refactor: rename AI summary page and update navigation path

- Changed the path of the AI summary page from "pages/ai-summary/index" to "pages/ai_summary/index"
- Updated the navigation in the profile page to reflect the new path for the AI summary page

pages.json

@@ -25,7 +25,7 @@
 			}
 		},
 		{
-			"path": "pages/ai-summary/index",
+			"path": "pages/ai_summary/index",
 			"style": {
 				"navigationBarTitleText": "AI 总结"
 			}

pages/profile/index.vue

@@ -157,7 +157,7 @@ function goAISuggest() {
 }
 
 function goAISummary() {
-	uni.navigateTo({ url: '/pages/ai-summary/index' })
+	uni.navigateTo({ url: '/pages/ai_summary/index' })
 }
 
 function goOnboarding() {