[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_darwin.go

@@ -0,0 +1,42 @@
+//go:build darwin
+
+package services
+
+/*
+#cgo CFLAGS: -x objective-c
+#cgo LDFLAGS: -framework Foundation -framework Cocoa -framework AppKit
+#import <Cocoa/Cocoa.h>
+#import <AppKit/AppKit.h>
+
+typedef struct CursorPoint {
+    int x;
+    int y;
+    int ok;
+} CursorPoint;
+
+// NSEvent.mouseLocation is Y-up from primary's bottom-left; flip against
+// the primary's frame height so the point matches Wails' Y-down Screen.Bounds.
+CursorPoint nbGetCursorPos(void) {
+    CursorPoint p = {0, 0, 0};
+    NSArray<NSScreen *> *screens = [NSScreen screens];
+    if (screens == nil || screens.count == 0) return p;
+    NSScreen *primary = [screens firstObject];
+    if (primary == nil) return p;
+    NSPoint loc = [NSEvent mouseLocation];
+    p.x = (int)loc.x;
+    p.y = (int)(primary.frame.size.height - loc.y);
+    p.ok = 1;
+    return p;
+}
+*/
+import "C"
+
+import "github.com/wailsapp/wails/v3/pkg/application"
+
+func getCursorPosition(_ *application.App) (application.Point, bool) {
+	res := C.nbGetCursorPos()
+	if res.ok == 0 {
+		return application.Point{}, false
+	}
+	return application.Point{X: int(res.x), Y: int(res.y)}, true
+}