From b9da7cbf01b865ff0a2a6c3c2126b8e2571c9ed6 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sat, 25 Apr 2026 04:57:11 +0100
Subject: [PATCH] test: strip live gateway reasoning wrappers

---
 .../gateway-models.profiles.live.test.ts      | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/gateway/gateway-models.profiles.live.test.ts b/src/gateway/gateway-models.profiles.live.test.ts
index 108528c469a..b865b492fb4 100644
--- a/src/gateway/gateway-models.profiles.live.test.ts
+++ b/src/gateway/gateway-models.profiles.live.test.ts
@@ -351,7 +351,14 @@ function maybeStripAssistantScaffoldingForLiveModel(text: string, modelKey?: str
   if (!shouldStripAssistantScaffoldingForLiveModel(modelKey)) {
     return text;
   }
-  return stripAssistantInternalScaffolding(text).trim();
+  return stripAssistantInternalScaffolding(stripKnownLiveReasoningWrappers(text)).trim();
+}
+
+function stripKnownLiveReasoningWrappers(text: string): string {
+  return text
+    .replace(/<\s*think\b[^<>]*>[\s\S]*?<\s*\/\s*think\s*>/gi, "")
+    .replace(/^[\s\S]*?<\s*\/\s*think\s*>\s*/i, "")
+    .replace(/<\s*final\b[^<>]*>([\s\S]*?)<\s*\/\s*final\s*>/gi, "$1");
 }
 
 function shouldSkipExecReadNonceMissForLiveModel(modelKey?: string): boolean {
@@ -425,6 +432,20 @@ describe("maybeStripAssistantScaffoldingForLiveModel", () => {
         "google/gemini-3.1-pro-preview-customtools",
       ),
     ).toBe("Visible");
+    expect(
+      maybeStripAssistantScaffoldingForLiveModel(
+        [
+          "<think>",
+          "1. Inspect",
+          "```",
+          "draft",
+          "```",
+          "2. Draft the explanation",
+          "</think>The event loop drains the microtask queue before the next macrotask.",
+        ].join("\n"),
+        "google/gemini-3-flash-preview",
+      ),
+    ).toBe("The event loop drains the microtask queue before the next macrotask.");
   });
 
   it("strips scaffolding for known OpenAI transcript wrappers", () => {