Module sort 

Result sorting with selection preservation across sort modes.

Implements cache-based O(n) reordering for sort mode switching between cacheable modes. BestMatches mode is query-dependent and always performs full O(n log n) sort.

Functions

invalidate_sort_caches

What: Invalidate all sort caches.

sort_results_preserve_selection

What: Apply the currently selected sorting mode to app.results in-place.