diff --git a/apps/api/prisma/migrations/20261112120000_customer_group_assignees/migration.sql b/apps/api/prisma/migrations/20261112120000_customer_group_assignees/migration.sql
new file mode 100644
index 0000000..e6d04a0
--- /dev/null
+++ b/apps/api/prisma/migrations/20261112120000_customer_group_assignees/migration.sql
@@ -0,0 +1,28 @@
+-- مسئولان اختیاری روی گروه‌های مشتری
+CREATE TABLE IF NOT EXISTS "_CustomerGroupAssignees" (
+    "A" TEXT NOT NULL,
+    "B" TEXT NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS "_CustomerGroupAssignees_AB_unique" ON "_CustomerGroupAssignees"("A", "B");
+CREATE INDEX IF NOT EXISTS "_CustomerGroupAssignees_B_index" ON "_CustomerGroupAssignees"("B");
+
+DO $$
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = '_CustomerGroupAssignees_A_fkey'
+  ) THEN
+    ALTER TABLE "_CustomerGroupAssignees"
+      ADD CONSTRAINT "_CustomerGroupAssignees_A_fkey"
+      FOREIGN KEY ("A") REFERENCES "CustomerGroup"("id")
+      ON DELETE CASCADE ON UPDATE CASCADE;
+  END IF;
+  IF NOT EXISTS (
+    SELECT 1 FROM pg_constraint WHERE conname = '_CustomerGroupAssignees_B_fkey'
+  ) THEN
+    ALTER TABLE "_CustomerGroupAssignees"
+      ADD CONSTRAINT "_CustomerGroupAssignees_B_fkey"
+      FOREIGN KEY ("B") REFERENCES "User"("id")
+      ON DELETE CASCADE ON UPDATE CASCADE;
+  END IF;
+END $$;
diff --git a/apps/api/prisma/schema.prisma b/apps/api/prisma/schema.prisma
index 420f54e..49712c6 100644
--- a/apps/api/prisma/schema.prisma
+++ b/apps/api/prisma/schema.prisma
@@ -306,6 +306,7 @@ model User {
   ownedInvoices          Invoice[]                @relation("InvoiceOwner")
   ownedPeople            Person[]                 @relation("PersonOwner")
   ownedCompanies         Company[]                @relation("CompanyOwner")
+  assignedCustomerGroups CustomerGroup[]          @relation("CustomerGroupAssignees")
   financialPartyDocuments FinancialDocument[]     @relation("FinancialDocumentParty")
   ownedProjectCards      ProjectCard[]            @relation("ProjectCardOwner")
   activities             Activity[]               @relation("ActivityAssignee")
@@ -576,6 +577,8 @@ model CustomerGroup {
   children            CustomerGroup[]    @relation("CustomerGroupTree")
   people              PersonGroupLink[]
   companies           CompanyGroupLink[]
+  /// مسئولان گروه — اختیاری؛ اعضای گروه را مثل مشتریان خود می‌بینند
+  assignees           User[]             @relation("CustomerGroupAssignees")
   createdAt           DateTime           @default(now())
   updatedAt           DateTime           @updatedAt
 
diff --git a/apps/api/src/common/data-access.ts b/apps/api/src/common/data-access.ts
index d65b590..6c10b18 100644
--- a/apps/api/src/common/data-access.ts
+++ b/apps/api/src/common/data-access.ts
@@ -135,6 +135,23 @@ function orParts<T>(parts: T[]): T | { OR: T[] } | { id: string } {
   return parts.length === 1 ? parts[0]! : { OR: parts };
 }
 
+/** اعضای گروه‌هایی که کاربر مسئولشان است */
+function personViaGroupAssignee(userId: string): Prisma.PersonWhereInput {
+  return {
+    groupLinks: {
+      some: { group: { assignees: { some: { id: userId } } } },
+    },
+  };
+}
+
+function companyViaGroupAssignee(userId: string): Prisma.CompanyWhereInput {
+  return {
+    groupLinks: {
+      some: { group: { assignees: { some: { id: userId } } } },
+    },
+  };
+}
+
 export function customersPersonWhere(
   actor: Pick<Actor, 'userId' | 'role' | 'customersAccess' | 'teamPeerIds'>,
 ): Prisma.PersonWhereInput {
@@ -149,6 +166,8 @@ export function customersPersonWhere(
     });
     if (w) parts.push(w);
   }
+  // مسئول گروه: اتحاد با محدودیت نقش (مالک خودم یا عضو گروه تحت مسئولیت)
+  parts.push(personViaGroupAssignee(actor.userId));
   return orParts(parts);
 }
 
@@ -188,6 +207,7 @@ export function customersCompanyWhere(
     if (!and.length) continue;
     parts.push(and.length === 1 ? and[0]! : { AND: and });
   }
+  parts.push(companyViaGroupAssignee(actor.userId));
   return orParts(parts);
 }
 
diff --git a/apps/api/src/contacts/birthday-month.ts b/apps/api/src/contacts/birthday-month.ts
index d243e0e..525f1b3 100644
--- a/apps/api/src/contacts/birthday-month.ts
+++ b/apps/api/src/contacts/birthday-month.ts
@@ -60,6 +60,7 @@ export function selectMonthBirthdays(people: BirthdayRow[], now = new Date(), pr
   const upcoming = matched.filter((row) => row.day >= today.jd).sort(byDay);
   const passed = matched.filter((row) => row.day < today.jd).sort(byDay);
   return {
+    year: today.jy,
     month: today.jm,
     monthName: jalaliMonthName(today.jm),
     today: today.jd,
diff --git a/apps/api/src/contacts/companies.service.ts b/apps/api/src/contacts/companies.service.ts
index d7143ed..88db4f4 100644
--- a/apps/api/src/contacts/companies.service.ts
+++ b/apps/api/src/contacts/companies.service.ts
@@ -169,6 +169,7 @@ export class CompaniesService {
       fromTahesab: Boolean(g.tahesabGid),
       personCount: 0,
       companyCount: countMap.get(g.id) ?? 0,
+      assignees: [],
     }));
   }
 
