Complete paired-room SSOT cleanup and logger singleton

src/message-runtime-flow.ts

@@ -68,25 +68,6 @@ export function isBotOnlyPairedRoomTurn(
   );
 }
 
-export function resolveLastDeliveredBotRole(
-  messages: NewMessage[],
-): PairedRoomRole | null {
-  for (let index = messages.length - 1; index >= 0; index -= 1) {
-    const message = messages[index];
-    if (!message?.is_bot_message) {
-      continue;
-    }
-    if (
-      message.sender_name === 'owner' ||
-      message.sender_name === 'reviewer' ||
-      message.sender_name === 'arbiter'
-    ) {
-      return message.sender_name;
-    }
-  }
-  return null;
-}
-
 export function buildPendingPairedTurn(args: {
   chatJid: string;
   timezone: string;
@@ -98,7 +79,6 @@ export function buildPendingPairedTurn(args: {
   labeledRecentMessages: Parameters<
     typeof buildArbiterPromptForTask
   >[0]['labeledRecentMessages'];
-  lastDeliveredMessages?: NewMessage[];
   resolveChannel: (taskStatus?: string | null) => Channel | null;
 }): PendingPairedTurn {
   const {
@@ -117,10 +97,7 @@ export function buildPendingPairedTurn(args: {
   const lastTurnOutput = turnOutputs[turnOutputs.length - 1];
   const nextTurnAction = resolveNextTurnAction({
     taskStatus,
-    lastTurnOutputRole:
-      resolveLastDeliveredBotRole(args.lastDeliveredMessages ?? []) ??
-      lastTurnOutput?.role ??
-      null,
+    lastTurnOutputRole: lastTurnOutput?.role ?? null,
   });
   const recentMessages = getRecentChatMessages(chatJid, 20);
   const lastHumanMessage = getLastHumanMessageContent(chatJid);
@@ -255,7 +232,6 @@ export function resolveBotOnlyPairedFollowUpAction(args: {
   chatJid: string;
   task: PairedTask | null | undefined;
   isBotOnlyPairedFollowUp: boolean;
-  lastDeliveredMessages?: NewMessage[];
   pendingCursorSource:
     | { seq?: number | null; timestamp?: string | null }
     | undefined;
@@ -270,10 +246,7 @@ export function resolveBotOnlyPairedFollowUpAction(args: {
   const lastTurnOutput = getPairedTurnOutputs(task.id).at(-1);
   const nextTurnAction = resolveNextTurnAction({
     taskStatus: task.status,
-    lastTurnOutputRole:
-      resolveLastDeliveredBotRole(args.lastDeliveredMessages ?? []) ??
-      lastTurnOutput?.role ??
-      null,
+    lastTurnOutputRole: lastTurnOutput?.role ?? null,
   });
 
   if (nextTurnAction.kind === 'finalize-owner-turn') {
@@ -440,7 +413,6 @@ export function buildQueuedTurnDispatch(args: {
     chatJid: args.chatJid,
     task: args.loopPendingTask,
     isBotOnlyPairedFollowUp,
-    lastDeliveredMessages: args.labeledMessagesToSend,
     pendingCursorSource,
   });