feat(customers): add optional group assignees with OR visibility for people, companies, and birthdays

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/customer-groups/customer-groups.controller.ts

@@ -8,7 +8,14 @@ import {
   Post,
   UseGuards,
 } from '@nestjs/common';
-import { IsIn, IsOptional, IsString, MaxLength, MinLength } from 'class-validator';
+import {
+  IsArray,
+  IsIn,
+  IsOptional,
+  IsString,
+  MaxLength,
+  MinLength,
+} from 'class-validator';
 import { CUSTOMER_GROUP_COLORS, type CustomerGroupColor } from '@mento/shared';
 import { JwtAuthGuard } from '../auth/jwt-auth.guard';
 import { RolesGuard } from '../auth/roles.guard';
@@ -26,6 +33,11 @@ class CreateCustomerGroupDto {
   @IsOptional()
   @IsIn([...CUSTOMER_GROUP_COLORS])
   color?: CustomerGroupColor;
+
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  assigneeIds?: string[];
 }
 
 class UpdateCustomerGroupDto {
@@ -43,6 +55,11 @@ class UpdateCustomerGroupDto {
   @IsOptional()
   @IsString()
   parentId?: string | null;
+
+  @IsOptional()
+  @IsArray()
+  @IsString({ each: true })
+  assigneeIds?: string[];
 }
 
 @Controller('customer-groups')