fix: align API responses with Bitwarden 2026.7 clients

src/config-response.ts

@@ -31,6 +31,7 @@ export function buildConfigResponse(origin: string) {
     communication: null,
     settings: {
       disableUserRegistration: false,
+      suppressOnboardingInterstitials: false,
     },
     _icon_service_url: buildIconServiceTemplate(origin),
     _icon_service_csp: buildIconServiceCsp(origin),

src/config/limits.ts

@@ -156,7 +156,9 @@
   compatibility: {
     // Single source of truth for /config.version and /api/version.
     // /config.version 与 /api/version 的统一版本号来源。
-    bitwardenServerVersion: '2026.4.1',
+    // Vaultwarden 1.37.0 advertises 2026.6.0 after aligning its API response
+    // with the response contract required by Bitwarden 2026.7.x clients.
+    bitwardenServerVersion: '2026.6.0',
     // Official 2026.4.x clients need this flag to receive and use cipher.key.
     // Hiding existing item keys makes item-key encrypted vault data unreadable.
     // 官方 2026.4.x 客户端需要该开关来接收并使用 cipher.key。

src/handlers/identity.ts

@@ -206,6 +206,16 @@ function buildPreloginResponse(
     kdfIterations,
     kdfMemory,
     kdfParallelism,
+    // Current official servers expose the consolidated KDF model alongside
+    // the legacy flat fields. Keep both shapes while clients migrate.
+    kdfSettings: {
+      kdfType,
+      iterations: kdfIterations,
+      memory: kdfMemory,
+      parallelism: kdfParallelism,
+    },
+    salt: null,
+    // Preserve the historic NodeWarden aliases for older integrations.
     KdfSettings: {
       KdfType: kdfType,
       Iterations: kdfIterations,

src/utils/user-decryption.ts

@@ -17,8 +17,12 @@ export function buildAccountKeys(user: Pick<User, 'privateKey' | 'publicKey'>):
       wrappedPrivateKey: user.privateKey,
       publicKey,
       signedPublicKey: null,
+      object: 'publicKeyEncryptionKeyPair',
       Object: 'publicKeyEncryptionKeyPair',
     },
+    securityState: null,
+    signatureKeyPair: null,
+    object: 'privateKeys',
     Object: 'privateKeys',
   };
 }