chore(main): release 0.3.4

[a2a-bot]

🤖 I have created a release beep boop

0.3.4 (2026-01-05)

Features

• taskstore list (#126) (9987486)
• taskstore pagination (#136) (fffb4d4)

Bug Fixes

• nil parts must be empty array when encoded to JSON (#140) (049190c)
• provide request-level metadata in RequestContext (#152) (bf3096c)
• sse: increase buffer size for large SSE payloads (#149) (1287239)

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This PR was generated with Release Please. See documentation.

[gemini-code-assist]

Summary of Changes

Hello @a2a-bot, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request automates the release of version 0.3.4 for the project. It updates the internal release manifest and generates the corresponding changelog entry, which highlights the addition of a 'taskstore list' feature. This ensures that the project's versioning and release notes are consistently maintained.

Highlights

• Release Version Update: The project's version has been incremented from 0.3.3 to 0.3.4.
• Changelog Generation: A new entry for version 0.3.4 has been added to the CHANGELOG.md, detailing the inclusion of a new 'taskstore list' feature.

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[gemini-code-assist]

Code Review

This pull request contains automated changes for the 0.3.4 release. The version in .release-please-manifest.json is correctly updated, and the CHANGELOG.md has been updated with the new release information. I have one minor suggestion regarding file formatting best practices.

[gemini-code-assist]

It's a common best practice for text files to end with a single newline character. This can prevent issues with certain tools and file processing, such as concatenation.

Suggested change

	}
	}