fix(notifications): a notice keeps what to say and says it in the reader's language when shown

frontend/src/modules/home/Home.tsx

@@ -81,6 +81,7 @@ import RemoteImage from "../../components/ui/RemoteImage";
 import { useOpenLinkedPlayer } from "../../features/player/useOpenLinkedPlayer";
 import { budgetFrom, budgetParams, DEFAULT_BUDGET } from "../../lib/homeUrlState";
 import { useUrlMirror } from "../../lib/useUrlMirror";
+import { msg } from "../../lib/notifications";
 
 // The Home surface — "Mit nézzek most?".
 //
@@ -868,10 +869,10 @@ export default function Home() {
         // click raises a bare fetch TypeError, so there is no server reason to prefer over it. It
         // would describe a state the user can see is untrue, over a fully populated page whose
         // invalidations never even ran (they sit inside `.then`).
-        .catch((e: unknown) => notifyActionError(e, t("home.actionFailed")));
+        .catch((e: unknown) => notifyActionError(e, msg("home.actionFailed")));
       return write;
     },
-    [qc, t],
+    [qc],
   );
 
   const onToggleSave = useCallback(
@@ -887,9 +888,9 @@ export default function Home() {
           qc.invalidateQueries({ queryKey: qk.discover() });
         })
         // The write key, for the same reason as `onState` above.
-        .catch((e: unknown) => notifyActionError(e, t("home.actionFailed")));
+        .catch((e: unknown) => notifyActionError(e, msg("home.actionFailed")));
     },
-    [qc, t],
+    [qc],
   );
 
   // One click plays. A shelf tile resolves through its `next` (a show → the episode that would
@@ -940,11 +941,11 @@ export default function Home() {
   // re-asks the server rather than trying to predict a cross-rail consequence.
   const onToggleWatched = useCallback(
     (card: PlexCard) =>
-      void toggleWatchState(card, t, {
+      void toggleWatchState(card, {
         optimistic: () => {},
         resync: () => qc.invalidateQueries({ queryKey: qk.discover() }),
       }),
-    [qc, t],
+    [qc],
   );
 
   // Shelf reorder, from the comfort rail's menu. Optimistic on THIS budget's cached payload so the
@@ -986,7 +987,7 @@ export default function Home() {
         .reorderComfortPins(ids)
         .catch((e: unknown) => {
           qc.setQueryData<DiscoverPayload>(key, (old) => (old ? { ...old, comfort: cards } : old));
-          notifyActionError(e, t("home.shelf.moveFailed"));
+          notifyActionError(e, msg("home.shelf.moveFailed"));
         })
         .finally(() => {
           shelfSavingRef.current = false;
@@ -1000,7 +1001,7 @@ export default function Home() {
           void qc.invalidateQueries({ queryKey: qk.discover() });
         });
     },
-    [budget, lang, qc, t],
+    [budget, lang, qc],
   );
 
   const reroll = useCallback(