generate Context Overflow Message
Util function for investigating the behaviour of the system on model context overflow. It is very approximate and should be used mainly for preliminary experiments.
With contextApproxSize = 500_000 and overflowCoef = 2.0 it generates a message of approx size:
~1.5M tokens for OpenAI GPT models
~1.5M tokens for Gemini models
~2M tokens for Claude models