feat(ai): 完成 DeepSeek 大模型官方 API 接入、双模调用、高可用平滑降级与管理后台连通性测试

backend/src/modules/base/entity/base.ts

@@ -1,4 +1,4 @@
-import { Index, PrimaryGeneratedColumn, Column } from 'typeorm';
+import { Index, PrimaryGeneratedColumn, Column, DeleteDateColumn } from 'typeorm';
 import * as moment from 'moment';
 import { CoolBaseEntity } from '@cool-midway/core';
 
@@ -45,6 +45,7 @@ export abstract class BaseEntity extends CoolBaseEntity {
 
   @Index()
   @Column({
+    name: 'create_time',
     comment: '创建时间',
     type: 'varchar',
     transformer: transformerTime,
@@ -53,6 +54,7 @@ export abstract class BaseEntity extends CoolBaseEntity {
 
   @Index()
   @Column({
+    name: 'update_time',
     comment: '更新时间',
     type: 'varchar',
     transformer: transformerTime,
@@ -60,6 +62,18 @@ export abstract class BaseEntity extends CoolBaseEntity {
   updateTime: Date;
 
   @Index()
-  @Column({ comment: '租户ID', nullable: true })
+  @Column({
+    name: 'tenant_id',
+    comment: '租户ID',
+    nullable: true,
+  })
   tenantId: number;
+
+  @Index()
+  @DeleteDateColumn({
+    name: 'deleted_at',
+    comment: '软删除时间',
+    nullable: true,
+  })
+  deletedAt?: Date | null;
 }