fix: improve doc link navigation and tree display

- Fix link resolution with proper relative/absolute path handling
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- Fix log file path for packaged app

docs/api/threading/task-system/getworkerthreadcount.md

@@ -0,0 +1,25 @@
+# TaskSystem::GetWorkerThreadCount
+
+```cpp
+uint32_t GetWorkerThreadCount() const
+```
+
+获取工作线程的数量。
+
+**参数：** 无
+
+**返回：** `uint32_t` - 工作线程数量
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+TaskSystem::Get().Initialize(config);
+uint32_t count = TaskSystem::Get().GetWorkerThreadCount();
+printf("Worker threads: %u\n", count);
+```
+
+## 相关文档
+
+- [TaskSystem 总览](task-system.md) - 返回类总览