Type Alias ColumnDrawerBinding

ColumnDrawerBinding:
    | { kind: typeof SEARCH_FILTERS; key: keyof SearchFilters }
    | { kind: typeof SELECTED_SUPPLIERS }
    | {
        kind: typeof USER_SETTINGS_RANGE;
        minKey: keyof UserSettings;
        maxKey: keyof UserSettings;
    }

Describes where a column's drawer-section value reads/writes in app state. DrawerSearchPanel dispatches on .kind to pull/push the right slice — columns don't need to know how the context is structured.