Добавить SAWD-v1 и Arweave-кошелек в UI

shine-UI/js/services/solana-wallet-service.js

@@ -1,4 +1,5 @@
-import { base64ToBytes, deriveEd25519FromPassword } from './crypto-utils.js';
+import { deriveEd25519FromPassword } from './crypto-utils.js';
+import { extractDeviceKey32FromStoredValue } from './device-key-utils.js';
 import { loadEncryptedUserSecrets } from './key-vault.js';
 
 const DEFAULT_SOLANA_ENDPOINT = 'https://api.devnet.solana.com';
@@ -19,15 +20,9 @@ async function loadSolanaLib() {
   return solanaLibPromise;
 }
 
-function extractSeed32FromPkcs8B64(pkcs8B64) {
-  const bytes = base64ToBytes(String(pkcs8B64 || '').trim());
-  if (bytes.length < 32) throw new Error('Некорректный PKCS8 ключ device.key');
-  return bytes.slice(bytes.length - 32);
-}
-
 async function keypairFromPkcs8(pkcs8B64) {
   const solana = await loadSolanaLib();
-  const seed32 = extractSeed32FromPkcs8B64(pkcs8B64);
+  const seed32 = extractDeviceKey32FromStoredValue(pkcs8B64);
   return solana.Keypair.fromSeed(seed32);
 }
 
@@ -123,4 +118,3 @@ export function formatSol(value, digits = 6) {
 export function getTopupSiteUrl() {
   return TOPUP_SITE_URL;
 }
-