I loaded a large JSON file in Python and watched memory jump from 43 MB to 808 MB. Here’s what happened and how streaming changed everything.

更重要的是，Flask 的中间件机制更透明，我们自己写的 @benchmark_route 装饰器能精准控制计时起点（HTTP 头解析完）和终点（JSON 响应序列化前），避免框架层干扰测量精度。 数据库用 SQLite 而非 PostgreSQL ：有人质疑“SQLite 怎么扛并发？

The development command opens the app in your default browser. If the key is missing, the home page shows a prominent setup error instead of an empty explorer. .env ...