feat: productionize learning engine and classroom

OpenMAIC/app/api/runtime/v1/courses/[courseId]/package/route.ts

@@ -0,0 +1,26 @@
+import type { NextRequest } from 'next/server';
+import { authorizeLearningRuntime, runtimeUnauthorized } from '@/lib/makelore-runtime/auth';
+import {
+  readFrozenLearningPackageRecord,
+  readUniqueMakeloreCoursePackage,
+} from '@/lib/makelore-course/package';
+
+export async function GET(request: NextRequest, context: { params: Promise<{ courseId: string }> }) {
+  if (!authorizeLearningRuntime(request)) return runtimeUnauthorized();
+  const { courseId } = await context.params;
+  const contentHash = request.headers.get('x-content-hash')?.trim() || '';
+  const record = await readFrozenLearningPackageRecord(courseId).catch(() => null);
+  if (!record || record.contentHash !== contentHash) {
+    return Response.json({ error: 'course_not_found' }, { status: 404 });
+  }
+  const bytes = await readUniqueMakeloreCoursePackage(courseId);
+  if (!bytes) return Response.json({ error: 'package_not_found' }, { status: 404 });
+  return new Response(bytes as unknown as BodyInit, {
+    headers: {
+      'Content-Type': 'application/zip',
+      'Content-Length': String(bytes.byteLength),
+      'X-Archive-SHA256': record.archiveSha256,
+      'Cache-Control': 'private, no-store',
+    },
+  });
+}