feat(hands,jobs): drill days skip the beat and ack carries the alert decision

tests/test_heartbeat.py

@@ -10,6 +10,7 @@ from beaver_agent.hands.heartbeat import (
     Watch,
     alarm_text,
     beat_line,
+    drill,
     every_from_cron,
     look,
     parse_beat,
@@ -198,6 +199,39 @@ def test_alarm_not_repeated_within_a_day(tmp_path):
     assert look(w, [], now=NOW, res=None, full=True).alarm == "silence"
 
 
+def test_ack_says_what_the_instrument_decided(tmp_path):
+    # Цепь жива - решать нечего
+    alive = state(tmp_path)
+    assert "alert=none" in look(alive, [hb(NOW)], now=NOW, res=None, full=True).ack
+    # Порог пройден, тревога взята в этом прогоне
+    loud = state(tmp_path, seen=NOW - timedelta(hours=40), every=timedelta(hours=24))
+    fired = look(loud, [], now=NOW, res=None, full=True)
+    assert fired.alarm == "silence" and "alert=fired" in fired.ack
+    # Порог пройден, но тревога уходила меньше суток назад - повтор подавлен
+    loud.alerted = NOW - timedelta(hours=5)
+    held = look(loud, [], now=NOW, res=None, full=True)
+    assert held.alarm is None and "alert=held" in held.ack
+    # Кольцо так и не вооружилось дольше недели - это тоже выстрел
+    late = state(tmp_path, unarmed_since=NOW - timedelta(days=8))
+    assert "alert=fired" in look(late, [], now=NOW, res=None, full=True).ack
+    # Показания нет (окно не дочитано) - не `held`, а `none`: подавлять нечего
+    unread = state(tmp_path, seen=NOW - timedelta(hours=40), every=timedelta(hours=24))
+    assert "alert=none" in look(unread, [], now=NOW, res=None, full=False).ack
+
+
+def test_drill_flag_is_a_list_of_local_dates(tmp_path):
+    flag = tmp_path / "сторож-учения.txt"
+    assert not drill(flag, now=NOW, tz=WARSAW)  # файла нет - отметка уходит
+    flag.write_text("\n \n", encoding="utf-8")
+    assert not drill(flag, now=NOW, tz=WARSAW)  # пустой - тоже
+    flag.write_text("2026-09-28\n2026-09-29\n", encoding="utf-8")
+    assert drill(flag, now=datetime(2026, 9, 28, 15, 12, tzinfo=UTC), tz=WARSAW)
+    assert not drill(flag, now=datetime(2026, 9, 27, 15, 12, tzinfo=UTC), tz=WARSAW)
+    # Дата локальная в зоне планировщика: 22:30 UTC - это уже 29-е в Варшаве
+    assert drill(flag, now=datetime(2026, 9, 28, 22, 30, tzinfo=UTC), tz=WARSAW)
+    assert not drill(flag, now=datetime(2026, 9, 29, 22, 30, tzinfo=UTC), tz=WARSAW)
+
+
 def test_alarm_text_names_three_causes_and_suspects_the_channel(tmp_path):
     w = state(tmp_path, seen=NOW - timedelta(hours=40), every=timedelta(hours=24))
     report = look(w, [], now=NOW, res=timedelta(hours=24), full=True)
@@ -318,6 +352,32 @@ async def test_beat_job_sends_period_from_its_own_cron(monkeypatch):
     assert "every=unknown src=none" in odd.said[0]
 
 
+async def test_beat_job_keeps_silent_on_a_drill_day(tmp_path, monkeypatch, caplog):
+    from beaver_agent.jobs import heartbeat as job
+
+    flag = tmp_path / "сторож-учения.txt"
+    monkeypatch.setattr(job, "DRILL_FILE", flag)
+    room = FakeRoom([], nick="beaver")
+    monkeypatch.setattr(job, "VIBEGRAM_HB", room)
+    today = datetime.now(WARSAW).strftime("%Y-%m-%d")
+
+    flag.write_text(f"2026-01-01\n{today}\n", encoding="utf-8")
+    with caplog.at_level(logging.INFO):
+        await job.beat(cast("Any", FakeRun(cron="12 17 * * *")))
+    assert not room.said  # молчание в комнате и есть учения
+    assert "пропущена по флагу" in caplog.text
+
+    # Не наш день - отметка уходит как обычно
+    flag.write_text("2026-01-01\n", encoding="utf-8")
+    await job.beat(cast("Any", FakeRun(cron="12 17 * * *")))
+    assert len(room.said) == 1 and room.said[0].startswith("hb beaver at=")
+
+    # Файла нет - тоже обычный прогон
+    flag.unlink()
+    await job.beat(cast("Any", FakeRun(cron="12 17 * * *")))
+    assert len(room.said) == 2
+
+
 async def test_watch_job_keeps_quiet_when_the_room_is_unreadable(tmp_path, monkeypatch):
     from beaver_agent.jobs import heartbeat as job