feat: ship self-hosted KOC LOOP workflows

app/api/task-example-upload/route.ts

@@ -0,0 +1,30 @@
+import { adminForbidden, isAdminRequest } from "../../../lib/admin-auth";
+import { ensureSchema, getUploadBucket, uid } from "../../../lib/mvp-db";
+
+export async function POST(request: Request) {
+  if (!(await isAdminRequest(request))) return adminForbidden();
+  try {
+    await ensureSchema();
+    const form = await request.formData();
+    const file = form.get("file");
+    if (!(file instanceof File) || file.size === 0) {
+      return Response.json({ error: "请选择示例截图" }, { status: 400 });
+    }
+    if (!file.type.startsWith("image/") || file.size > 8_000_000) {
+      return Response.json({ error: "仅支持8MB以内的图片" }, { status: 400 });
+    }
+    const extension =
+      file.name.split(".").at(-1)?.replace(/[^a-zA-Z0-9]/g, "") || "jpg";
+    const key = `task-assets/${uid("example")}.${extension}`;
+    await getUploadBucket().put(key, await file.arrayBuffer(), {
+      httpMetadata: { contentType: file.type },
+      customMetadata: { kind: "screenshot-task-example" },
+    });
+    return Response.json({ uploaded: true, key });
+  } catch (error) {
+    return Response.json(
+      { error: error instanceof Error ? error.message : "示例截图上传失败" },
+      { status: 500 },
+    );
+  }
+}