diff --git a/apps/api/src/contacts/contacts.module.ts b/apps/api/src/contacts/contacts.module.ts
index 5fa3765..9ee223b 100644
--- a/apps/api/src/contacts/contacts.module.ts
+++ b/apps/api/src/contacts/contacts.module.ts
@@ -3,6 +3,7 @@ import { LoyaltyModule } from '../loyalty/loyalty.module';
 import { AutomationsModule } from '../automations/automations.module';
 import { MessageAutomationsModule } from '../message-automations/message-automations.module';
 import { PublicApiModule } from '../public-api/public-api.module';
+import { NotificationsModule } from '../notifications/notifications.module';
 import { CompaniesController } from './companies.controller';
 import { CompaniesService } from './companies.service';
 import { PeopleController } from './people.controller';
@@ -20,6 +21,7 @@ import { CustomerGroupsModule } from '../customer-groups/customer-groups.module'
     PublicApiModule,
     BehaviorModule,
     CustomerGroupsModule,
+    NotificationsModule,
   ],
   controllers: [PeopleController, CompaniesController],
   providers: [PeopleService, CompaniesService, ContactsExcelService, SameMobileMergeService],
diff --git a/apps/api/src/contacts/dto.ts b/apps/api/src/contacts/dto.ts
index bda6b74..221d9d1 100644
--- a/apps/api/src/contacts/dto.ts
+++ b/apps/api/src/contacts/dto.ts
@@ -23,6 +23,11 @@ export class BirthdaySmsDto {
   @MinLength(1)
   @MaxLength(500)
   text!: string;
+
+  /** تأیید ارسال مجدد وقتی قبلاً مسئول دیگری تبریک فرستاده */
+  @IsOptional()
+  @IsBoolean()
+  force?: boolean;
 }
 
 export class BulkDeletePeopleDto {
diff --git a/apps/api/src/contacts/people.controller.ts b/apps/api/src/contacts/people.controller.ts
index 87447b4..b015349 100644
--- a/apps/api/src/contacts/people.controller.ts
+++ b/apps/api/src/contacts/people.controller.ts
@@ -139,6 +139,7 @@ export class PeopleController {
   }
 
   @Get('birthdays')
+  @RequirePermission('customers', { reads: true })
   birthdays(@CurrentUser() user: Actor) {
     return this.peopleService.birthdaysThisMonth(user);
   }
@@ -171,7 +172,7 @@ export class PeopleController {
     @Param('id') id: string,
     @Body() dto: BirthdaySmsDto,
   ) {
-    return this.peopleService.sendBirthdaySms(user, id, dto.text);
+    return this.peopleService.sendBirthdaySms(user, id, dto.text, Boolean(dto.force));
   }
 
   @Get(':id')
diff --git a/apps/api/src/contacts/people.service.ts b/apps/api/src/contacts/people.service.ts
index 4e469c1..0849b02 100644
--- a/apps/api/src/contacts/people.service.ts
+++ b/apps/api/src/contacts/people.service.ts
@@ -22,6 +22,7 @@ import {
   FILTERED_IDS_MAX,
   PERSON_MOODS,
   applyPersonGenderTitle,
+  canViewAllRecords,
   splitPersonHonorific,
 } from '@mento/shared';
 import { Prisma } from '@prisma/client';
@@ -48,6 +49,7 @@ import {
 import { actorCanAssignToOthers, assertAssigneeSet } from '../common/assign-access';
 import { LoyaltyService } from '../loyalty/loyalty.service';
 import { AutomationsService } from '../automations/automations.service';
+import { NotificationsService } from '../notifications/notifications.service';
 import { MessageAutomationsService } from '../message-automations/message-automations.service';
 import { WebhooksService } from '../public-api/webhooks.service';
 import { GamificationService } from '../gamification/gamification.service';
@@ -157,6 +159,7 @@ export class PeopleService implements OnModuleInit {
     private readonly outboundSms: OutboundSmsLogService,
     private readonly behaviorAccess: BehaviorAccessService,
     private readonly groups: CustomerGroupsService,
+    private readonly notifications: NotificationsService,
   ) {}
 
   private personListWhere(
@@ -349,6 +352,7 @@ export class PeopleService implements OnModuleInit {
       fromTahesab: Boolean(g.tahesabGid),
       personCount: countMap.get(g.id) ?? 0,
       companyCount: 0,
+      assignees: [],
     }));
   }
 
@@ -684,8 +688,8 @@ export class PeopleService implements OnModuleInit {
     const rows = await this.prisma.person.findMany({
       where: {
         organizationId: actor.organizationId,
-        ownerId: actor.userId,
         birthDate: { not: null },
+        ...customersPersonWhere(actor),
       },
       select: {
         id: true,
@@ -732,13 +736,17 @@ export class PeopleService implements OnModuleInit {
     };
   }
 
