feat: ImGui docking Editor + 显示链/帧同步/输入语义重构

- App/editor: Hierarchy/Inspector/Viewport/Stats 四面板 + DockBuilder 默认布局，main.cpp 瘦身为场景搭建与生命周期
- 显示链: Tonemap→PresentTarget 经 ImGui::Image 呈现（零色偏），backbuffer 仅承载 ImGui；Direct/Viewport 双显示模式 + 面板分辨率上报
- 帧首同步 BeginFrameSync: resize/vsync/尺寸/模式意图统一帧首落定（修描述符悬垂）；修复 vsync 意图未落 swapchain 导致的每帧重建交换链
- 输入: Editor 每帧判定键盘/鼠标归属（打字让位、Viewport hover/focus 放行、Fullscreen 全放行）
- 材质: roughness 独立槽位 + 非 glTF 金属/粗糙贴图映射；透明队列 depthWrite=FALSE + translucent 独立 shader + scratch 清帧
- FBX: 非蒙皮网格烘焙节点链全局变换（Z-up 旋转/单位换算落顶点）
- Hierarchy 行 ImGui ID 以 UUID 作用域（重名不冲突、改名不丢选中）

Engine/src/RenderGraph/RenderGraph.cpp

@@ -7,6 +7,7 @@
 #include <Engine/Core/Log.h>
 
 #include <algorithm>
+#include <ranges>
 #include <set>
 #include <stdexcept>
 
@@ -41,8 +42,8 @@ namespace Engine::RG {
         ReleasePhysical();
 
         const auto& vkDevice = m_Device.GetDevice();
-        for (auto& [key, images] : m_Pool) {
-            for (auto& img : images) {
+        for (auto &images: m_Pool | std::views::values) {
+            for (const auto& img : images) {
                 if (!img->valid) continue;
                 vkDevice.destroyImageView(img->view);
                 m_Allocator.Destroy(img->allocation);   // image 资源与显存成对释放
@@ -57,7 +58,7 @@ namespace Engine::RG {
     {
         CheckMutable();
 
-        TextureHandle h{static_cast<u32>(m_Textures.size()), 1};
+        const TextureHandle h{static_cast<u32>(m_Textures.size()), 1};
 
         TextureEntry entry;
         entry.name = std::move(name);
@@ -101,6 +102,15 @@ namespace Engine::RG {
         entry.importedView = view;
     }
 
+    void RenderGraph::SetImportedExtent(TextureHandle h, vk::Extent2D extent)
+    {
+        auto& entry = GetEntry(h);
+        if (!entry.imported) {
+            ENGINE_FATAL("RenderGraph: SetImportedExtent on non-imported resource '{}'", entry.name);
+        }
+        entry.importedExtent = extent;
+    }
+
     // ---------- Pass 声明 ----------
 
     RenderGraph::PassBuilder RenderGraph::AddPass(std::string name, ExecuteFn exec)
@@ -832,6 +842,13 @@ namespace Engine::RG {
         return entry.physical[frame.frameSlot]->image;
     }
 
+    vk::Extent2D RenderGraphContext::Extent(TextureHandle h) const
+    {
+        const auto& entry = graph->GetEntry(h);
+        if (entry.imported) return entry.importedExtent;
+        return entry.physical[frame.frameSlot]->extent;
+    }
+
     u32 RenderGraphContext::HistorySlot(u32 frameSlot) const
     {
         return graph->HistorySlot(frameSlot);