fix: refresh selectable OpenAI models, drop incompatible GPT-3.5#174
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GPT-3.5 doesn't support the structured-output (json_schema) response format Hyve requires, so it errored on every chat. Remove it and add the GPT-5.4 family (5.4 / 5.4-mini / 5.4-nano) alongside the existing GPT-4.1 and GPT-4o families. Every listed model is verified against the live API to support structured outputs plus the temperature/top_p controls. Switch the model picker to a compact dropdown (the radio list grew too tall), surfacing the selected model's description as help text. Existing sites set to GPT-3.5 fall back to GPT-4o mini (resolve_chat_model), and a still-valid but no-longer-listed saved model is preserved in the picker. Closes Codeinwp/hyve#221
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abaicus
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Refreshes the selectable OpenAI models and removes GPT-3.5, which was broken.
Problem
GPT-3.5 (
gpt-3.5-turbo-0125) doesn't support the structured-output (json_schema) response format Hyve sends on every chat request, so selecting it producedInvalid parameter: 'text.format' of type 'json_schema' is not supported…and the chat failed 100% of the time.What changed
SelectControl) instead of a tall radio list, showing the selected model's description as help text.Every listed model was verified against the live API to support everything Hyve requires — structured outputs and the
temperature/top_pcontrols. Reasoning-only models (GPT-5, GPT-5.5, theo-series, and every-protier) rejecttemperature/top_p, so they're intentionally excluded — adding them would reintroduce the same class of error.Backwards compatibility
OpenAI::resolve_chat_model()maps any stored GPT-3.5 value to the default (GPT-4o mini) at request time, so existing sites keep working with no manual change.Tests
tests/php/unit/tests/test-openai-model.phpcovers the fallback: GPT-3.5 / empty / invalid → GPT-4o mini, and supported models pass through unchanged.QA
text.format/parameter error.Closes Codeinwp/hyve#221