style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/components/settings/ai/disable-coach-card.tsx

@@ -95,7 +95,9 @@ export function DisableCoachCard({
   // the activated-state view of it. The SSR default is ON (checked) so the
   // default-on contract holds before the wire value resolves.
   const mounted = useMounted();
-  const activated = mounted ? (optimistic ?? !(user?.disableCoach ?? false)) : true;
+  const activated = mounted
+    ? (optimistic ?? !(user?.disableCoach ?? false))
+    : true;
 
   const mutation = useMutation({
     // `next` is the desired ACTIVATED state; the column stores the inverse.

src/components/settings/ai/fallback-chain-card.tsx

@@ -250,11 +250,7 @@ export function FallbackChainCard({
         </Button>
         <AlertDialog>
           <AlertDialogTrigger asChild>
-            <Button
-              size="sm"
-              variant="outline"
-              className="min-h-11 sm:min-h-9"
-            >
+            <Button size="sm" variant="outline" className="min-h-11 sm:min-h-9">
               <RotateCcw className="h-4 w-4" />
               {t("settings.ai.providerChain.resetDefaults")}
             </Button>