Fix nav i18n keys for services, feedback and AI.

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

frontend/src/lib/i18n/dictionaries.ts

@@ -19,6 +19,9 @@ export const zh = {
     pricing: "💎 定价",
     notifications: "🔔 通知",
     ebook: "📖 电子书",
+    services: "🛎️ 服务",
+    feedback: "💬 反馈",
+    ai: "🤖 AI",
     visa: "📋 签证",
     blog: "📝 博客",
     blogShort: "博客",
@@ -677,6 +680,9 @@ export const en: { [K in keyof typeof zh]: typeof zh[K] extends string ? string
     pricing: "💎 Pricing",
     notifications: "🔔 Alerts",
     ebook: "📖 Ebook",
+    services: "🛎️ Services",
+    feedback: "💬 Feedback",
+    ai: "🤖 AI",
     visa: "📋 Visas",
     blog: "📝 Blog",
     blogShort: "Blog",