refactor: Standardize data processing and update to Svelte 5 runes

This commit introduces a major refactoring of the data processing logic across multiple modules (events, archives, posts, sponsorships) to use a standardized pattern with . This improves consistency and maintainability.

Key changes:
- Replaced module-specific data processing with a generic helper.
- Removed deprecated  functions.
- Updated Svelte components to leverage the new Svelte 5 runes, simplifying state management.
- Fixed linting errors and updated test configurations.
- Added .

src/lib/ae_events/ae_events__event_badge_template.ts

@@ -178,31 +178,7 @@ export async function process_ae_obj__event_badge_template_props({
 }
 
 
-// --- DB SAVE FUNCTION ---
-export async function db_save_ae_obj_li__event_badge_template({
-    obj_type,
-    obj_li,
-    log_lvl = 0
-}: {
-    obj_type: string,
-    obj_li: any[],
-    log_lvl?: number
-}) {
-    if (log_lvl) {
-        console.log(`*** db_save_ae_obj_li__event_badge_template() *** obj_type=${obj_type}`, obj_li);
-    }
-    if (!obj_li || obj_li.length === 0) {
-        if (log_lvl) console.log('No objects to save.');
-        return [];
-    }
-    return await db_save_ae_obj_li__ae_obj({
-        db_instance: db_events,
-        table_name: 'badge_template',
-        obj_li,
-        properties_to_save,
-        log_lvl,
-    });
-}
+
 
 
 // --- CRUD FUNCTIONS ---