feat: full WSL2 audio support and Windows audio stability fix

cmd/tui/noise_other.go

@@ -0,0 +1,12 @@
+//go:build !linux
+
+package main
+
+import (
+	"os"
+)
+
+func redirectStderr(f *os.File) {
+	// No-op on other platforms for now
+	// Windows doesn't have the ALSA noise problem
+}