feat(compose): support multimodal tool invoke

[zhuangjie1125]

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[hi-pender]

定了 ToolOutputPart？但是没使用

[codecov]

Codecov Report

❌ Patch coverage is 31.89964% with 190 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.41%. Comparing base (9e6963f) to head (7a955b7).

Files with missing lines	Patch %	Lines
compose/tool_node.go	44.27%	101 Missing and 11 partials ⚠️
components/tool/utils/invokable_func.go	0.00%	68 Missing ⚠️
components/tool/callback_extra.go	0.00%	7 Missing ⚠️
components/tool/utils/create_options.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #712      +/-   ##
==========================================
- Coverage   81.59%   80.41%   -1.19%     
==========================================
  Files         127      127              
  Lines       12253    12464     +211     
==========================================
+ Hits         9998    10023      +25     
- Misses       1512     1691     +179     
- Partials      743      750       +7     

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