Fix model fallback crash on undefined provider/model (#946) #954
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Landed via temp rebase onto main.\n\n- Gate: pnpm lint && pnpm build && pnpm test\n- Land commit: c043e97\n- Merge commit: fc4aa9a\n\nThanks @roshanasingh4! |
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Fixes #946.
Problem
When using a custom local provider with
api: "openai-completions"(oropenai-responses), the gateway could crash before any HTTP request with:Cannot read properties of undefined (reading 'trim')This happens because the model fallback code called
.trim()onprovider/modelwithout guarding against undefined values during preflight model selection.Fix
Coerce
providerandmodelto strings and fall back to defaults when missing, instead of calling.trim()directly.Tests
Adds a regression test that passes undefined
provider/modeltorunWithModelFallbackand asserts it safely defaults.