Refactor admin to shared generic CRUD; restructure proclamation categories/groups and APIs

- Replace per-model admin forms with the shared generic AdminTable/AdminModal CRUD
- Add ProclamationGroup model and admin + API v2 routes (replaces subscription levels)
- Drop subscription levels and flatten proclamation categories
- Update v2 serializers and seed data accordingly

src/routes/(protected)/admin/user-roles/+page.svelte

@@ -1,11 +1,10 @@
 <script lang="ts">
 	import type { PageProps } from './$types';
-	import type { ActionResult } from '$lib/svelte-admin/types';
+	import { enhance } from '$app/forms';
 	import AdminTable from '$lib/components/admin/AdminTable.svelte';
 	import AdminModal from '$lib/components/admin/AdminModal.svelte';
 	import Toast from '$lib/components/admin/Toast.svelte';
 	import { getModelConfig } from '$lib/svelte-admin/registry';
-	import UserRoleForm from './UserRoleForm.svelte';
 
 	let { data, form }: PageProps = $props();
 
@@ -15,16 +14,17 @@
 	let modalOpen = $state(false);
 	let editingRecord = $state<Record<string, unknown> | null>(null);
 	let toastMessage = $state('');
-	let toastType = $state<'success' | 'error'>('success');
 	let fieldErrors = $state<Record<string, string>>({});
 	let formError = $state('');
 
+	let name = $state('');
+	let dirty = $state(false);
+
 	$effect(() => {
 		if (form && 'success' in (form as any)) {
 			const result = form as any;
 			if (result.success) {
 				toastMessage = 'Saved successfully';
-				toastType = 'success';
 				closeModal();
 			} else {
 				formError = result.error ?? '';
@@ -33,6 +33,11 @@
 		}
 	});
 
+	$effect(() => {
+		name = String((editingRecord ?? {})['name'] ?? '');
+		dirty = false;
+	});
+
 	function openCreate() {
 		editingRecord = null;
 		formError = '';
@@ -53,10 +58,14 @@
 		formError = '';
 		fieldErrors = {};
 	}
+
+	function markDirty() {
+		if (editingRecord?.id) dirty = true;
+	}
 </script>
 
-<div class="p-6">
-	<h1 class="mb-4 text-xl font-bold text-gray-900 dark:text-gray-100">{config.displayName}</h1>
+<div>
+	<h1>{config.displayName}</h1>
 	<AdminTable
 		records={data.records}
 		listFields={config.listFields}
@@ -77,14 +86,33 @@
 	{canDelete}
 	recordId={editingRecord?.id as string | undefined}
 >
-	<UserRoleForm
-		record={editingRecord ?? {}}
-		{fieldErrors}
-		{formError}
-		submitLabel={editingRecord ? 'Update' : 'Create'}
-	/>
+	<form action="?/upsert" method="POST" use:enhance oninput={markDirty}>
+		{#if editingRecord?.id}
+			<input type="hidden" name="id" value={String(editingRecord.id)} />
+		{/if}
+
+		{#if formError}
+			<div>{formError}</div>
+		{/if}
+
+		<div>
+			<div>
+				<label for="field-name">Name</label>
+				<input type="text" id="field-name" name="name" bind:value={name} />
+				{#if fieldErrors.name}
+					<p>{fieldErrors.name}</p>
+				{/if}
+			</div>
+
+			<div>
+				<button type="submit" disabled={!!editingRecord?.id && !dirty}>
+					{editingRecord ? 'Update' : 'Create'}
+				</button>
+			</div>
+		</div>
+	</form>
 </AdminModal>
 
 {#if toastMessage}
-	<Toast message={toastMessage} type={toastType} />
+	<Toast message={toastMessage} />
 {/if}