From 95aced10b08a384302fc6e42fa0814896100fa8b Mon Sep 17 00:00:00 2001
From: sunlit-deng <yang.jiajun1@xydigit.com>
Date: Wed, 1 Jul 2026 16:13:24 +0800
Subject: [PATCH] fix(agents): recover thinking errors from provider body
 (#98411)

---
 src/agents/embedded-agent-runner/thinking.test.ts | 12 ++++++++++++
 src/agents/embedded-agent-runner/thinking.ts      |  1 +
 2 files changed, 13 insertions(+)

diff --git a/src/agents/embedded-agent-runner/thinking.test.ts b/src/agents/embedded-agent-runner/thinking.test.ts
index 688772014c01..7f2f666d27c3 100644
--- a/src/agents/embedded-agent-runner/thinking.test.ts
+++ b/src/agents/embedded-agent-runner/thinking.test.ts
@@ -737,6 +737,18 @@ describe("wrapAnthropicStreamWithRecovery", () => {
           errorMessage: terminalThinkingSignatureError,
         }),
     },
+    {
+      name: "ProviderHttpError errorBody",
+      createError: () =>
+        Object.assign(new Error(genericizedProviderError), {
+          errorBody: JSON.stringify({
+            error: {
+              message: terminalThinkingSignatureError,
+              type: "invalid_request_error",
+            },
+          }),
+        }),
+    },
     {
       name: "cyclic cause graph",
       createError: () => {
diff --git a/src/agents/embedded-agent-runner/thinking.ts b/src/agents/embedded-agent-runner/thinking.ts
index 210c508d6c72..07d5e3b072f4 100644
--- a/src/agents/embedded-agent-runner/thinking.ts
+++ b/src/agents/embedded-agent-runner/thinking.ts
@@ -545,6 +545,7 @@ function shouldRecoverAnthropicThinkingError(
     current.error,
     current.rawError,
     current.errorMessage,
+    current.errorBody,
     current.message,
   ]);
   for (const candidate of candidates) {