debug: enable NostrConnectSigner logging to diagnose decrypt hang

- Add detailed logging for signer subscription opening
- Enable debug logs for NostrConnectSigner via localStorage
- This will show if requests are being sent and responses received
- Helps diagnose why decrypt requests hang indefinitely

src/App.tsx

@@ -195,6 +195,11 @@ function App() {
       NostrConnectSigner.pool = pool
       pool.group(RELAYS)
       
+      // Enable debug logging for NostrConnectSigner
+      if (typeof localStorage !== 'undefined') {
+        localStorage.setItem('debug', '*NostrConnectSigner*')
+      }
+      
       // Load persisted accounts from localStorage
       try {
         const accountsJson = localStorage.getItem('accounts')

src/services/nostrConnect.ts

@@ -67,11 +67,16 @@ export async function reconnectBunkerSigner(
   
   // Open signer subscription if not already listening
   if (!account.signer.listening) {
+    console.log('[bunker] Opening signer subscription for NIP-46 responses...')
     await account.signer.open()
+    console.log('[bunker] ✅ Signer subscription active, listening for bunker responses')
+  } else {
+    console.log('[bunker] Signer already listening')
   }
   
   // Mark as connected (bunker remembers permissions from initial connection)
   account.signer.isConnected = true
+  console.log('[bunker] Signer marked as connected, ready for signing/decryption')
   
   // Expose nip04/nip44 at account level for compatibility
   // This allows bookmark decryption to work without accessing account.signer