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Removed the following legacy packages: - packages/genui_dartantic - packages/genui_firebase_ai - packages/genui_google_generative_ai Removed legacy examples: - packages/genui_a2ui/example - examples/custom_backend (if confirmed)
- packages/json_schema_builder: Migrated from `print` to `package:logging` for better output control. - tool/test_and_fix: Migrated from `print` to `package:logging`.
Major refactor of the GenUI core framework to align with the A2UI v0.9 protocol. Key changes: - Catalog: - Renamed `CoreCatalog` to `BasicCatalog` and moved widgets to `basic_catalog_widgets`. - Implemented new A2UI v0.9 compatible widgets (AudioPlayer, Button, CheckBox, etc.). - Architecture: - Introduced `SurfaceController`, `SurfaceRegistry`, and `DataModelStore` for better state management. - Added `PromptBuilder` and `Conversation` facade for simplified API usage. - Implemented `ExpressionParser` and function resolution logic. - Transport: - Added `A2uiTransportAdapter` and `A2uiParserTransformer` for handling A2UI messages. - Cleanup: - Removed legacy `ContentGenerator`, `UiTools`, and other obsolete core classes. - Deleted documentation and examples that are no longer relevant. - Submodules: - Added `submodules/a2ui`.
Updated `genui_a2ui` to use the new `genui` core architecture. - Removed `A2uiContentGenerator` (replaced by `A2uiAgentConnector` usage in `genui` core). - Updated `A2uiAgentConnector` to work with the new `SurfaceController` and `Transport` interfaces. - Added `logging_utils.dart`. - General cleanup and modernization.
- catalog_gallery: - Added comprehensive samples for various scenarios (e-commerce, dashboard, etc.). - Updated tests and added integration tests. - Updated macOS/iOS build configurations. - simple_chat: - Refactored to use new `ai_client` and `chat_session`. - Added integration tests. - travel_app: - Refactored to use new `ai_client` structure. - Added Google Generative AI client implementation.
- Added comprehensive documentation: - `docs/DESIGN.md` - `docs/REVIEWING_GUIDE.md` - `docs/migration_0.7.0_to_0.8.0.md` - Architecture diagrams and assets. - Updated configuration: - `.github/workflows/flutter_packages.yaml` - `analysis_options.yaml` - `README.md`
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- Remove `ToolStartEvent`, `ToolEndEvent`, `TokenUsageEvent`, and `ThinkingEvent` from `genui` package. - Move removed events to `travel_app` as `AiGenerationEvent` subclasses, as they are specific to the `GoogleGenerativeAiClient` implementation there. - Rename `registerStandardFunctions` to `registerBasicFunctions` in `FunctionRegistry`. - Update `Design_Proposal.md`. - Minor cleanup in `SurfaceController` and `A2uiMessage`.
…alogId - Changed `SurfaceContext.catalogs` (Iterable) to `SurfaceContext.catalog` (Catalog?). - Updated `SurfaceDefinition.catalogId` to be non-nullable, defaulting to `basicCatalogId`. - Updated `SurfaceController` to handle non-nullable `catalogId` and implement `SurfaceContext.catalog`. - Updated `Surface` widget to use `SurfaceContext.catalog` directly. - Updated tests to reflect API changes.
…elegate. - Moved modal showing logic to `Modal` component using an `ElevatedButton` trigger. - Removed `showModal` handling from `DefaultActionDelegate`. - Updated tests to reflect the new `Modal` behavior. - Applied formatting fixes.
Adding version numbers to examples in based_catalog_embed.dart
Removed `watchSurface` from `SurfaceHost` and `SurfaceController` as it was redundant. Usages should replace `watchSurface(id)` with `contextFor(id).definition`. Refactored `genui` package and `examples/verdure` to use the new pattern. Updated documentation and tests.
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Introduces AiClientTransport to bridge AiClient and Conversation. Refactors ChatSession to use Conversation for state management and wiring.
This major refactor elevates client-side functions from a global, static registry to first-class citizens within the `Catalog` system, enabling modularity, versioning, and reactive data flow.
Key Changes:
1. **Reactive `ClientFunction` Interface**:
- Defined `ClientFunction` interface in `interfaces/client_function.dart` which returns `Stream<Object?>`, allowing functions to push updates (e.g., clock, network status).
- Introduced `SynchronousClientFunction` base class for functions that don't need reactivity, replacing the old `SimpleClientFunction` concept.
- Renamed `SimpleClientFunction` to `SynchronousClientFunction` and its `call` method to `executeSync` to clearly indicate synchronous execution.
2. **Catalog Integration**:
- Updated `Catalog` to include a `functions` registry, similar to components.
- Moved standard functions (e.g., `len`, `formatString`, `add`) from the global `FunctionRegistry` to `BasicCatalog` in `catalog/basic_functions.dart`.
- Deleted the global `FunctionRegistry` (`functions/functions.dart`) to enforce catalog-based lookup.
3. **Context-Aware `ExpressionParser`**:
- Updated `ExpressionParser` to resolve functions via `DataContext` (which aggregates functions from catalogs) instead of a global static map.
- Renamed `evaluateCondition` to `evaluateConditionSync` to strictly denote synchronous boolean evaluation and prevent "truthy stream" bugs.
- Implemented strict recursion depth checks (`RecursionExpectedException`) in `evaluateFunctionCall`, `_evaluate`, and `parse` to prevent infinite loops in reactive chains.
4. **Validation Logic Extraction**:
- Extracted reusable stream-based validation logic into `ValidationHelper` (`utils/validation_helper.dart`).
- Updated `DateTimeInput` and `TextField` widgets to use `ValidationHelper`, simplifying their implementation and reducing code duplication.
5. **Dependencies**:
- Added `rxdart` to `pubspec.yaml` to support complex stream combinations in `ValidationHelper`.
BREAKING CHANGES:
- `SimpleClientFunction` is renamed to `SynchronousClientFunction`.
- `ClientFunction.call` is renamed to `executeSync`.
- `ExpressionParser.evaluateCondition` is renamed to `evaluateConditionSync`.
- Global `FunctionRegistry` is removed; functions must now be registered in a `Catalog`.
- `ExpressionParser` methods now require `DataContext` for function resolution.
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Description
A giant change to move to A2UI 0.9 from 0.8 and integrate the "Bring your own LLM" API.