fix: add a few more tests for sync and session restore (#22837)

packages/opencode/test/sync/index.test.ts

@@ -187,5 +187,53 @@ describe("SyncEvent", () => {
         ).toThrow(/Unknown event type/)
       }),
     )
+
+    test(
+      "replayAll accepts later chunks after the first batch",
+      withInstance(() => {
+        const { Created } = setup()
+        const id = Identifier.descending("message")
+
+        const one = SyncEvent.replayAll([
+          {
+            id: "evt_1",
+            type: SyncEvent.versionedType(Created.type, Created.version),
+            seq: 0,
+            aggregateID: id,
+            data: { id, name: "first" },
+          },
+          {
+            id: "evt_2",
+            type: SyncEvent.versionedType(Created.type, Created.version),
+            seq: 1,
+            aggregateID: id,
+            data: { id, name: "second" },
+          },
+        ])
+
+        const two = SyncEvent.replayAll([
+          {
+            id: "evt_3",
+            type: SyncEvent.versionedType(Created.type, Created.version),
+            seq: 2,
+            aggregateID: id,
+            data: { id, name: "third" },
+          },
+          {
+            id: "evt_4",
+            type: SyncEvent.versionedType(Created.type, Created.version),
+            seq: 3,
+            aggregateID: id,
+            data: { id, name: "fourth" },
+          },
+        ])
+
+        expect(one).toBe(id)
+        expect(two).toBe(id)
+
+        const rows = Database.use((db) => db.select().from(EventTable).all())
+        expect(rows.map((row) => row.seq)).toEqual([0, 1, 2, 3])
+      }),
+    )
   })
 })