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fix(providers): raise Nous model discovery response cap #3939

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fix(providers): raise Nous model discovery response cap #3939

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4 changes: 3 additions & 1 deletion src/providers/registry.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1539,8 +1539,10 @@ export const PROVIDER_REGISTRY: readonly ProviderRegistryEntry[] = [
modelDiscovery: {
// Resolves against effectiveBaseUrl (registry baseUrl .../v1) to the same
// canonical endpoint https://inference-api.nousresearch.com/v1/models.
// Nous returns a mixed paid/free catalog whose JSON can exceed 256 KiB;
// keep the provider-specific limit below the process-wide 4 MiB ceiling.
path: "models",
maxResponseBytes: 262_144,
maxResponseBytes: 1_048_576,
maxModels: 512,
},
note: "Nous Research subscription gateway. OAuth device login with your own Portal account; mixed paid + :free models discovered live (fallback seed 2026-08-10: tencent/hy3:free, poolside/laguna-s-2.1:free, stepfun/step-3.7-flash:free, poolside/laguna-xs-2.1:free).",
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21 changes: 21 additions & 0 deletions tests/providers/provider-model-discovery-contract.test.ts
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Expand Up @@ -428,6 +428,27 @@ describe("registry-owned provider model discovery", () => {
expect(cancelled).toBe(true);
});

test("accepts the observed Nous mixed catalog within its provider-specific response cap", async () => {
const entry = PROVIDER_REGISTRY.find(row => row.id === "nous");
if (!entry) throw new Error("missing nous registry entry");
const discovery = resolveProviderModelDiscovery("nous", {
adapter: entry.adapter,
baseUrl: entry.baseUrl,
authMode: "oauth",
});
const payload = JSON.stringify({
data: Array.from({ length: 390 }, (_, index) => ({
id: index === 0 ? "tencent/hy3:free" : `vendor/model-${index}`,
metadata: { description: "x".repeat(1_400) },
})),
});

expect(new TextEncoder().encode(payload).byteLength).toBeGreaterThan(262_144);
expect(discovery.maxResponseBytes).toBe(1_048_576);
const result = await readBoundedDiscoveryJson(new Response(payload), discovery.maxResponseBytes);
expect(result.ok).toBe(true);
});

test("rejects invalid UTF-8 before JSON parsing", async () => {
const invalidUtf8Json = new Uint8Array([
0x7b, 0x22, 0x78, 0x22, 0x3a, 0x22, 0xc3, 0x28, 0x22, 0x7d,
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