Add internal org chat (phase 1) with DM, groups, and org settings.

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

apps/api/src/conversations/conversations.module.ts

@@ -0,0 +1,15 @@
+import { Module } from '@nestjs/common';
+import { AuthModule } from '../auth/auth.module';
+import { BillingModule } from '../billing/billing.module';
+import { TahesabModule } from '../integrations/tahesab/tahesab.module';
+import { ChatExternalClient } from './chat-external.client';
+import { ConversationsController } from './conversations.controller';
+import { ConversationsService } from './conversations.service';
+
+@Module({
+  imports: [AuthModule, BillingModule, TahesabModule],
+  controllers: [ConversationsController],
+  providers: [ConversationsService, ChatExternalClient],
+  exports: [ConversationsService],
+})
+export class ConversationsModule {}