diff --git a/services/platform-service/src/modules/auth/enterprise/routes.ts b/services/platform-service/src/modules/auth/enterprise/routes.ts
index 961d27ed..7a46853b 100644
--- a/services/platform-service/src/modules/auth/enterprise/routes.ts
+++ b/services/platform-service/src/modules/auth/enterprise/routes.ts
@@ -223,6 +223,7 @@ export async function enterpriseRoutes(app: FastifyInstance) {
       role: user.role as string,
       productId: idp.productId,
       plan: (user.plan ?? 'free') as 'free' | 'pro' | 'enterprise',
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({
       sub: user.id,
@@ -332,6 +333,7 @@ export async function enterpriseRoutes(app: FastifyInstance) {
       role: user.role as string,
       productId: idp.productId,
       plan: (user.plan ?? 'free') as 'free' | 'pro' | 'enterprise',
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({
       sub: user.id,
diff --git a/services/platform-service/src/modules/auth/jwt.ts b/services/platform-service/src/modules/auth/jwt.ts
index ceeca2a8..8f12d164 100644
--- a/services/platform-service/src/modules/auth/jwt.ts
+++ b/services/platform-service/src/modules/auth/jwt.ts
@@ -17,6 +17,7 @@ export async function createAccessToken(payload: {
   role: string;
   productId: string;
   plan?: 'free' | 'pro' | 'enterprise';
+  displayName?: string;
 }): Promise<string> {
   return new SignJWT({ ...payload, type: 'access' })
     .setProtectedHeader({ alg: 'HS256' })
@@ -44,6 +45,7 @@ export async function verifyToken(token: string): Promise<{
   role?: string;
   productId?: string;
   plan?: 'free' | 'pro' | 'enterprise';
+  displayName?: string;
   type?: string;
 }> {
   const { payload } = await jwtVerify(token, getSecret(), {
@@ -55,6 +57,7 @@ export async function verifyToken(token: string): Promise<{
     role?: string;
     productId?: string;
     plan?: 'free' | 'pro' | 'enterprise';
+    displayName?: string;
     type?: string;
   };
 }
diff --git a/services/platform-service/src/modules/auth/magic-link/routes.ts b/services/platform-service/src/modules/auth/magic-link/routes.ts
index 355f0f73..3ee3340b 100644
--- a/services/platform-service/src/modules/auth/magic-link/routes.ts
+++ b/services/platform-service/src/modules/auth/magic-link/routes.ts
@@ -121,6 +121,7 @@ export async function magicLinkRoutes(app: FastifyInstance) {
       role: user.role as string,
       productId: user.productId,
       plan: (user.plan ?? 'free') as 'free' | 'pro' | 'enterprise',
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({
       sub: user.id,
diff --git a/services/platform-service/src/modules/auth/oauth/routes.ts b/services/platform-service/src/modules/auth/oauth/routes.ts
index cfe2018a..a0d825f2 100644
--- a/services/platform-service/src/modules/auth/oauth/routes.ts
+++ b/services/platform-service/src/modules/auth/oauth/routes.ts
@@ -175,6 +175,7 @@ export async function oauthRoutes(app: FastifyInstance) {
       role: user.role,
       productId,
       plan: user.plan,
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({ sub: user.id, productId });
 
diff --git a/services/platform-service/src/modules/auth/passkeys/routes.ts b/services/platform-service/src/modules/auth/passkeys/routes.ts
index 6b02b673..8c1c3999 100644
--- a/services/platform-service/src/modules/auth/passkeys/routes.ts
+++ b/services/platform-service/src/modules/auth/passkeys/routes.ts
@@ -247,6 +247,7 @@ export async function passkeyRoutes(app: FastifyInstance) {
       role: user.role,
       productId: body.productId,
       plan: user.plan,
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({ sub: user.id, productId: body.productId });
 
diff --git a/services/platform-service/src/modules/auth/qr-auth/routes.ts b/services/platform-service/src/modules/auth/qr-auth/routes.ts
index 569ad158..559e38c8 100644
--- a/services/platform-service/src/modules/auth/qr-auth/routes.ts
+++ b/services/platform-service/src/modules/auth/qr-auth/routes.ts
@@ -70,6 +70,7 @@ export async function qrAuthRoutes(app: FastifyInstance) {
         role: user.role as 'user' | 'admin' | 'super_admin',
         productId: challenge.productId,
         plan: (user.plan ?? 'free') as 'free' | 'pro' | 'enterprise',
+        displayName: user.displayName,
       });
       const refreshToken = await jwt.createRefreshToken({
         sub: user.id,
diff --git a/services/platform-service/src/modules/auth/routes.ts b/services/platform-service/src/modules/auth/routes.ts
index 77a1eb0e..a0e0bd1d 100644
--- a/services/platform-service/src/modules/auth/routes.ts
+++ b/services/platform-service/src/modules/auth/routes.ts
@@ -272,6 +272,7 @@ export async function authRoutes(app: FastifyInstance) {
       role: user.role,
       productId,
       plan: user.plan,
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({ sub: user.id, productId });
 
@@ -380,6 +381,7 @@ export async function authRoutes(app: FastifyInstance) {
       role: user.role,
       productId,
       plan: user.plan,
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({ sub: user.id, productId });
 
@@ -464,6 +466,7 @@ export async function authRoutes(app: FastifyInstance) {
         role: user.role,
         productId: user.productId,
         plan: user.plan,
+        displayName: user.displayName,
       });
       const refreshToken = await jwt.createRefreshToken({
         sub: user.id,
@@ -679,6 +682,7 @@ export async function authRoutes(app: FastifyInstance) {
       role: user.role,
       productId,
       plan: user.plan,
+      displayName: user.displayName,
     });
     const refreshToken = await jwt.createRefreshToken({ sub: user.id, productId });