Shopify / Shopify/roast

Add validate_schema_with config method for structured JSON output

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enhancement
Dominant language
Ruby
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Forks
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Description

Follow-up to #1007. Once structured JSON output exists, add a config method that designates a secondary model to validate a cog's structured output.

This would be used to validate that the output conforms to the user's needs. For example, it could flag that a field was not populated although the prompt indicated that it was supposed to be always present.

an example of usage would be

config do
  chat(:extract) do
    validate_schema_with "claude-opus-4-8"
  end
end

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Read issue #1007 first to understand the structured JSON output this feature depends on. Then trace the config do/chat(:extract) entry point shown here and define the completion criteria around accepting a secondary model and validating the cog's structured output against the user's needs.

Written by the indexing model from the issue text.

Assessment

Tech stack
ruby
Domain
ai
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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