feat(stream): add option to filter acting chunks from streaming output

[AlbumenJ]

Change-Id: Ic9f7c11aaee4bfe5975d7c92377146d791b513fa

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]

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

[chickenlj]

LGTM.

[Copilot]

Pull request overview

This PR adds a new configuration option to filter acting chunks (incremental tool execution outputs) from streaming events, providing more granular control over what gets streamed to consumers.

Changes:

• Added includeActingChunk flag to StreamOptions (defaults to true for backward compatibility)
• Updated StreamingHook to filter ActingChunkEvent based on the new flag
• Added comprehensive unit tests for the new functionality

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
agentscope-core/src/main/java/io/agentscope/core/agent/StreamOptions.java	Added includeActingChunk field with getter and builder method, following the same pattern as reasoning chunk/result flags
agentscope-core/src/main/java/io/agentscope/core/agent/StreamingHook.java	Added conditional check to filter acting chunk events based on the new flag
agentscope-core/src/test/java/io/agentscope/core/agent/StreamOptionsTest.java	Added 5 unit tests covering default behavior, explicit settings, and integration with other flags

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[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...n/java/io/agentscope/core/agent/StreamingHook.java	0.00%	1 Missing ⚠️

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