v0.1.2

Changes

• Improved README.md with PyPI/license badges, API reference tables, categorized usage examples, and error handling section
• Updated CLAUDE.md to include v0.1.1 release plan in project structure
• Updated .claude/commands/release-plan.md to create NEW release plans per release
• Updated llms.txt with minor formatting fixes

Full Changelog: v0.1.1...v0.1.2