/plan

Create an implementation plan (auto-infers: feature, bug, chore)

# Developer: Implementation Planning

Router command that infers work type and delegates to the appropriate planning skill.

## Input Handling

The argument can be:

| Input Type | Example | Handling |
|------------|---------|----------|
| **Folder path** | `.hefesto/features/.../stories/001-login` | Read all relevant files in folder |
| **File path** | `specs/issue-123/description.md` | Read the file directly |
| **Text prompt** | `"Add user authentication with OAuth"` | Use as the work description |

If a path is provided, read its contents to understand the work. If it's a prompt, use it...