fix: drain sdk follow-up turns (#219)

src/group-queue.ts

@@ -65,7 +65,6 @@ export class GroupQueue {
     this.processMessagesFn = fn;
   }
 
-  /** Limit concurrency after restart to avoid API rate-limit storms. */
   enterRecoveryMode(): void {
     this.recoveryMode = true;
     logger.info(
@@ -101,7 +100,6 @@ export class GroupQueue {
 
     const state = this.getGroup(groupJid);
 
-    // Pre-set IPC dir so sendMessage can pipe follow-ups while agent process starts
     if (ipcDir && !state.ipcDir) {
       state.ipcDir = ipcDir;
     }
@@ -157,7 +155,6 @@ export class GroupQueue {
 
     const state = this.getGroup(groupJid);
 
-    // Prevent double-queuing: check both pending and currently-running task
     if (state.runningTaskId === taskId) {
       logger.debug({ groupJid, taskId }, 'Task already running, skipping');
       return;
@@ -196,7 +193,6 @@ export class GroupQueue {
       return;
     }
 
-    // Run immediately
     this.runTask(groupJid, { id: taskId, groupJid, fn }).catch((err) =>
       logger.error({ groupJid, taskId, err }, 'Unhandled error in runTask'),
     );
@@ -207,10 +203,12 @@ export class GroupQueue {
     proc: ChildProcess,
     processName: string,
     ipcDir?: string,
+    options?: { drainFollowUpsAfterRun?: boolean },
   ): void {
     const state = this.getGroup(groupJid);
     state.process = proc;
     state.processName = processName;
+    state.drainFollowUpsAfterRun = options?.drainFollowUpsAfterRun === true;
     if (ipcDir) state.ipcDir = ipcDir;
     logger.info(
       {
@@ -241,6 +239,7 @@ export class GroupQueue {
 
     try {
       const filename = queueFollowUpMessage(state.ipcDir, text);
+      state.pendingMessages ||= state.drainFollowUpsAfterRun;
       logger.info(
         {
           groupJid,
@@ -248,6 +247,7 @@ export class GroupQueue {
           ipcDir: state.ipcDir,
           textLength: text.length,
           filename,
+          pendingMessages: state.pendingMessages,
         },
         'Queued follow-up message for active agent',
       );