feat(scheduler,rotation,envelope,api,ui): pgqueuer jobs and deferred injects, master rotation with handout, vault envelope, jobs page

tests/test_conversations.py

@@ -568,15 +568,16 @@ async def test_read_and_bindings(world: World) -> None:
     )
 
 
-async def test_schedule_rows_and_parse_at(world: World) -> None:
+async def test_schedule_without_scheduler_and_parse_at(world: World) -> None:
     conv = await world.conversations.create(kind="master", agent="a", origin="test")
-    row = await world.conversations.schedule(conv, "+15m", "push X")
-    delta = (row.execute_at.replace(tzinfo=UTC) - datetime.now(UTC)).total_seconds()
-    assert 14 * 60 < delta <= 15 * 60
-    assert [s.text for s in await world.conversations.schedules(conv)] == ["push X"]
+    with pytest.raises(RuntimeError, match="no scheduler"):
+        await world.conversations.schedule(conv, "+15m", "push X")
+    assert await world.conversations.schedules(conv) == []
     assert parse_at("2026-09-01T10:00:00+02:00") == datetime(
         2026, 9, 1, 8, 0, tzinfo=UTC
     )
+    delta = (parse_at("+15m") - datetime.now(UTC)).total_seconds()
+    assert 14 * 60 < delta <= 15 * 60
     with pytest.raises(ValueError, match="Invalid isoformat"):
         parse_at("tomorrow")