Build system improvements

[mithro]

Summary

• Update Makefile to use virtual environment for Sphinx builds
• Add branch management guidelines to CLAUDE.md for proper git workflow

Changes

• Makefile: Updated SPHINXBUILD variable to use .venv/bin/sphinx-build
• CLAUDE.md: Added git workflow section with branch management guidelines

Test plan

• Verify virtual environment builds work correctly
• Test that documentation builds successfully with new Makefile
• Confirm git workflow guidelines are clear and actionable

🤖 Generated with Claude Code

[mithro]

Code Review for PR #3: Build System Improvements

Overall Assessment

✅ Excellent focused PR - Clean separation of concerns with well-implemented build system improvements.

Strengths

• Single responsibility - Only build system changes
• Virtual environment integration properly implemented
• Clear documentation in CLAUDE.md with practical git workflow guidelines
• Backward compatibility maintained for existing commands

Technical Review

Makefile Changes ✅

SPHINXBUILD = .venv/bin/sphinx-build  # Good: Uses virtual environment

• Consistent venv usage across all sphinx commands
• Proper target implementation for setup, install, clean-venv
• Good phony target declarations

CLAUDE.md Additions ✅

## Git Workflow
### Branch Management
- When making changes, start a new git branch...

• Practical guidance for development workflow
• Clear branch management strategy preventing common git issues
• No-fast-forward merge requirement maintains commit history

Minor Suggestions

1. Error handling in Makefile

   • Consider adding check for virtual environment existence
   • Add helpful error message if .venv missing

2. Dependencies documentation

   • Consider documenting required system dependencies (uv, etc.)
   • Add troubleshooting section for common setup issues

Dependencies Review

• No new external dependencies introduced
• Virtual environment isolation improves build consistency
• Uses existing uv tool which is already documented

Security Review

✅ No security concerns - all changes are local build improvements

Testing Recommendations

• Verify make setup works on clean environment
• Test make html with new virtual environment path
• Confirm make clean-venv properly removes virtual environment

Overall recommendation: Approve - excellent focused improvement

This PR demonstrates exactly how build system changes should be implemented - focused, well-documented, and maintaining compatibility.