refactor(web): reduce magic in identifying apollo cache item

web/composables/gql/typename.ts

@@ -2,4 +2,5 @@
  * The magic 'Notification' prefix comes from inspecting the apollo cache.
  * I think it comes from the __typename when apollo caches an object (by default)
  */
-export const NOTIFICATION_CACHE_PREFIX = "Notification";
+export const NotificationType = "Notification";
+

web/helpers/apollo-cache/index.ts

@@ -1,6 +1,6 @@
 import { InMemoryCache, type InMemoryCacheConfig } from "@apollo/client/core";
 import { mergeAndDedup } from "./merge";
-import { NOTIFICATION_CACHE_PREFIX } from "./prefixes";
+import { NotificationType } from "../../composables/gql/typename";
 
 /**------------------------------------------------------------------------
  * !                    Understanding Cache Type Policies
@@ -90,7 +90,11 @@ const defaultCacheConfig: InMemoryCacheConfig = {
            */
           merge(_, incoming, { cache, args }) {
             if (args?.id) {
-              cache.evict({ id: `${NOTIFICATION_CACHE_PREFIX}:${args.id}` });
+              const id = cache.identify({
+                id: args.id,
+                __typename: NotificationType,
+              });
+              cache.evict({ id });
             }
             // Removes references to evicted notification, preventing dangling references
             cache.gc();