fix: preserve interaction replies across chat recovery

src/sessions/workspace-store.ts

@@ -9,7 +9,7 @@ import {
 import { atomicWriteJson, listJsonFiles, readJsonFile } from "../utils/fileStore.js";
 import { SessionContextMismatchError, type SessionRecord } from "./metadataStore.js";
 
-type ChatRecordName = "messages.json" | "transcript.json" | "learning.json";
+type ChatRecordName = "messages.json" | "transcript.json" | "learning.json" | "interaction-requests.json";
 type LegacySources = { metadataDir: string; uiStateDir: string; transcriptDir: string; learningStateDir?: string };
 const exists = async (path: string) => {
   try { await lstat(path); return true; }
@@ -104,6 +104,23 @@ export class SessionWorkspaceStore {
     });
   }
 
+  /** Read, compare and replace under the same queue as message writes and deletion. */
+  async updateRecord<T>(
+    context: SessionWorkspaceContext,
+    name: ChatRecordName,
+    operation: (records: { messages: unknown; current: unknown }) => Promise<{ result: T; value?: object }>,
+  ): Promise<T> {
+    return this.serialize(context, async () => {
+      if (!await this.validate(context, "messages.json") || !await this.validate(context, name)) throw new SessionContextMismatchError();
+      const messages = await readJsonFile<unknown>(this.path(context, "messages.json"));
+      const current = await readJsonFile<unknown>(this.path(context, name));
+      const update = await operation({ messages, current });
+      if (!await this.validate(context, "messages.json") || !await this.validate(context, name)) throw new SessionContextMismatchError();
+      if (update.value !== undefined) await atomicWriteJson(this.path(context, name), update.value as Record<string, unknown>, 0o600);
+      return update.result;
+    });
+  }
+
   async markDeleted(context: SessionWorkspaceContext) {
     return this.serialize(context, async () => {
       const directory = await this.ensure(context, true);