refactor: 完成项目整体目录重构与路径别名配置

1.  重构项目文件结构，统一文件存放位置与命名规则
2.  配置tsconfig路径别名，替换原有相对路径导入
3.  迁移drama-status枚举到dramas.types统一管理
4.  新增全局配置文件与工具类，补充完整注释与文档
5.  修复所有导入路径与依赖引用问题

src/admin/admin.dto.ts

@@ -1,13 +1,123 @@
-import { ApiProperty } from '@nestjs/swagger';
-import { IsString, MinLength } from 'class-validator';
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { IsArray, IsEmail, IsIn, IsInt, IsOptional, IsString, Min, MinLength } from "class-validator";
 
 export class AdminLoginDto {
-  @ApiProperty()
-  @IsString()
-  username: string;
+    @ApiProperty()
+    @IsString()
+    username: string;
 
-  @ApiProperty()
-  @IsString()
-  @MinLength(6)
-  password: string;
+    @ApiProperty()
+    @IsString()
+    @MinLength(6)
+    password: string;
+}
+
+export class ChangeAdminPasswordDto {
+    @ApiProperty()
+    @IsString()
+    oldPassword: string;
+
+    @ApiProperty()
+    @IsString()
+    @MinLength(6)
+    newPassword: string;
+}
+
+export class CreateAdminUserDto {
+    @ApiProperty()
+    @IsString()
+    username: string;
+
+    @ApiProperty()
+    @IsString()
+    @MinLength(6)
+    password: string;
+
+    @ApiPropertyOptional()
+    @IsOptional()
+    @IsString()
+    nickname?: string;
+
+    @ApiPropertyOptional()
+    @IsOptional()
+    @IsEmail()
+    email?: string;
+
+    @ApiPropertyOptional({ type: [Number] })
+    @IsOptional()
+    @IsArray()
+    @IsInt({ each: true })
+    @Min(1, { each: true })
+    roleIds?: number[];
+}
+
+export class CreatePermissionDto {
+    @ApiProperty()
+    @IsString()
+    code: string;
+
+    @ApiProperty()
+    @IsString()
+    name: string;
+
+    @ApiPropertyOptional()
+    @IsOptional()
+    @IsString()
+    description?: string;
+}
+
+export class CreateRoleDto {
+    @ApiProperty()
+    @IsString()
+    code: string;
+
+    @ApiProperty()
+    @IsString()
+    name: string;
+
+    @ApiPropertyOptional()
+    @IsOptional()
+    @IsString()
+    description?: string;
+
+    @ApiPropertyOptional({ type: [Number] })
+    @IsOptional()
+    @IsArray()
+    @IsInt({ each: true })
+    @Min(1, { each: true })
+    permissionIds?: number[];
+}
+
+export class UpdateAdminProfileDto {
+    @ApiPropertyOptional()
+    @IsOptional()
+    @IsString()
+    nickname?: string;
+
+    @ApiPropertyOptional()
+    @IsOptional()
+    @IsEmail()
+    email?: string;
+}
+
+export class UpdateAdminRolesDto {
+    @ApiProperty({ type: [Number] })
+    @IsArray()
+    @IsInt({ each: true })
+    @Min(1, { each: true })
+    roleIds: number[];
+}
+
+export class UpdateAdminStatusDto {
+    @ApiProperty({ enum: ["active", "disabled"] })
+    @IsIn(["active", "disabled"])
+    status: "active" | "disabled";
+}
+
+export class UpdateRolePermissionsDto {
+    @ApiProperty({ type: [Number] })
+    @IsArray()
+    @IsInt({ each: true })
+    @Min(1, { each: true })
+    permissionIds: number[];
 }