chore(docs): add co-author rules and standardize branch naming (#82)

* docs: add CLAUDE.md for Claude Code guidance

* chore(docs): add co-author rules and standardize branch naming

- Add critical rules 8-9 prohibiting co-author information and
  generated-by statements on commits and pull requests
- Standardize branch naming to 3-part format: type/scope/short-description

Author: CalvinAllen

CLAUDE.md

@@ -10,9 +10,11 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 2. **Conventional commits** - Format: `type(scope): description`
 3. **GitHub Issues for TODOs** - Use `gh` CLI to manage issues, no local TODO files. Use conventional commit format for issue titles
 4. **Pull Request titles** - Use conventional commit format (same as commits)
-5. **Branch naming** - Use format: `type/short-description` (e.g., `feat/settings-dialog`)
+5. **Branch naming** - Use format: `type/scope/short-description` (e.g., `feat/action/new-input`)
 6. **Working an issue** - Always create a new branch from an updated main branch
 7. **Check branch status before pushing** - Verify the remote tracking branch still exists. If a PR was merged/deleted, create a new branch from main instead
+8. **No co-authors** - Do not add co-author information on commits or pull requests
+9. **No "generated by" statements** - Do not add generated-by statements on pull requests
 
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