优化结构

internal/data/config_store.go

@@ -122,6 +122,8 @@ func (d *Data) removeIntegrationConfigFromFile() error {
 }
 
 func (d *Data) reloadConfig(ctx context.Context) error {
+	// Explicit reload is the lifecycle boundary that rebuilds database, cache,
+	// Mongo, storage, and integration clients after a file snapshot change.
 	d.configMu.Lock()
 	defer d.configMu.Unlock()
 	configPath := d.runtime.ConfigPath()

internal/data/payment/payment.go

@@ -411,7 +411,7 @@ func paymentCreateRequiresNotifyURL(provider string, extra, config map[string]an
 	if value == "" {
 		value = paymentkit.FirstText(config, keys...)
 	}
-	normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
+	normalized := paymentkit.NormalizePaymentMethod(value)
 	switch provider {
 	case bizpayment.PaymentAlipay, bizpayment.PaymentAlipayV3:
 		return !paymentkit.ContainsFold([]string{"pay", "trade_pay", "alipay_trade_pay", "barcode", "barcode_pay", "micropay", "face_to_face"}, normalized)

internal/data/system/parameter_test.go

@@ -66,3 +66,27 @@ func TestParameterRepositoryKeepsReferenceEmptyQuerySemantics(t *testing.T) {
 		t.Fatalf("empty bulk delete removed rows: count=%d", count)
 	}
 }
+
+func TestParameterUpdateDoesNotReviveSoftDeletedRow(t *testing.T) {
+	data := newTransactionTestData(t)
+	repo := &parameterRepo{data: data}
+	ctx := context.Background()
+	item := &system.SystemParameter{Name: "before-delete", Key: "soft-delete-key", Value: "value"}
+	if err := repo.CreateParameter(ctx, item); err != nil {
+		t.Fatal(err)
+	}
+	if err := data.gormDB.WithContext(ctx).Delete(&parameterPO{}, item.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	item.Name = "must-not-revive"
+	if err := repo.UpdateParameter(ctx, item); err != nil {
+		t.Fatal(err)
+	}
+	var persisted parameterPO
+	if err := data.gormDB.WithContext(ctx).Unscoped().First(&persisted, item.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	if persisted.Name != "before-delete" || persisted.DeletedAt.Time.IsZero() {
+		t.Fatalf("soft-deleted row changed or revived: %+v", persisted)
+	}
+}