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

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

apps/api/src/platform/platform.controller.ts

@@ -23,17 +23,26 @@ import {
 import { PlatformAuthGuard } from './platform-auth.guard';
 import type { PlatformActor } from './platform-jwt.strategy';
 import { PlatformService } from './platform.service';
+import { ConversationsService } from '../conversations/conversations.service';
 
 @Controller('platform')
 @UseGuards(PlatformAuthGuard)
 export class PlatformController {
-  constructor(private readonly platform: PlatformService) {}
+  constructor(
+    private readonly platform: PlatformService,
+    private readonly conversations: ConversationsService,
+  ) {}
 
   @Get('stats')
   stats() {
     return this.platform.stats();
   }
 
+  @Get('conversations/stats')
+  conversationStats() {
+    return this.conversations.platformStats();
+  }
+
   @Get('admins')
   listAdmins() {
     return this.platform.listAdmins();