[client] UI refactor (#6069)

Refactor UI

---------

Co-authored-by: Eduard Gert <kontakt@eduardgert.de>
Co-authored-by: braginini <bangvalo@gmail.com>
Co-authored-by: Pascal Fischer <32096965+pascal-fischer@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: riccardom <riccardomanfrin@gmail.com>

client/ui/services/cursor_windows.go

@@ -0,0 +1,17 @@
+//go:build windows
+
+package services
+
+import (
+	"github.com/wailsapp/wails/v3/pkg/application"
+	"github.com/wailsapp/wails/v3/pkg/w32"
+)
+
+func getCursorPosition(app *application.App) (application.Point, bool) {
+	x, y, ok := w32.GetCursorPos()
+	if !ok || app == nil || app.Screen == nil {
+		return application.Point{}, false
+	}
+	// GetCursorPos is in physical pixels; Screen.Bounds is in DIPs.
+	return app.Screen.PhysicalToDipPoint(application.Point{X: x, Y: y}), true
+}