diff --git a/src/agents/embedded-agent-helpers/turns.ts b/src/agents/embedded-agent-helpers/turns.ts
index 5dcad183617..f74f455d505 100644
--- a/src/agents/embedded-agent-helpers/turns.ts
+++ b/src/agents/embedded-agent-helpers/turns.ts
@@ -3,6 +3,7 @@
  */
 import { normalizeOptionalString } from "@openclaw/normalization-core/string-coerce";
 import type { AgentMessage } from "../runtime/index.js";
+import { isThinkingLikeBlock } from "../thinking-block.js";
 import { extractToolCallsFromAssistant, extractToolResultId } from "../tool-call-id.js";
 
 type AnthropicContentBlock = {
@@ -22,14 +23,6 @@ function isToolCallBlock(block: AnthropicContentBlock): boolean {
   return block.type === "toolUse" || block.type === "toolCall" || block.type === "functionCall";
 }
 
-function isThinkingLikeBlock(block: unknown): boolean {
-  if (!block || typeof block !== "object") {
-    return false;
-  }
-  const type = (block as { type?: unknown }).type;
-  return type === "thinking" || type === "redacted_thinking";
-}
-
 function isAbortedAssistantTurn(message: AgentMessage): boolean {
   const stopReason = (message as { stopReason?: unknown }).stopReason;
   return stopReason === "aborted" || stopReason === "error";
diff --git a/src/agents/session-transcript-repair.ts b/src/agents/session-transcript-repair.ts
index 5a66bb815d9..5243bdccbea 100644
--- a/src/agents/session-transcript-repair.ts
+++ b/src/agents/session-transcript-repair.ts
@@ -10,6 +10,7 @@ import {
   readStringValue,
 } from "@openclaw/normalization-core/string-coerce";
 import type { AgentMessage } from "./runtime/index.js";
+import { isThinkingLikeBlock } from "./thinking-block.js";
 import {
   extractToolCallsFromAssistant,
   extractToolResultId,
@@ -40,14 +41,6 @@ const RAW_TOOL_CALL_BLOCK_TYPES = new Set([
   "function_call",
 ]);
 
-function isThinkingLikeBlock(block: unknown): boolean {
-  if (!block || typeof block !== "object") {
-    return false;
-  }
-  const type = (block as { type?: unknown }).type;
-  return type === "thinking" || type === "redacted_thinking";
-}
-
 function isRawToolCallBlock(block: unknown): block is RawToolCallBlock {
   if (!block || typeof block !== "object") {
     return false;
diff --git a/src/agents/thinking-block.ts b/src/agents/thinking-block.ts
new file mode 100644
index 00000000000..9480b93ff17
--- /dev/null
+++ b/src/agents/thinking-block.ts
@@ -0,0 +1,7 @@
+export function isThinkingLikeBlock(block: unknown): boolean {
+  if (!block || typeof block !== "object") {
+    return false;
+  }
+  const type = (block as { type?: unknown }).type;
+  return type === "thinking" || type === "redacted_thinking";
+}
diff --git a/src/agents/tool-call-id.ts b/src/agents/tool-call-id.ts
index 7362fa13606..2e58338080f 100644
--- a/src/agents/tool-call-id.ts
+++ b/src/agents/tool-call-id.ts
@@ -5,6 +5,7 @@
  */
 import { createHash } from "node:crypto";
 import type { AgentMessage } from "./runtime/index.js";
+import { isThinkingLikeBlock } from "./thinking-block.js";
 import { isAllowedToolCallName, normalizeAllowedToolNames } from "./tool-call-shared.js";
 
 export type ToolCallIdMode = "strict" | "strict9";
@@ -124,14 +125,6 @@ export function extractToolResultIds(msg: Extract<AgentMessage, { role: "toolRes
   return ids;
 }
 
-function isThinkingLikeBlock(block: unknown): boolean {
-  if (!block || typeof block !== "object") {
-    return false;
-  }
-  const type = (block as { type?: unknown }).type;
-  return type === "thinking" || type === "redacted_thinking";
-}
-
 function hasToolCallInput(block: ReplaySafeToolCallBlock): boolean {
   const hasInput = "input" in block ? block.input !== undefined && block.input !== null : false;
   const hasArguments =