fix: improve doc link navigation and tree display

- Fix link resolution with proper relative/absolute path handling
- Improve link styling with underline decoration
- Hide leaf nodes from tree, only show directories
- Fix log file path for packaged app

docs/api/threading/thread/getname.md

@@ -0,0 +1,28 @@
+# Thread::GetName
+
+```cpp
+const Containers::String& GetName() const
+```
+
+获取线程的名称。该名称在调用 Start 时设置。
+
+**参数：** 无
+
+**返回：** `const Containers::String&` - 线程名称的引用
+
+**复杂度：** O(1)
+
+**注意：** 在调用 Start 之前返回空字符串。
+
+**示例：**
+
+```cpp
+Thread worker;
+worker.Start([]() {}, "ComputeThread");
+printf("Thread name: %s\n", worker.GetName().CStr());
+worker.Join();
+```
+
+## 相关文档
+
+- [Thread 总览](thread.md) - 返回类总览