同步更新：重构路由、服务模块，更新前端构建

tests/test_schedule_utils.py

@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+from datetime import datetime
+
+from services.schedule_utils import compute_next_run_at, format_cst
+from services.time_utils import BEIJING_TZ
+
+
+def _dt(text: str) -> datetime:
+    naive = datetime.strptime(text, "%Y-%m-%d %H:%M:%S")
+    return BEIJING_TZ.localize(naive)
+
+
+def test_compute_next_run_at_weekday_filter():
+    now = _dt("2025-01-06 07:00:00")  # 周一
+    next_dt = compute_next_run_at(
+        now=now,
+        schedule_time="08:00",
+        weekdays="2",  # 仅周二
+        random_delay=0,
+        last_run_at=None,
+    )
+    assert format_cst(next_dt) == "2025-01-07 08:00:00"
+
+
+def test_compute_next_run_at_random_delay_within_window(monkeypatch):
+    now = _dt("2025-01-06 06:00:00")
+
+    # 固定随机值：0 => window_start（schedule_time-15min）
+    monkeypatch.setattr("services.schedule_utils.random.randint", lambda a, b: 0)
+
+    next_dt = compute_next_run_at(
+        now=now,
+        schedule_time="08:00",
+        weekdays="1,2,3,4,5,6,7",
+        random_delay=1,
+        last_run_at=None,
+    )
+    assert format_cst(next_dt) == "2025-01-06 07:45:00"
+
+
+def test_compute_next_run_at_skips_same_day_if_last_run_today(monkeypatch):
+    now = _dt("2025-01-06 06:00:00")
+
+    # 让次日的随机值固定，便于断言
+    monkeypatch.setattr("services.schedule_utils.random.randint", lambda a, b: 30)
+
+    next_dt = compute_next_run_at(
+        now=now,
+        schedule_time="08:00",
+        weekdays="1,2,3,4,5,6,7",
+        random_delay=1,
+        last_run_at="2025-01-06 01:00:00",
+    )
+    # 次日 window_start=07:45 + 30min => 08:15
+    assert format_cst(next_dt) == "2025-01-07 08:15:00"