Shorten force-close window to 5m and grey-out open during blocks.

Unify Gate/OKX/Binance: disable the open button with a side note during force-close, cooloff, and daily freeze, and enforce the same gate server-side.

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

tests/test_force_close_lib.py

@@ -49,7 +49,8 @@ def test_next_force_close_after_trigger_same_day():
 
 
 def test_executing_window_and_countdown():
-    now = _ms(2026, 7, 6, 0, 14)
+    # 默认宽限 5 分钟:00:04 仍在执行窗
+    now = _ms(2026, 7, 6, 0, 4)
     assert is_force_close_executing(0, now_ms=now, tz_name="Asia/Shanghai")
     assert is_force_close_active_hour(0, now_ms=now, tz_name="Asia/Shanghai")
     state = build_force_close_state(
@@ -57,17 +58,21 @@ def test_executing_window_and_countdown():
     )
     assert state["enabled"] is True
     assert state["active"] is True
+    assert state["executing"] is True
+    assert state["grace_minutes"] == 5
     assert state["countdown"] == "执行中"
     assert state["next_at_ms"] == _ms(2026, 7, 7, 0, 0)
 
 
 def test_not_executing_after_grace_without_positions():
-    now = _ms(2026, 7, 7, 0, 18)
+    # 默认宽限 5 分钟:00:05 起已离开执行窗
+    now = _ms(2026, 7, 7, 0, 5)
     assert not is_force_close_executing(0, now_ms=now, tz_name="Asia/Shanghai")
     state = build_force_close_state(
         True, 0, now_ms=now, tz_name="Asia/Shanghai", has_active_positions=False
     )
     assert state["active"] is False
+    assert state["executing"] is False
     assert state["countdown"] != "执行中"
     assert state["next_at_ms"] == _ms(2026, 7, 8, 0, 0)
 
@@ -85,6 +90,8 @@ def test_format_countdown():
 
 def test_infer_force_close_from_closed_at():
     assert is_close_at_force_close_window("2026-07-07 00:00", 0)
+    assert is_close_at_force_close_window("2026-07-07 00:04", 0)
+    assert not is_close_at_force_close_window("2026-07-07 00:05", 0)
     assert infer_force_close_result("2026-07-07 00:00", enabled=True, bj_hour=0) == "强制清仓"
     assert infer_force_close_result("2026-07-07 00:20", enabled=True, bj_hour=0) is None