refactor(billing): 优化条件判断逻辑并移除未使用的常量

common/util/billing.go

@@ -255,27 +255,25 @@ func extractValue(source map[string]any, path string) any {
 		return sum
 	}
 
-	// 条件判断：content.#.type==xxx
-	if strings.Count(path, ".#.") == 1 && strings.Contains(path, "==") {
-		parts := strings.Split(path, "==")
-		basePath := parts[0]
-		typ := parts[1]
-		arr := gjson.New(source).Get(strings.Split(basePath, ".#.")[0]).Array()
-		for _, item := range arr {
-			field := strings.Split(basePath, ".#.")[1]
-			if gconv.String(gjson.New(item).Get(field).Val()) == typ {
-				return true
-			}
-		}
-		return false
-	}
-
-	// 条件判断：rounds.#.content.#.type==xxx（嵌套数组）
+	// 条件判断：xxx.#.type==yyy 或 rounds.#.content.#.type==yyy
 	if strings.Contains(path, "==video_url") || strings.Contains(path, "==input_audio") {
 		parts := strings.Split(path, "==")
 		basePath := parts[0]
 		typ := parts[1]
 		segments := strings.Split(basePath, ".#.")
+
+		// 单层：content.#.type → segments = ["content", "type"]
+		if len(segments) == 2 && !strings.Contains(segments[0], ".") {
+			arr := gjson.New(source).Get(segments[0]).Array()
+			for _, item := range arr {
+				if gconv.String(gjson.New(item).Get(segments[1]).Val()) == typ {
+					return true
+				}
+			}
+			return false
+		}
+
+		// 嵌套：rounds.#.content.#.type → segments = ["rounds", "content", "type"]
 		topArr := gjson.New(source).Get(segments[0]).Array()
 		for _, item := range topArr {
 			subArr := gjson.New(item).Get(segments[1]).Array()

consts/public/table_name.go

@@ -5,9 +5,8 @@ const (
 )
 
 const (
-	TableNameModel       = "model_gateway_models"    // 模型表
-	TableNameTask        = "model_gateway_task"      // 任务表
-	TableNameUserBilling = "model_user_billing"      // 用户账单表
-	TableNameOpLog       = "model_gateway_logs_op"   // 操作日志表
-	TableNameStat        = "model_gateway_logs_stat" // 按天统计表
+	TableNameModel = "model_gateway_models"    // 模型表
+	TableNameTask  = "model_gateway_task"      // 任务表
+	TableNameOpLog = "model_gateway_logs_op"   // 操作日志表
+	TableNameStat  = "model_gateway_logs_stat" // 按天统计表
 )