fix: add missing each-block keys (svelte/require-each-key)

Fixed all 27 remaining instances across 19 files. Keys used:
- Object ID fields where available (e.g. account_id_random, event_file_id)
- index for logger lists with no reliable unique key
- Property name for Object.entries() loops

src/routes/testing/fix-sw/+page.svelte

@@ -10,7 +10,7 @@
 
     async function nukeServiceWorkers() {
         log('Starting Service Worker cleanup...');
-        
+
         if (!('serviceWorker' in navigator)) {
             log('Service Workers not supported in this browser.');
             return;
@@ -55,14 +55,14 @@
 <div class="p-8 max-w-2xl mx-auto font-mono">
     <h1 class="text-2xl font-bold mb-4 text-red-600">Service Worker Reset Tool</h1>
     <p class="mb-4">Attempting to unregister all service workers and clear caches to fix the TypeError loop.</p>
-    
+
     <div class="bg-gray-100 p-4 rounded border border-gray-300 min-h-[200px]">
-        {#each status as line}
+        {#each status as line, i (i)}
             <div class="border-b border-gray-200 last:border-0 py-1">{line}</div>
         {/each}
     </div>
 
-    <button 
+    <button
         class="mt-4 px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700"
         onclick={() => window.location.reload()}
     >