feat: add lendingPlatform field to wallet state

wallets.js

@@ -145,14 +145,15 @@ export class WalletManager {
           signature flow in time. */
        this._wallets = parsed
          .filter((w) => w && typeof w === 'object' && w.address && w.chain)
-         .map((w) => ({
-           address: String(w.address),
-           chain: String(w.chain).toLowerCase(),
-           nickname: w.nickname ? String(w.nickname) : '',
-           isVerified: !!(w.isVerified && w.messageData),
-           signature: w.signature ? String(w.signature) : null,
-           messageData: w.messageData ? w.messageData : null,
-         }))
+        .map((w) => ({
+            address: String(w.address),
+            chain: String(w.chain).toLowerCase(),
+            nickname: w.nickname ? String(w.nickname) : '',
+            lendingPlatform: w.lendingPlatform ? String(w.lendingPlatform).toLowerCase() : 'aave',
+            isVerified: !!(w.isVerified && w.messageData),
+            signature: w.signature ? String(w.signature) : null,
+            messageData: w.messageData ? w.messageData : null,
+          }))
          .filter((w) => {
            /* Non-verification chains (btc, bitcoin, solana) are always kept */
            if (['btc', 'bitcoin', 'solana'].includes(w.chain)) return true;
@@ -196,15 +197,16 @@ export class WalletManager {
     }).map((w) => ({ ...w }));
   }
 
-  /**
+   /**
    * Add a new wallet.  Rejects duplicates (same address+chain).
    *
    * @param {string} address
    * @param {ChainId} chain
    * @param {string} [nickname='']
+   * @param {string} [lendingPlatform='aave']
    * @returns {{ success: true, wallet: TrackedWallet } | { success: false, error: string }}
    */
-  addWallet(address, chain, nickname = '') {
+  addWallet(address, chain, nickname = '', lendingPlatform = 'aave') {
     const normalAddress = String(address).trim();
     const normalChain = String(chain).toLowerCase();
     const normalNickname = String(nickname).trim();
@@ -236,6 +238,7 @@ export class WalletManager {
       address: normalAddress,
       chain: normalChain,
       nickname: normalNickname,
+      lendingPlatform: String(lendingPlatform).toLowerCase(),
       isVerified: false,
       signature: null,
       messageData: null,