Migrate Event Badges to V3 and implement Core Management pages

- Completed V3 migration for Event Badge CRUD operations
- Implemented User module V3 logic and editable fields
- Created management routes for Accounts, Sites, Users, and Lookups
- Updated Site Domain logic to use 'fqdn' and show 'access_key'
- Modernized Core Dashboard with navigation cards
- Restored Dexie User table definition

src/routes/core/lookups/+page.svelte

@@ -0,0 +1,100 @@
+<script lang="ts">
+    import { onMount } from 'svelte';
+    import { ae_api, ae_loc } from '$lib/stores/ae_stores';
+    import { goto } from '$app/navigation';
+    import { List, Globe, Clock, MapPin } from 'lucide-svelte';
+    import { api } from '$lib/api/api';
+
+    let loading = $state(true);
+    let lookups: any = $state({
+        countries: [],
+        time_zones: [],
+        subdivisions: []
+    });
+
+    async function load_lookups() {
+        loading = true;
+        // Using existing generic lookup loaders if available, or raw API calls
+        const [countries, time_zones] = await Promise.all([
+            api.get_ae_obj_li_for_lu({ api_cfg: $ae_api, for_lu_type: 'country', log_lvl: 0 }),
+            api.get_ae_obj_li_for_lu({ api_cfg: $ae_api, for_lu_type: 'time_zone', log_lvl: 0 })
+        ]);
+
+        lookups.countries = countries || [];
+        lookups.time_zones = time_zones || [];
+        loading = false;
+    }
+
+    onMount(() => {
+        if (!$ae_loc.manager_access) {
+            goto('/core');
+            return;
+        }
+        load_lookups();
+    });
+</script>
+
+<div class="container mx-auto p-4 space-y-6">
+    <header class="flex items-center gap-2">
+        <List size={24} />
+        <h1 class="h2">System Lookups</h1>
+    </header>
+
+    {#if loading}
+        <div class="placeholder animate-pulse w-full h-64"></div>
+    {:else}
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+            <!-- Countries -->
+            <div class="card p-4 space-y-4">
+                <header class="flex items-center gap-2 border-b border-surface-500/30 pb-2">
+                    <Globe size={18} />
+                    <h3 class="h4">Countries</h3>
+                </header>
+                <div class="table-container max-h-[400px] overflow-auto">
+                    <table class="table table-compact">
+                        <thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>ISO Alpha-2</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {#each lookups.countries as c}
+                                <tr>
+                                    <td>{c.name}</td>
+                                    <td><code class="code">{c.alpha_2_code}</code></td>
+                                </tr>
+                            {/each}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+
+            <!-- Time Zones -->
+            <div class="card p-4 space-y-4">
+                <header class="flex items-center gap-2 border-b border-surface-500/30 pb-2">
+                    <Clock size={18} />
+                    <h3 class="h4">Time Zones</h3>
+                </header>
+                <div class="table-container max-h-[400px] overflow-auto">
+                    <table class="table table-compact">
+                        <thead>
+                            <tr>
+                                <th>Zone Name</th>
+                                <th>Offset</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {#each lookups.time_zones as tz}
+                                <tr>
+                                    <td>{tz.name}</td>
+                                    <td>{tz.offset_seconds / 3600}h</td>
+                                </tr>
+                            {/each}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+    {/if}
+</div>