add global cache

src/thisWorkbook/Master_Z1_222.bas

@@ -151,6 +151,11 @@ Sub Z1_validateButton()
         End If
     Next r
     
+    ' === Refresh Z1 cache after validation passes ===
+    If errorCount = 0 Then
+        Call RefreshZ1Cache
+    End If
+
     MsgBox "Validation complete. Errors: " & errorCount, vbInformation
 End Sub