feat(desktop): update quick action prompts for education/healthcare/design industries

Tailor first-conversation prompts to the three target user groups:
- Education: AI tool comparison, digital transformation research
- Healthcare: administrative optimization proposal
- Design/Shantou: toy industry export trend analysis

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

desktop/src/components/FirstConversationPrompt.tsx

@@ -32,13 +32,13 @@ const QUICK_ACTIONS = [
   { key: 'learn', label: '学习', icon: GraduationCap, color: 'text-indigo-500' },
 ];
 
-// Pre-filled prompts for each quick action
+// Pre-filled prompts for each quick action — tailored for target industries
 const QUICK_ACTION_PROMPTS: Record<string, string> = {
   surprise: '给我一个小惊喜吧！来点创意的',
-  write: '帮我写一篇文章，主题你来定',
-  research: '帮我做一个深度研究分析',
-  collect: '帮我收集整理一些有用的信息',
-  learn: '我想学点新东西，教我一些有趣的知识',
+  write: '帮我写一份关于"远程医疗行政管理优化方案"的提案大纲',
+  research: '帮我深度研究"2026年教育数字化转型趋势"，包括政策、技术和实践三个维度',
+  collect: '帮我采集 5 个主流 AI 教育工具的产品信息，对比功能和价格',
+  learn: '我想了解汕头玩具产业 2026 年出口趋势，能帮我分析一下吗？',
 };
 
 interface FirstConversationPromptProps {