diff --git a/src/shared/avatar-policy.ts b/src/shared/avatar-policy.ts
index 81c60e2f55bd..9086316cc173 100644
--- a/src/shared/avatar-policy.ts
+++ b/src/shared/avatar-policy.ts
@@ -30,15 +30,15 @@ const AVATAR_MIME_BY_EXT: Record<string, string> = {
 };
 
 /** Detects data URLs before image-specific avatar validation. */
-export const AVATAR_DATA_RE = /^data:/i;
+const AVATAR_DATA_RE = /^data:/i;
 /** Detects inline image data URLs that can be used as avatar sources. */
-export const AVATAR_IMAGE_DATA_RE = /^data:image\//i;
+const AVATAR_IMAGE_DATA_RE = /^data:image\//i;
 /** Detects remote avatar URLs served over HTTP(S). */
-export const AVATAR_HTTP_RE = /^https?:\/\//i;
+const AVATAR_HTTP_RE = /^https?:\/\//i;
 /** Detects URI schemes so non-path avatar values can be rejected or routed. */
-export const AVATAR_SCHEME_RE = /^[a-z][a-z0-9+.-]*:/i;
+const AVATAR_SCHEME_RE = /^[a-z][a-z0-9+.-]*:/i;
 /** Detects Windows absolute paths before URI-scheme classification. */
-export const WINDOWS_ABS_RE = /^[a-zA-Z]:[\\/]/;
+const WINDOWS_ABS_RE = /^[a-zA-Z]:[\\/]/;
 
 const AVATAR_PATH_EXT_RE = /\.(png|jpe?g|gif|webp|svg|ico)$/i;
 
diff --git a/src/shared/balanced-json.ts b/src/shared/balanced-json.ts
index e5961517a814..75f08ac95a1c 100644
--- a/src/shared/balanced-json.ts
+++ b/src/shared/balanced-json.ts
@@ -1,8 +1,8 @@
 /** JSON opening delimiters supported by the balanced-fragment scanner. */
-export type JsonOpeningDelimiter = "{" | "[";
+type JsonOpeningDelimiter = "{" | "[";
 
 /** One balanced JSON object/array fragment found inside arbitrary text. */
-export type BalancedJsonFragment = {
+type BalancedJsonFragment = {
   json: string;
   startIndex: number;
   endIndex: number;
diff --git a/src/shared/text/final-tags.ts b/src/shared/text/final-tags.ts
index 8c93210b9d54..a810f78661fb 100644
--- a/src/shared/text/final-tags.ts
+++ b/src/shared/text/final-tags.ts
@@ -1,5 +1,5 @@
 // Final tag helpers detect final-answer tag regions in assistant text.
-export type FinalTagMatch = {
+type FinalTagMatch = {
   index: number;
   text: string;
   isClose: boolean;
@@ -78,7 +78,7 @@ function parseAttributeList(text: string): boolean {
 }
 
 /** Parses a candidate `<final>` tag while rejecting lookalike names and malformed attributes. */
-export function parseFinalTag(text: string): Omit<FinalTagMatch, "index" | "text"> | null {
+function parseFinalTag(text: string): Omit<FinalTagMatch, "index" | "text"> | null {
   if (!text.startsWith("<") || !text.endsWith(">")) {
     return null;
   }
diff --git a/src/shared/text/tool-call-shaped-text.ts b/src/shared/text/tool-call-shaped-text.ts
index 263f0970c541..5adbc473a283 100644
--- a/src/shared/text/tool-call-shaped-text.ts
+++ b/src/shared/text/tool-call-shaped-text.ts
@@ -2,7 +2,7 @@
 import { asOptionalRecord } from "@openclaw/normalization-core/record-coerce";
 import { normalizeOptionalString as readTrimmedString } from "@openclaw/normalization-core/string-coerce";
 
-export type ToolCallShapedTextDetection = {
+type ToolCallShapedTextDetection = {
   kind: "json_tool_call" | "xml_tool_call" | "bracketed_tool_call" | "react_action";
   toolName?: string;
 };