fix(ui): voix Second Brain à la connexion et libellés du rail

Remplace le titre « notepad » et le jargon (Intelligence OS, SM-2) par des mots lisibles, et aligne la langue des pages d’auth sur le reste du site.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/locales/zh.json

@@ -31,14 +31,14 @@
     "confirmPasswordPlaceholder": "再次输入密码",
     "backToSite": "返回",
     "continueWithGoogle": "使用Google继续",
-    "createYourSpace": "创建你的空间",
-    "createYourSpaceSubtitle": "加入智能笔记的新时代。",
+    "createYourSpace": "创建你的第二大脑",
+    "createYourSpaceSubtitle": "你一边写，它一边建立联系——不是又一个笔记应用。",
     "forgot": "忘记？",
     "oauthAccountNotLinked": "此 Google 帐号与您现有的帐号不匹配。请使用相同的邮箱或用密码登录。",
     "privacyTerms": "© 2025 Memento Labs — 隐私 · 条款",
     "sessionExpired": "您的网站将包含导航和目录地生成",
     "welcomeBack": "欢迎回来",
-    "welcomeBackSubtitle": "输入你的凭据以访问笔记。",
+    "welcomeBackSubtitle": "登录以找回你的笔记、关联，以及你已经忘记的内容。",
     "checkEmailTitle": "请查收邮件",
     "checkEmailDescription": "我们已向 {email} 发送确认链接。请打开链接以激活账户后再登录。",
     "checkEmailDescriptionGeneric": "我们已向您的邮箱发送确认链接。请打开链接以激活账户后再登录。",
@@ -99,13 +99,13 @@
     "darkMode": "深色模式",
     "dashboardPanelBody": "您的会话已过期。请重新登录。",
     "documents": "文档",
-    "insightsPanelBody": "你笔记的语义地图：主题聚类、桥接笔记和连接建议。",
+    "insightsPanelBody": "笔记如何相连的地图：相近主题、桥接笔记，以及可以打开的链接。",
     "lightMode": "亮色模式",
     "notebookEmpty": "空",
     "recentNote": "最近创建",
     "resizeNotebooksPanel": "调整笔记本面板大小",
     "resizeSidebar": "调整侧边栏宽度",
-    "revisionPanelBody": "使用 SM-2 算法复习闪卡。牌组从你的笔记中生成。",
+    "revisionPanelBody": "用闪卡复习。间隔重复会在合适的时候把它们带回。牌组来自你的笔记。",
     "searchNotebooksPlaceholder": "搜索笔记本…",
     "searchShortcut": "搜索 (Ctrl+K)"
   },
@@ -991,7 +991,7 @@
     "dailyNotes": "每日笔记",
     "dashboard": "仪表盘",
     "graphView": "链接地图",
-    "insights": "语义主题",
+    "insights": "关联",
     "revision": "复习"
   },
   "settings": {
@@ -2453,7 +2453,7 @@
         "slideStyle": "视觉风格影响角半径、间距和信息密度。"
       }
     },
-    "intelligenceOS": "智能操作系统"
+    "intelligenceOS": "智能体"
   },
   "chat": {
     "title": "AI 聊天",