fix: align API responses with Bitwarden 2026.7 clients

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',
   };
 }