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/sites/+page.svelte

@@ -0,0 +1,133 @@
+<script lang="ts">
+    import { onMount } from 'svelte';
+    import { load_ae_obj_li__site, create_ae_obj__site } from '$lib/ae_core/ae_core__site';
+    import { ae_api, ae_loc, slct } from '$lib/stores/ae_stores';
+    import { goto } from '$app/navigation';
+    import { Plus, Search, Globe } from 'lucide-svelte';
+
+    let site_li: any[] = $state([]);
+    let loading = $state(true);
+    let qry_enabled = $state('all');
+    let qry_hidden = $state('all');
+
+    async function load_sites() {
+        if (!$ae_loc.account_id) return;
+        loading = true;
+        site_li = await load_ae_obj_li__site({
+            api_cfg: $ae_api,
+            for_obj_id: $ae_loc.account_id,
+            enabled: qry_enabled as any,
+            hidden: qry_hidden as any,
+            log_lvl: 1
+        });
+        loading = false;
+    }
+
+    onMount(() => {
+        load_sites();
+    });
+
+    async function handle_add_site() {
+        const name = prompt('Enter new site name:');
+        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,
+            data_kv: {
+                name,
+                code: code || undefined,
+                enable: true
+            },
+            log_lvl: 1
+        });
+
+        if (new_site) {
+            load_sites();
+        }
+    }
+</script>
+
+<div class="container mx-auto p-4 space-y-4">
+    <header class="flex justify-between items-center">
+        <div class="flex items-center gap-2">
+            <Globe size={24} />
+            <h1 class="h2">Site Management</h1>
+        </div>
+        <button class="btn variant-filled-primary" onclick={handle_add_site}>
+            <Plus size={16} class="mr-2" /> Add Site
+        </button>
+    </header>
+
+    <div class="card p-4 variant-soft flex flex-wrap gap-4 items-end">
+        <label class="label">
+            <span>Enabled Status</span>
+            <select class="select" bind:value={qry_enabled} onchange={load_sites}>
+                <option value="all">All</option>
+                <option value="enabled">Enabled Only</option>
+                <option value="not_enabled">Disabled Only</option>
+            </select>
+        </label>
+        <label class="label">
+            <span>Hidden Status</span>
+            <select class="select" bind:value={qry_hidden} onchange={load_sites}>
+                <option value="all">All</option>
+                <option value="not_hidden">Not Hidden Only</option>
+                <option value="hidden">Hidden Only</option>
+            </select>
+        </label>
+        <button class="btn variant-filled-secondary" onclick={load_sites} disabled={loading}>
+            <Search size={16} class="mr-2" /> Refresh
+        </button>
+    </div>
+
+    {#if loading}
+        <div class="flex justify-center p-12">
+            <div class="placeholder animate-pulse w-full h-32"></div>
+        </div>
+    {:else if site_li.length === 0}
+        <div class="card p-8 text-center">
+            <p>No sites found for this account matching your filters.</p>
+        </div>
+    {:else}
+        <div class="table-container">
+            <table class="table table-hover">
+                <thead>
+                    <tr>
+                        <th>Name</th>
+                        <th>Code</th>
+                        <th>Created</th>
+                        <th>Status</th>
+                        <th class="text-right">Actions</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {#each site_li as site}
+                        <tr>
+                            <td>{site.name}</td>
+                            <td><code class="code">{site.code || '--'}</code></td>
+                            <td>{new Date(site.created_on).toLocaleDateString()}</td>
+                            <td>
+                                {#if site.enable}
+                                    <span class="badge variant-filled-success">Enabled</span>
+                                {:else}
+                                    <span class="badge variant-filled-error">Disabled</span>
+                                {/if}
+                                {#if site.hide}
+                                    <span class="badge variant-filled-warning">Hidden</span>
+                                {/if}
+                            </td>
+                            <td class="text-right">
+                                <button class="btn btn-sm variant-soft-primary" onclick={() => goto(`/core/sites/${site.site_id_random}`)}>
+                                    Manage
+                                </button>
+                            </td>
+                        </tr>
+                    {/each}
+                </tbody>
+            </table>
+        </div>
+    {/if}
+</div>