Cheat Sheet
| Question | Core Idea | Senior Signal |
|---|---|---|
| Q431 | Transform tests | Use Node test runner for pure functions and cover indentation, outdent, duplication, and selection positions. |
| Q432 | Console tests | Separate pure formatting tests from browser-worker manual QA for timeout, Blob URL, and clipboard behavior. |
| Q433-Q434 | Snippets | Start with versioned localStorage, save, load, delete, empty state, language labels, and conflict protection. |
| Q435 | Checkpoint | Volume 9 target is Q450, leaving 15 planned questions after this batch. |