Collapsed state per category
Whether the filter panel is collapsible
Available filters to display
Current minimum score as a percentage (0-100)
The MinScore that was last sent to the server (for visual indicator)
Whether to show the min relevance slider
Clear all filters
Get total active filter count
Check if any filters are active
Check if all options in a category are selected
Check if a category is collapsed
Check if an option is selected
Apply the expand/collapse state emitted by a category's accordion panel. Inverse mapping: an expanded panel means the category is NOT collapsed. No-op when filtering is not collapsible.
Handle relevance slider change (legacy — used when input event fires)
Handle relevance slider release — commits the value and triggers re-query if needed
Handle relevance slider drag (preview only — updates display without triggering search)
Select all options in a category, or clear all if already all selected
Toggle a filter option
Currently active filter selections