feat: add identityName to audit log event and enhance identity token response structure

backend/src/ee/services/audit-log/audit-log-types.ts

@@ -1034,6 +1034,7 @@ interface GetTokenIdentityTokenAuthEvent {
   type: EventType.GET_TOKEN_IDENTITY_TOKEN_AUTH;
   metadata: {
     identityId: string;
+    identityName: string;
     tokenId: string;
   };
 }

backend/src/server/routes/v1/identity-token-auth-router.ts

@@ -312,6 +312,9 @@ export const registerIdentityTokenAuthRouter = async (server: FastifyZodProvider
       response: {
         200: z.object({
           accessToken: z.string(),
+          expiresIn: z.coerce.number(),
+          accessTokenMaxTTL: z.coerce.number(),
+          tokenType: z.literal("Bearer"),
           tokenData: IdentityAccessTokensSchema
         })
       }
@@ -342,6 +345,9 @@ export const registerIdentityTokenAuthRouter = async (server: FastifyZodProvider
 
       return {
         accessToken,
+        tokenType: "Bearer" as const,
+        expiresIn: identityTokenAuth.accessTokenTTL,
+        accessTokenMaxTTL: identityTokenAuth.accessTokenMaxTTL,
         tokenData: identityAccessToken
       };
     }
@@ -446,6 +452,7 @@ export const registerIdentityTokenAuthRouter = async (server: FastifyZodProvider
           type: EventType.GET_TOKEN_IDENTITY_TOKEN_AUTH,
           metadata: {
             identityId: token.identityId,
+            identityName: identityMembershipOrg.identity.name,
             tokenId: token.id
           }
         }