fix: enable official desktop browser integration settings

Return Bitwarden's desktop-ui-settings-dialog feature state so supported desktop clients use the official settings dialog with browser integration controls.

Fixes #315

src/config-response.ts

@@ -0,0 +1,52 @@
+import { LIMITS } from './config/limits';
+
+function buildIconServiceTemplate(origin: string): string {
+  return `${origin}/icons/{}/icon.png`;
+}
+
+function buildIconServiceCsp(origin: string): string {
+  return `img-src 'self' data: ${origin}`;
+}
+
+export function buildConfigResponse(origin: string) {
+  const fillAssistBase = `${origin}/fill-assist/`;
+  return {
+    version: LIMITS.compatibility.bitwardenServerVersion,
+    gitHash: 'nodewarden',
+    server: null,
+    environment: {
+      cloudRegion: 'self-hosted',
+      vault: origin,
+      api: origin + '/api',
+      identity: origin + '/identity',
+      notifications: origin + '/notifications',
+      icons: origin,
+      sso: '',
+      fillAssistRules: fillAssistBase,
+    },
+    push: {
+      pushTechnology: 0,
+      vapidPublicKey: null,
+    },
+    communication: null,
+    settings: {
+      disableUserRegistration: false,
+    },
+    _icon_service_url: buildIconServiceTemplate(origin),
+    _icon_service_csp: buildIconServiceCsp(origin),
+    featureStates: {
+      'cipher-key-encryption': LIMITS.compatibility.cipherKeyEncryptionFeatureEnabled,
+      'desktop-ui-settings-dialog': true,
+      'duo-redirect': true,
+      'email-verification': true,
+      'fill-assist-targeting-rules': true,
+      'pm-19051-send-email-verification': false,
+      'pm-19148-innovation-archive': true,
+      'pm-4516-devices-add-last-activity-date': true,
+      'pm-30529-webauthn-related-origins': true,
+      'unauth-ui-refresh': true,
+      'web-push': false,
+    },
+    object: 'config',
+  };
+}

src/router-public.ts

@@ -36,6 +36,7 @@ import { jsonResponse, unsupportedResponse } from './utils/response';
 import { StorageService } from './services/storage';
 import type { Env } from './types';
 import { getConfiguredWebAuthnAllowedOrigins } from './utils/origins';
+import { buildConfigResponse } from './config-response';
 
 type PublicRateLimiter = (category?: string, maxRequests?: number) => Promise<Response | null>;
 type JwtUnsafeReason = 'missing' | 'too_short' | null;
@@ -95,60 +96,6 @@ function handleMissingWebsiteIcon(): Response {
   });
 }
 
-function buildIconServiceBase(origin: string): string {
-  return `${origin}/icons`;
-}
-
-function buildIconServiceTemplate(origin: string): string {
-  return `${buildIconServiceBase(origin)}/{}/icon.png`;
-}
-
-function buildIconServiceCsp(origin: string): string {
-  return `img-src 'self' data: ${origin}`;
-}
-
-function buildConfigResponse(origin: string) {
-  const fillAssistBase = `${origin}/fill-assist/`;
-  return {
-    version: LIMITS.compatibility.bitwardenServerVersion,
-    gitHash: 'nodewarden',
-    server: null,
-    environment: {
-      cloudRegion: 'self-hosted',
-      vault: origin,
-      api: origin + '/api',
-      identity: origin + '/identity',
-      notifications: origin + '/notifications',
-      icons: origin,
-      sso: '',
-      fillAssistRules: fillAssistBase,
-    },
-    push: {
-      pushTechnology: 0,
-      vapidPublicKey: null,
-    },
-    communication: null,
-    settings: {
-      disableUserRegistration: false,
-    },
-    _icon_service_url: buildIconServiceTemplate(origin),
-    _icon_service_csp: buildIconServiceCsp(origin),
-    featureStates: {
-      'cipher-key-encryption': LIMITS.compatibility.cipherKeyEncryptionFeatureEnabled,
-      'duo-redirect': true,
-      'email-verification': true,
-      'fill-assist-targeting-rules': true,
-      'pm-19051-send-email-verification': false,
-      'pm-19148-innovation-archive': true,
-      'pm-4516-devices-add-last-activity-date': true,
-      'pm-30529-webauthn-related-origins': true,
-      'unauth-ui-refresh': true,
-      'web-push': false,
-    },
-    object: 'config',
-  };
-}
-
 function normalizeIconHost(rawHost: string): string | null {
   let decoded: string;
   try {