> For the complete documentation index, see [llms.txt](https://wong-coupon.gitbook.io/flutter/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wong-coupon.gitbook.io/flutter/my-flutter/systems-realtime.md).

# Systems & Realtime

APIs, networking, realtime systems, lifecycle, and navigation boundaries in production Flutter apps.

This group focuses on HTTP, MQTT, protobuf, Nakama, connectivity, deep links, and explicit lifecycle ownership for long-lived connections and data streams.

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