新增评论回复功能

- 允许用户回复评论和子评论
- 点击回复按钮，弹出评论框，并显示回复的用户
- 评论
列表中显示回复的用户和内容
- 点击回复内容中的用户名，跳转到用户主页
- 优化评论列表加载逻辑，支持加载更多子评论

app/src/main/java/com/aiosman/riderpro/MainActivity.kt

@@ -38,6 +38,7 @@ class MainActivity : ComponentActivity() {
     // Firebase Analytics
     private lateinit var analytics: FirebaseAnalytics
     private val scope = CoroutineScope(Dispatchers.Main)
+
     // 请求通知权限
     private val requestPermissionLauncher = registerForActivityResult(
         ActivityResultContracts.RequestPermission(),
@@ -100,12 +101,7 @@ class MainActivity : ComponentActivity() {
                     val postId = intent.getStringExtra("POST_ID")
                     if (postId != null) {
                         Log.d("MainActivity", "Navigation to Post$postId")
-                        PostViewModel.postId = postId
-                        PostViewModel.viewModelScope.launch {
-                            PostViewModel.initData()
-                            navController.navigate(NavigationRoute.Post.route.replace("{id}", postId))
-                        }
-
+                        navController.navigate(NavigationRoute.Post.route.replace("{id}", postId))
                     }
                 }
             }