fix(bash): persist opt-out match frontier

Author: ibetitsmike

src/node/services/backgroundProcessManager.test.ts

@@ -1841,6 +1841,8 @@ describe("BackgroundProcessManager", () => {
       it("wake_on_exit=false still flushes pending matched lines without terminal metadata", async () => {
         const matchEvents: MonitorMatchPayload[] = [];
         manager.on("monitor:match", (_workspaceId, payload) => matchEvents.push(payload));
+        const stoppedEvents: MonitorStoppedPayload[] = [];
+        manager.on("monitor:stopped", (_workspaceId, payload) => stoppedEvents.push(payload));
 
         const result = await manager.spawn(
           runtime,
@@ -1869,6 +1871,10 @@ describe("BackgroundProcessManager", () => {
         expect(matchEvents[0].lines).toEqual(["ERR boom"]);
         expect(matchEvents[0].terminal).toBeUndefined();
         expect(matchEvents[0].matchedThroughOffset).toBeDefined();
+        expect(stoppedEvents).toHaveLength(1);
+        expect(stoppedEvents[0].terminal?.matchedThroughOffset).toBe(
+          matchEvents[0].matchedThroughOffset
+        );
       });
 
       it("does not settle after maxEvents retirement", async () => {

src/node/services/backgroundProcessManager.ts

@@ -875,14 +875,17 @@ export class BackgroundProcessManager extends EventEmitter<BackgroundProcessMana
       pendingLines.length > 0 && proc.shownThroughOffset < monitor.matchedThroughOffset;
 
     const retainedMatch = monitor.retainedMatches[monitor.retainedMatches.length - 1];
+    const retainedMatchedThroughOffset = includeMatched
+      ? monitor.matchedThroughOffset
+      : retainedMatch?.matchedThroughOffset;
     monitor.settlementDisposition = {
       status: terminal.status,
       ...(terminal.exitCode !== undefined ? { exitCode: terminal.exitCode } : {}),
       settledAt: new Date().toISOString(),
       wakeOnExit: monitor.wakeOnExit,
       terminalStatusShown: proc.terminalStatusShownToAgent,
-      ...(retainedMatch != null
-        ? { matchedThroughOffset: retainedMatch.matchedThroughOffset }
+      ...(retainedMatchedThroughOffset != null
+        ? { matchedThroughOffset: retainedMatchedThroughOffset }
         : {}),
       tailLines,
     };