Save current image generation workspace

src/app/api/canvas/uploads/route.ts

@@ -0,0 +1,26 @@
+import { NextResponse } from "next/server";
+import { persistUploadedImageFile } from "@/lib/server/storage/image-file-storage";
+
+export const runtime = "nodejs";
+
+export async function POST(request: Request) {
+  const formData = await request.formData();
+  const image = formData.get("image");
+
+  if (!(image instanceof File)) {
+    return NextResponse.json({ error: "缺少图片文件" }, { status: 400 });
+  }
+
+  const buffer = Buffer.from(await image.arrayBuffer());
+  const id = crypto.randomUUID();
+  const persisted = persistUploadedImageFile(id, image.name || "canvas-upload.png", buffer);
+
+  return NextResponse.json({
+    item: {
+      id,
+      imageUrl: persisted.imageUrl,
+      filePath: persisted.filePath,
+      fileName: persisted.fileName,
+    },
+  });
+}