genkit_a2ui 0.4.0

A2UI (Agent-to-UI) streaming UI protocol support for Genkit Dart, provided as model middleware.

0.4.0

Breaking Changes

• add ai.defineGenerateMiddleware; rename top-level defineMiddleware to generateMiddleware (#571)
• make GenerateResult and GenerateResponseChunk read-only views (#547)
• generate plain JSON schema maps instead of json_schema_builder calls (#522)
• export every type that appears in a public signature (#490)
• replace the ActionFnArg record typedef with a final class (#484)

Other Changes

• add Genkit Dart agent skill install instructions to READMEs (#521)

0.3.0

Breaking Changes

• graceful failed responses (model + tool errors) + rerunnable failed snapshots (#413)
• add cancellation support for action calls and generate API (#397)

0.2.2

• updated internal dependencies.

0.2.1

Features

• add A2UI streaming UI protocol package and sample application (#342)

Fixes

• stitch a2ui blocks split across multiple text parts (#404)
• reconstruct prior surfaces as a2ui blocks in history (#403)

Other Changes

• accept Genkit instance in loadCatalog instead of Registry (#401)

0.0.1

• Initial release: A2UI (Agent-to-UI) streaming UI protocol support for Genkit Dart, provided as the a2ui() model middleware plus a bundled basic catalog, a streaming block parser, and browser/Flutter-safe client helpers.