feat: Implement real-time message delivery for conversations via WebSocket integration and update admin seed email.

src/messages/messages.controller.ts

@@ -20,6 +20,7 @@ import {
   ApiParam,
 } from '@nestjs/swagger';
 import { MessagesService } from './messages.service';
+import { MessagesGateway } from './messages.gateway';
 import { CreateMessageDto, StartConversationDto } from './dto';
 import { JwtAuthGuard } from '../auth/guards';
 import { CurrentUser } from '../auth/decorators';
@@ -30,7 +31,10 @@ import { UserRole } from '@prisma/client';
 @UseGuards(JwtAuthGuard)
 @ApiBearerAuth('JWT-auth')
 export class MessagesController {
-  constructor(private readonly messagesService: MessagesService) {}
+  constructor(
+    private readonly messagesService: MessagesService,
+    private readonly messagesGateway: MessagesGateway,
+  ) {}
 
   // ==========================================
   // GET CONVERSATIONS LIST
@@ -177,7 +181,23 @@ export class MessagesController {
     @CurrentUser('id') userId: string,
     @Body() dto: CreateMessageDto,
   ) {
-    return this.messagesService.createMessage(conversationId, userId, dto);
+    const message = await this.messagesService.createMessage(conversationId, userId, dto);
+
+    // Broadcast via WebSocket so the other party gets real-time delivery
+    try {
+      const participants = await this.messagesService.getConversationParticipants(conversationId);
+      if (participants) {
+        const otherUserId = userId === participants.userId
+          ? participants.agentUserId
+          : participants.userId;
+        // Send to the other participant's socket(s)
+        this.messagesGateway.sendToUser(otherUserId, 'new_message', message);
+      }
+    } catch {
+      // Socket broadcast failure shouldn't fail the REST response
+    }
+
+    return message;
   }
 
   // ==========================================

src/messages/messages.gateway.ts

@@ -175,13 +175,8 @@ export class MessagesGateway implements OnGatewayConnection, OnGatewayDisconnect
         data.message,
       );
 
-      // Broadcast to other clients in the conversation room (exclude sender)
-      client
-        .to(`conversation:${data.conversationId}`)
-        .emit('new_message', message);
-
-      // Also send directly to the other participant's socket(s)
-      // so they receive the message even if they haven't joined this room
+      // Send directly to the other participant's socket(s)
+      // This is the primary delivery mechanism — works even if they haven't joined the room
       try {
         const participants = await this.messagesService.getConversationParticipants(data.conversationId);
         if (participants) {
@@ -194,6 +189,12 @@ export class MessagesGateway implements OnGatewayConnection, OnGatewayDisconnect
         this.logger.warn(`Failed to get participants for direct delivery in ${data.conversationId}: ${participantError.message}`);
       }
 
+      // Also broadcast to the conversation room as a fallback
+      // (client.to excludes sender; recipients dedup by message ID)
+      client
+        .to(`conversation:${data.conversationId}`)
+        .emit('new_message', message);
+
       return { success: true, message };
     } catch (error) {
       return { error: error.message };