feat: admin controls

server/api/admin/users/[id]/index.delete.ts

@@ -34,7 +34,14 @@ export default defineEventHandler(async (event) => {
         });
     }
 
-    await deleteAccount(id);
+    const deleted = await deleteAccount(id);
+    if (!deleted.ok) {
+        throw createError({
+            statusCode: 409,
+            statusMessage: "The last usable admin cannot be deleted",
+            data: { code: deleted.error },
+        });
+    }
 
     return { ok: true };
 });