Update CLAUDE.md with comprehensive ESLint rules documentation

- Reorganize ESLint section with tables for better readability
- Document all TypeScript strict typing rules
- Add naming conventions section with examples
- Add code quality rules (eqeqeq, prefer-const, no-console)
- Include fix examples for @ts-ignore and non-null assertions
- Add --fix command to lint instructions

Refs #72

🤖 Generated with [Claude Code](https://claude.com/claude-code

)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>