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1 Skipped Deployment

Project	Deployment	Review	Updated (UTC)
docs	Skipped		Jan 18, 2026 6:08pm

Greptile Summary

Fixed output schema validation to use tool config outputs when available. Previously, when validating block output paths (e.g., <blockName.field>), the resolver only checked block.outputs from the serialized block data. This caused incorrect validation when the tool's actual output schema differed from the block's stored schema. The fix correctly prioritizes getTool(toolId).outputs over block.outputs, ensuring validation uses the source-of-truth tool configuration.

Key Changes:

• Added import for getTool utility
• Modified output schema resolution to check tool config first: toolConfig?.outputs ?? block?.outputs
• Applied same precedence to both getSchemaFieldNames() and isPathInOutputSchema() calls

This ensures that when tools define their output schemas, those definitions take precedence during path validation, which is the correct behavior for maintaining consistency between tool definitions and runtime validation.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The change is a focused bug fix that correctly establishes precedence for tool config outputs over block outputs. The implementation uses the null coalescing operator (??) which safely falls back to block outputs when tool config is unavailable. The change aligns with the architectural principle that tool configurations should be the source of truth for schema validation.
• No files require special attention

Important Files Changed

Sequence Diagram

sequenceDiagram
    participant User
    participant BlockResolver
    participant Block
    participant ToolConfig
    participant Schema

    User->>BlockResolver: resolve("<blockName.path>")
    BlockResolver->>Block: Get block by ID
    BlockResolver->>BlockResolver: Navigate to output path
    
    alt Path not found
        BlockResolver->>Block: Get toolId from block.config.tool
        BlockResolver->>ToolConfig: getTool(toolId)
        
        alt Tool config exists
            ToolConfig-->>BlockResolver: Return tool config
            BlockResolver->>Schema: Use toolConfig.outputs (precedence)
        else Tool config not found
            BlockResolver->>Schema: Use block.outputs (fallback)
        end
        
        BlockResolver->>Schema: Validate path exists in schema
        
        alt Path invalid
            BlockResolver-->>User: Throw error with available fields
        else Path valid but data missing
            BlockResolver-->>User: Return undefined
        end
    else Path found
        BlockResolver-->>User: Return value
    end