fix(logs): exclude same-thread events after scan completion

sdk/typescript/src/scan-logs.ts

@@ -70,6 +70,10 @@ export async function readScanLogs(options: ScanLogOptions) {
       }
     }
   }
+  const completedBoundary =
+    options.completedAt === undefined || options.completedAt === null
+      ? Number.NaN
+      : Date.parse(options.completedAt);
   const events: Record<string, unknown>[] = [];
   for (const session of sessions) {
     let replaying = false;
@@ -91,6 +95,15 @@ export async function readScanLogs(options: ScanLogOptions) {
         }
         replaying = false;
       }
+      if (
+        Number.isFinite(completedBoundary) &&
+        typeof event["timestamp"] === "string"
+      ) {
+        const eventTime = Date.parse(event["timestamp"]);
+        if (Number.isFinite(eventTime) && eventTime > completedBoundary) {
+          continue;
+        }
+      }
       events.push({ threadId: session.threadId, event });
     }
   }

sdk/typescript/tests-ts/scan-logs.test.ts

@@ -200,6 +200,38 @@ describe("saved scan logs", () => {
     expect(JSON.stringify(result)).not.toContain("PRIVATE PRE-SCAN");
   });
 
+  test("excludes logs after completed time", async () => {
+    const home = await temporaryHome();
+    await writeSession(
+      home,
+      "parent",
+      [
+        commandEvent(
+          "DURING scan event",
+          "call-during",
+          "2026-08-21T12:01:00.000Z",
+        ),
+        commandEvent(
+          "AFTER hours event",
+          "call-after",
+          "2026-08-21T12:03:00.000Z",
+        ),
+      ],
+      undefined,
+      "2026-08-21T12:00:00.000Z",
+    );
+
+    const result = await readScanLogs({
+      scanId: "scan-1",
+      threadId: "parent",
+      codexHome: home,
+      completedAt: "2026-08-21T12:02:00.000Z",
+    });
+
+    expect(JSON.stringify(result)).toContain("DURING scan event");
+    expect(JSON.stringify(result)).not.toContain("AFTER hours event");
+  });
+
   test("includes independent Deep workers without crossing scan boundaries", async () => {
     const home = await temporaryHome();
     const scanDirectory = join(home, "scans", "current");