refactor: trim gateway session type exports

src/gateway/server-broadcast-types.ts

@@ -1,4 +1,4 @@
-export type GatewayBroadcastStateVersion = {
+type GatewayBroadcastStateVersion = {
   presence?: number;
   health?: number;
 };

src/gateway/session-history-state.ts

@@ -12,18 +12,18 @@ type SessionHistoryTranscriptMeta = {
   seq?: number;
 };
 
-export type SessionHistoryMessage = Record<string, unknown> & {
+type SessionHistoryMessage = Record<string, unknown> & {
   __openclaw?: SessionHistoryTranscriptMeta;
 };
 
-export type PaginatedSessionHistory = {
+type PaginatedSessionHistory = {
   items: SessionHistoryMessage[];
   messages: SessionHistoryMessage[];
   nextCursor?: string;
   hasMore: boolean;
 };
 
-export type SessionHistorySnapshot = {
+type SessionHistorySnapshot = {
   history: PaginatedSessionHistory;
   rawTranscriptSeq: number;
 };

src/gateway/session-lifecycle-state.ts

@@ -25,7 +25,7 @@ type PersistedLifecycleSessionShape = Pick<
   "updatedAt" | "status" | "startedAt" | "endedAt" | "runtimeMs" | "abortedLastRun"
 >;
 
-export type GatewaySessionLifecycleSnapshot = Partial<LifecycleSessionShape>;
+type GatewaySessionLifecycleSnapshot = Partial<LifecycleSessionShape>;
 
 function isFiniteTimestamp(value: unknown): value is number {
   return typeof value === "number" && Number.isFinite(value) && value > 0;

src/gateway/session-transcript-files.fs.ts

@@ -13,7 +13,7 @@ import {
 } from "../config/sessions/paths.js";
 import { resolveRequiredHomeDir } from "../infra/home-dir.js";
 
-export type ArchiveFileReason = SessionArchiveReason;
+type ArchiveFileReason = SessionArchiveReason;
 export type ArchivedSessionTranscript = {
   sourcePath: string;
   archivedPath: string;

src/gateway/session-utils.fs.ts

@@ -169,13 +169,13 @@ export function readSessionMessages(
   return messages;
 }
 
-export type ReadRecentSessionMessagesOptions = {
+type ReadRecentSessionMessagesOptions = {
   maxMessages: number;
   maxBytes?: number;
   maxLines?: number;
 };
 
-export type ReadRecentSessionMessagesResult = {
+type ReadRecentSessionMessagesResult = {
   messages: unknown[];
   totalMessages: number;
 };
@@ -746,7 +746,7 @@ export function readLastMessagePreviewFromTranscript(
   });
 }
 
-export type SessionTranscriptUsageSnapshot = {
+type SessionTranscriptUsageSnapshot = {
   modelProvider?: string;
   model?: string;
   inputTokens?: number;