             req_pool_indices=self.req_pool_indices,
@@ -1952,8 +1945,6 @@ class ScheduleBatch(ScheduleBatchDisaggregationDecodeMixin):
 
 @dataclasses.dataclass
 class ModelWorkerBatch:
-    # The batch id
-    bid: int
     # The forward mode
     forward_mode: ForwardMode
     # The input ids