docs: simplify June 8 changelog titles

Co-authored-by: multica-agent <github@multica.ai>

apps/web/features/landing/i18n/en.ts

@@ -295,7 +295,7 @@ export function createEnDict(allowSignup: boolean): LandingDict {
       {
         version: "0.3.18",
         date: "2026-06-08",
-        title: "Web Notifications, Agent Notes, and Clearer CLI Errors",
+        title: "Web Notifications and /note Command",
         changes: [],
         features: [
           "The web app can now show native browser notification banners, making workspace activity easier to catch while Multica is in the background",

apps/web/features/landing/i18n/ja.ts

@@ -271,7 +271,7 @@ export function createJaDict(allowSignup: boolean): LandingDict {
         {
           version: "0.3.18",
           date: "2026-06-08",
-          title: "Web 通知、エージェント用メモ、わかりやすい CLI エラー",
+          title: "Web 版通知と /note コマンド",
           changes: [],
           features: [
             "Web アプリでブラウザー標準の通知バナーを表示できるようになり、Multica がバックグラウンドでもワークスペースの動きに気づきやすくなりました。",

apps/web/features/landing/i18n/ko.ts

@@ -270,7 +270,7 @@ export function createKoDict(allowSignup: boolean): LandingDict {
         {
           version: "0.3.18",
           date: "2026-06-08",
-          title: "웹 알림, 에이전트 메모, 더 쉬운 CLI 오류 안내",
+          title: "웹 알림과 /note 명령",
           changes: [],
           features: [
             "웹 앱에서 브라우저 기본 알림 배너를 표시할 수 있어 Multica가 백그라운드에 있어도 워크스페이스 활동을 더 쉽게 확인할 수 있습니다.",

apps/web/features/landing/i18n/zh.ts

@@ -295,7 +295,7 @@ export function createZhDict(allowSignup: boolean): LandingDict {
       {
         version: "0.3.18",
         date: "2026-06-08",
-        title: "网页通知、智能体备注和更清晰的命令行错误提示",
+        title: "网页版消息通知和 /note 指令",
         changes: [],
         features: [
           "网页端现在可以显示浏览器原生通知横幅，即使 Multica 在后台，也更容易及时看到工作区动态",