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/lib/components/admin/AdminTable.svelte

@@ -54,8 +54,6 @@
 			: filtered
 	);
 
-	let isDragging = $state(false);
-
 	let dragOverride = $state<Record<string, unknown>[] | null>(null);
 
 	let rows = $derived(dragOverride ?? sorted);
@@ -74,7 +72,6 @@
 
 	function handleDragStart(e: DragEvent, i: number) {
 		dragOverride = sorted;
-		isDragging = true;
 		dragIndex = i;
 		hoverIndex = i;
 		e.dataTransfer!.effectAllowed = 'move';
@@ -99,14 +96,12 @@
 		if (dragIndex === null) return;
 		const ids = rows.map((r) => r.id as string | number);
 		await onReorder?.(ids);
-		isDragging = false;
 		dragIndex = null;
 		hoverIndex = null;
 	}
 
 	function handleDragEnd() {
 		dragOverride = null;
-		isDragging = false;
 		dragIndex = null;
 		hoverIndex = null;
 	}
@@ -131,45 +126,32 @@
 	}
 </script>
 
-<div class="flex flex-col gap-4">
-	<div class="flex items-center justify-between gap-4">
+<div>
+	<div>
 		{#if searchFields.length > 0}
-			<input
-				type="text"
-				placeholder="Search {singular}s..."
-				bind:value={search}
-				class="max-w-xs border border-gray-300 px-3 py-1.5 text-sm dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
-			/>
+			<input type="text" placeholder="Search {singular}s..." bind:value={search} />
 		{:else}
 			<div></div>
 		{/if}
 		{#if onNew}
-			<button
-				type="button"
-				onclick={onNew}
-				class="border border-gray-300 px-3 py-1.5 text-sm font-medium dark:border-gray-600 dark:text-gray-300 dark:hover:bg-gray-800"
-			>
+			<button type="button" onclick={onNew}>
 				New {singular} +
 			</button>
 		{/if}
 	</div>
 
-	<div class="overflow-x-auto border border-gray-200 dark:border-gray-700">
-		<table class="w-full">
+	<div>
+		<table>
 			<thead>
-				<tr class="border-b border-gray-200 bg-gray-50 dark:border-gray-700 dark:bg-gray-800">
+				<tr>
 					{#if draggable}
-						<th scope="col" class="w-10 px-2 py-2"></th>
+						<th scope="col"></th>
 					{/if}
 					{#each listFields as field (field)}
-						<th
-							scope="col"
-							onclick={() => toggleSort(field)}
-							class="cursor-pointer px-4 py-2 text-left text-xs font-medium tracking-wider text-gray-500 uppercase hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200"
-						>
+						<th scope="col" onclick={() => toggleSort(field)}>
 							{fieldNameToLabel(field)}
 							{#if sortCol === field}
-								<span class="ml-1">{sortAsc ? '\u25B2' : '\u25BC'}</span>
+								<span>{sortAsc ? '\u25B2' : '\u25BC'}</span>
 							{/if}
 						</th>
 					{/each}
@@ -184,25 +166,15 @@
 						ondrop={handleDrop}
 						ondragend={handleDragEnd}
 						onclick={() => onRowClick?.(record)}
-						class="border-b border-gray-200 hover:bg-gray-100 dark:border-gray-700 dark:text-gray-100 dark:hover:bg-gray-800 {draggable &&
-						isDragging &&
-						dragIndex === i
-							? 'opacity-40'
-							: ''} {draggable && isDragging && hoverIndex === i
-							? 'border-t-2 border-t-blue-500'
-							: ''}"
 					>
 						{#if draggable}
-							<td
-								class="w-10 cursor-grab px-2 py-2 text-center"
-								onclick={(e) => e.stopPropagation()}
-							>
-								<span class="text-gray-400 select-none">⠿</span>
+							<td onclick={(e) => e.stopPropagation()}>
+								<span>⠿</span>
 							</td>
 						{/if}
 						{#each listFields as field (field)}
-							<td class="px-4 py-2 text-sm">
-								<span class="inline-flex items-center gap-1.5">
+							<td>
+								<span>
 									{formatCellValue(resolveFieldValue(record, field), field)}
 									{#if copyableFields.includes(field)}
 										<button
@@ -212,10 +184,8 @@
 												copyValue(resolveFieldValue(record, field));
 											}}
 											title="Copy to clipboard"
-											class="shrink-0 leading-none text-gray-400 hover:text-gray-600 dark:hover:text-gray-300"
 										>
 											<svg
-												class="size-3.5"
 												viewBox="0 0 16 16"
 												fill="none"
 												stroke="currentColor"
@@ -234,10 +204,7 @@
 					</tr>
 				{:else}
 					<tr>
-						<td
-							colspan={listFields.length + (draggable ? 1 : 0)}
-							class="px-4 py-8 text-center text-sm text-gray-500 dark:text-gray-400"
-						>
+						<td colspan={listFields.length + (draggable ? 1 : 0)}>
 							No {singular}s found.
 						</td>
 					</tr>