-  async sendBirthdaySms(actor: Actor, personId: string, text: string) {
+  async sendBirthdaySms(actor: Actor, personId: string, text: string, force = false) {
     const body = text.trim();
     if (!body || body.length > 500) {
       throw new BadRequestException('متن پیامک را تا ۵۰۰ نویسه بنویسید.');
     }
     const person = await this.prisma.person.findFirst({
-      where: { id: personId, organizationId: actor.organizationId },
+      where: {
+        id: personId,
+        organizationId: actor.organizationId,
+        ...customersPersonWhere(actor),
+      },
       select: {
         id: true,
         firstName: true,
@@ -748,11 +756,29 @@ export class PeopleService implements OnModuleInit {
         ownerId: true,
         birthDate: true,
         company: { select: { name: true } },
+        groupLinks: {
+          select: {
+            group: {
+              select: {
+                assignees: { select: { id: true, fullName: true } },
+              },
+            },
+          },
+        },
       },
     });
     if (!person) throw new NotFoundException('مشتری پیدا نشد');
-    if (person.ownerId !== actor.userId) {
-      throw new ForbiddenException('فقط مسئول این مشتری می‌تواند پیامک تبریک بفرستد.');
+    const assigneeIds = new Set(
+      person.groupLinks.flatMap((link) => link.group.assignees.map((a) => a.id)),
+    );
+    const canSend =
+      canViewAllRecords(actor.role) ||
+      person.ownerId === actor.userId ||
+      assigneeIds.has(actor.userId);
+    if (!canSend) {
+      throw new ForbiddenException(
+        'فقط مالک مشتری یا مسئول گروه او می‌تواند پیامک تبریک بفرستد.',
+      );
     }
     if (!person.birthDate) {
       throw new BadRequestException('برای این مشتری تاریخ تولد ثبت نشده است.');
@@ -774,6 +800,32 @@ export class PeopleService implements OnModuleInit {
     const mobile = person.mobile || person.phone;
     if (!mobile) throw new BadRequestException('برای این مشتری شماره موبایل ثبت نشده است.');
     const fullName = `${person.firstName} ${person.lastName}`.trim();
+    const birthdayKey = `birthday:${inMonth.year}-${inMonth.month}`;
+    if (!force) {
+      const prior = await this.prisma.outboundSmsLog.findFirst({
+        where: {
+          organizationId: actor.organizationId,
+          personId: person.id,
+          status: 'sent',
+          sourceId: birthdayKey,
+          NOT: { actorUserId: actor.userId },
+        },
+        orderBy: { createdAt: 'desc' },
+        select: { actorUserId: true },
+      });
+      if (prior) {
+        const priorUser = prior.actorUserId
+          ? await this.prisma.user.findFirst({
+              where: { id: prior.actorUserId },
+              select: { fullName: true },
+            })
+          : null;
+        const who = priorUser?.fullName?.trim() || 'مسئول دیگری';
+        throw new ConflictException(
+          `${who} قبلاً پیامک تبریک این مشتری را فرستاده است. آیا می‌خواهید دوباره بفرستید؟`,
+        );
+      }
+    }
     const message = renderSmsText(body, {
       name: fullName,
       phone: mobile,
@@ -793,6 +845,7 @@ export class PeopleService implements OnModuleInit {
       mobile,
       body: message,
       source: 'manual',
+      sourceId: birthdayKey,
       status: result.ok ? 'sent' : 'failed',
       error: result.ok ? null : result.reason,
       actorUserId: actor.userId,
@@ -806,6 +859,28 @@ export class PeopleService implements OnModuleInit {
             : 'پیامک ارسال نشد. کمی بعد دوباره تلاش کنید.',
       );
     }
+    const senderName = (
+      await this.prisma.user.findFirst({
+        where: { id: actor.userId },
+        select: { fullName: true },
+      })
+    )?.fullName?.trim() || 'یکی از مسئولان';
+    const peers = [...assigneeIds].filter((id) => id !== actor.userId);
+    await Promise.all(
+      peers.map((userId) =>
+        this.notifications.create({
+          organizationId: actor.organizationId,
+          userId,
+          type: 'birthday_sms_sent',
+          title: 'پیامک تبریک تولد ارسال شد',
+          body: `${senderName} برای «${fullName}» پیامک تبریک فرستاد. اگر لازم است می‌توانید دوباره بفرستید.`,
+          link: `/contacts/people/${person.id}`,
+          entityType: 'person',
+          entityId: person.id,
+          dedupe: false,
+        }),
+      ),
+    );
     return { ok: true };
   }
 
diff --git a/apps/api/src/customer-groups/customer-groups.controller.ts b/apps/api/src/customer-groups/customer-groups.controller.ts
index ec7e416..7b01ac2 100644
--- a/apps/api/src/customer-groups/customer-groups.controller.ts
+++ b/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')
diff --git a/apps/api/src/customer-groups/customer-groups.service.ts b/apps/api/src/customer-groups/customer-groups.service.ts
index 859396d..a77e4ea 100644
--- a/apps/api/src/customer-groups/customer-groups.service.ts
+++ b/apps/api/src/customer-groups/customer-groups.service.ts
@@ -51,26 +51,21 @@ export class CustomerGroupsService {
       include: {
         _count: { select: { people: true, companies: true } },
         parent: { select: { name: true } },
+        assignees: { select: { id: true, fullName: true }, orderBy: { fullName: 'asc' } },
       },
     });
-    return rows.map((r) => ({
-      id: r.id,
-      name: r.name,
-      color: r.color,
-      position: r.position,
-      fromTahesab: Boolean(r.tahesabGid),
-      personCount: r._count.people,
-      companyCount: r._count.companies,
-      parentId: r.parentId,
-      parentName: r.parent?.name ?? null,
-    }));
+    return rows.map((r) => this.toDto(r));
   }
 
   async create(
     organizationId: string,
-    dto: { name: string; color?: CustomerGroupColor },
+    dto: { name: string; color?: CustomerGroupColor; assigneeIds?: string[] },
   ): Promise<CustomerGroupDto> {
     const name = this.cleanName(dto.name);
+    const assigneeIds =
+      dto.assigneeIds !== undefined
+        ? await this.validAssigneeIds(organizationId, dto.assigneeIds)
+        : [];
     const max = await this.prisma.customerGroup.aggregate({
       where: { organizationId },
       _max: { position: true },
@@ -82,6 +77,9 @@ export class CustomerGroupsService {
           name,
           color: this.cleanColor(dto.color),
           position: (max._max.position ?? -1) + 1,
+          ...(assigneeIds.length
+            ? { assignees: { connect: assigneeIds.map((id) => ({ id })) } }
+            : {}),
         },
       });
     } catch (e) {
@@ -93,7 +91,12 @@ export class CustomerGroupsService {
   async update(
     organizationId: string,
     id: string,
-    dto: { name?: string; color?: CustomerGroupColor; parentId?: string | null },
+    dto: {
+      name?: string;
+      color?: CustomerGroupColor;
+      parentId?: string | null;
+      assigneeIds?: string[];
+    },
   ): Promise<CustomerGroupDto> {
     await this.require(organizationId, id);
     const parentId =
@@ -101,6 +104,10 @@ export class CustomerGroupsService {
     if (parentId !== undefined) {
       await this.assertParent(organizationId, id, parentId);
     }
+    const assigneeIds =
+      dto.assigneeIds !== undefined
+        ? await this.validAssigneeIds(organizationId, dto.assigneeIds)
+        : undefined;
     try {
       await this.prisma.customerGroup.update({
         where: { id },
@@ -108,6 +115,9 @@ export class CustomerGroupsService {
           ...(dto.name != null ? { name: this.cleanName(dto.name) } : {}),
           ...(dto.color != null ? { color: this.cleanColor(dto.color) } : {}),
           ...(parentId !== undefined ? { parentId } : {}),
+          ...(assigneeIds !== undefined
+            ? { assignees: { set: assigneeIds.map((uid) => ({ id: uid })) } }
+            : {}),
         },
       });
     } catch (e) {
@@ -317,6 +327,48 @@ export class CustomerGroupsService {
     return link?.group.name ?? null;
   }
 
