feat: 移除D-Bus依赖，改用 lspci 直接检测显卡，重构弹窗UI

- C++ 后端：移除 D-Bus 通信，改用 lspci -mm + /sys/bus/pci 直接检测显卡和驱动
- 新增 gpuSummary、ready 属性，通过 /sys/module 和 /proc/driver 读取驱动版本
- QML：使用 DTK 配色，卡片式布局展示 GPU 列表，每张显卡独立卡片
- 移除安装/测试/取消按钮，聚焦显卡信息展示
- 翻译精简为 5 条，同步 zh_CN / zh_TW

graphicsdriverapplet.h

@@ -6,23 +6,27 @@
 
 #include <applet.h>
 
-#include <QDBusInterface>
-#include <QDBusPendingCallWatcher>
+#include <QString>
+#include <QStringList>
 #include <QTimer>
-#include <QJsonObject>
-#include <QJsonArray>
 
 DS_BEGIN_NAMESPACE
 
+struct GpuInfo {
+    QString name;        // 显卡名称，如 "NVIDIA GeForce RTX 3060"
+    QString driver;      // 驱动模块名，如 "nvidia"
+    QString driverVersion; // 驱动版本
+    QString pciId;       // PCI ID，如 "01:00.0"
+};
+
 class GraphicsDriverApplet : public DApplet
 {
     Q_OBJECT
 
-    Q_PROPERTY(QString currentDriver READ currentDriver NOTIFY currentDriverChanged)
     Q_PROPERTY(QString deviceInfo READ deviceInfo NOTIFY deviceInfoChanged)
-    Q_PROPERTY(int installProgress READ installProgress NOTIFY installProgressChanged)
-    Q_PROPERTY(bool isInstalling READ isInstalling NOTIFY isInstallingChanged)
-    Q_PROPERTY(bool dbusAvailable READ dbusAvailable NOTIFY dbusAvailableChanged)
+    Q_PROPERTY(QString currentDriver READ currentDriver NOTIFY currentDriverChanged)
+    Q_PROPERTY(QString gpuSummary READ gpuSummary NOTIFY gpuSummaryChanged)
+    Q_PROPERTY(bool ready READ ready NOTIFY readyChanged)
 
 public:
     explicit GraphicsDriverApplet(QObject *parent = nullptr);
@@ -31,45 +35,30 @@ public:
     virtual bool load() override;
     virtual bool init() override;
 
-    QString currentDriver() const;
     QString deviceInfo() const;
-    int installProgress() const;
-    bool isInstalling() const;
-    bool dbusAvailable() const;
+    QString currentDriver() const;
+    QString gpuSummary() const;
+    bool ready() const;
 
     Q_INVOKABLE void refreshDeviceInfo();
-    Q_INVOKABLE void prepareInstall(const QString &driverName);
-    Q_INVOKABLE void testInstall();
-    Q_INVOKABLE void realInstall();
-    Q_INVOKABLE void cancelInstall();
 
 signals:
-    void currentDriverChanged();
     void deviceInfoChanged();
-    void installProgressChanged();
-    void isInstallingChanged();
-    void installSuccess();
-    void installFailed(const QString &error);
-    void requestReboot();
-    void dbusAvailableChanged();
-
-private slots:
-    void onGetDeviceReply(QDBusPendingCallWatcher *call);
-    void onGetCurrDriverReply(QDBusPendingCallWatcher *call);
-    void onReportProgress(const QString &ratio);
+    void currentDriverChanged();
+    void gpuSummaryChanged();
+    void readyChanged();
 
 private:
-    void initDBusConnection();
-    void setInstalling(bool installing);
+    void detectGpus();
+    static QStringList runCommand(const QString &cmd, const QStringList &args);
+    static QString parseGpuName(const QString &line);
+    static QString readDriverVersion(const QString &driverName);
 
-    QDBusInterface *m_dbusInterface;
-    QTimer *m_progressTimer;
-    bool m_dbusAvailable;
-
-    QString m_currentDriver;
+    QList<GpuInfo> m_gpus;
     QString m_deviceInfo;
-    int m_installProgress;
-    bool m_isInstalling;
+    QString m_currentDriver;
+    QString m_gpuSummary;
+    bool m_ready;
 };
 
 DS_END_NAMESPACE