feat(tavily): search updates

[guy-hartstein]

This pull request enhances the TavilySearchTool by expanding its configuration options, improving documentation, and ensuring support for new parameters introduced by tavily-python. The changes make the tool more flexible and future-proof, allowing both users and agents to fine-tune search behavior at runtime or initialization, and to pass through new options as needed.

Key changes:

Feature Enhancements

• Added new parameters to TavilySearchTool and its schema, including start_date, end_date, country, auto_parameters, include_favicon, include_usage, and support for extra_kwargs to pass arbitrary arguments to tavily-python. Also, include_raw_content now accepts "markdown" and "text" in addition to bool. [1] [2] [3]
• Updated both synchronous (_run) and asynchronous (_arun) search methods to accept and forward the new parameters and extra_kwargs to the underlying tavily-python client. [1] [2] [3] [4] [5] [6]

Documentation Updates

• Significantly revised English and Korean documentation to clearly distinguish between agent-settable (runtime) and user-settable (initialization) parameters. All new parameters are now documented, and examples have been updated to reflect these changes. [1] [2] [3]
• Added documentation and usage examples for extra_kwargs in both the main README and tool documentation, explaining how to forward new tavily-python parameters not yet explicitly supported. [1] [2]

Minor Improvements

• Clarified output documentation to refer to "raw content" instead of "raw HTML content" and linked to the Tavily API docs for response structure details in both English and Korean. [1] [2]

These updates make the tool easier to use, more adaptable to future API changes, and better documented for both English and Korean users.

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Note

Adds new Tavily parameters (dates, country, auto-tuning, favicon/usage), runtime overrides for depth/time, extra_kwargs passthrough, and updates EN/KO docs accordingly.

• Tool Enhancements (lib/crewai-tools/.../tavily_search_tool.py):
  • Extend TavilySearchToolSchema with runtime search_depth and time_range.
  • Add new config fields: start_date, end_date, country, auto_parameters, include_favicon, include_usage, and extra_kwargs.
  • Broaden include_raw_content to accept "markdown" | "text" in addition to bool.
  • Update _run and _arun to accept runtime search_depth/time_range, forward all new params, and pass through **extra_kwargs to tavily-python.
• Documentation:
  • EN/KO guides (docs/en/.../tavilysearchtool.mdx, docs/ko/.../tavilysearchtool.mdx): clarify agent-settable vs. user-settable params; document new options; update examples; switch phrasing to "raw content" and add link to Tavily API response docs.
  • README (lib/crewai-tools/.../README.md): document extra_kwargs argument and provide usage example.

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