feat(badges): hide toggle, print count editor, show hidden filter

- Hide/Unhide toggle button (Trusted + Edit Mode) on each badge row in the list; badge disappears immediately when hidden unless Show Hidden is active
- Print count inline editor in debug row (Admin + Edit Mode); updates count only, no timestamp changes
- "Show Hidden" checkbox in search filters (Trusted + Edit Mode); wires through IDB fast-path, API hidden param, and visible_badge_obj_li filter
- show_hidden requires edit_mode to be active — reverts to hiding hidden badges when edit mode is off

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/routes/events/[event_id]/(badges)/badges/+page.svelte

@@ -168,6 +168,7 @@ let search_params = $derived({
     printed: badges_loc.current.qry_printed_status,
     aff: (badges_loc.current.qry_affiliations ?? '').toLowerCase().trim(),
     sort: badges_loc.current.qry_sort_order,
+    show_hidden: badges_loc.current.show_hidden,
     event_id: $events_slct?.event_id,
     remote_first: badges_loc.current.qry__remote_first,
     result_limit: effective_search_limits.result_limit,
@@ -217,11 +218,13 @@ async function handle_search_refresh(params: any) {
     const result_limit = params.result_limit;
     const min_chars = params.min_chars;
 
+    const show_hidden = params.show_hidden;
+
     // Defense-in-depth: enforce min_chars even if the search component lets one through.
     // Exception: if the user has set a non-default filter or sort, that is explicit intent —
     // run the search even without a text query.
     const has_active_filters =
-        printed_status !== 'all' || !!type_code || !!aff_str || !!params.sort;
+        printed_status !== 'all' || !!type_code || !!aff_str || !!params.sort || show_hidden;
     if (qry_str.length < min_chars && !has_active_filters) {
         untrack(() => {
             event_badge_id_li = [];
@@ -239,6 +242,9 @@ async function handle_search_refresh(params: any) {
                     .where('event_id')
                     .equals(event_id)
                     .filter((badge) => {
+                        // Exclude hidden badges unless show_hidden is active
+                        if (!show_hidden && badge.hide) return false;
+
                         if (type_code && badge.badge_type_code !== type_code)
                             return false;
 
@@ -416,6 +422,7 @@ async function handle_search_refresh(params: any) {
             type_code: type_code || null,
             printed_status: printed_status,
             affiliations_qry_str: aff_str || null,
+            hidden: show_hidden ? 'all' : 'not_hidden',
             order_by_li: order_by_li,
             limit: result_limit,
             log_lvl: 0