+  private toDto(r: {
+    id: string;
+    name: string;
+    color: string;
+    position: number;
+    tahesabGid: string | null;
+    parentId: string | null;
+    parent?: { name: string } | null;
+    _count: { people: number; companies: number };
+    assignees: Array<{ id: string; fullName: string }>;
+  }): CustomerGroupDto {
+    return {
+      id: r.id,
+      name: r.name,
+      color: r.color,
+      position: r.position,
+      fromTahesab: Boolean(r.tahesabGid),
+      personCount: r._count.people,
+      companyCount: r._count.companies,
+      parentId: r.parentId,
+      parentName: r.parent?.name ?? null,
+      assignees: r.assignees.map((a) => ({ id: a.id, fullName: a.fullName })),
+    };
+  }
+
+  private async validAssigneeIds(organizationId: string, ids: string[]): Promise<string[]> {
+    const unique = [...new Set((ids ?? []).map((id) => id?.trim()).filter(Boolean))];
+    if (!unique.length) return [];
+    const rows = await this.prisma.user.findMany({
+      where: {
+        id: { in: unique },
+        isActive: true,
+        memberships: { some: { organizationId, isActive: true } },
+      },
+      select: { id: true },
+    });
+    if (rows.length !== unique.length) {
+      throw new BadRequestException('یکی از مسئولان انتخاب‌شده معتبر نیست');
+    }
+    return rows.map((r) => r.id);
+  }
+
   private async require(organizationId: string, id: string) {
     const row = await this.prisma.customerGroup.findFirst({
       where: { id, organizationId },
diff --git a/apps/api/test/record-scope.test.ts b/apps/api/test/record-scope.test.ts
index 822105c..55bff67 100644
--- a/apps/api/test/record-scope.test.ts
+++ b/apps/api/test/record-scope.test.ts
@@ -1,6 +1,11 @@
 import { describe, it } from 'node:test';
 import assert from 'node:assert/strict';
-import { leadsDeepWhere, resolveSectionAccess } from '../src/common/data-access';
+import {
+  customersCompanyWhere,
+  customersPersonWhere,
+  leadsDeepWhere,
+  resolveSectionAccess,
+} from '../src/common/data-access';
 import {
   noteAccessWhere,
   normalizeDataVisibility,
@@ -122,3 +127,49 @@ describe('عمق داده وقتی نقش فقط بعضی بخش‌ها را ذ
     assert.deepEqual(leads.section, { mode: 'rules', rules: [{ owners: ['self'] }] });
   });
 });
+
+describe('مسئول گروه مشتری روی عمق داده', () => {
+  const selfAccess = { mode: 'rules' as const, rules: [{ owners: ['self' as const] }] };
+
+  it('محدودیت self با OR مسئول گروه برای شخص', () => {
+    const where = customersPersonWhere({
+      userId: 'u1',
+      role: 'sales',
+      customersAccess: selfAccess,
+      teamPeerIds: null,
+    });
+    assert.deepEqual(where, {
+      OR: [
+        { ownerId: 'u1' },
+        { groupLinks: { some: { group: { assignees: { some: { id: 'u1' } } } } } },
+      ],
+    });
+  });
+
+  it('محدودیت self با OR مسئول گروه برای شرکت', () => {
+    const where = customersCompanyWhere({
+      userId: 'u1',
+      role: 'sales',
+      customersAccess: selfAccess,
+      teamPeerIds: null,
+    });
+    assert.deepEqual(where, {
+      OR: [
+        { ownerId: 'u1' },
+        { groupLinks: { some: { group: { assignees: { some: { id: 'u1' } } } } } },
+      ],
+    });
+  });
+
+  it('بدون محدودیت عمقی، فیلتر اضافه نمی‌شود', () => {
+    assert.deepEqual(
+      customersPersonWhere({
+        userId: 'u1',
+        role: 'sales',
+        customersAccess: { mode: 'all', rules: [] },
+        teamPeerIds: null,
+      }),
+      {},
+    );
+  });
+});
diff --git a/apps/web/src/components/CustomerGroupsManager.vue b/apps/web/src/components/CustomerGroupsManager.vue
index bdeb5d5..04bfb2e 100644
--- a/apps/web/src/components/CustomerGroupsManager.vue
+++ b/apps/web/src/components/CustomerGroupsManager.vue
@@ -1,29 +1,54 @@
 <script setup lang="ts">
-import { ref, watch } from 'vue';
+import { computed, ref, watch } from 'vue';
 import axios from 'axios';
-import type { CustomerGroupColor, CustomerGroupDto } from '@mento/shared';
+import type { CustomerGroupColor, CustomerGroupDto, OrgUserDto } from '@mento/shared';
 import { CUSTOMER_GROUP_COLORS } from '@mento/shared';
 import { api } from '@/lib/api';
 import { toFaDigits } from '@/lib/jalali';
+import { normalizeSearchText } from '@/lib/search';
 import {
   CUSTOMER_GROUP_COLOR_LABELS,
   groupSwatch,
   useCustomerGroups,
 } from '@/lib/customer-groups';
+import { useAuthStore } from '@/stores/auth';
 import { UiButton, UiInput, UiModal } from '@/components/ui';
 import UiIcon from '@/components/UiIcon.vue';
+import OrgUserPersonPick from '@/components/OrgUserPersonPick.vue';
 
 const props = defineProps<{ open: boolean }>();
 const emit = defineEmits<{ close: []; changed: [] }>();
 
+const auth = useAuthStore();
+const canManage = computed(
+  () => auth.user?.role === 'owner' || auth.user?.role === 'admin',
+);
+
 const { groups, load } = useCustomerGroups();
+const users = ref<OrgUserDto[]>([]);
 const newName = ref('');
 const newColor = ref<CustomerGroupColor>('teal');
+const newAssigneeIds = ref<string[]>([]);
 const editingId = ref<string | null>(null);
 const editName = ref('');
+const assigneeDraft = ref<Record<string, string[]>>({});
+const listQuery = ref('');
 const busy = ref(false);
 const error = ref('');
 
