> 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/architecture-state.md).

# Architecture & State

Application architecture, package boundaries, migration, and state management for Flutter at scale.

This group explains project, package, monorepo, and state-management design, together with migration strategies that let a system evolve without a full rewrite.

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