From d69e1287da0c5e19e208a48f10eb44af8b65f2a6 Mon Sep 17 00:00:00 2001
From: "kiloconnect[bot]" <240665456+kiloconnect[bot]@users.noreply.github.com>
Date: Thu, 7 May 2026 06:53:51 +0000
Subject: [PATCH 1/2] refactor(openrouter): extract determineFallbackFeature
 helper

Replace the legacy /openrouter path check with a system-prompt-based
fallback: only default to 'direct-gateway' when the system prompt does
not contain the Kilo or OpenClaw markers.
---
 apps/web/src/app/api/openrouter/[...path]/route.ts | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/apps/web/src/app/api/openrouter/[...path]/route.ts b/apps/web/src/app/api/openrouter/[...path]/route.ts
index 011a64332..96d516edf 100644
--- a/apps/web/src/app/api/openrouter/[...path]/route.ts
+++ b/apps/web/src/app/api/openrouter/[...path]/route.ts
@@ -132,6 +132,17 @@ function extractPromptInfo(requestBodyParsed: GatewayRequest): PromptInfo {
   return extractChatCompletionsPromptInfo(requestBodyParsed.body);
 }
 
+function determineFallbackFeature(requestBodyParsed: GatewayRequest): 'direct-gateway' | null {
+  const { system_prompt_prefix } = extractPromptInfo(requestBodyParsed);
+  if (
+    system_prompt_prefix.includes('You are Kilo') ||
+    system_prompt_prefix.includes('You are a personal assistant running inside OpenClaw')
+  ) {
+    return null;
+  }
+  return 'direct-gateway';
+}
+
 async function resolveRateLimit(
   feature: FeatureValue | null,
   ipAddress: string,
@@ -217,10 +228,9 @@ export async function POST(request: NextRequest): Promise<NextResponseType<unkno
 
   const requestedModel = requestBodyParsed.body.model.trim();
   const requestedModelLowerCased = requestedModel.toLowerCase();
-  const isLegacyOpenRouterPath = url.pathname.includes('/openrouter');
 
   const feature = validateFeatureHeader(
-    request.headers.get(FEATURE_HEADER) || (isLegacyOpenRouterPath ? '' : 'direct-gateway')
+    request.headers.get(FEATURE_HEADER) || determineFallbackFeature(requestBodyParsed) || ''
   );
 
   const authPromise = getUserFromAuth({ adminOnly: false });

From 449be4c48c3310829f1a05e3c8d98d79287db575 Mon Sep 17 00:00:00 2001
From: "kiloconnect[bot]" <240665456+kiloconnect[bot]@users.noreply.github.com>
Date: Thu, 7 May 2026 07:49:01 +0000
Subject: [PATCH 2/2] simplify: return empty string fallback instead of null

---
 apps/web/src/app/api/openrouter/[...path]/route.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/apps/web/src/app/api/openrouter/[...path]/route.ts b/apps/web/src/app/api/openrouter/[...path]/route.ts
index 96d516edf..a388a9a76 100644
--- a/apps/web/src/app/api/openrouter/[...path]/route.ts
+++ b/apps/web/src/app/api/openrouter/[...path]/route.ts
@@ -132,13 +132,13 @@ function extractPromptInfo(requestBodyParsed: GatewayRequest): PromptInfo {
   return extractChatCompletionsPromptInfo(requestBodyParsed.body);
 }
 
-function determineFallbackFeature(requestBodyParsed: GatewayRequest): 'direct-gateway' | null {
+function determineFallbackFeature(requestBodyParsed: GatewayRequest): 'direct-gateway' | '' {
   const { system_prompt_prefix } = extractPromptInfo(requestBodyParsed);
   if (
     system_prompt_prefix.includes('You are Kilo') ||
     system_prompt_prefix.includes('You are a personal assistant running inside OpenClaw')
   ) {
-    return null;
+    return '';
   }
   return 'direct-gateway';
 }
@@ -230,7 +230,7 @@ export async function POST(request: NextRequest): Promise<NextResponseType<unkno
   const requestedModelLowerCased = requestedModel.toLowerCase();
 
   const feature = validateFeatureHeader(
-    request.headers.get(FEATURE_HEADER) || determineFallbackFeature(requestBodyParsed) || ''
+    request.headers.get(FEATURE_HEADER) || determineFallbackFeature(requestBodyParsed)
   );
 
   const authPromise = getUserFromAuth({ adminOnly: false });