feat(invitations): completed admin UI, with minor changes to backend

server/tasks/cleanup/invitations.ts

@@ -0,0 +1,20 @@
+import prisma from "~/server/internal/db/database";
+
+export default defineTask({
+  meta: {
+    name: "cleanup:invitations",
+  },
+  async run({}) {
+    const now = new Date();
+
+    await prisma.invitation.deleteMany({
+      where: {
+        expires: {
+          lt: now,
+        },
+      },
+    });
+
+    return { result: true };
+  },
+});