feat: Refactor service management scripts to use a unified dev script

- Added package.json to manage development scripts.
- Updated restart-services.ps1 to call the new dev script for starting services.
- Refactored start-admin.ps1, start-backend.ps1, start-frontend.ps1, and start-mcp.ps1 to utilize the dev script for starting respective services.
- Enhanced stop-services.ps1 to improve process termination logic by matching command patterns.

backend/src/fixtures/comments.yaml

@@ -1,48 +1,48 @@
 - id: 1
   pid: 1
-  author: "Alice"
-  email: "alice@example.com"
-  content: "Great introduction! Looking forward to more content."
+  author: "林川"
+  email: "linchuan@example.com"
+  content: "这篇做长文测试很合适，段落密度和古文节奏都不错。"
   approved: true
 
 - id: 2
   pid: 1
-  author: "Bob"
-  email: "bob@example.com"
-  content: "The terminal UI looks amazing. Love the design!"
+  author: "阿青"
+  email: "aqing@example.com"
+  content: "建议后面再加几篇山水游记，方便测试问答检索是否能区分不同山名。"
   approved: true
 
 - id: 3
   pid: 2
-  author: "Charlie"
-  email: "charlie@example.com"
-  content: "Thanks for the Rust tips! The ownership concept finally clicked for me."
+  author: "周宁"
+  email: "zhouling@example.com"
+  content: "这一段关于南岩和琼台的描写很好，适合测试段落评论锚点。"
   approved: true
 
 - id: 4
   pid: 3
-  author: "Diana"
-  email: "diana@example.com"
-  content: "Astro is indeed fast. I've been using it for my personal blog too."
+  author: "顾远"
+  email: "guyuan@example.com"
+  content: "悬空寺这一段信息量很大，拿来测试 AI 摘要应该很有代表性。"
   approved: true
 
 - id: 5
   pid: 4
-  author: "Eve"
-  email: "eve@example.com"
-  content: "The color palette you shared is perfect. Using it for my terminal theme now!"
+  author: "清嘉"
+  email: "qingjia@example.com"
+  content: "黄山记的序文很适合测试首屏摘要生成。"
   approved: true
 
 - id: 6
   pid: 5
-  author: "Frank"
-  email: "frank@example.com"
-  content: "Loco.rs looks promising. Might use it for my next project."
+  author: "石霁"
+  email: "shiji@example.com"
+  content: "想看看评测页和文章页共存时，搜索能不能把这类古文结果排在前面。"
   approved: false
 
 - id: 7
-  pid: 2
-  author: "Grace"
-  email: "grace@example.com"
-  content: "Would love to see more advanced Rust patterns in future posts."
+  pid: 3
+  author: "江禾"
+  email: "jianghe@example.com"
+  content: "如果后续要做段落评论，这篇恒山记很适合，因为章节分段比较清晰。"
   approved: true