refactor: unify pending history helpers

src/plugin-sdk/index.ts

@@ -108,8 +108,10 @@ export { SILENT_REPLY_TOKEN, isSilentReplyText } from "../auto-reply/tokens.js";
 export {
   buildPendingHistoryContextFromMap,
   clearHistoryEntries,
+  clearHistoryEntriesIfEnabled,
   DEFAULT_GROUP_HISTORY_LIMIT,
   recordPendingHistoryEntry,
+  recordPendingHistoryEntryIfEnabled,
 } from "../auto-reply/reply/history.js";
 export type { HistoryEntry } from "../auto-reply/reply/history.js";
 export { mergeAllowlist, summarizeMapping } from "../channels/allowlists/resolve-utils.js";