feat(extension): support tool schema for completions chat api for issue:[Feature]: exsited chat completions api support request with user defined toolschema #489

[Alexxigang]

AgentScope-Java Version

[The version of AgentScope-Java you are working on, e.g. 1.0.6, check your pom.xml dependency version or run mvn dependency:tree | grep agentscope-parent:pom(only mac/linux)]

Description

[Please describe the background, purpose, changes made, and how to test this PR]
as for chat completions api web starter now,it lack client defined toolschema ,so we want it has ability to access client tool schema and when agent return tool suspend event ,then client invoke the tool .

Checklist

Please check the following items before code is ready to be reviewed.

• Code has been formatted with mvn spotless:apply
• All tests are passing (mvn test)
• Javadoc comments are complete and follow project conventions
• Related documentation has been updated (e.g. links, examples, etc.)
• Code is ready for review

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All committers have signed the CLA.

[codecov]

Codecov Report

❌ Patch coverage is 80.00000% with 18 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...pring/boot/chat/web/ChatCompletionsController.java	14.28%	10 Missing and 2 partials ⚠️
...etions/builder/ChatCompletionsResponseBuilder.java	20.00%	1 Missing and 3 partials ⚠️
...hat/completions/converter/OpenAIToolConverter.java	95.34%	2 Missing ⚠️

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