Release 0.3.0

 refactor: provide summary to review stage, lower temperature to 0  (#6)

<!-- This is an auto-generated comment: release notes by chatgpt -->
### Summary by ChatGPT
Refactor: This pull request refactors the code to add a "Summary Stage"
before the "Review Stage". The "Summary Stage" summarizes all the files
in the pull request and adds the summary as a comment. The "Review
Stage" is now responsible only for reviewing the code changes.
<!-- end of auto-generated comment: release notes by chatgpt -->

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