feat(canvas): 新增图片节点打光工具

新增图片节点打光功能，支持拖拽球体调节光源方位、选择预设打光效果，可调整亮度、光色和轮廓光，内置8种打光预设并附带静态资源。实现了基于参考图的AI打光生成，沿用原有模型配置，面板适配画布明暗主题，支持复制提示词与自定义提示词模板，窄屏下自动收进图片工具菜单。

web/src/pages/canvas/use-canvas-render-model.ts

@@ -35,6 +35,7 @@ type UseCanvasRenderModelOptions = {
     upscaleNodeId: string | null;
     superResolveNodeId: string | null;
     angleNodeId: string | null;
+    lightingNodeId: string | null;
     emotionNodeId: string | null;
     previewNodeId: string | null;
     contextMenu: ContextMenuState | null;
@@ -65,6 +66,7 @@ export function useCanvasRenderModel({
     upscaleNodeId,
     superResolveNodeId,
     angleNodeId,
+    lightingNodeId,
     emotionNodeId,
     previewNodeId,
     contextMenu,
@@ -225,6 +227,7 @@ export function useCanvasRenderModel({
     const upscaleNode = upscaleNodeId ? nodeById.get(upscaleNodeId) || null : null;
     const superResolveNode = superResolveNodeId ? nodeById.get(superResolveNodeId) || null : null;
     const angleNode = angleNodeId ? nodeById.get(angleNodeId) || null : null;
+    const lightingNode = lightingNodeId ? nodeById.get(lightingNodeId) || null : null;
     const emotionNode = emotionNodeId ? nodeById.get(emotionNodeId) || null : null;
     const previewNode = previewNodeId ? nodeById.get(previewNodeId) || null : null;
     const contextMenuNode = contextMenu?.type === "node" ? nodeById.get(contextMenu.nodeId) || null : null;
@@ -361,6 +364,7 @@ export function useCanvasRenderModel({
         activeScriptNode,
         activeStylePresetId,
         angleNode,
+        lightingNode,
         emotionNode,
         annotationNode,
         batchChildCountById,