+const filteredGroups = computed(() => {
+  const q = normalizeSearchText(listQuery.value);
+  if (!q) return groups.value;
+  return groups.value.filter((g) => {
+    const assigneeNames = (g.assignees ?? []).map((a) => a.fullName).join(' ');
+    return (
+      normalizeSearchText(g.name).includes(q) ||
+      normalizeSearchText(g.parentName ?? '').includes(q) ||
+      normalizeSearchText(assigneeNames).includes(q)
+    );
+  });
+});
+
 function errorText(e: unknown, fallback: string) {
   if (axios.isAxiosError(e)) {
     const msg = (e.response?.data as { message?: string | string[] } | undefined)?.message;
@@ -33,12 +58,30 @@ function errorText(e: unknown, fallback: string) {
   return fallback;
 }
 
+async function loadUsers() {
+  try {
+    const { data } = await api.get<OrgUserDto[]>('/users');
+    users.value = data.filter((u) => u.isActive !== false);
+  } catch {
+    users.value = [];
+  }
+}
+
+function syncAssigneeDraft() {
+  const next: Record<string, string[]> = {};
+  for (const g of groups.value) {
+    next[g.id] = (g.assignees ?? []).map((a) => a.id);
+  }
+  assigneeDraft.value = next;
+}
+
 async function run(task: () => Promise<unknown>, fallback: string) {
   busy.value = true;
   error.value = '';
   try {
     await task();
     await load(true);
+    syncAssigneeDraft();
     emit('changed');
     return true;
   } catch (e) {
@@ -53,10 +96,18 @@ async function create() {
   const name = newName.value.trim();
   if (!name) return;
   const ok = await run(
-    () => api.post('/customer-groups', { name, color: newColor.value }),
+    () =>
+      api.post('/customer-groups', {
+        name,
+        color: newColor.value,
+        assigneeIds: newAssigneeIds.value,
+      }),
     'ساخت گروه ناموفق بود.',
   );
-  if (ok) newName.value = '';
+  if (ok) {
+    newName.value = '';
+    newAssigneeIds.value = [];
+  }
 }
 
 function startEdit(g: CustomerGroupDto) {
@@ -82,6 +133,24 @@ async function setColor(g: CustomerGroupDto, color: CustomerGroupColor) {
   await run(() => api.patch(`/customer-groups/${g.id}`, { color }), 'تغییر رنگ ناموفق بود.');
 }
 
+async function onAssigneesChange(g: CustomerGroupDto, ids: string[]) {
+  assigneeDraft.value = { ...assigneeDraft.value, [g.id]: ids };
+  const prev = (g.assignees ?? []).map((a) => a.id).sort().join(',');
+  const next = [...ids].sort().join(',');
+  if (prev === next) return;
+  await run(
+    () => api.patch(`/customer-groups/${g.id}`, { assigneeIds: ids }),
+    'ذخیره مسئولان گروه ناموفق بود.',
+  );
+}
+
+function assigneeLabel(g: CustomerGroupDto) {
+  const names = (g.assignees ?? []).map((a) => a.fullName).filter(Boolean);
+  if (!names.length) return 'بدون مسئول';
+  if (names.length === 1) return names[0]!;
+  return `${names[0]} و ${toFaDigits(names.length - 1)} نفر دیگر`;
+}
+
 async function remove(g: CustomerGroupDto) {
   const used = g.personCount + g.companyCount;
   const note = used ? ` این گروه از ${toFaDigits(used)} مخاطب برداشته می‌شود (خود مخاطب‌ها حذف نمی‌شوند).` : '';
@@ -95,9 +164,12 @@ watch(
     if (!open) return;
     error.value = '';
     editingId.value = null;
-    void load(true).catch(() => {
-      error.value = 'بارگذاری گروه‌ها ناموفق بود.';
-    });
+    listQuery.value = '';
+    void Promise.all([load(true), loadUsers()])
+      .then(() => syncAssigneeDraft())
+      .catch(() => {
+        error.value = 'بارگذاری گروه‌ها ناموفق بود.';
+      });
   },
   { immediate: true },
 );
@@ -107,34 +179,60 @@ watch(
   <UiModal :open="open" title="گروه‌های مشتری" @close="emit('close')">
     <div class="manager">
       <p class="lead">
-        هر شخص یا شرکت می‌تواند چند گروه داشته باشد. گروه‌هایی که از ته‌حساب می‌آیند با برچسب
-        «ته‌حساب» مشخص شده‌اند.
+        هر شخص یا شرکت می‌تواند چند گروه داشته باشد. مسئولان گروه (اختیاری) اعضای آن گروه را مثل
+        مشتریان خود می‌بینند. گروه‌های ته‌حساب با برچسب «ته‌حساب» مشخص شده‌اند.
       </p>
 
-      <form class="new-row" @submit.prevent="create">
-        <UiInput v-model="newName" placeholder="نام گروه جدید" :maxlength="80" :disabled="busy" />
-        <div class="swatches">
-          <button
-            v-for="c in CUSTOMER_GROUP_COLORS"
-            :key="c"
-            type="button"
-            class="swatch"
-            :class="{ on: newColor === c }"
-            :style="{ background: groupSwatch(c).fg }"
-            :title="CUSTOMER_GROUP_COLOR_LABELS[c]"
-            @click="newColor = c"
+      <form v-if="canManage" class="create-panel" @submit.prevent="create">
+        <header class="create-head">
+          <strong>گروه جدید</strong>
+          <span>نام، رنگ و مسئولان را مشخص کنید و افزودن بزنید.</span>
+        </header>
+        <div class="new-row">
+          <UiInput v-model="newName" placeholder="نام گروه جدید" :maxlength="80" :disabled="busy" />
+          <div class="swatches">
+            <button
+              v-for="c in CUSTOMER_GROUP_COLORS"
+              :key="c"
+              type="button"
+              class="swatch"
+              :class="{ on: newColor === c }"
+              :style="{ background: groupSwatch(c).fg }"
+              :title="CUSTOMER_GROUP_COLOR_LABELS[c]"
+              @click="newColor = c"
+            />
+          </div>
+          <UiButton type="submit" variant="primary" size="sm" :disabled="busy || !newName.trim()">
+            <UiIcon name="plus" :size="15" />
+            افزودن
+          </UiButton>
+        </div>
+        <div v-if="users.length" class="assignee-field create-assignees">
+          <span class="assignees-label">مسئولان (اختیاری)</span>
+          <OrgUserPersonPick
+            v-model="newAssigneeIds"
+            :users="users"
+            :disabled="busy"
+            empty-label="انتخاب مسئول"
           />
         </div>
-        <UiButton type="submit" variant="primary" size="sm" :disabled="busy || !newName.trim()">
-          <UiIcon name="plus" :size="15" />
-          افزودن
-        </UiButton>
       </form>
 
