Flutter and Riverpod 3

entity_graph_flutter owns the canonical Dart graph. Generated Riverpod families project entities and lists without copying entity data into widgets. The package covers local/remote/hybrid views, optimistic rollback, realtime invalidation, transports, an optional FFI seam, and cross-view widget goldens.

Install the public 3.1.0 package from pub.dev:

flutter pub add entity_graph_flutter:^3.1.0

The published archive passed a clean consumer import and analyzer check. pub.dev does not yet associate the package with a verified publisher, so publisher assignment remains an operational follow-up rather than an installation block. The companion showcase accepts strict A2UI 1.0-RC surface envelopes and normalizes them to GenUI 0.10.2 only after application-owned policy validation. Start with packages/entity_graph_flutter/README.md and the Flutter example evidence.

Optional DevTools

Version 3.1.0 includes a separate, optional package:entity_graph_flutter/devtools.dart library with a reference-counted controller per graph and a store-explicit Dart VM-service bridge. It observes real graph publications and Riverpod logical views, projects canonical/patch/ merged dirty state and relationships, retains bounded history/snapshots, supports conflict-safe preview/restore, and provides rewind/return-live.

The controller and official Flutter DevTools companion are included in the published package. Values remain metadata-only unless the host explicitly supplies inclusion and redaction policy. Treat the VM-service URI as a debugger secret and attach only from a host-controlled development mode.

The complete controller gate is:

pnpm run verify:devtools-flutter-controller

It passed through two external VM-service clients on a configured iOS simulator with two isolated graphs and 46 versioned events in the frozen-candidate run. The official Flutter DevTools extension build and package layout are validated separately.