[SandObserver]

Summary

• Set WIDGET_HEIGHTS for large and extra large to 330 and 510, two and three 150px rows plus their 30px row gaps, up from 304 and 456.
• Stretch multi-row widget cells to their grid area (.r2, .r3 { align-self: stretch }) and give their cards height: 100% with the table value as min-height, so they end with the row beside them, including rows sized by app tiles.

Testing
All green, Docker build and e2e included. Added a test that each multi-row height equals its rows plus the gaps between them.

Changelog

Fixed

• Large and extra large widgets on desktop now end level with the widgets beside them.

Checklist

• Stays within the project constraints: one container, no runtime dependencies, no build step (see CONTRIBUTING.md).
• Tests added or updated for new logic, and the full suite, lint, and typechecks pass.
• Docs updated if behavior or configuration changed.