Describe the bug

currently it's not possible to set "strict: true" for tool definitions. in the python versoin it can be set, it's even true by default.

see also open ai function-calling: https://platform.openai.com/docs/guides/function-calling#defining-functions

and the helper method to get from zod jsons to strict schemas:
https://github.com/openai/openai-node/blob/7a97bfcf1ea071bc605c654161cc0e4867d22960/src/lib/transform.ts#L38
(ensureStrictJsonSchema helper)

what is missing:

1. make the strict prop configurable (and set it to true by default?)
2. wrap the toJsonschema in the ensurestrict json schema function .. see: https://github.com/openai/openai-node/pull/1666/files#diff-3a1140710d3b12cdf0bbe73ea5c769ef4d3452a10bcb4d46bc696401ea22e2bbR33

Relevant log output

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Describe your environment

Minimal reproducible example

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Additional information

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