chore: import upstream snapshot with attribution

servers/nextjs/app/api/export-presentation-data/[id]/route.ts

@@ -0,0 +1,62 @@
+import { NextRequest, NextResponse } from "next/server";
+
+function getFastApiBaseUrl(): string {
+  const internal = process.env.FAST_API_INTERNAL_URL?.trim();
+  if (internal) {
+    return internal.replace(/\/+$/, "");
+  }
+
+  const configured = process.env.NEXT_PUBLIC_FAST_API?.trim();
+  if (configured) {
+    return configured.replace(/\/+$/, "");
+  }
+
+  return "http://127.0.0.1:8000";
+}
+
+export async function GET(
+  request: NextRequest,
+  context: { params: Promise<{ id: string }> }
+) {
+  const { id } = await context.params;
+  if (!id) {
+    return NextResponse.json(
+      { detail: "Missing presentation id" },
+      { status: 400 }
+    );
+  }
+
+  const exportCookie = request.headers.get("x-export-cookie")?.trim();
+  if (!exportCookie) {
+    return NextResponse.json({ detail: "Unauthorized" }, { status: 401 });
+  }
+
+  const presentationUrl = `${getFastApiBaseUrl()}/api/v1/ppt/presentation/${id}`;
+
+  try {
+    const response = await fetch(presentationUrl, {
+      method: "GET",
+      headers: {
+        Cookie: exportCookie,
+      },
+      cache: "no-store",
+    });
+
+    const bodyText = await response.text();
+    const contentType = response.headers.get("content-type") ?? "application/json";
+
+    return new NextResponse(bodyText, {
+      status: response.status,
+      headers: {
+        "Content-Type": contentType,
+        "Cache-Control": "no-store",
+      },
+    });
+  } catch (error) {
+    console.error("[export-presentation-data] Failed to fetch presentation", error);
+    return NextResponse.json(
+      { detail: "Failed to fetch presentation data" },
+      { status: 500 }
+    );
+  }
+}