fix: stabilize hidden-window hotkey polling

Ariver

2026-05-18 ca0d8f786a86122e742914b58a4a0eacded64b61

 VoiceSnapGo/app.go

@@ -27,7 +27,7 @@

const (
   appVersion        = "2.1.1"
   appBuild          = "20260518.0211"
   appBuild          = "20260518.0230"
   appDisplayVersion = appVersion + " (build " + appBuild + ")"
   appName           = "VoiceSnap"