49c6e10574
paperless-ai's setup wizard validates the OpenAI provider by hardcoding
model=gpt-4o-mini in the probe, regardless of the OPENAI_MODEL env. Without
the alias LiteLLM 400s ("Invalid model name") and the wizard rejects the
key. Shadow common OpenAI names onto our Claude backends so any client that
probes gpt-* gets a healthy response (and routes to the Max sub).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>