修复：完善终端开机及串流交接并接入云管平台

terminal/kiosk-shell/src/transition_overlay.cpp

@@ -4,6 +4,7 @@
 #include <QFont>
 #include <QGuiApplication>
 #include <QLabel>
+#include <QPalette>
 #include <QScreen>
 #include <QTimer>
 #include <QVBoxLayout>
@@ -23,9 +24,18 @@ const char* kSpinnerFrames[] = {"◐", "◓", "◑", "◒"};
 TransitionOverlay::TransitionOverlay(QWidget* parent) : QWidget(parent) {
     // 独立置顶无边框窗口只在启动时映射一次，后续不再与 Moonlight 抢焦点。
     setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint |
-                   Qt::WindowDoesNotAcceptFocus);
+                   Qt::WindowDoesNotAcceptFocus
+#ifdef Q_OS_UNIX
+                   | Qt::X11BypassWindowManagerHint
+#endif
+    );
     setAttribute(Qt::WA_ShowWithoutActivating);
-    setStyleSheet(QStringLiteral("TransitionOverlay { background-color: #000000; }"));
+    // A plain QWidget subclass needs an explicit opaque palette; a type-name
+    // stylesheet alone may leave the native window using its default white.
+    setAutoFillBackground(true);
+    QPalette background = palette();
+    background.setColor(QPalette::Window, QColor(QStringLiteral("#0f1420")));
+    setPalette(background);
 
     auto* layout = new QVBoxLayout(this);
     layout->setSpacing(28);
@@ -82,6 +92,14 @@ void TransitionOverlay::finish() {
 }
 
 void TransitionOverlay::onFirstFrame() {
+    // The exclusive X11 kiosk has no compositor to apply window opacity.
+    // Once the full-screen stream is ready, unmap the opaque cover directly.
+#ifdef Q_OS_UNIX
+    if (QGuiApplication::platformName() == QStringLiteral("xcb")) {
+        finish();
+        return;
+    }
+#endif
     // 首帧已出画：停止动画并淡出；若尚未显示/已在淡出则忽略
     if (!isVisible() || fadeTimer_->isActive()) {
         return;