Add basic personalizatoin (#868)

apps/sim/app/api/copilot/chat/route.ts

@@ -1,6 +1,7 @@
 import { and, desc, eq } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
+import { getSession } from '@/lib/auth'
 import {
   authenticateCopilotRequestSessionOnly,
   createBadRequestResponse,
@@ -125,14 +126,15 @@ export async function POST(req: NextRequest) {
   const tracker = createRequestTracker()
 
   try {
-    // Authenticate user using consolidated helper
-    const { userId: authenticatedUserId, isAuthenticated } =
-      await authenticateCopilotRequestSessionOnly()
+    // Get session to access user information including name
+    const session = await getSession()
 
-    if (!isAuthenticated || !authenticatedUserId) {
+    if (!session?.user?.id) {
       return createUnauthorizedResponse()
     }
 
+    const authenticatedUserId = session.user.id
+
     const body = await req.json()
     const {
       message,
@@ -242,6 +244,7 @@ export async function POST(req: NextRequest) {
         stream: stream,
         streamToolCalls: true,
         mode: mode,
+        ...(createNewChat && session?.user?.name && { userName: session.user.name }),
       }),
     })