fix: use live getter for combo values, works in both LG and Vue mode

Replace onDrawForeground polling with Object.defineProperty getter on
comboWidget.options.values. Every read gets fresh labels from connected
inputs, ensuring the dropdown stays in sync after renames in Vue mode.

src/extensions/core/customWidgets.ts

@@ -142,8 +142,12 @@ function onBranchSelectorCreated(this: LGraphNode) {
       .filter((inp) => inp.connected)
   }
 
+  function getConnectedLabels(): string[] {
+    return getConnectedInputs().map((inp) => inp.label)
+  }
+
   function refreshBranchValues() {
-    const next = getConnectedInputs().map((inp) => inp.label)
+    const next = getConnectedLabels()
     values.splice(0, values.length, ...next)
   }
 
@@ -151,8 +155,25 @@ function onBranchSelectorCreated(this: LGraphNode) {
     values
   })
 
+  // Also expose values as a live getter so Vue dropdowns always read fresh
+  Object.defineProperty(comboWidget.options, 'values', {
+    get: () => {
+      const live = getConnectedLabels()
+      if (
+        live.length !== values.length ||
+        live.some((v, i) => v !== values[i])
+      ) {
+        values.splice(0, values.length, ...live)
+      }
+      return values
+    },
+    configurable: true,
+    enumerable: true
+  })
+
   function syncComboSelection() {
     if (app.configuringGraph) return
+    refreshBranchValues()
     if (values.includes(`${comboWidget.value}`)) return
     comboWidget.value = values[0] ?? ''
     comboWidget.callback?.(comboWidget.value)
@@ -166,25 +187,9 @@ function onBranchSelectorCreated(this: LGraphNode) {
 
   // Refresh on connection changes (add/remove inputs)
   this.onConnectionsChange = useChainCallback(this.onConnectionsChange, () =>
-    requestAnimationFrame(() => {
-      refreshBranchValues()
-      syncComboSelection()
-    })
+    requestAnimationFrame(() => syncComboSelection())
   )
 
-  // Check for label/connection changes on each draw frame
-  let lastSnapshot = ''
-  this.onDrawForeground = useChainCallback(this.onDrawForeground, () => {
-    const current = getConnectedInputs()
-      .map((inp) => `${inp.index}:${inp.label}`)
-      .join('\0')
-    if (current !== lastSnapshot) {
-      lastSnapshot = current
-      refreshBranchValues()
-      syncComboSelection()
-    }
-  })
-
   // Restore renamed labels after configure (autogrow recreates inputs fresh)
   this.onConfigure = useChainCallback(
     this.onConfigure,