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<!-- Clearly explain the need for these changes: --> This PR addresses the need for consistent error handling across all blocks in the AutoGPT platform. Previously, each block had to manually define an `error` field in their output schema, leading to code duplication and potential inconsistencies. Some blocks might forget to include the error field, making error handling unpredictable. ### Changes 🏗️ <!-- Concisely describe all of the changes made in this pull request: --> - **Created `BlockSchemaOutput` base class**: New base class that extends `BlockSchema` with a standardized `error` field - **Created `BlockSchemaInput` base class**: Added for consistency and future extensibility - **Updated 140+ block implementations**: Changed all block `Output` classes from `class Output(BlockSchema):` to `class Output(BlockSchemaOutput):` - **Removed manual error field definitions**: Eliminated hundreds of duplicate `error: str = SchemaField(...)` definitions - **Updated type annotations**: Changed `Block[BlockSchema, BlockSchema]` to `Block[BlockSchemaInput, BlockSchemaOutput]` throughout the codebase - **Fixed imports**: Added `BlockSchemaInput` and `BlockSchemaOutput` imports to all relevant files - **Maintained backward compatibility**: Updated `EmptySchema` to inherit from `BlockSchemaOutput` **Key Benefits:** - Consistent error handling across all blocks - Reduced code duplication (removed ~200 lines of repetitive error field definitions) - Type safety improvements with distinct input/output schema types - Blocks can still override error field with more specific descriptions when needed ### Checklist 📋 #### For code changes: - [x] I have clearly listed my changes in the PR description - [x] I have made a test plan - [x] I have tested my changes according to the test plan: <!-- Put your test plan here: --> - [x] Verified `poetry run format` passes (all linting, formatting, and type checking) - [x] Tested block instantiation works correctly (MediaDurationBlock, UnrealTextToSpeechBlock) - [x] Confirmed error fields are automatically present in all updated blocks - [x] Verified block loading system works (successfully loads 353+ blocks) - [x] Tested backward compatibility with EmptySchema - [x] Confirmed blocks can still override error field with custom descriptions - [x] Validated core schema inheritance chain works correctly #### For configuration changes: - [x] `.env.default` is updated or already compatible with my changes - [x] `docker-compose.yml` is updated or already compatible with my changes - [x] I have included a list of my configuration changes in the PR description (under **Changes**) *Note: No configuration changes were needed for this refactoring.* 🤖 Generated with [Claude Code](https://claude.ai/code) --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Lluis Agusti <hi@llu.lu> Co-authored-by: Ubbe <hi@ubbe.dev>