feat: paginate and merge frequent activities (#274)

* feat: paginate and merge frequent activities

* feat: due date activities

* fix: requested changes fixes

* refactor: slight reshuffle and improve types

* chore: translations

---------

Co-authored-by: Henry <henry_ball@hotmail.co.uk>

apps/web/src/utils/cardInvalidation.ts

@@ -0,0 +1,16 @@
+import type { api } from "~/utils/api";
+
+/**
+ * Invalidates all card-related queries for a given card.
+ * Use this after any mutation that affects card data or activities.
+ */
+export async function invalidateCard(
+  utils: ReturnType<typeof api.useUtils>,
+  cardPublicId: string,
+) {
+  await Promise.all([
+    utils.card.byId.invalidate({ cardPublicId }),
+    utils.card.getActivities.invalidate({ cardPublicId }),
+  ]);
+}
+