feat: claude release notes agent

[tomkis]

Summary

Introduces Claude subagent to generate release notes

Documentation

• No Docs Needed:

If this PR adds new feature or changes existing. Make sure documentation is adjusted accordingly. If the docs is not needed, please explain why.

[gemini-code-assist]

Summary of Changes

Hello @tomkis, 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 integrates a new Claude-powered agent designed to streamline the generation of release notes. By programmatically analyzing merged pull requests within a specified version range, the agent ensures comprehensive and user-focused documentation of changes, significantly reducing manual effort in the release process.

Highlights

• New Claude Agent: Introduces a new Claude subagent specifically designed for generating release notes.
• Automated Release Notes Generation: The agent automates the process of compiling release notes by analyzing merged pull requests between specified version tags.
• Intelligent Content Extraction: It intelligently extracts change summaries, prioritizing those from gemini-code-assist bot comments, and falling back to PR titles and descriptions if bot summaries are unavailable.
• Defined Scope and Formatting: The agent adheres to strict rules for including relevant changes (SDK, UI, CLI features/fixes) and formatting the output, focusing on user-facing impact and highlighting breaking changes.

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[gemini-code-assist]

Code Review

This pull request introduces a new Claude agent for generating release notes, defined in a markdown file. My review provides suggestions to improve the clarity and correctness of the agent's instructions. I've identified a duplicate tool in the configuration, a typo, ambiguous phrasing in the rules, and a missing newline at the end of the file. Addressing these points will improve the agent's reliability and the quality of its output.

[gemini-code-assist]

The file is missing a final newline character. It's a standard convention to end files with a newline to prevent issues with file concatenation and some command-line tools.