App version mismatch handling between frontend and backend (#13368)

https://github.com/user-attachments/assets/d153f177-4d70-4ec6-8693-15413e550938

packages/twenty-server/src/engine/core-modules/client-config/client-config.entity.ts

@@ -108,6 +108,9 @@ class PublicFeatureFlag {
 
 @ObjectType()
 export class ClientConfig {
+  @Field(() => String, { nullable: true })
+  appVersion?: string;
+
   @Field(() => AuthProviders, { nullable: false })
   authProviders: AuthProviders;
 

packages/twenty-server/src/engine/core-modules/client-config/services/client-config.service.spec.ts

@@ -100,6 +100,7 @@ describe('ClientConfigService', () => {
       const result = await service.getClientConfig();
 
       expect(result).toEqual({
+        appVersion: '1.0.0',
         billing: {
           isBillingEnabled: true,
           billingUrl: 'https://billing.example.com',

packages/twenty-server/src/engine/core-modules/client-config/services/client-config.service.ts

@@ -66,6 +66,7 @@ export class ClientConfigService {
     }
 
     const clientConfig: ClientConfig = {
+      appVersion: this.twentyConfigService.get('APP_VERSION'),
       billing: {
         isBillingEnabled: this.twentyConfigService.get('IS_BILLING_ENABLED'),
         billingUrl: this.twentyConfigService.get('BILLING_PLAN_REQUIRED_LINK'),