feat(distribution): 移除生产环境资金冻结，测试与生产口径统一

liveMoneyMovementEnabled 按 APP_ENV 在生产冻结结算入账、站点提现与自动释放，
与测试环境行为不一致，且该开关在 APP_ENV 缺失时为 fail-open。本次整体移除：

- 删除 liveMoneyMovementEnabled 与 ErrLiveMoneyMovementFrozen
- MarkSettlementBatch / ApplySiteWithdrawal / AutoReleaseDueSettlements 去掉守卫
- handler 去掉 403 settlement_frozen 映射
- 测试改为断言生产环境结算入账与提现正常执行

backend/internal/modules/distribution/handler.go

@@ -787,8 +787,6 @@ func writeError(c *gin.Context, err error) {
 		response.BadRequest(c, "请选择要加价的商品")
 	case errors.Is(err, ErrInvalidListingStatus):
 		response.BadRequest(c, "商品展示状态不正确")
-	case errors.Is(err, ErrLiveMoneyMovementFrozen):
-		response.Error(c, http.StatusForbidden, "settlement_frozen", "分销结算与提现已冻结，待分成口径确认后再开放")
 	case errors.Is(err, ErrSiteAccessDenied):
 		response.Error(c, http.StatusForbidden, "forbidden", "无权访问该分销站点")
 	case errors.Is(err, ErrDependencyUnavailable):

backend/internal/modules/distribution/release.go

@@ -29,9 +29,6 @@ func (r *Repository) AutoReleaseDueSettlements(ctx context.Context) (int, error)
 	if r == nil || r.db == nil {
 		return 0, ErrDependencyUnavailable
 	}
-	if !liveMoneyMovementEnabled() {
-		return 0, ErrLiveMoneyMovementFrozen
-	}
 	now := time.Now()
 	var orderIDs []uint64
 	if err := r.db.WithContext(ctx).

backend/internal/modules/distribution/repository.go

@@ -7,7 +7,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"os"
 	"strings"
 	"time"
 
@@ -41,7 +40,6 @@ var (
 	ErrAdminDisabled             = errors.New("admin disabled")
 	ErrDuplicateSiteCodeOrDomain = errors.New("distribution site code or domain already exists")
 	ErrDuplicateUsername         = errors.New("username already exists")
-	ErrLiveMoneyMovementFrozen   = errors.New("distribution settlement and withdrawal frozen until split rules are verified")
 	ErrTooManySyncListings       = errors.New("too many listings to sync")
 	ErrSyncListingNotFound       = errors.New("sync listing not found")
 	ErrEmptyListingIDs           = errors.New("listing ids required")
@@ -54,11 +52,6 @@ var settlementReadyOrderStatuses = []string{"completed", "closed"}
 
 const maxSyncListingIDs = 200
 
-func liveMoneyMovementEnabled() bool {
-	env := strings.ToLower(strings.TrimSpace(os.Getenv("APP_ENV")))
-	return env != "production" && env != "prod"
-}
-
 // normalizeSettlementHoldDays 校验站点结算冷却天数，允许 0（订单完成即释放）到 365 天。
 func normalizeSettlementHoldDays(days int) (int, error) {
 	if days < 0 || days > 365 {
@@ -1021,9 +1014,6 @@ func (r *Repository) CreateSettlementBatch(ctx context.Context, adminID uint64,
 }
 
 func (r *Repository) MarkSettlementBatch(ctx context.Context, adminID, id uint64) (*SettlementBatchDTO, error) {
-	if !liveMoneyMovementEnabled() {
-		return nil, ErrLiveMoneyMovementFrozen
-	}
 	var row model.DistributionSettlementBatch
 	err := r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
 		if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&row, id).Error; err != nil {
@@ -2056,9 +2046,6 @@ func (r *Repository) GetSiteWallet(ctx context.Context, adminID, siteID uint64)
 }
 
 func (r *Repository) ApplySiteWithdrawal(ctx context.Context, adminID, siteID uint64, req ApplySiteWithdrawalRequest) (*SiteWithdrawalDTO, error) {
-	if !liveMoneyMovementEnabled() {
-		return nil, ErrLiveMoneyMovementFrozen
-	}
 	if siteID == 0 {
 		return nil, ErrSiteNotFound
 	}

backend/internal/modules/distribution/repository_test.go

@@ -1038,16 +1038,16 @@ func TestSettlementBatchSplitsThreePartyBySite(t *testing.T) {
 	}
 }
 
