fix: improve doc link navigation and tree display

- Fix link resolution with proper relative/absolute path handling
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- Hide leaf nodes from tree, only show directories
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docs/api/rhi/swap-chain/set-should-close.md

@@ -0,0 +1,20 @@
+# RHISwapChain::SetShouldClose
+
+```cpp
+virtual void SetShouldClose(bool shouldClose) = 0;
+```
+
+设置交换链关闭标志。
+
+**参数：**
+- `shouldClose` - 是否应该关闭
+
+**示例：**
+
+```cpp
+swapChain->SetShouldClose(true);
+```
+
+## 相关文档
+
+- [RHISwapChain 总览](swap-chain.md) - 返回类总览