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/users/+page.svelte

@@ -0,0 +1,113 @@
+<script lang="ts">
+    import { onMount } from 'svelte';
+    import { load_ae_obj_li__user, create_ae_obj__user } from '$lib/ae_core/ae_core__user';
+    import { ae_api, ae_loc } from '$lib/stores/ae_stores';
+    import { goto } from '$app/navigation';
+    import { Plus, Search, User, ShieldCheck, Mail } from 'lucide-svelte';
+
+    let user_li: any[] = $state([]);
+    let loading = $state(true);
+    let qry_str = $state('');
+    let qry_enabled = $state('all');
+
+    async function load_users() {
+        loading = true;
+        user_li = await load_ae_obj_li__user({
+            api_cfg: $ae_api,
+            qry_str: qry_str || null,
+            enabled: qry_enabled as any,
+            log_lvl: 1
+        });
+        loading = false;
+    }
+
+    onMount(() => {
+        if (!$ae_loc.manager_access) {
+            goto('/core');
+            return;
+        }
+        load_users();
+    });
+
+    async function handle_add_user() {
+        const username = prompt('Enter new username:');
+        if (!username) return;
+        const email = prompt('Enter email address:');
+        
+        await create_ae_obj__user({
+            api_cfg: $ae_api,
+            data_kv: { username, email, enable: true },
+            log_lvl: 1
+        });
+        load_users();
+    }
+</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">
+            <ShieldCheck size={24} />
+            <h1 class="h2">User Management</h1>
+        </div>
+        <button class="btn variant-filled-primary" onclick={handle_add_user}>
+            <Plus size={16} class="mr-2" /> Add User
+        </button>
+    </header>
+
+    <div class="card p-4 variant-soft flex flex-wrap gap-4 items-end">
+        <label class="label flex-1">
+            <span>Search Username or Email</span>
+            <div class="input-group input-group-divider grid-cols-[auto_1fr_auto]">
+                <div class="input-group-shim"><Search size={16} /></div>
+                <input type="search" bind:value={qry_str} placeholder="Search..." onkeydown={(e) => e.key === 'Enter' && load_users()} />
+                <button class="variant-filled-secondary" onclick={load_users}>Go</button>
+            </div>
+        </label>
+        <label class="label">
+            <span>Status</span>
+            <select class="select w-32" bind:value={qry_enabled} onchange={load_users}>
+                <option value="all">All</option>
+                <option value="enabled">Enabled</option>
+                <option value="not_enabled">Disabled</option>
+            </select>
+        </label>
+    </div>
+
+    {#if loading}
+        <div class="placeholder animate-pulse w-full h-64"></div>
+    {:else if user_li.length === 0}
+        <p class="text-center py-12 opacity-60">No users found.</p>
+    {:else}
+        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+            {#each user_li as user}
+                <div class="card p-4 space-y-3 variant-soft flex flex-col justify-between">
+                    <div class="space-y-2">
+                        <header class="flex justify-between items-start">
+                            <div class="flex items-center gap-2">
+                                <div class="avatar variant-filled-surface w-10 h-10 flex items-center justify-center rounded-full">
+                                    <User size={20} />
+                                </div>
+                                <div>
+                                    <p class="font-bold">{user.username}</p>
+                                    <p class="text-xs opacity-60">{user.name || '--'}</p>
+                                </div>
+                            </div>
+                            {#if user.super}
+                                <span class="badge variant-filled-error">Super</span>
+                            {:else if user.manager}
+                                <span class="badge variant-filled-warning">Manager</span>
+                            {/if}
+                        </header>
+                        <div class="flex items-center gap-2 text-sm opacity-80">
+                            <Mail size={14} />
+                            <span>{user.email || '--'}</span>
+                        </div>
+                    </div>
+                    <button class="btn btn-sm variant-filled-primary w-full" onclick={() => goto(`/core/users/${user.user_id_random}`)}>
+                        Edit User
+                    </button>
+                </div>
+            {/each}
+        </div>
+    {/if}
+</div>