diff --git a/docs/.generated/plugin-sdk-api-baseline.sha256 b/docs/.generated/plugin-sdk-api-baseline.sha256
index eafa67247ca..5b5b09244c4 100644
--- a/docs/.generated/plugin-sdk-api-baseline.sha256
+++ b/docs/.generated/plugin-sdk-api-baseline.sha256
@@ -1,2 +1,2 @@
-c1d52cab340bc37d6750de609ba565598cbfc883291786092b0bfebec9d0c926  plugin-sdk-api-baseline.json
-d03fa4539c6a2f0a138da3c658543315ad56648c3fd375591d09253d5db09298  plugin-sdk-api-baseline.jsonl
+75857675ae94b675f1398444330a8404a4551f59bf7179deabba9884c194b2f8  plugin-sdk-api-baseline.json
+1f237dbd11ba7f1d25f6371cb4c5f78b288bca0b92bc397624faaf514f12ea9f  plugin-sdk-api-baseline.jsonl
diff --git a/extensions/anthropic/stream-wrappers.ts b/extensions/anthropic/stream-wrappers.ts
index 1283484b1c6..64c8e522a83 100644
--- a/extensions/anthropic/stream-wrappers.ts
+++ b/extensions/anthropic/stream-wrappers.ts
@@ -8,7 +8,11 @@ import {
   streamWithPayloadPatch,
 } from "openclaw/plugin-sdk/provider-stream-shared";
 import { createSubsystemLogger } from "openclaw/plugin-sdk/runtime-env";
-import { normalizeLowercaseStringOrEmpty, readStringValue } from "openclaw/plugin-sdk/text-runtime";
+import {
+  normalizeFastMode,
+  normalizeLowercaseStringOrEmpty,
+  readStringValue,
+} from "openclaw/plugin-sdk/text-runtime";
 
 const log = createSubsystemLogger("anthropic-stream");
 
@@ -64,23 +68,6 @@ function resolveAnthropicFastServiceTier(enabled: boolean): AnthropicServiceTier
   return enabled ? "auto" : "standard_only";
 }
 
-function normalizeFastMode(raw?: string | boolean | null): boolean | undefined {
-  if (typeof raw === "boolean") {
-    return raw;
-  }
-  if (!raw) {
-    return undefined;
-  }
-  const key = normalizeLowercaseStringOrEmpty(raw);
-  if (["off", "false", "no", "0", "disable", "disabled", "normal"].includes(key)) {
-    return false;
-  }
-  if (["on", "true", "yes", "1", "enable", "enabled", "fast"].includes(key)) {
-    return true;
-  }
-  return undefined;
-}
-
 function normalizeAnthropicServiceTier(value: unknown): AnthropicServiceTier | undefined {
   if (typeof value !== "string") {
     return undefined;
diff --git a/src/auto-reply/thinking.shared.ts b/src/auto-reply/thinking.shared.ts
index 57c171e97db..0c2492f5be5 100644
--- a/src/auto-reply/thinking.shared.ts
+++ b/src/auto-reply/thinking.shared.ts
@@ -1,8 +1,11 @@
 import {
+  normalizeFastMode,
   normalizeLowercaseStringOrEmpty,
   normalizeOptionalLowercaseString,
 } from "../shared/string-coerce.js";
 
+export { normalizeFastMode };
+
 export type ThinkLevel = "off" | "minimal" | "low" | "medium" | "high" | "xhigh" | "adaptive";
 export type VerboseLevel = "off" | "on" | "full";
 export type TraceLevel = "off" | "on" | "raw";
@@ -172,23 +175,6 @@ export function resolveResponseUsageMode(raw?: string | null): UsageDisplayLevel
   return normalizeUsageDisplay(raw) ?? "off";
 }
 
-export function normalizeFastMode(raw?: string | boolean | null): boolean | undefined {
-  if (typeof raw === "boolean") {
-    return raw;
-  }
-  if (!raw) {
-    return undefined;
-  }
-  const key = normalizeLowercaseStringOrEmpty(raw);
-  if (["off", "false", "no", "0", "disable", "disabled", "normal"].includes(key)) {
-    return false;
-  }
-  if (["on", "true", "yes", "1", "enable", "enabled", "fast"].includes(key)) {
-    return true;
-  }
-  return undefined;
-}
-
 export function normalizeElevatedLevel(raw?: string | null): ElevatedLevel | undefined {
   if (!raw) {
     return undefined;
diff --git a/src/shared/string-coerce.ts b/src/shared/string-coerce.ts
index cee065a07ba..4c10d181691 100644
--- a/src/shared/string-coerce.ts
+++ b/src/shared/string-coerce.ts
@@ -32,6 +32,23 @@ export function normalizeLowercaseStringOrEmpty(value: unknown): string {
   return normalizeOptionalLowercaseString(value) ?? "";
 }
 
+export function normalizeFastMode(raw?: string | boolean | null): boolean | undefined {
+  if (typeof raw === "boolean") {
+    return raw;
+  }
+  if (!raw) {
+    return undefined;
+  }
+  const key = normalizeLowercaseStringOrEmpty(raw);
+  if (["off", "false", "no", "0", "disable", "disabled", "normal"].includes(key)) {
+    return false;
+  }
+  if (["on", "true", "yes", "1", "enable", "enabled", "fast"].includes(key)) {
+    return true;
+  }
+  return undefined;
+}
+
 export function lowercasePreservingWhitespace(value: string): string {
   return value.toLowerCase();
 }