doc: Simplify CLAUDE.md for better AI comprehension

[xerial]

Summary

• Reduce CLAUDE.md from ~155 lines to ~71 lines
• Remove verbose explanations and self-evident information
• Keep only project-specific details that wouldn't be inferred from common knowledge
• Streamline branching rules: require PRs, create branch first, updated prefixes
• Consolidate redundant sections (Key Dependencies, Module Structure, Implementation Notes)

Test plan

• Review simplified content still captures essential project guidelines
• Verify branching workflow instructions are clear

🤖 Generated with Claude Code

[gemini-code-assist]

Summary of Changes

Hello @xerial, 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 refines the CLAUDE.md documentation to enhance clarity and conciseness, making it easier for AI models and developers to understand the project's guidelines. The changes focus on distilling essential information, streamlining development commands, and simplifying architectural and workflow descriptions.

Highlights

• Documentation Simplification: The CLAUDE.md file has been significantly reduced in length (from ~155 to ~71 lines) by removing verbose explanations and self-evident information, focusing only on project-specific details.
• Streamlined Branching Rules: The Git workflow section has been updated to clarify branching rules, emphasizing the requirement for PRs, creating branches first, and updating prefix guidelines.
• Consolidated Sections: Redundant sections such as 'Key Dependencies', 'Module Structure', and 'Important Implementation Notes' have been removed or integrated into other relevant sections for conciseness.

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[gemini-code-assist]

Code Review

The pull request successfully streamlines CLAUDE.md by removing verbose explanations and consolidating information, which aligns with the goal of improving AI comprehension. The updated branching rules are particularly clear and comprehensive. However, one important coding style guideline regarding API documentation was removed, which could impact code quality if not explicitly stated.