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_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)
+		}
+	}
+}