✨ feat(launcher): add result item hover selection and mouse navigation support

test_mouse_navigation.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+"""
+Test script to verify mouse navigation works in the launcher.
+"""
+
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+from modules.launcher.main import Launcher
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk, GLib
+
+def test_mouse_navigation():
+    """Test mouse navigation functionality."""
+    print("Testing mouse navigation in launcher...")
+    
+    # Create launcher instance
+    launcher = Launcher()
+    
+    # Show launcher with a trigger to get some results
+    launcher.show_launcher("app")
+    
+    print("Launcher opened with 'app' trigger")
+    print("You should be able to:")
+    print("1. Hover over result items to see selection change (without scrolling)")
+    print("2. Click on result items to activate them")
+    print("3. Use keyboard navigation (arrow keys) which should scroll")
+    print("Press Ctrl+C to exit test")
+    
+    try:
+        Gtk.main()
+    except KeyboardInterrupt:
+        print("\nTest completed!")
+        launcher.close_launcher()
+
+if __name__ == "__main__":
+    test_mouse_navigation()