diff --git a/Electrum.sqlite-journal b/Electrum.sqlite-journal
deleted file mode 100644
index b7c7941..0000000
Binary files a/Electrum.sqlite-journal and /dev/null differ
diff --git a/src/tui/screens/ActionWizard.tsx b/src/tui/screens/ActionWizard.tsx
index de815bc..04291ed 100644
--- a/src/tui/screens/ActionWizard.tsx
+++ b/src/tui/screens/ActionWizard.tsx
@@ -294,13 +294,19 @@ export function ActionWizardScreen(): React.ReactElement {
 
       // Add variables if any
       if (variables.length > 0) {
-        const variableData = variables.map(v => ({
-          variableIdentifier: v.id,
-          roleIdentifier: roleIdentifier,
-          value: v.type === 'number' || v.type === 'satoshis' 
-            ? BigInt(v.value || '0') 
-            : v.value,
-        }));
+        const variableData = variables.map(v => {
+          // Determine if this is a numeric type that should be BigInt
+          // Template types include: 'integer', 'number', 'satoshis'
+          // Hints include: 'satoshis', 'amount'
+          const isNumeric = ['integer', 'number', 'satoshis'].includes(v.type) ||
+                           (v.hint && ['satoshis', 'amount'].includes(v.hint));
+          
+          return {
+            variableIdentifier: v.id,
+            roleIdentifier: roleIdentifier,
+            value: isNumeric ? BigInt(v.value || '0') : v.value,
+          };
+        });
         const updated = await invitationController.addVariables(invId, variableData);
         inv = updated.invitation;
       }
@@ -313,11 +319,13 @@ export function ActionWizardScreen(): React.ReactElement {
       if (transaction?.outputs && transaction.outputs.length > 0) {
         setStatus('Adding required outputs...');
         
-        // Add each required output with its identifier
+        // Add each required output with just its identifier
+        // IMPORTANT: Do NOT pass roleIdentifier here - if roleIdentifier is set,
+        // the engine skips generating the lockingBytecode (see engine.ts appendInvitation)
         // The engine will automatically generate the locking bytecode based on the template
         const outputsToAdd = transaction.outputs.map((outputId: string) => ({
           outputIdentifier: outputId,
-          roleIdentifier: roleIdentifier,
+          // Note: roleIdentifier intentionally omitted to trigger lockingBytecode generation
         }));
         
         const updated = await invitationController.addOutputs(invId, outputsToAdd);