update RedactedContentStreamEvent to make reasoning optional with default

Author: afarntrog

src/strands/event_loop/streaming.py

@@ -175,8 +175,7 @@ def handle_content_block_delta(
             state.setdefault("redactedContent", b"")
             state["redactedContent"] += redacted_content
             typed_event = RedactedContentStreamEvent(
-                redacted_content=redacted_content,
-                delta=delta_content,
+                redacted_content=redacted_content, delta=delta_content, reasoning=True
             )
 
     return state, typed_event

src/strands/types/_events.py

@@ -172,9 +172,9 @@ def __init__(self, delta: ContentBlockDelta, reasoning_text: str | None) -> None
 class RedactedContentStreamEvent(ModelStreamEvent):
     """Event emitted during redacted content streaming."""
 
-    def __init__(self, delta: ContentBlockDelta, redacted_content: bytes | None) -> None:
+    def __init__(self, delta: ContentBlockDelta, redacted_content: bytes | None, reasoning: bool = False) -> None:
         """Initialize with delta and redacted content."""
-        super().__init__({"redactedContent": redacted_content, "delta": delta, "reasoning": True})
+        super().__init__({"redactedContent": redacted_content, "delta": delta, "reasoning": reasoning})
 
 
 class ReasoningSignatureStreamEvent(ModelStreamEvent):