fix: reset keystore entries on wallet wipe

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: ovitrif

app/src/main/java/to/bitkit/data/keychain/AndroidKeyStore.kt

@@ -80,4 +80,10 @@ class AndroidKeyStore(
         val decryptedDataBytes = cipher.doFinal(actualEncryptedData)
         return decryptedDataBytes
     }
+
+    fun deleteEncryptionKey() {
+        if (keyStore.containsAlias(alias)) {
+            keyStore.deleteEntry(alias)
+        }
+    }
 }

app/src/main/java/to/bitkit/data/keychain/Keychain.kt

@@ -96,6 +96,7 @@ class Keychain @Inject constructor(
     suspend fun wipe() {
         val keys = snapshot.asMap().keys
         keychain.edit { it.clear() }
+        keyStore.deleteEncryptionKey()
 
         Logger.info("Deleted all keychain entries: ${keys.joinToString()}")
     }