Add weekend open skip, expiry force-close, and Chinese trade labels.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/tests/test_p1_p2_rules.py

@@ -4,7 +4,7 @@ from zoneinfo import ZoneInfo
 from app.sim.liquidity import bid_mark_ok
 from app.sim.pricing import option_fill, perp_fill
 from app.strategy.clock import can_open_new, window_key
-from app.strategy.exits import check_exits
+from app.strategy.exits import check_expiry_close, check_exits
 from app.strategy.signal import decide
 
 _SH = ZoneInfo("Asia/Shanghai")
@@ -83,13 +83,18 @@ def test_option_open_close_pricing() -> None:
     assert c.fill_px < 10
 
 
-def test_window_always_open() -> None:
-    n = datetime(2026, 7, 24, 17, 0, tzinfo=_SH)
-    assert can_open_new(n) is True
-    assert window_key(n) == "20260724"
-    n2 = datetime(2026, 7, 24, 10, 0, tzinfo=_SH)
-    assert can_open_new(n2) is True
-    assert window_key(n2) == "20260724"
+def test_window_weekend_skip() -> None:
+    # 2026-07-24 周五可开；25/26 周六日不可开
+    fri = datetime(2026, 7, 24, 17, 0, tzinfo=_SH)
+    sat = datetime(2026, 7, 25, 12, 0, tzinfo=_SH)
+    sun = datetime(2026, 7, 26, 10, 0, tzinfo=_SH)
+    mon = datetime(2026, 7, 27, 9, 0, tzinfo=_SH)
+    assert can_open_new(fri, skip_weekends=True) is True
+    assert can_open_new(sat, skip_weekends=True) is False
+    assert can_open_new(sun, skip_weekends=True) is False
+    assert can_open_new(mon, skip_weekends=True) is True
+    assert can_open_new(sat, skip_weekends=False) is True
+    assert window_key(fri) == "20260724"
 
 
 def test_bid_mark_deviation_30pct() -> None:
@@ -101,3 +106,14 @@ def test_bid_mark_deviation_30pct() -> None:
     ok3, why = bid_mark_ok(bid=None, mark=10.0, max_dev_pct=30)
     assert ok3 is False
     assert "买一" in why
+
+
+def test_expiry_close() -> None:
+    assert check_expiry_close(expiry_ms=None).should_close is False
+    d = check_expiry_close(expiry_ms=1_000, now_ms=999)
+    assert d.should_close is False
+    d2 = check_expiry_close(expiry_ms=1_000, now_ms=1_000)
+    assert d2.should_close is True
+    assert d2.reason == "expiry"
+    d3 = check_expiry_close(expiry_ms=1_000, now_ms=1_001)
+    assert d3.should_close is True