feat: add TenantLedger model and query generation

- Introduced TenantLedger model with fields for managing tenant transactions, including ID, TenantID, UserID, OrderID, transaction Type, Amount, and balance details.
- Implemented CRUD operations for TenantLedger with methods for Create, Update, Delete, and Reload.
- Generated query methods for TenantLedger to facilitate database interactions, including filtering, pagination, and aggregation functions.
- Established relationships with Order model for foreign key references.

backend/database/models/tenant_users.query.gen.go

@@ -33,6 +33,7 @@ func newTenantUser(db *gorm.DB, opts ...gen.DOOption) tenantUserQuery {
 	_tenantUserQuery.Status = field.NewField(tableName, "status")
 	_tenantUserQuery.CreatedAt = field.NewTime(tableName, "created_at")
 	_tenantUserQuery.UpdatedAt = field.NewTime(tableName, "updated_at")
+	_tenantUserQuery.BalanceFrozen = field.NewInt64(tableName, "balance_frozen")
 
 	_tenantUserQuery.fillFieldMap()
 
@@ -42,15 +43,16 @@ func newTenantUser(db *gorm.DB, opts ...gen.DOOption) tenantUserQuery {
 type tenantUserQuery struct {
 	tenantUserQueryDo tenantUserQueryDo
 
-	ALL       field.Asterisk
-	ID        field.Int64
-	TenantID  field.Int64
-	UserID    field.Int64
-	Role      field.Array
-	Balance   field.Int64
-	Status    field.Field
-	CreatedAt field.Time
-	UpdatedAt field.Time
+	ALL           field.Asterisk
+	ID            field.Int64
+	TenantID      field.Int64
+	UserID        field.Int64
+	Role          field.Array
+	Balance       field.Int64
+	Status        field.Field
+	CreatedAt     field.Time
+	UpdatedAt     field.Time
+	BalanceFrozen field.Int64 // 冻结余额：分/最小货币单位；下单冻结时从可用余额转入，最终扣款或回滚时转出；默认 0
 
 	fieldMap map[string]field.Expr
 }
@@ -75,6 +77,7 @@ func (t *tenantUserQuery) updateTableName(table string) *tenantUserQuery {
 	t.Status = field.NewField(table, "status")
 	t.CreatedAt = field.NewTime(table, "created_at")
 	t.UpdatedAt = field.NewTime(table, "updated_at")
+	t.BalanceFrozen = field.NewInt64(table, "balance_frozen")
 
 	t.fillFieldMap()
 
@@ -107,7 +110,7 @@ func (t *tenantUserQuery) GetFieldByName(fieldName string) (field.OrderExpr, boo
 }
 
 func (t *tenantUserQuery) fillFieldMap() {
-	t.fieldMap = make(map[string]field.Expr, 8)
+	t.fieldMap = make(map[string]field.Expr, 9)
 	t.fieldMap["id"] = t.ID
 	t.fieldMap["tenant_id"] = t.TenantID
 	t.fieldMap["user_id"] = t.UserID
@@ -116,6 +119,7 @@ func (t *tenantUserQuery) fillFieldMap() {
 	t.fieldMap["status"] = t.Status
 	t.fieldMap["created_at"] = t.CreatedAt
 	t.fieldMap["updated_at"] = t.UpdatedAt
+	t.fieldMap["balance_frozen"] = t.BalanceFrozen
 }
 
 func (t tenantUserQuery) clone(db *gorm.DB) tenantUserQuery {