       <p v-if="error" class="error">{{ error }}</p>
 
-      <ul v-if="groups.length" class="list">
-        <li v-for="g in groups" :key="g.id" class="row">
+      <div v-if="canManage || groups.length" class="list-head">
+        <h3 class="list-title">گروه‌های موجود</h3>
+        <label v-if="groups.length" class="list-search">
+          <UiIcon name="search" :size="15" />
+          <input
+            v-model="listQuery"
+            type="search"
+            placeholder="جستجوی گروه یا مسئول…"
+          />
+        </label>
+      </div>
+      <ul v-if="filteredGroups.length" class="list">
+        <li v-for="g in filteredGroups" :key="g.id" class="row">
           <div class="name-cell">
             <form v-if="editingId === g.id" class="edit" @submit.prevent="saveName(g)">
               <UiInput v-model="editName" :maxlength="80" :disabled="busy" />
@@ -152,9 +250,10 @@ watch(
               <span class="count">
                 {{ toFaDigits(g.personCount) }} شخص · {{ toFaDigits(g.companyCount) }} شرکت
               </span>
+              <span v-if="!canManage" class="assignee-summary">{{ assigneeLabel(g) }}</span>
             </template>
           </div>
-          <div v-if="editingId !== g.id" class="row-actions">
+          <div v-if="editingId !== g.id && canManage" class="row-actions">
             <div class="swatches">
               <button
                 v-for="c in CUSTOMER_GROUP_COLORS"
@@ -173,8 +272,20 @@ watch(
               <UiIcon name="trash" :size="14" />
             </UiButton>
           </div>
+          <div v-if="canManage && users.length" class="assignee-field">
+            <span class="assignees-label">مسئولان</span>
+            <OrgUserPersonPick
+              :model-value="assigneeDraft[g.id] ?? []"
+              :users="users"
+              :disabled="busy"
+              empty-label="انتخاب مسئول"
+              @update:model-value="(ids) => (assigneeDraft[g.id] = ids)"
+              @change="(ids) => onAssigneesChange(g, ids)"
+            />
+          </div>
         </li>
       </ul>
+      <p v-else-if="groups.length && listQuery.trim()" class="muted">گروهی با این جستجو پیدا نشد.</p>
       <p v-else class="muted">هنوز گروهی ساخته نشده است.</p>
     </div>
   </UiModal>
@@ -200,6 +311,78 @@ watch(
   font-size: 0.85rem;
 }
 
+.create-panel {
+  display: grid;
+  gap: 0.75rem;
+  padding: 0.85rem 0.95rem;
+  border: 1px solid color-mix(in srgb, var(--accent, #0d9488) 28%, #e2e8f0);
+  border-radius: 12px;
+  background:
+    linear-gradient(180deg, color-mix(in srgb, var(--accent, #0d9488) 8%, #fff) 0%, #fff 72%);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
+}
+
+.create-head {
+  display: grid;
+  gap: 0.15rem;
+}
+
+.create-head strong {
+  color: var(--accent-deep, #0f766e);
+  font-size: 0.9rem;
+  font-weight: 700;
+}
+
+.create-head span {
+  color: #64748b;
+  font-size: 0.78rem;
+}
+
+.list-head {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.5rem;
+}
+
+.list-title {
+  margin: 0;
+  color: #475569;
+  font-size: 0.8rem;
+  font-weight: 700;
+}
+
+.list-search {
+  display: flex;
+  align-items: center;
+  gap: 0.4rem;
+  min-width: min(16rem, 100%);
+  flex: 1 1 12rem;
+  max-width: 18rem;
+  height: 2.25rem;
+  padding: 0 0.65rem;
+  border: 1px solid #e2e8f0;
+  border-radius: var(--radius, 10px);
+  background: #fff;
+  color: #94a3b8;
+}
+
+.list-search:focus-within {
+  border-color: #5eead4;
+}
+
+.list-search input {
+  flex: 1;
+  min-width: 0;
+  border: 0;
+  outline: none;
+  background: transparent;
+  font: inherit;
+  font-size: 0.85rem;
+  color: #0f172a;
+}
+
 .new-row,
 .edit {
   display: flex;
@@ -282,14 +465,38 @@ watch(
   padding: 0.05rem 0.4rem;
 }
 
-.count {
+.count,
+.assignee-summary {
   color: #94a3b8;
   font-size: 0.78rem;
 }
 
