From e31f5be74af6eb31ad871b22ab09cbace345fdd1 Mon Sep 17 00:00:00 2001
From: Vocllum <149675937+Vocllum@users.noreply.github.com>
Date: Tue, 8 Sep 2026 02:03:17 +0800
Subject: [PATCH] fix(providers): raise Nous model discovery response cap

---
 src/providers/registry.ts                     |  4 +++-
 .../provider-model-discovery-contract.test.ts | 21 +++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/providers/registry.ts b/src/providers/registry.ts
index 5e46f27d60..e0aa946ac3 100644
--- a/src/providers/registry.ts
+++ b/src/providers/registry.ts
@@ -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).",
diff --git a/tests/providers/provider-model-discovery-contract.test.ts b/tests/providers/provider-model-discovery-contract.test.ts
index b55cbcd32e..f57b74d505 100644
--- a/tests/providers/provider-model-discovery-contract.test.ts
+++ b/tests/providers/provider-model-discovery-contract.test.ts
@@ -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,