search_depth: Optional[Literal['basic', 'advanced', 'fast', 'ultra-fast']] = Field(
default='basic',
description='Controls search thoroughness and result comprehensiveness.\n \n Use "basic" for simple queries requiring quick,
straightforward answers.\n \n Use "advanced" for complex queries,
specialized topics,
\n rare information,
or when in-depth analysis is needed.\n \n Use "fast" for optimized low latency with high relevance.\n \n Use "ultra-fast" when latency is prioritized above all else.\n '
)