UnifiedResponse

def get_content_by_type(self, content_type: str) -> list[BaseContent]:
    """Get all content blocks of a specific type across all messages.

    This is especially useful for unknown types handled by GenericContent.

    Args:
        content_type: The type string to filter by (e.g., "text", "reasoning", "reflection")

    Returns:
        List of content blocks matching the type across all messages
    """
    return [block for msg in self.messages for block in msg.get_content_by_type(content_type)]

def is_standard_status(self) -> bool:
    """Check if this response uses a standard status value.

    Returns:
        True if status is one of the standard statuses (completed, in_progress, failed),
        False if it's a custom/future status or None
    """
    return self.status in self.STANDARD_STATUSES if self.status else False