Cheat Sheet
| Question | Core Idea | Senior Signal |
|---|---|---|
| Q396 | Build phases | Slice the upgraded practice ground into small visible changes with focused verification. |
| Q397 | QA workflow | Verify the learner loop across desktop, mobile, keyboard, errors, themes, copy actions, and persistence. |
| Q398 | Review checklist | Review workflow, architecture, state, editor behavior, execution safety, accessibility, layout, tests, and docs. |
| Q399-Q400 | Capstone | Plan a mini JS console and use Q400 as the midpoint readiness check before deeper implementation. |