Feat: Adopt TypeScript Template Literals for Custom Evaluator Prompts #56
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…t templates Add TypeScript/JavaScript support for custom evaluator prompts using the same subprocess pattern as code judges. Changes: - Add PromptTemplateInputSchema and definePromptTemplate to @agentv/eval - Update orchestrator to execute .ts/.js prompt files as subprocesses - Add config and resolvedPromptPath to LlmJudgeEvaluatorConfig - Skip validation for executable prompt templates in evaluator parser - Add unit tests for PromptTemplateInputSchema - Add integration tests for executable prompt templates - Add example in examples/features/prompt-template-sdk/ Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Move OpenSpec to archive after implementation is complete. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Archive change to openspec/changes/archive/2026-01-28-adopt-ts-template-prompts/ - Create new spec openspec/specs/custom-evaluator-prompts/ Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Reuse CodeJudgeInputSchema for PromptTemplateInputSchema (consistent payloads) - Add timeout support to executePromptTemplate (prevents hanging scripts) - Validate non-empty output from prompt templates - Throw error for missing .ts/.js prompt template files (fail-fast) - Update tests to reflect required fields Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Add
definePromptTemplateSDK wrapper to@agentv/evalthat mirrorsdefineCodeJudge. Update orchestrator to execute .ts/.js prompt files as subprocesses.Changes
SDK (
@agentv/eval):PromptTemplateInputSchemainpackages/eval/src/schemas.tsdefinePromptTemplatewrapper inpackages/eval/src/prompt-template.tsdefinePromptTemplate,PromptTemplateInput,PromptTemplateInputSchema,PromptTemplateHandlerCore (
@agentv/core):LlmJudgeEvaluatorConfigto includeconfigandresolvedPromptPathexecutePromptTemplatefunction inorchestrator.tsresolveCustomPromptto detect and execute.ts/.jsfilesTesting:
PromptTemplateInputSchema(14 tests)Example:
examples/features/prompt-template-sdk/with TypeScript prompt template exampleTest plan
bun run buildpassesbun run typecheckpassesbun run lintpassesbun testpasses (369 tests)🤖 Generated with Claude Code