-func TestLiveMoneyMovementFrozenInProduction(t *testing.T) {
+func TestMoneyMovementNotFrozenInProduction(t *testing.T) {
 	t.Setenv("APP_ENV", "production")
 	db := distributionTestDB(t)
 	repo := NewRepository(db)
-	site := model.DistributionSite{SiteCode: "frozen", SiteName: "冻结站", Domain: "frozen.example.com", Status: "active"}
+	site := model.DistributionSite{SiteCode: "prod", SiteName: "生产口径站", Domain: "prod.example.com", Status: "active"}
 	if err := db.Create(&site).Error; err != nil {
 		t.Fatal(err)
 	}
 	batch := model.DistributionSettlementBatch{
-		SiteID: site.ID, BatchNo: "B-FROZEN", PeriodStart: time.Now().Add(-time.Hour), PeriodEnd: time.Now(),
+		SiteID: site.ID, BatchNo: "B-PROD", PeriodStart: time.Now().Add(-time.Hour), PeriodEnd: time.Now(),
 		TotalAmountCent: 100, Status: "draft",
 	}
 	if err := db.Create(&batch).Error; err != nil {
@@ -1055,7 +1055,7 @@ func TestLiveMoneyMovementFrozenInProduction(t *testing.T) {
 	}
 	// 结算明细的 order_id / party_id 都带外键，必须先落库对应的订单与参与方。
 	order := model.RentalOrder{
-		OrderNo: "ORD-FROZEN", ListingID: 1, AccountID: 1, OwnerID: 1, RenterID: 1,
+		OrderNo: "ORD-PROD", ListingID: 1, AccountID: 1, OwnerID: 1, RenterID: 1,
 		Status: "completed", SettlementMode: "platform_managed",
 	}
 	if err := db.Create(&order).Error; err != nil {
@@ -1073,13 +1073,22 @@ func TestLiveMoneyMovementFrozenInProduction(t *testing.T) {
 	}).Error; err != nil {
 		t.Fatal(err)
 	}
-	if _, err := repo.MarkSettlementBatch(t.Context(), 0, batch.ID); err != ErrLiveMoneyMovementFrozen {
-		t.Fatalf("settle err = %v", err)
+	// 生产与测试口径一致：结算入账与站点提现不再按 APP_ENV 冻结。
+	settled, err := repo.MarkSettlementBatch(t.Context(), 0, batch.ID)
+	if err != nil {
+		t.Fatalf("生产环境结算入账不应被冻结: %v", err)
 	}
-	if _, err := repo.ApplySiteWithdrawal(t.Context(), 0, site.ID, ApplySiteWithdrawalRequest{
+	if settled.Status != "settled" {
+		t.Fatalf("batch status = %s, want settled", settled.Status)
+	}
+	wd, err := repo.ApplySiteWithdrawal(t.Context(), 0, site.ID, ApplySiteWithdrawalRequest{
 		SiteID: site.ID, AmountCent: 1, AccountType: "alipay", AccountName: "x", AccountNo: "1",
-	}); err != ErrLiveMoneyMovementFrozen {
-		t.Fatalf("withdraw err = %v", err)
+	})
+	if err != nil {
+		t.Fatalf("生产环境站点提现不应被冻结: %v", err)
+	}
+	if wd.AmountCent != 1 || wd.Status != "pending" {
+		t.Fatalf("unexpected withdrawal: %+v", wd)
 	}
 }