fix: get_user_quota 返回 was_paid 字段

src/db.rs

@@ -682,12 +682,12 @@ pub async fn refund_payment_order(
 pub async fn get_user_quota(
     pool: &PgPool,
     user_id: i32,
-) -> Result<(i64, bool, Option<chrono::DateTime<chrono::Utc>>), AppError> {
+) -> Result<(i64, bool, Option<chrono::DateTime<chrono::Utc>>, bool), AppError> {
     let user = get_user_by_id(pool, user_id).await?;
     let is_paid_active = user.is_paid
         && user.paid_expires_at.map_or(true, |expires| expires > chrono::Utc::now());
     let used = count_user_weather_data(pool, user_id).await?;
-    Ok((used, is_paid_active, user.paid_expires_at))
+    Ok((used, is_paid_active, user.paid_expires_at, user.is_paid))
 }
 
 // ===== 收藏功能 DB 函数 =====