fix(sse): route claude/<provider>/<model> aliases for catalog-only providers (#9777)

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The /v1/models catalog mirrors `claude/<provider>/<model>` ids purely from the
alias gate -- ccAliasPredicate.ts consults no provider registry. The request
path additionally required the prefix to be an open-sse REGISTRY entry or an
operator-defined custom node.

Enterprise-cloud providers such as azure-ai / azure-openai live only in the
provider catalog (src/shared/constants/providers/apikey/enterprise-cloud.ts).
They route fine directly -- `azure-ai/Phi-4` returns 200 -- but have no
open-sse registry entry, so the two sides disagreed: the catalog advertised
`claude/azure-ai/<model>` while stripCcDiscoveryAlias refused to strip it.

The unstripped id then fell through to normal resolution, which splits on the
first / and parsed `claude` as the provider. Every Claude Code request for an
Azure model was routed to the Claude provider instead:

  ROUTING: Provider: claude, Model: azure-ai/DeepSeek-V4-Flash

Extract the predicate as `isRoutableProviderPrefix()` and widen it to the
provider catalog (id + alias) alongside the open-sse registry, so the request
path recognises exactly what the catalog can advertise.

Regression guard: tests/unit/cc-discovery-alias-routable-prefix.test.ts pins
azure-ai/azure-openai/azure as routable, keeps openai/anthropic routable, and
keeps an unknown prefix non-routable. Verified failing before the widening.

...

This commit is contained in:

Mihaly Bodo

2026-08-11 12:56:06 +02:00

committed by GitHub

parent 37b86a9915

commit 4a4cc8736f

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