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/core/sites/+page.svelte

@@ -12,9 +12,9 @@
     let qry_str = $state('');
 
     let filtered_li = $derived(
-        qry_str 
-            ? site_li.filter(s => 
-                s.name?.toLowerCase().includes(qry_str.toLowerCase()) || 
+        qry_str
+            ? site_li.filter(s =>
+                s.name?.toLowerCase().includes(qry_str.toLowerCase()) ||
                 s.code?.toLowerCase().includes(qry_str.toLowerCase())
               )
             : site_li
@@ -42,7 +42,7 @@
         if (!name) return;
 
         const code = prompt('Enter site code (optional):');
-        
+
         const new_site = await create_ae_obj__site({
             api_cfg: $ae_api,
             account_id: $ae_loc.account_id,
@@ -84,11 +84,11 @@
                     <div class="flex items-center justify-center px-4 bg-surface-300-600-token border-r border-surface-500/20">
                         <Search size={18} class="opacity-50" />
                     </div>
-                    <input 
+                    <input
                         class="bg-transparent border-0 ring-0 focus:ring-0 p-3 grow placeholder:opacity-50"
-                        type="search" 
-                        bind:value={qry_str} 
-                        placeholder="Search by name or code..." 
+                        type="search"
+                        bind:value={qry_str}
+                        placeholder="Search by name or code..."
                     />
                     <button class="variant-filled-primary font-bold px-10 py-3 hover:brightness-110 transition-all border-l border-surface-500/20 flex items-center justify-center min-w-[100px]" onclick={load_sites} disabled={loading}>
                         {#if loading}
@@ -141,7 +141,7 @@
             </h3>
 
             <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
-                {#each filtered_li as site}
+                {#each filtered_li as site (site.site_id_random)}
                     <div class="card p-5 space-y-4 variant-soft-surface shadow-md border border-surface-500/10 hover:border-primary-500/30 transition-all group relative">
                         <div class="absolute top-4 right-4 flex gap-1">
                             {#if site.hide}
@@ -161,7 +161,7 @@
                                 <p class="text-[10px] uppercase font-bold opacity-50 font-mono tracking-tighter">Code: {site.code || '--'}</p>
                             </div>
                         </header>
-                        
+
                         <div class="space-y-2 text-xs opacity-70">
                             <div class="flex items-center gap-2 bg-black/5 p-2 rounded-lg">
                                 <Calendar size={14} class="text-primary-500 shrink-0" />