fix: 修复检测更新 API 使用正确的字段名

- 将 status 字段改为 publish_status
- 将 active 值改为 published
- 确保能正确查询已发布的版本

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/internal/router/app/info.go

@@ -62,9 +62,9 @@ func handleAppCheckUpdate(c *gin.Context) {
 		return
 	}
 
-	// 查询该应用的所有版本，按ID降序（创建顺序）
+	// 查询该应用的所有已发布版本，按ID降序（创建顺序）
 	var allVersions []model.Version
-	if err := database.DB.Where("application_id = ? AND status = ?", app.ID, "active").
+	if err := database.DB.Where("application_id = ? AND publish_status = ?", app.ID, "published").
 		Order("id DESC").
 		Preload("Files").
 		Find(&allVersions).Error; err != nil {
@@ -252,8 +252,8 @@ func handleAppCheckUpdate(c *gin.Context) {
 	// 检查是否有适合客户端版本的增量更新
 	// 查找以客户端版本为基础版本的 patch 更新
 	var patchVersion model.Version
-	err := database.DB.Where("application_id = ? AND update_type = ? AND base_version_id = ? AND status = ?",
+	err := database.DB.Where("application_id = ? AND update_type = ? AND base_version_id = ? AND publish_status = ?",
-		app.ID, "patch", clientVersionRecord.ID, "active").
+		app.ID, "patch", clientVersionRecord.ID, "published").
 		Order("id DESC").
 		Preload("Files").
 		First(&patchVersion).Error