fix: 完成商务迁移复核与接口优化并清理历史资料

internal/biz/task/execution.go

@@ -0,0 +1,59 @@
+package task
+
+import (
+	"bytes"
+	"encoding/json"
+	"time"
+
+	"github.com/go-kratos/kratos/v3/errors"
+)
+
+var ErrTaskExecutionOptions = errors.BadRequest("TASK_EXECUTION_OPTIONS_INVALID", "执行参数不正确：超时须为 1–86400 秒，重试次数为 0–10，重试间隔为 0–3600 秒")
+
+type ExecutionOptions struct {
+	Timeout       time.Duration
+	MaxRetryTimes int
+	RetryInterval time.Duration
+}
+
+// MethodExecutionOptions 承接迁移 SQL 保留的 _execution 元数据；普通方法维持原默认行为。
+func MethodExecutionOptions(params []byte) (ExecutionOptions, error) {
+	options := ExecutionOptions{Timeout: 5 * time.Minute, RetryInterval: time.Second}
+	params = bytes.TrimSpace(params)
+	if len(params) == 0 || params[0] != '{' {
+		return options, nil
+	}
+	var envelope struct {
+		Execution *struct {
+			TimeoutSeconds       *int64 `json:"timeoutSeconds"`
+			MaxRetryTimes        *int   `json:"maxRetryTimes"`
+			RetryIntervalSeconds *int64 `json:"retryIntervalSeconds"`
+		} `json:"_execution"`
+	}
+	if err := json.Unmarshal(params, &envelope); err != nil {
+		return options, ErrTaskExecutionOptions
+	}
+	if envelope.Execution == nil {
+		return options, nil
+	}
+	value := envelope.Execution
+	if value.TimeoutSeconds != nil {
+		if *value.TimeoutSeconds < 1 || *value.TimeoutSeconds > 86400 {
+			return options, ErrTaskExecutionOptions
+		}
+		options.Timeout = time.Duration(*value.TimeoutSeconds) * time.Second
+	}
+	if value.MaxRetryTimes != nil {
+		if *value.MaxRetryTimes < 0 || *value.MaxRetryTimes > 10 {
+			return options, ErrTaskExecutionOptions
+		}
+		options.MaxRetryTimes = *value.MaxRetryTimes
+	}
+	if value.RetryIntervalSeconds != nil {
+		if *value.RetryIntervalSeconds < 0 || *value.RetryIntervalSeconds > 3600 {
+			return options, ErrTaskExecutionOptions
+		}
+		options.RetryInterval = time.Duration(*value.RetryIntervalSeconds) * time.Second
+	}
+	return options, nil
+}

internal/biz/task/execution_test.go

@@ -0,0 +1,24 @@
+package task
+
+import (
+	"testing"
+	"time"
+)
+
+func TestMethodExecutionOptionsPreservesImportedPolicy(t *testing.T) {
+	options, err := MethodExecutionOptions([]byte(`{"startDate":"2026-11-03","_execution":{"timeoutSeconds":1600,"maxRetryTimes":3,"retryIntervalSeconds":1}}`))
+	if err != nil || options.Timeout != 1600*time.Second || options.MaxRetryTimes != 3 || options.RetryInterval != time.Second {
+		t.Fatalf("迁移任务策略丢失: %+v %v", options, err)
+	}
+	for _, params := range []string{"", `{}`, `[]`, `"value"`} {
+		options, err := MethodExecutionOptions([]byte(params))
+		if err != nil || options.Timeout != 5*time.Minute || options.MaxRetryTimes != 0 {
+			t.Fatalf("普通方法默认行为变化: %q %+v %v", params, options, err)
+		}
+	}
+	for _, params := range []string{`{"_execution":{"timeoutSeconds":0}}`, `{"_execution":{"timeoutSeconds":86401}}`, `{"_execution":{"maxRetryTimes":11}}`, `{"_execution":{"retryIntervalSeconds":-1}}`, `{"_execution":"invalid"}`} {
+		if _, err := MethodExecutionOptions([]byte(params)); err == nil {
+			t.Fatalf("无效执行参数未拒绝: %s", params)
+		}
+	}
+}

internal/biz/task/task.go

@@ -108,6 +108,9 @@ func (uc *TaskUsecase) Validate(value *TimedTask) error {
 		if len(value.Params) > 0 && !json.Valid(value.Params) {
 			return errors.New("params 必须是合法 JSON")
 		}
+		if _, err := MethodExecutionOptions(value.Params); err != nil {
+			return err
+		}
 	case TaskExecutorHTTP:
 		parsed, parseErr := url.Parse(value.HTTPURL)
 		if parseErr != nil || (parsed.Scheme != "http" && parsed.Scheme != "https") || parsed.Host == "" {