paired: preserve prior owner and reviewer finals across superseded tasks

src/message-runtime-flow.ts

@@ -1,5 +1,6 @@
 import {
   getLastHumanMessageContent,
+  getLatestPreviousPairedTaskForChat,
   getPairedTurnOutputs,
   getRecentChatMessages,
 } from './db.js';
@@ -10,6 +11,7 @@ import {
   buildOwnerPendingPrompt,
   buildPairedTurnPrompt,
   buildReviewerPendingPrompt,
+  type PriorTaskPromptContext,
 } from './message-runtime-prompts.js';
 import {
   requeuePendingPairedTurn,
@@ -32,6 +34,7 @@ import type {
   NewMessage,
   PairedTask,
   PairedRoomRole,
+  PairedTurnOutput,
   PairedTurnReservationIntentKind,
   RegisteredGroup,
 } from './types.js';
@@ -115,6 +118,7 @@ export function buildPendingPairedTurn(args: {
   const cursor = lastRaw?.seq ?? lastRaw?.timestamp ?? null;
   const taskStatus = task.status;
   const turnOutputs = getPairedTurnOutputs(task.id);
+  const priorTaskContext = resolvePriorTaskPromptContext(chatJid, task, turnOutputs);
   const lastTurnOutput = turnOutputs[turnOutputs.length - 1];
   const nextTurnAction = resolveNextTurnAction({
     taskStatus,
@@ -131,6 +135,7 @@ export function buildPendingPairedTurn(args: {
         turnOutputs,
         recentHumanMessages,
         lastHumanMessage,
+        priorTaskContext,
       }),
       channel: resolveChannel(taskStatus),
       cursor,
@@ -182,6 +187,7 @@ export function buildPendingPairedTurn(args: {
         turnOutputs,
         recentHumanMessages,
         lastHumanMessage,
+        priorTaskContext,
       }),
       channel: resolveChannel(taskStatus),
       cursor,
@@ -195,6 +201,38 @@ export function buildPendingPairedTurn(args: {
   return null;
 }
 
+function resolvePriorTaskPromptContext(
+  chatJid: string,
+  task: PairedTask,
+  turnOutputs: PairedTurnOutput[],
+): PriorTaskPromptContext | null {
+  if (turnOutputs.length > 0) {
+    return null;
+  }
+
+  const previousTask = getLatestPreviousPairedTaskForChat(chatJid, task.id);
+  if (!previousTask || previousTask.status !== 'completed') {
+    return null;
+  }
+
+  const previousOutputs = getPairedTurnOutputs(previousTask.id);
+  const ownerFinal = [...previousOutputs]
+    .reverse()
+    .find((output) => output.role === 'owner')?.output_text;
+  const reviewerFinal = [...previousOutputs]
+    .reverse()
+    .find((output) => output.role === 'reviewer')?.output_text;
+
+  if (!ownerFinal && !reviewerFinal) {
+    return null;
+  }
+
+  return {
+    ownerFinal: ownerFinal ?? null,
+    reviewerFinal: reviewerFinal ?? null,
+  };
+}
+
 export async function executePendingPairedTurn(args: {
   pendingTurn: Exclude<PendingPairedTurn, null>;
   chatJid: string;