/start-feature

Start new feature or continue existing feature development

## Context

- Current branch: !`git branch --show-current`
- Existing feature branches: List all feature branches
- Git status: !`git status --porcelain`

## Requirements

- Feature branches must use kebab-case names under the `feature/` prefix.
- Maintain a clean working tree before switching or publishing branches.
- Publish new feature branches to origin for collaboration.
- **Use atomic commits for logical units of work**: Each commit should represent one complete, cohesive change.
- Title: entirely lowercase, <50 chars, imperative mood (e.g., "add", "fix", "update"), conventional commi...