fix(sdk): link dev UI to workspace application detail page (#20849)

sdk handle auth of one workspace per session -- but server could be
configured as multi or single -- hence for multi get subdomain -- and
for single the localhost fallback!
also: link includes applicationId so it opens the app detail page
directly (not the list)

## QA
multi workspace flag on -

<img width="2996" height="1712" alt="CleanShot 2026-05-22 at 18 21
31@2x"
src="https://github.com/user-attachments/assets/8499b9f3-b22e-45e2-8b97-4b27fadc3c94"
/>

multi workspace flag off - 

<img width="3012" height="1734" alt="CleanShot 2026-05-22 at 18 14
37@2x"
src="https://github.com/user-attachments/assets/3af2f492-5e2d-4a4b-8251-c3343d79ae9e"
/>

packages/twenty-sdk/src/cli/utilities/dev/orchestrator/dev-mode-orchestrator-state.ts

@@ -123,9 +123,8 @@ export class OrchestratorState {
   private eventIdCounter = 0;
   onChange?: () => void;
 
-  constructor(options: { appPath: string; frontendUrl?: string }) {
+  constructor(options: { appPath: string }) {
     this.appPath = options.appPath;
-    this.frontendUrl = options.frontendUrl;
 
     this.previousObjectsFieldsFingerprint = null;
 

packages/twenty-sdk/src/cli/utilities/dev/orchestrator/steps/check-server-orchestrator-step.ts

@@ -2,6 +2,7 @@ import { type ApiService } from '@/cli/utilities/api/api-service';
 import { ConfigService } from '@/cli/utilities/config/config-service';
 import { type OrchestratorState } from '@/cli/utilities/dev/orchestrator/dev-mode-orchestrator-state';
 import { detectLocalServer } from '@/cli/utilities/server/detect-local-server';
+import { isDefined } from 'twenty-shared/utils';
 
 export type CheckServerOrchestratorStepOutput = {
   isReady: boolean;
@@ -88,6 +89,14 @@ export class CheckServerOrchestratorStep {
     step.output = { isReady: true, errorLogged: false };
     step.status = 'done';
 
+    if (!isDefined(this.state.frontendUrl)) {
+      const frontendUrl = await this.apiService.getWorkspaceFrontendUrl();
+
+      if (isDefined(frontendUrl)) {
+        this.state.frontendUrl = frontendUrl;
+      }
+    }
+
     if (!wasReady) {
       this.notify();
     }

packages/twenty-sdk/src/cli/utilities/dev/ui/dev-ui-constants.ts

@@ -7,6 +7,7 @@ import {
   type OrchestratorStateEntityInfo,
 } from '@/cli/utilities/dev/orchestrator/dev-mode-orchestrator-state';
 import { SyncableEntity } from 'twenty-shared/application';
+import { isDefined } from 'twenty-shared/utils';
 
 export type DevUiStatus =
   | 'idle'
@@ -157,14 +158,13 @@ export const groupEntitiesByType = (
 };
 
 export const getApplicationUrl = (state: OrchestratorState): string | null => {
-  if (
-    !state.frontendUrl ||
-    !state.steps.resolveApplication.output.universalIdentifier
-  ) {
+  const applicationId = state.steps.resolveApplication.output.applicationId;
+
+  if (!isDefined(state.frontendUrl) || !isDefined(applicationId)) {
     return null;
   }
 
-  return `${state.frontendUrl}/settings/applications`;
+  return `${state.frontendUrl}/settings/applications/${applicationId}`;
 };
 
 export const mergeStepStatuses = (