docs: 重构 API 文档结构并修正源码准确性

- 重组文档目录结构: 每个模块的概述页移动到模块子目录
- 重命名 index.md 为 main.md
- 修正所有模块文档中的错误:
  - math: FromEuler→FromEulerAngles, TransformDirection 包含缩放, Box 是 OBB, Color::ToRGBA 格式
  - containers: 新增 operator==/!= 文档, 补充 std::hash DJB 算法细节
  - core: 修复 types 链接错误
  - debug: LogLevelToString 返回大写, timestamp 是秒, Profiler 空实现标注, Windows API vs ANSI
  - memory: 修复头文件路径, malloc vs operator new, 新增方法文档
  - resources: 修复 Shader/Texture 链接错误
  - threading: TaskSystem::Wait 空实现标注, ReadWriteLock 重入描述, LambdaTask 链接
- 验证: fix_links.py 确认 0 个断裂引用

docs/api/rhi/opengl/command-list/command-list.md

@@ -0,0 +1,45 @@
+# OpenGLCommandList
+
+**命名空间**: `XCEngine::RHI`
+
+**描述**: OpenGL 命令列表实现，继承自 `RHICommandList`。
+
+## 方法列表
+
+| 方法 | 文档 |
+|------|------|
+| `Shutdown` | [详细文档](../../../threading/task-system/shutdown.md) |
+| `Reset` | [详细文档](../../../resources/resourcehandle/reset.md) |
+| `Close` | [详细文档](../../../core/filewriter/close.md) |
+| `Clear` | [详细文档](../../../memory/linear-allocator/clear.md) |
+| `ClearColor` | [详细文档](clear-color.md) |
+| `ClearDepth` | [详细文档](clear-depth.md) |
+| `ClearStencil` | [详细文档](clear-stencil.md) |
+| `ClearDepthStencil` | [详细文档](clear-depth-stencil.md) |
+| `SetPipelineState` | [详细文档](set-pipeline-state.md) |
+| `SetVertexBuffer` | [详细文档](set-vertex-buffer.md) |
+| `SetVertexBuffers` | [详细文档](set-vertex-buffers.md) |
+| `SetIndexBuffer` | [详细文档](set-index-buffer.md) |
+| `TransitionBarrier` | [详细文档](transition-barrier.md) |
+| `SetPrimitiveTopology` | [详细文档](set-primitive-topology.md) |
+| `SetViewport` | [详细文档](set-viewport.md) |
+| `SetViewports` | [详细文档](set-viewports.md) |
+| `SetScissorRect` | [详细文档](set-scissor-rect.md) |
+| `SetScissorRects` | [详细文档](set-scissor-rects.md) |
+| `SetRenderTargets` | [详细文档](set-render-targets.md) |
+| `SetDepthStencilState` | [详细文档](set-depth-stencil-state.md) |
+| `SetStencilRef` | [详细文档](set-stencil-ref.md) |
+| `SetBlendState` | [详细文档](set-blend-state.md) |
+| `SetBlendFactor` | [详细文档](set-blend-factor.md) |
+| `ClearRenderTarget` | [详细文档](clear-render-target.md) |
+| `ClearDepthStencil` | [详细文档](clear-depth-stencil.md) |
+| `Draw` | [详细文档](draw.md) |
+| `DrawIndexed` | [详细文档](draw-indexed.md) |
+| `Dispatch` | [详细文档](dispatch.md) |
+| `CopyResource` | [详细文档](copy-resource.md) |
+| **OpenGL 特有方法** | [详细文档](opengl-methods.md) |
+
+## 相关文档
+
+- [OpenGL 后端总览](../overview.md)
+- [RHICommandList](../../command-list/command-list.md) - 抽象命令列表接口