refactor: 前端时间类型 string → number（对齐 Unix 毫秒契约）

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/api/audit-log.ts

@@ -14,7 +14,7 @@ export interface AuditLog {
   ip: string | null
   userAgent: string | null
   durationMs: number | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface AuditLogQuery {

src/api/config.ts

@@ -6,8 +6,8 @@ export interface Config {
   key: string
   value: string | null
   remark: string | null
-  createdAt: string
-  updatedAt: string
+  createdAt: number
+  updatedAt: number
 }
 
 export interface ConfigListQuery {

src/api/dict.ts

@@ -8,7 +8,7 @@ export interface DictType {
   status: 'enabled' | 'disabled'
   builtIn: boolean
   remark: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface DictItem {
@@ -21,7 +21,7 @@ export interface DictItem {
   status: 'enabled' | 'disabled'
   builtIn: boolean
   colorType: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface PageResult<T> {

src/api/login-log.ts

@@ -9,7 +9,7 @@ export interface LoginLog {
   userAgent: string | null
   status: string
   message: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface LoginLogQuery {

src/api/org.ts

@@ -9,7 +9,7 @@ export interface Org {
   leader: string | null
   sort: number
   status: 'enabled' | 'disabled'
-  createdAt: string
+  createdAt: number
 }
 
 /** 组织列表（后端按 sort 升序返回普通数组，前端自行组树）。 */

src/api/resource.ts

@@ -16,7 +16,7 @@ export interface Resource {
   icon: string | null
   sort: number
   status: 'enabled' | 'disabled'
-  createdAt: string
+  createdAt: number
 }
 
 export interface ResourceUpsertData {

src/api/role.ts

@@ -10,7 +10,7 @@ export interface Role {
   dataScope: DataScope
   status: 'enabled' | 'disabled'
   remark: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface RoleListQuery {

src/api/tenant.ts

@@ -6,7 +6,7 @@ export interface Tenant {
   name: string
   status: 'enabled' | 'disabled'
   remark: string | null
-  createdAt: string
+  createdAt: number
 }
 
 export interface TenantListQuery {

src/api/user.ts

@@ -12,8 +12,8 @@ export interface User {
   avatar: string | null
   status: UserStatus
   orgCode: string | null
-  createdAt: string
-  updatedAt: string
+  createdAt: number
+  updatedAt: number
 }
 
 export interface UserListQuery {