Migrate `package:genui` onto `package:a2ui_core` (state engine + messages)#974

Draft

andrewkolos wants to merge 49 commits into

flutter:mainfrom

andrewkolos:genui-811-minimal

Commits on Jun 16, 2026

feat(a2ui_core): tighten protocol parsing, expose effect, copy mutable JSON
andrewkolos
committed
refactor(genui): rebase data substrate on a2ui_core.DataModel (compat facade)
andrewkolos
committed
refactor(genui): live a2ui_core surface state behind SurfaceDefinition facade
andrewkolos
committed
refactor(genui): delegate SurfaceController to a2ui_core.MessageProcessor
andrewkolos
committed
docs(migration): add migration guide for genui -> a2ui_core swap
andrewkolos
committed
chore: trim comments
andrewkolos
committed
refactor(genui): preserve pre-create dataModel access; reduce core leakage
andrewkolos
committed
refactor(genui): address reviewer pass on substrate migration
andrewkolos
committed
refactor(genui): preserve pre-migration SurfaceRegistry public API
andrewkolos
committed
refactor(genui): preserve registry event public constructors
andrewkolos
committed
refactor(genui): preserve public SurfaceUpdate constructor signatures
andrewkolos
committed
chore(genui): const on public SurfaceUpdate ctors; CHANGELOG note for updateSurface removal
andrewkolos
committed
docs(genui): clarify CHANGELOG wording on addSurface/notifyUpdated
andrewkolos
committed
refactor(genui): break ui_models/schema_validation import cycle
andrewkolos
committed
fix(genui): correct user-action detection and empty-surfaceId rejection
andrewkolos
committed
test(genui): cover live rebuild + duplicate-create, re-baseline coverage
andrewkolos
committed
refactor(genui): render surfaces from the definition snapshot only
andrewkolos
committed
refactor(genui): consume a2ui_core message types directly
andrewkolos
committed
refactor(genui_a2a,catalog_gallery,verdure): consume a2ui_core messages directly
andrewkolos
committed
refactor(genui): remove the DataModelStore facade
andrewkolos
committed
docs(genui,genui_a2a): correct CHANGELOG for the a2ui_core message migration
andrewkolos
committed
docs(genui): rewrite the a2ui_core migration guide to match reality
andrewkolos
committed
refactor(genui): restore DataPath typing on ExecutionContext/DataContext
andrewkolos
committed
refactor(genui): remove dead granular-rebuild plumbing
andrewkolos
committed
docs(genui): trim migration guide and CHANGELOG to user-facing changes
andrewkolos
committed
fix(simple_chat,composer): migrate to a2ui_core message types
andrewkolos
committed
docs(genui): tighten a2ui_core migration guide
andrewkolos
committed
refactor(a2ui_core): drop unused UpdateDataModelMessage hasValue
andrewkolos
committed
docs: trim changelogs to consumer-facing changes
andrewkolos
committed
docs(genui): name the a2ui_core migration guide by version
andrewkolos
committed
refactor(genui): drop the signal layer from BoundValue
andrewkolos
committed
refactor(genui): revert CatalogItemContext to a flat field bag
andrewkolos
committed
refactor(genui): render Surface via ValueListenableBuilder
andrewkolos
committed
refactor(genui): registry events carry only the surface model
andrewkolos
committed
docs: drop migration-narrative comments left in the code
andrewkolos
committed
refactor(genui): remove dead Component.toCoreJson
andrewkolos
committed
refactor(genui): restore _buildWidget method name
andrewkolos
committed
refactor(genui): drop redundant watchDefinition alias, keep watchSurface
andrewkolos
committed
refactor(genui): restore data_model.dart layout, inline bindExternalState
andrewkolos
committed
refactor(genui): dispose the per-id notifier on removeSurface
andrewkolos
committed
refactor(genui): key built widgets in catalog.buildWidget
andrewkolos
committed
chore(a2ui_core): drop changes not required by the genui migration
andrewkolos
committed
chore(a2ui_core): revert messages.dart to main (toJson/doc not needed by the migration)
andrewkolos
committed
chore(genui): revert format_string to main (gratuitous dependency-set type churn)
andrewkolos
committed
chore(genui): revert UiPart.create to a SurfaceDefinition param (Object/JsonMap path is dead)
andrewkolos
committed
docs(genui): drop "substrate" jargon from comments
andrewkolos
committed
docs(genui): "migrate"->"copy" in surface_controller data-model comments
andrewkolos
committed
fix(genui): only treat {path: <String>} as a binding in BoundValue
andrewkolos
committed
fix(genui): report the bound path in DataModelTypeException
andrewkolos
committed