Remove stream frame version field

lib/crewai/src/crewai/types/streaming.py

@@ -31,7 +31,6 @@ StreamChannel = Literal[
 class StreamFrame(BaseModel):
     """Stable public stream frame emitted by streamable runtimes."""
 
-    version: Literal["v1"] = "v1"
     id: str = Field(description="Unique frame/event identifier")
     seq: int | None = Field(default=None, description="Execution-local order")
     type: str = Field(description="Source event type")

lib/crewai/src/crewai/utilities/streaming.py

@@ -218,7 +218,6 @@ def stream_frame_from_event(event: BaseEvent) -> StreamFrame:
     if not isinstance(data, dict):
         data = {"value": data}
     return StreamFrame(
-        version="v1",
         id=event.event_id,
         seq=event.emission_sequence,
         type=event.type,

lib/crewai/tests/test_stream_frames.py

@@ -95,7 +95,6 @@ def test_stream_frame_contract_and_ordering() -> None:
 
     assert stream.result == "done"
     assert all(isinstance(frame, StreamFrame) for frame in frames)
-    assert all(frame.version == "v1" for frame in frames)
     assert [frame.seq for frame in frames] == sorted(frame.seq for frame in frames)
 
     by_type = {frame.type: frame for frame in frames}