+.assignee-summary {
+  flex: 1 1 100%;
+}
+
 .row-actions {
   display: flex;
   align-items: center;
   gap: 0.35rem;
 }
+
+.assignee-field {
+  flex: 1 1 100%;
+  display: grid;
+  gap: 0.35rem;
+  padding-top: 0.35rem;
+  border-top: 1px dashed #e2e8f0;
+}
+
+.create-assignees {
+  border-top: 1px dashed color-mix(in srgb, var(--accent, #0d9488) 22%, #e2e8f0);
+  padding-top: 0.65rem;
+}
+
+.assignees-label {
+  font-size: 0.75rem;
+  color: #64748b;
+  font-weight: 600;
+}
 </style>
diff --git a/apps/web/src/components/OrgUserPersonPick.vue b/apps/web/src/components/OrgUserPersonPick.vue
new file mode 100644
index 0000000..80dddd5
--- /dev/null
+++ b/apps/web/src/components/OrgUserPersonPick.vue
@@ -0,0 +1,301 @@
+<script setup lang="ts">
+import { computed, nextTick, ref, watch } from 'vue';
+import type { OrgUserDto } from '@mento/shared';
+import { toFaDigits } from '@/lib/jalali';
+import { normalizeSearchText } from '@/lib/search';
+import UiIcon from '@/components/UiIcon.vue';
+import UserAvatar from '@/components/UserAvatar.vue';
+
+const props = withDefaults(
+  defineProps<{
+    modelValue: string[];
+    users: Array<Pick<OrgUserDto, 'id' | 'fullName' | 'orgRoleName' | 'hasAvatar'>>;
+    disabled?: boolean;
+    emptyLabel?: string;
+  }>(),
+  {
+    disabled: false,
+    emptyLabel: 'انتخاب مسئول',
+  },
+);
+
+const emit = defineEmits<{
+  'update:modelValue': [ids: string[]];
+  change: [ids: string[]];
+}>();
+
+const open = ref(false);
+const query = ref('');
+const searchInput = ref<HTMLInputElement | null>(null);
+
+const selected = computed(() =>
+  props.modelValue
+    .map((id) => props.users.find((u) => u.id === id))
+    .filter((u): u is NonNullable<typeof u> => Boolean(u)),
+);
+
+const label = computed(() => {
+  if (!selected.value.length) return props.emptyLabel;
+  if (selected.value.length === 1) return selected.value[0]!.fullName;
+  return `${selected.value[0]!.fullName} و ${toFaDigits(selected.value.length - 1)} نفر دیگر`;
+});
+
+const filtered = computed(() => {
+  const q = normalizeSearchText(query.value);
+  if (!q) return props.users;
+  return props.users.filter(
+    (u) =>
+      normalizeSearchText(u.fullName).includes(q) ||
+      normalizeSearchText(u.orgRoleName ?? '').includes(q),
+  );
+});
+
+function toggleMenu() {
+  if (props.disabled) return;
+  open.value = !open.value;
+  if (open.value) {
+    void nextTick(() => searchInput.value?.focus());
+  }
+}
+
+function close() {
+  open.value = false;
+}
+
+function toggle(userId: string) {
+  if (props.disabled) return;
+  const set = new Set(props.modelValue);
+  if (set.has(userId)) set.delete(userId);
+  else set.add(userId);
+  const next = [...set];
+  emit('update:modelValue', next);
+  emit('change', next);
+}
+
+watch(open, (isOpen) => {
+  if (!isOpen) query.value = '';
+});
+
+defineExpose({ close });
+</script>
+
+<template>
+  <div class="wrap" @click.stop>
+    <button
+      class="picker person-pick"
+      type="button"
+      :disabled="disabled"
+      @click="toggleMenu"
+    >
+      <div class="assignee-avatars">
+        <UserAvatar
+          v-for="user in selected.slice(0, 3)"
+          :key="user.id"
+          :name="user.fullName"
+          :user-id="user.id"
+          :has-avatar="user.hasAvatar"
+          :size="28"
+        />
+        <UserAvatar v-if="!selected.length" name="مسئول" :size="28" />
+      </div>
+      <span :class="{ ghost: !selected.length }">{{ label }}</span>
+      <UiIcon name="chevron" :size="16" />
+    </button>
+
+    <div v-if="open" class="menu person-menu multi-menu" @click.stop>
+      <label class="person-search">
+        <UiIcon name="search" :size="15" />
+        <input
+          ref="searchInput"
+          v-model="query"
+          type="search"
+          placeholder="جستجوی نام یا نقش…"
+          @keydown.esc="close"
+        />
+      </label>
+      <ul class="person-list">
+        <li v-for="user in filtered" :key="user.id">
+          <button
+            type="button"
+            class="multi-option"
+            :class="{ on: modelValue.includes(user.id) }"
+            @click="toggle(user.id)"
+          >
+            <span class="check" :class="{ on: modelValue.includes(user.id) }">
+              <UiIcon v-if="modelValue.includes(user.id)" name="check-plain" :size="12" />
+            </span>
+            <UserAvatar
+              :name="user.fullName"
+              :user-id="user.id"
+              :has-avatar="user.hasAvatar"
+              :size="28"
+            />
+            <span class="role-name">{{ user.fullName }}</span>
+            <small v-if="user.orgRoleName" class="role-count">{{ user.orgRoleName }}</small>
+          </button>
+        </li>
+        <li v-if="!filtered.length" class="menu-empty">موردی پیدا نشد.</li>
+      </ul>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.wrap {
+  position: relative;
+  width: 100%;
+  min-width: 12rem;
+}
+
+.picker {
+  width: 100%;
+  min-height: var(--control-h, 36px);
+  height: var(--control-h, 36px);
+  border: 1px solid #e2e8f0;
+  border-radius: var(--radius, 10px);
+  background: #fff;
+  display: flex;
+  align-items: center;
+  gap: 0.6rem;
+  padding: 0.4rem 0.7rem;
+  font: inherit;
+  text-align: start;
+  cursor: pointer;
+}
+
+.picker:disabled {
+  opacity: 0.65;
+  cursor: not-allowed;
+}
+
+.picker .ghost {
+  color: #94a3b8;
+  font-weight: 500;
+}
+
+.picker :deep(.ico:last-child) {
+  margin-inline-start: auto;
+  color: #94a3b8;
+  transform: rotate(90deg);
+}
+
+.assignee-avatars {
+  display: flex;
+  align-items: center;
+}
+
+.assignee-avatars :deep(.avatar),
+.assignee-avatars > * {
+  margin-inline-end: -0.35rem;
+  box-shadow: 0 0 0 2px #fff;
+}
+
+.menu {
+  position: absolute;
+  inset-inline: 0;
+  top: calc(100% + 0.25rem);
+  z-index: 40;
+  margin: 0;
+  background: #fff;
+  border-radius: var(--radius, 10px);
+  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
+}
+
+.person-menu {
+  max-height: none;
+  overflow: visible;
+  display: grid;
+  gap: 0.35rem;
+  padding: 0.45rem;
+  border: 1px solid #e2e8f0;
+}
+
+.person-search {
+  display: flex;
+  align-items: center;
+  gap: 0.45rem;
+  height: 2.4rem;
+  padding: 0 0.7rem;
+  border: 1px solid #e2e8f0;
+  border-radius: var(--radius, 10px);
+  color: #94a3b8;
+}
+
+.person-search:focus-within {
+  border-color: #5eead4;
+}
+
+.person-search input {
+  flex: 1;
+  min-width: 0;
+  border: 0;
+  outline: none;
+  background: transparent;
+  font: inherit;
+  font-size: 0.88rem;
+  color: #0f172a;
+}
+
+.person-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  max-height: 15rem;
+  overflow-y: auto;
+}
+
+.multi-menu .multi-option {
+  display: flex;
+  align-items: center;
+  gap: 0.55rem;
+  width: 100%;
+  border: 0;
+  background: none;
+  padding: 0.55rem 0.5rem;
+  border-radius: var(--radius, 10px);
+  font: inherit;
+  text-align: start;
+  cursor: pointer;
+}
+
+.multi-menu .multi-option:hover {
+  background: #f8fafc;
+}
+
+.multi-menu .multi-option.on {
+  background: #f0fdfa;
+}
+
+.multi-menu .check {
+  width: 18px;
+  height: 18px;
+  border: 1.5px solid #cbd5e1;
+  border-radius: 5px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  color: #fff;
+}
+
+.multi-menu .check.on {
+  background: #14b8a6;
+  border-color: #14b8a6;
+}
+
+.multi-menu .role-name {
+  min-width: 0;
+}
+
+.multi-menu .role-count {
+  margin-inline-start: auto;
+  color: #94a3b8;
+  font-size: 0.72rem;
+}
+
+.menu-empty {
+  padding: 0.6rem;
+  color: #94a3b8;
+  font-size: 0.82rem;
+}
+</style>
diff --git a/apps/web/src/components/SmsComposeModal.vue b/apps/web/src/components/SmsComposeModal.vue
index e3c2433..6bee146 100644
--- a/apps/web/src/components/SmsComposeModal.vue
+++ b/apps/web/src/components/SmsComposeModal.vue
@@ -122,17 +122,27 @@ function apiMessage(e: unknown, fallback: string) {
   return fallback;
 }
 
