zod support

[pelikhan]

Builtin support for zod validation

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• New Zod Support: Added support for Zod schemas to automatically convert them into JSON schemas using zodToJsonSchema, making data validation and repair more flexible and user-friendly.
• Enhanced Schema Functionality: Updated the defSchema function to support both JSONSchema objects directly and Zod schemas, simplifying schema definitions for users.
• Script Tests: Added a new property tests in the script configuration to allow defining additional test files, enabling comprehensive testing of scripts with varied inputs.
• Readme Update: Updated the README file in packages/vscode/README.md to reflect changes related to Zod support and clarify its use in schema definitions.

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[github-actions]

LGTM 🚀

The changes look good! The refactoring to use _delay from es-toolkit instead of esDelay, the addition of Zod schema handling in promptdom.ts, and the creation of zod.ts with a utility function to convert Zod schemas to JSON are well-considered and make the code more modular and maintainable.

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