From cbb8f4a4dae772a534445bf7fb672fc02d71dd54 Mon Sep 17 00:00:00 2001
From: Christiaan Arnoldus <christiaan.arnoldus@outlook.com>
Date: Mon, 1 Jun 2026 16:37:02 +0200
Subject: [PATCH 1/2] Log unsupported API error and remove Roo check

---
 apps/web/src/app/api/openrouter/[...path]/route.ts | 6 ++----
 apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts   | 8 +++-----
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/apps/web/src/app/api/openrouter/[...path]/route.ts b/apps/web/src/app/api/openrouter/[...path]/route.ts
index 7ca85f082..8d00f4fab 100644
--- a/apps/web/src/app/api/openrouter/[...path]/route.ts
+++ b/apps/web/src/app/api/openrouter/[...path]/route.ts
@@ -435,8 +435,7 @@ export async function POST(request: NextRequest): Promise<NextResponseType<unkno
   if (!effectiveProviderContext.provider.supportedChatApis.includes(requestBodyParsed.kind)) {
     return apiKindNotSupportedResponse(
       requestBodyParsed.kind,
-      effectiveProviderContext.provider.supportedChatApis,
-      fraudHeaders
+      effectiveProviderContext.provider.supportedChatApis
     );
   }
 
@@ -571,8 +570,7 @@ export async function POST(request: NextRequest): Promise<NextResponseType<unkno
       }
       return apiKindNotSupportedResponse(
         requestBodyParsed.kind,
-        effectiveProviderContext.provider.supportedChatApis,
-        fraudHeaders
+        effectiveProviderContext.provider.supportedChatApis
       );
     }
   }
diff --git a/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts b/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
index e058660bd..2f69011f6 100644
--- a/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
+++ b/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
@@ -147,12 +147,10 @@ export function dataCollectionRequiredResponse() {
 
 export function apiKindNotSupportedResponse(
   apiKind: GatewayChatApiKind,
-  supportedApiKinds: ReadonlyArray<GatewayChatApiKind>,
-  fraudHeaders: FraudDetectionHeaders
+  supportedApiKinds: ReadonlyArray<GatewayChatApiKind>
 ) {
-  const error = isRooCodeBasedClient(fraudHeaders)
-    ? 'This model requires Kilo v7 or newer. Please upgrade Kilo and try again.'
-    : `This model does not support the ${apiKind} API, please use any of: ${supportedApiKinds.join()}`;
+  const error = `This model does not support the ${apiKind} API, please use any of: ${supportedApiKinds.join()}`;
+  console.warn(`[apiKindNotSupportedResponse] ${error}`);
   return NextResponse.json(
     { error, error_type: ProxyErrorType.api_kind_not_supported, message: error },
     { status: 400 }

From bd8ae30e22d0840282cf1a0bb2299b27ff0b739c Mon Sep 17 00:00:00 2001
From: Christiaan Arnoldus <christiaan@kilocode.ai>
Date: Mon, 1 Jun 2026 16:46:38 +0200
Subject: [PATCH 2/2] Update apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts

Co-authored-by: kilo-code-bot[bot] <240665456+kilo-code-bot[bot]@users.noreply.github.com>
---
 apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts b/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
index 2f69011f6..649da34d1 100644
--- a/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
+++ b/apps/web/src/lib/ai-gateway/llm-proxy-helpers.ts
@@ -150,7 +150,7 @@ export function apiKindNotSupportedResponse(
   supportedApiKinds: ReadonlyArray<GatewayChatApiKind>
 ) {
   const error = `This model does not support the ${apiKind} API, please use any of: ${supportedApiKinds.join()}`;
-  console.warn(`[apiKindNotSupportedResponse] ${error}`);
+  warnExceptInTest(`[apiKindNotSupportedResponse] ${error}`);
   return NextResponse.json(
     { error, error_type: ProxyErrorType.api_kind_not_supported, message: error },
     { status: 400 }