feat: complete SOP execution workflow

internal/scenario/handler.go

@@ -278,10 +278,16 @@ func validateFieldInput(input fieldInput) error {
 		if err := json.Unmarshal(input.Options, &options); err != nil || options == nil {
 			return errors.New("字段选项必须是文本数组")
 		}
+		seen := map[string]bool{}
 		for _, option := range options {
 			if strings.TrimSpace(option) == "" {
 				return errors.New("字段选项不能为空")
 			}
+			normalized := strings.TrimSpace(option)
+			if seen[normalized] {
+				return errors.New("字段选项不能重复")
+			}
+			seen[normalized] = true
 		}
 		if (input.FieldType == "select" || input.FieldType == "multiselect") && len(options) == 0 {
 			return errors.New("单选或多选字段至少需要一个选项")
@@ -290,14 +296,77 @@ func validateFieldInput(input fieldInput) error {
 		return errors.New("单选或多选字段至少需要一个选项")
 	}
 	if len(input.Validation) > 0 {
-		var validation map[string]interface{}
+		var validation map[string]json.RawMessage
 		if err := json.Unmarshal(input.Validation, &validation); err != nil || validation == nil {
 			return errors.New("字段校验规则必须是 JSON 对象")
 		}
+		if err := validateFieldRules(input.FieldType, validation); err != nil {
+			return err
+		}
 	}
 	return nil
 }
 
+func validateFieldRules(fieldType string, validation map[string]json.RawMessage) error {
+	allowed := map[string]bool{}
+	switch fieldType {
+	case "number":
+		allowed["min"], allowed["max"] = true, true
+	case "text", "textarea":
+		allowed["min_length"], allowed["max_length"] = true, true
+	}
+	for key := range validation {
+		if !allowed[key] {
+			return errors.New("当前字段类型不支持校验规则 " + key)
+		}
+	}
+	if fieldType == "number" {
+		min, hasMin, err := jsonNumber(validation["min"])
+		if err != nil {
+			return errors.New("最小值必须是数字")
+		}
+		max, hasMax, err := jsonNumber(validation["max"])
+		if err != nil {
+			return errors.New("最大值必须是数字")
+		}
+		if hasMin && hasMax && min > max {
+			return errors.New("最小值不能大于最大值")
+		}
+	}
+	if fieldType == "text" || fieldType == "textarea" {
+		min, hasMin, err := jsonInteger(validation["min_length"])
+		if err != nil || (hasMin && min < 0) {
+			return errors.New("最少字符必须是非负整数")
+		}
+		max, hasMax, err := jsonInteger(validation["max_length"])
+		if err != nil || (hasMax && max < 1) {
+			return errors.New("最多字符必须是正整数")
+		}
+		if hasMin && hasMax && min > max {
+			return errors.New("最少字符不能大于最多字符")
+		}
+	}
+	return nil
+}
+
+func jsonNumber(raw json.RawMessage) (float64, bool, error) {
+	if len(raw) == 0 {
+		return 0, false, nil
+	}
+	var value float64
+	err := json.Unmarshal(raw, &value)
+	return value, true, err
+}
+
+func jsonInteger(raw json.RawMessage) (int, bool, error) {
+	if len(raw) == 0 {
+		return 0, false, nil
+	}
+	var value int
+	err := json.Unmarshal(raw, &value)
+	return value, true, err
+}
+
 func idParam(c *gin.Context, key string) (uint64, bool) {
 	id, err := strconv.ParseUint(c.Param(key), 10, 64)
 	if err != nil || id == 0 {