refactor: remove remaining dead code

webui/src/components/CliAppMentionText.tsx

@@ -137,7 +137,7 @@ export function CapabilityMentionToken({
   return <SessionMentionToken mention={segment.mention} label={segment.text} variant={variant} />;
 }
 
-export function SessionMentionToken({
+function SessionMentionToken({
   mention,
   label,
   variant,
@@ -172,7 +172,7 @@ export function SessionMentionToken({
   );
 }
 
-export function CliAppMentionToken({
+function CliAppMentionToken({
   app,
   label,
   variant,
@@ -229,7 +229,7 @@ export function CliAppMentionToken({
   );
 }
 
-export function McpPresetMentionToken({
+function McpPresetMentionToken({
   preset,
   label,
   variant,

webui/src/components/FileReferenceChip.tsx

@@ -151,7 +151,7 @@ export function splitFilePath(path: string): { directory: string; name: string }
   };
 }
 
-export function fileKindForPath(path: string): FileReferenceKind {
+function fileKindForPath(path: string): FileReferenceKind {
   const normalized = path.toLowerCase();
   const name = normalized.split(/[\\/]/).pop() ?? normalized;
   const ext = name.includes(".") ? name.split(".").pop() ?? "" : "";
@@ -193,7 +193,7 @@ export function fileKindForPath(path: string): FileReferenceKind {
   }
 }
 
-export function FileReferenceIcon({ kind }: { kind: FileReferenceKind }) {
+function FileReferenceIcon({ kind }: { kind: FileReferenceKind }) {
   if (kind === "python") {
     return (
       <svg

webui/src/components/MessageBubble.tsx

@@ -967,7 +967,7 @@ interface ReasoningBubbleProps {
   hasBodyBelow: boolean;
 }
 
-export function ReasoningBubble({
+function ReasoningBubble({
   text,
   streaming,
   hasBodyBelow,
@@ -993,7 +993,7 @@ interface TraceGroupProps {
  * collapsed because tool traces are supporting evidence, not the answer.
  * A single click expands the exact calls when the user wants details.
  */
-export function TraceGroup({ message }: TraceGroupProps) {
+function TraceGroup({ message }: TraceGroupProps) {
   const { t } = useTranslation();
   const lines = message.traces ?? [message.content];
   const count = lines.length;

webui/src/components/settings/channels/ChannelIdentity.tsx

@@ -174,7 +174,7 @@ export function ChannelLogo({
   );
 }
 
-export function channelDisplayName(feature: NanobotFeatureInfo): string {
+function channelDisplayName(feature: NanobotFeatureInfo): string {
   return channelUiPresentation(feature.name, feature.webui)?.displayName ?? feature.display_name;
 }
 

webui/src/components/settings/channels/ChannelSetupParts.tsx

@@ -112,7 +112,7 @@ export function ChannelSetupLinks({
   );
 }
 
-export function ChannelOfficialLink({
+function ChannelOfficialLink({
   feature,
   setup,
 }: {

webui/src/components/settings/channels/CredentialForm.tsx

@@ -6,7 +6,7 @@ import { Input } from "@/components/ui/input";
 import type { ChannelConfigField } from "@/components/settings/channels/catalog";
 import { cn } from "@/lib/utils";
 
-export function channelFieldValue(field: ChannelConfigField, values: Record<string, string>): string {
+function channelFieldValue(field: ChannelConfigField, values: Record<string, string>): string {
   return values[field.key] ?? field.defaultValue ?? field.options?.[0]?.value ?? "";
 }
 

webui/src/components/settings/channels/catalog.ts

@@ -27,7 +27,7 @@ export type ChannelSetupPresentation = {
   presets?: ChannelProviderPreset[];
 };
 
-export type ChannelCatalogSetupPresentation = {
+type ChannelCatalogSetupPresentation = {
   mode?: "webui" | "credentials" | "connect";
   command?: string;
   docsUrl?: string;
@@ -38,15 +38,15 @@ export type ChannelCatalogSetupPresentation = {
   presets?: ChannelProviderPresetDefinition[];
 };
 
-export type ChannelFieldPresentation = {
+type ChannelFieldPresentation = {
   key: string;
 };
 
-export type ChannelSetupActionDefinition = Omit<ChannelSetupAction, "label">;
+type ChannelSetupActionDefinition = Omit<ChannelSetupAction, "label">;
 
 export type ChannelProviderPresetDefinition = Omit<ChannelProviderPreset, "label">;
 
-export type ChannelSetupAction = {
+type ChannelSetupAction = {
   id: string;
   label: string;
   url?: string;
@@ -72,7 +72,7 @@ export type ChannelConfigField = {
   options?: ChannelConfigOption[];
 };
 
