Use TRAY_MANAGER as new default dashboard interface on macOS

CHANGELOG.md

@@ -57,6 +57,7 @@ Status of the `main` branch. Changes prior to the next official version change w
   - Fix: Serena PyPI version check triggered by callback on main thread could delay agent startup #1774
   - Fix: on macOS, the `tray_manager` interface put an icon in the Dock and in the app switcher
     (should only use menu bar icon)
+  - Use `tray_manager` interface as new default on macOS
 
 * Hooks:
   - Add `serena-hooks --client=grok`, including Grok-native PreToolUse allow/deny output.

src/serena/agent.py

@@ -388,8 +388,7 @@ class DashboardManager:
                 case "Windows":
                     return cls.WEBVIEW
                 case "Darwin":
-                    # TODO: Switch to TRAY_MANAGER once support is tested
-                    return cls.BROWSER
+                    return cls.TRAY_MANAGER
                 case _:
                     return cls.BROWSER