| Source feature | Recipe § | Implementation | Test | Status |
| :--- | :--- | :--- | :--- | :--- |
| 4-corner Layout | Structure | CSS Grid | Yes | ✓ |
| TL/TR/BL/BR Labels | Structure | DOM text nodes | Yes | ✓ |
| Input Binding | Behavior | Direct event mapping | Yes | ✓ |
| No Link Logic | Behavior | Disabled toggle | Yes | ✓ |
| Unit Support | Configuration | Input placeholder | Yes | ✓ |
| Grid Layout | Design | 2x2 Grid | Yes | ✓ |