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/getcurrentid.md

@@ -0,0 +1,30 @@
+# Thread::GetCurrentId
+
+```cpp
+static Id GetCurrentId()
+```
+
+获取当前执行线程的唯一标识符。这是一个静态方法，可以在任何线程上下文中调用。
+
+**参数：** 无
+
+**返回：** `Thread::Id` - 当前执行线程的唯一标识符
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Thread worker;
+worker.Start([]() {
+    printf("Worker thread id: %llu\n", (unsigned long long)Thread::GetCurrentId());
+}, "WorkerThread");
+
+printf("Main thread id: %llu\n", (unsigned long long)Thread::GetCurrentId());
+worker.Join();
+```
+
+## 相关文档
+
+- [Thread 总览](thread.md) - 返回类总览
+- [GetId](getid.md) - 获取 Thread 对象的 ID