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/rhi/shader/compile-from-file.md

@@ -0,0 +1,26 @@
+# RHIShader::CompileFromFile
+
+```cpp
+virtual bool CompileFromFile(const wchar_t* filePath, const char* entryPoint, const char* target) = 0;
+```
+
+从文件编译着色器。
+
+**参数：**
+- `filePath` - 着色器源文件路径
+- `entryPoint` - 入口点函数名
+- `target` - 编译目标（如 `"vs_6_0"`, `"ps_6_0"`）
+
+**返回：** 成功返回 `true`，失败返回 `false`
+
+**复杂度：** O(n) - 取决于着色器代码复杂度
+
+**示例：**
+
+```cpp
+shader->CompileFromFile(L"shaders/vertex.hlsl", "main", "vs_6_0");
+```
+
+## 相关文档
+
+- [RHIShader 总览](shader.md) - 返回类总览