feat: 添加GPU切换模式检测和主副显标识

- C++后端：GpuInfo添加isPrimary字段，读取boot_vga判断主副显
- C++后端：detectGpuMode()检测PRIME/Bumblebee/Solo/Hybrid模式
- C++后端：新增gpuMode和gpuPrimary属性
- QML前端：卡片显示绿色主显标签（boot_vga=1的GPU）
- QML前端：弹窗显示GPU模式标签(PRIME等)和帮助图标
- 帮助图标悬停显示模式说明文字
- 翻译更新：主显/主顯 + 四种模式的中文说明

translations/org.deepin.ds.graphics-driver_zh_CN.ts

@@ -43,5 +43,30 @@
         <source>Version: </source>
         <translation>版本号：</translation>
     </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Primary</source>
+        <translation>主显</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>PRIME mode: the integrated GPU handles display, the discrete GPU renders on demand. 3D apps use PRIME Render Offload to invoke the discrete GPU.</source>
+        <translation>PRIME 模式：核显负责日常显示，独显按需渲染。运行 3D 应用时通过 PRIME Render Offload 调用独显。</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Bumblebee mode: a legacy dual-GPU solution, now deprecated.</source>
+        <translation>Bumblebee 模式：旧版双 GPU 方案，已淘汰。</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Solo mode: only one GPU detected.</source>
+        <translation>Solo 模式：仅检测到一块 GPU。</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Hybrid mode: dual GPU detected, but no known switching solution found.</source>
+        <translation>Hybrid 模式：检测到双 GPU，但未发现已知切换方案。</translation>
+    </message>
 </context>
 </TS>

translations/org.deepin.ds.graphics-driver_zh_TW.ts

@@ -43,5 +43,30 @@
         <source>Version: </source>
         <translation>版本號：</translation>
     </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Primary</source>
+        <translation>主顯</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>PRIME mode: the integrated GPU handles display, the discrete GPU renders on demand. 3D apps use PRIME Render Offload to invoke the discrete GPU.</source>
+        <translation>PRIME 模式：核顯負責日常顯示，獨顯按需渲染。運行 3D 應用時通過 PRIME Render Offload 調用獨顯。</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Bumblebee mode: a legacy dual-GPU solution, now deprecated.</source>
+        <translation>Bumblebee 模式：舊版雙 GPU 方案，已淘汰。</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Solo mode: only one GPU detected.</source>
+        <translation>Solo 模式：僅偵測到一塊 GPU。</translation>
+    </message>
+    <message>
+        <location filename="../package/driverview.qml"/>
+        <source>Hybrid mode: dual GPU detected, but no known switching solution found.</source>
+        <translation>Hybrid 模式：偵測到雙 GPU，但未發現已知切換方案。</translation>
+    </message>
 </context>
 </TS>