Discord community: role sync, announcements webhook, launcher invite

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DjMbLQujBHunCCu5GpsHaT

launcher/src-tauri/src/lib.rs

@@ -57,6 +57,7 @@ pub fn run() {
             commands::discord_sign_in_poll,
             commands::request_password_reset,
             commands::discord_connection,
+            commands::discord_info,
             commands::discord_link_start,
             commands::discord_unlink,
             commands::register_panel,