feat: Update SAL Vault examples and documentation

- Renamed examples directory to `_archive` to reflect legacy status.
- Updated README.md to reflect current status of vault module,
  including migration from Sameh's implementation to Lee's.
- Temporarily disabled Rhai scripting integration for the vault.
- Added notes regarding current and future development steps.

examples/hero_vault/_archive/agung_send_transaction.rhai

@@ -0,0 +1,104 @@
+// Script to create an Agung wallet from a private key and send tokens
+// This script demonstrates how to create a wallet from a private key and send tokens
+
+// Define the private key and recipient address
+let private_key = "0x9ecfd58eca522b0e7c109bf945966ee208cd6d593b1dc3378aedfdc60b64f512";
+let recipient_address = "0xf400f9c3F7317e19523a5DB698Ce67e7a7E083e2";
+
+print("=== Agung Wallet Transaction Demo ===");
+print(`From private key: ${private_key}`);
+print(`To address: ${recipient_address}`);
+
+// First, create a key space and keypair (required for the wallet infrastructure)
+let space_name = "agung_transaction_demo";
+let password = "demo_password";
+
+// Create a new key space
+if !create_key_space(space_name, password) {
+    print("Failed to create key space");
+    return;
+}
+
+// Create a keypair
+if !create_keypair("demo_keypair", password) {
+    print("Failed to create keypair");
+    return;
+}
+
+// Select the keypair
+if !select_keypair("demo_keypair") {
+    print("Failed to select keypair");
+    return;
+}
+
+print("\nCreated and selected keypair successfully");
+
+// Clear any existing Agung wallets to avoid conflicts
+if clear_wallets_for_network("agung") {
+    print("Cleared existing Agung wallets");
+} else {
+    print("Failed to clear existing Agung wallets");
+    return;
+}
+
+// Create a wallet from the private key directly
+print("\n=== Creating Wallet from Private Key ===");
+
+// Create a wallet from the private key for the Agung network
+if create_wallet_from_private_key_for_network(private_key, "agung") {
+    print("Successfully created wallet from private key for Agung network");
+    
+    // Get the wallet address
+    let wallet_address = get_wallet_address_for_network("agung");
+    print(`Wallet address: ${wallet_address}`);
+    
+    // Create a provider for the Agung network
+    let provider_id = create_agung_provider();
+    if provider_id != "" {
+        print("Successfully created Agung provider");
+        
+        // Check the wallet balance first
+        let wallet_address = get_wallet_address_for_network("agung");
+        let balance_wei = get_balance("agung", wallet_address);
+        
+        if balance_wei == "" {
+            print("Failed to get wallet balance");
+            print("This could be due to network issues or other errors.");
+            return;
+        }
+        
+        print(`Current wallet balance: ${balance_wei} wei`);
+        
+        // Convert 1 AGNG to wei (1 AGNG = 10^18 wei)
+        // Use string representation for large numbers
+        let amount_wei_str = "1000000000000000000"; // 1 AGNG in wei as a string
+        
+        // Check if we have enough balance
+        if parse_int(balance_wei) < parse_int(amount_wei_str) {
+            print(`Insufficient balance to send ${amount_wei_str} wei (1 AGNG)`);
+            print(`Current balance: ${balance_wei} wei`);
+            print("Please fund the wallet before attempting to send a transaction");
+            return;
+        }
+        
+        print(`Attempting to send ${amount_wei_str} wei (1 AGNG) to ${recipient_address}`);
+        
+        // Send the transaction using the blocking implementation
+        let tx_hash = send_eth("agung", recipient_address, amount_wei_str);
+        
+        if tx_hash != "" {
+            print(`Transaction sent with hash: ${tx_hash}`);
+            print(`You can view the transaction at: ${get_network_explorer_url("agung")}/tx/${tx_hash}`);
+        } else {
+            print("Transaction failed");
+            print("This could be due to insufficient funds, network issues, or other errors.");
+            print("Check the logs for more details.");
+        }
+    } else {
+        print("Failed to create Agung provider");
+    }
+} else {
+    print("Failed to create wallet from private key");
+}
+
+print("\nAgung transaction demo completed");