refactor(api): reorder imports and update code formatting across repository endpoints

- Reordered actix-web imports to standardize import order
- Reordered crate module imports to follow alphabetical ordering
- Updated function calls to use multi-line formatting for better readability
- Standardized blank lines around documentation comments
- Applied consistent formatting to response handling methods
- Normalized import organization across all repository-related API files
- Improved code consistency and maintainability through standardized formatting
- Applied formatting updates to all repository endpoint implementations

models/users/user_notify_setting.rs

@@ -3,7 +3,7 @@ use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, sqlx::FromRow)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, sqlx::FromRow, utoipa::ToSchema)]
 pub struct UserNotifySetting {
     pub user_id: Uuid,
     pub email_notifications: bool,