```

feat: 添加飞书用户模块和订阅功能支持

- 新增feishu_users模块用于处理飞书用户身份验证和权限管理
- 新增subscriptions模块用于处理订阅相关功能
- 新增personalization模块用于个性化服务
- 在alembic迁移配置中注册新的模型模块
- 在API路由器中添加feishu_users和subscriptions路由
- 实现事件调度服务的改进，包括错误处理和状态更新优化
- 添加飞书命令处理的权限检查机制
- 实现飞书应用票据事件处理
- 改进审计日志记录功能
```

tests/test_subscription_schedule.py

@@ -0,0 +1,105 @@
+from datetime import UTC, datetime, time
+
+import pytest
+
+from app.modules.subscriptions.constants import SubscriptionScheduleType
+from app.modules.subscriptions.services.schedule import (
+    ScheduleParseError,
+    is_in_quiet_hours,
+    next_occurrence,
+    next_quiet_end,
+    parse_schedule,
+)
+
+
+NOW = datetime(2026, 7, 26, 0, 0, tzinfo=UTC)
+
+
+@pytest.mark.parametrize(
+    ("expression", "schedule_type", "next_run_at"),
+    [
+        ("今天 09:00", SubscriptionScheduleType.ONCE, datetime(2026, 7, 26, 1, 0)),
+        ("明天 9点半", SubscriptionScheduleType.ONCE, datetime(2026, 7, 27, 1, 30)),
+        (
+            "2026-08-01 10:15",
+            SubscriptionScheduleType.ONCE,
+            datetime(2026, 8, 1, 2, 15),
+        ),
+        ("每天 09:00", SubscriptionScheduleType.DAILY, datetime(2026, 7, 26, 1, 0)),
+        ("工作日 09:00", SubscriptionScheduleType.WEEKDAY, datetime(2026, 7, 27, 1, 0)),
+        ("每周一 09:00", SubscriptionScheduleType.WEEKLY, datetime(2026, 7, 27, 1, 0)),
+        ("每月26号 09:00", SubscriptionScheduleType.MONTHLY, datetime(2026, 7, 26, 1, 0)),
+        (
+            "每隔 2 小时",
+            SubscriptionScheduleType.INTERVAL,
+            datetime(2026, 7, 26, 2, 0),
+        ),
+    ],
+)
+def test_parse_supported_chinese_schedules(
+    expression: str,
+    schedule_type: str,
+    next_run_at: datetime,
+) -> None:
+    result = parse_schedule(expression, "Asia/Shanghai", now=NOW)
+
+    assert result.schedule_type == schedule_type
+    assert result.next_run_at == next_run_at
+    assert result.timezone == "Asia/Shanghai"
+
+
+def test_monthly_schedule_skips_months_without_the_requested_day() -> None:
+    result = parse_schedule(
+        "每月31号 09:00",
+        "Asia/Shanghai",
+        now=datetime(2026, 4, 30, 2, 0, tzinfo=UTC),
+    )
+
+    assert result.next_run_at == datetime(2026, 5, 31, 1, 0)
+    assert (
+        next_occurrence(
+            result.schedule_type,
+            result.schedule_config,
+            result.timezone,
+            after=datetime(2026, 5, 31, 1, 0),
+        )
+        == datetime(2026, 7, 31, 1, 0)
+    )
+
+
+@pytest.mark.parametrize(
+    "expression",
+    [
+        "每隔 14 分钟",
+        "有空时提醒我",
+        "今天 07:59",
+        "2026-02-30 09:00",
+        "每天 25:00",
+    ],
+)
+def test_invalid_or_ambiguous_schedule_is_rejected(expression: str) -> None:
+    with pytest.raises(ScheduleParseError):
+        parse_schedule(expression, "Asia/Shanghai", now=NOW)
+
+
+def test_invalid_iana_timezone_is_rejected() -> None:
+    with pytest.raises(ScheduleParseError, match="Invalid IANA timezone"):
+        parse_schedule("每天 09:00", "Mars/Olympus", now=NOW)
+
+
+def test_quiet_hours_support_cross_midnight_windows() -> None:
+    current = datetime(2026, 7, 26, 15, 30, tzinfo=UTC)
+
+    assert is_in_quiet_hours(
+        current,
+        "Asia/Shanghai",
+        time(22, 0),
+        time(7, 0),
+    )
+    assert next_quiet_end(
+        current,
+        "Asia/Shanghai",
+        time(22, 0),
+        time(7, 0),
+    ) == datetime(2026, 7, 26, 23, 0)
+