-export type ChannelConfigOption = {
+type ChannelConfigOption = {
   value: string;
   label: string;
 };

webui/src/components/settings/contracts.ts

@@ -14,7 +14,7 @@ export type SettingsSectionKey =
   | "runtime"
   | "advanced";
 
-export type PendingRestartSection = "runtime" | "browser" | "image";
+type PendingRestartSection = "runtime" | "browser" | "image";
 export type PendingRestartSections = Record<PendingRestartSection, boolean>;
 
 export type RestartAwarePayload = {

webui/src/components/thread/AgentActivityCluster.tsx

@@ -51,7 +51,7 @@ import type { CliAppInfo, McpPresetInfo, ToolProgressEvent, UIFileEdit, UIMessag
 
 const ACTIVITY_SCROLL_NEAR_BOTTOM_PX = 24;
 
-export { isAgentActivityMember, isReasoningOnlyAssistant };
+export { isAgentActivityMember };
 
 interface ActivityCounts {
   reasoningSteps: number;

webui/src/components/thread/activity/FileEditRow.tsx

@@ -155,7 +155,7 @@ function FileEditRow({
   );
 }
 
-export function hasVisibleDiffStats(edit: Pick<FileEditSummary, "added" | "deleted">): boolean {
+function hasVisibleDiffStats(edit: Pick<FileEditSummary, "added" | "deleted">): boolean {
   return edit.added > 0 || edit.deleted > 0;
 }
 

webui/src/components/thread/activity/generic-tool-model.ts

@@ -3,7 +3,7 @@ import { compactActivityPath, redactActivityText } from "./activity-text";
 export type GenericToolStatus = "running" | "done" | "error";
 export type ToolFamily = "content-search" | "file-search" | "list" | "read" | "memory" | "generic";
 
-export interface ToolField {
+interface ToolField {
   key:
     | "query"
     | "pattern"

webui/src/components/thread/activity/web-search-model.ts

@@ -7,7 +7,7 @@ import { displayWebHost, formatCompactWebUrl, parseSafeActivityHttpUrl } from ".
 export type WebSearchStatus = "running" | "done" | "error";
 export type WebSearchTarget = "web" | "x";
 
-export interface WebSearchSource {
+interface WebSearchSource {
   title: string;
   href: string;
   host: string;

webui/src/components/thread/promptNavigation.ts

@@ -26,13 +26,13 @@ export function userPromptAnchors(messages: UIMessage[]): PromptAnchor[] {
   });
 }
 
-export function promptLabel(content: string, index: number): string {
+function promptLabel(content: string, index: number): string {
   const text = content.replace(/\s+/g, " ").trim();
   if (!text) return `Prompt ${index + 1}`;
   return truncatePreview(text, 80);
 }
 
-export function promptPreview(content: string, index: number): string {
+function promptPreview(content: string, index: number): string {
   const text = compactPreview(content);
   if (!text) return `Prompt ${index + 1}`;
   return truncatePreview(text, 320);

webui/src/components/ui/button.tsx

@@ -33,7 +33,7 @@ const buttonVariants = cva(
   },
 );
 
-export interface ButtonProps
+interface ButtonProps
   extends React.ButtonHTMLAttributes<HTMLButtonElement>,
     VariantProps<typeof buttonVariants> {
   asChild?: boolean;

webui/src/components/ui/input.tsx

@@ -3,7 +3,7 @@ import * as React from "react";
 import { formControlFocusClassName } from "@/components/ui/form-control";
 import { cn } from "@/lib/utils";
 
-export type InputProps = React.InputHTMLAttributes<HTMLInputElement>;
+type InputProps = React.InputHTMLAttributes<HTMLInputElement>;
 
 const Input = React.forwardRef<HTMLInputElement, InputProps>(
   ({ className, type, ...props }, ref) => {

webui/src/components/ui/textarea.tsx

@@ -3,7 +3,7 @@ import * as React from "react";
 import { formControlFocusClassName } from "@/components/ui/form-control";
 import { cn } from "@/lib/utils";
 
-export type TextareaProps = React.TextareaHTMLAttributes<HTMLTextAreaElement>;
+type TextareaProps = React.TextareaHTMLAttributes<HTMLTextAreaElement>;
 
 const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
   ({ className, ...props }, ref) => {

webui/src/components/workbench/workbench-model.ts

@@ -12,7 +12,7 @@ export type {
 
 export const MAX_WORKBENCH_PANES = 4;
 
-export const WORKBENCH_LAYOUTS = [
+const WORKBENCH_LAYOUTS = [
   "columns",
   "rows",
   "grid",