Files
OmniRoute/tests
Tiangao 95cb992c32 fix(providers): honor the base URL override in OpenRouter model discovery (#14001)
* fix(providers): honor the base URL override in OpenRouter model discovery

Model discovery for the built-in `openrouter` provider resolved its catalog
URL from PROVIDER_MODELS_CONFIG, which is pinned to the global
`https://openrouter.ai/api/v1/models`. The per-connection base-URL override
(`providerSpecificData.baseUrl`, set via "Advanced -> override base URL") was
never consulted on the discovery path, while the inference path has honored it
since #6147 (open-sse/executors/base.ts `resolveBaseUrl`).

A connection pointed at a different OpenRouter region therefore kept importing
the global catalog: the per-connection model list, and the auto-sync that
maintains it, advertised model ids the configured endpoint cannot serve. Those
ids only failed later, at inference time, so a region/catalog mismatch surfaced
as what looked like a provider outage.

The two catalogs genuinely differ — the global endpoint advertises ~444 model
ids, the EU in-region endpoint ~58 (a strict subset) — so discovery and
inference disagreed with no signal exposing it.

Discovery now prefers the override for this provider, reusing the existing
`addModelsSuffix()` normalization (drops a trailing chat/responses/messages
path, appends /models, leaves an existing /models untouched). Mirrors the
`openai` override handling added for the same class of bug in #5899. When no
override is set the built-in global catalog is still used.

Tests: tests/unit/openrouter-models-baseurl-override.test.ts covers both the
override and the unchanged default.

* chore(changelog): add fragment for #14001

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Co-authored-by: Tiangao (hermes) <montigaud@aikumi.pro>
2026-09-18 11:34:47 -03:00
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