| Q446 | Manual QA | Validate JavaScript, TypeScript, shortcuts, saved snippets, console safety, themes, and responsive layouts. |
| Q447 | Artifacts | Refresh PDFs and public artifacts only after stable content boundaries such as Q450. |
| Q448 | Portfolio | Use screenshots that show real product workflows: home, volume, reader, practice ground, docs, and mobile. |
| Q449 | Capstone | Explain the project through problem, architecture, implementation slices, quality gates, and trade-offs. |
| Q450 | Closure | Volume 9 is complete through Q450 with zero currently planned questions left in this volume. |