-async function send() {
+async function send(force = false) {
   if (!props.endpoint || busy.value || done.value) return;
   busy.value = true;
   error.value = '';
   try {
-    await api.post(props.endpoint, { text: text.value });
+    await api.post(props.endpoint, { text: text.value, ...(force ? { force: true } : {}) });
     done.value = 'پیامک ارسال شد.';
     emit('sent');
     void loadHistory();
   } catch (e) {
-    error.value = apiMessage(e, 'ارسال پیامک ناموفق بود.');
+    if (axios.isAxiosError(e) && e.response?.status === 409) {
+      const msg = apiMessage(e, 'قبلاً پیامک تبریک فرستاده شده است. دوباره بفرستیم؟');
+      if (confirm(msg)) {
+        busy.value = false;
+        await send(true);
+        return;
+      }
+      error.value = msg;
+    } else {
+      error.value = apiMessage(e, 'ارسال پیامک ناموفق بود.');
+    }
   } finally {
     busy.value = false;
   }
diff --git a/apps/web/src/components/dashboard/HomeBirthdayStrip.vue b/apps/web/src/components/dashboard/HomeBirthdayStrip.vue
index 0bb80fe..edc0bb2 100644
--- a/apps/web/src/components/dashboard/HomeBirthdayStrip.vue
+++ b/apps/web/src/components/dashboard/HomeBirthdayStrip.vue
@@ -3,6 +3,8 @@ import { computed, onMounted, ref } from 'vue';
 import { RouterLink } from 'vue-router';
 import { api } from '@/lib/api';
 import { toFaDigits } from '@/lib/jalali';
+import { hasSectionPermission } from '@/lib/section-permissions';
+import { useAuthStore } from '@/stores/auth';
 import UiIcon from '@/components/UiIcon.vue';
 import { UiModal } from '@/components/ui';
 import SmsComposeModal from '@/components/SmsComposeModal.vue';
@@ -25,9 +27,13 @@ type BirthdayMonth = {
   items: BirthdayItem[];
 };
 
+const auth = useAuthStore();
 const data = ref<BirthdayMonth | null>(null);
 const listOpen = ref(false);
 const smsTarget = ref<BirthdayItem | null>(null);
+const canSeeCustomers = computed(() =>
+  hasSectionPermission(auth.user?.role, auth.user?.permissions, 'customers'),
+);
 
 const groups = computed(() => {
   const map = new Map<number, BirthdayItem[]>();
@@ -44,6 +50,10 @@ function openSms(person: BirthdayItem) {
 }
 
 onMounted(async () => {
+  if (!canSeeCustomers.value) {
+    data.value = null;
+    return;
+  }
   try {
     const { data: body } = await api.get<BirthdayMonth>('/people/birthdays');
     data.value = body.total > 0 ? body : null;
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index 4f503b8..935c7eb 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -1324,6 +1324,11 @@ export interface CustomerGroupSummaryDto {
   source?: "manual" | "tahesab";
 }
 
+export interface CustomerGroupAssigneeDto {
+  id: string;
+  fullName: string;
+}
+
 export interface CustomerGroupDto {
   id: string;
   name: string;
@@ -1336,11 +1341,14 @@ export interface CustomerGroupDto {
   /** گروه اصلی؛ خالی یعنی خودش اصلی است */
   parentId?: string | null;
   parentName?: string | null;
+  /** مسئولان گروه (اختیاری) */
+  assignees: CustomerGroupAssigneeDto[];
 }
 
 export interface CreateCustomerGroupRequest {
   name: string;
   color?: CustomerGroupColor;
+  assigneeIds?: string[];
 }
 
 export interface UpdateCustomerGroupRequest {
@@ -1348,6 +1356,8 @@ export interface UpdateCustomerGroupRequest {
   color?: CustomerGroupColor;
   /** null = برداشتن گروه اصلی */
   parentId?: string | null;
+  /** جایگزینی کامل فهرست مسئولان */
+  assigneeIds?: string[];
 }
 
 export interface CompanySummaryDto {