fix(canvas): 视频首尾帧 - 保留结构化帧并按协议顺序传参

web/src/lib/canvas/canvas-project-generation.ts

@@ -276,8 +276,9 @@ export function buildVideoGenerationMetadata(
     },
 ): CanvasNodeMetadata {
     const metadata = node?.metadata;
-    const startFrame = metadata?.videoStartFrameNodeId && context?.referenceImages.some((image) => image.id === metadata.videoStartFrameNodeId) ? metadata.videoStartFrameNodeId : undefined;
-    const endFrame = metadata?.videoEndFrameNodeId && context?.referenceImages.some((image) => image.id === metadata.videoEndFrameNodeId) ? metadata.videoEndFrameNodeId : undefined;
+    const referenceImageIds = new Set((context?.referenceImages || []).map((image) => image.id));
+    const startFrame = requireConnectedVideoFrame(metadata?.videoStartFrameNodeId, "首帧", referenceImageIds);
+    const endFrame = requireConnectedVideoFrame(metadata?.videoEndFrameNodeId, "尾帧", referenceImageIds);
     return {
         videoEditOperation: resolveVideoEditOperation(node, context),
         videoCameraMoveId: metadata?.videoCameraMoveId,
@@ -287,6 +288,12 @@ export function buildVideoGenerationMetadata(
     };
 }
 
+function requireConnectedVideoFrame(frameNodeId: string | undefined, label: string, referenceImageIds: Set<string>) {
+    if (!frameNodeId) return undefined;
+    if (referenceImageIds.has(frameNodeId)) return frameNodeId;
+    throw new Error(`已配置的${label}参考图未连接或不可用，请重新选择后再生成`);
+}
+
 export async function resolveMetadataReferences(metadata: CanvasNodeMetadata) {
     if (metadata.generationType !== "edit") return [];
     if (!metadata.references?.length) return null;