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8c404418cf
- Rename content-block imports to new protocol names (TextContentBlock,
ReasoningContentBlock, InvalidToolCall, ToolCall, ToolCallChunk,
ServerToolCall, ServerToolCallChunk).
- Drop FinishReason and _normalize_finish_reason: the protocol removed
``reason`` from ``MessageFinishData`` in
2ef8585659.
Provider-level ``finish_reason`` / ``stop_reason`` now pass through
verbatim on ``MessageFinishData.metadata`` for downstream consumers.
- Simplify ``_build_message_finish`` and ``_finish_all_blocks``: the
tool_use re-classification previously driven by the finish reason is
obsolete now that the wire field is gone.
- Drop the ``_finish_reason`` accumulator from chat_model_stream: the
same data is surfaced via ``response_metadata`` through the passed-
through finish metadata.
Made-with: Cursor