Allow roll add-ons while position-limit freeze is active.

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

account_risk_lib.py

@@ -93,6 +93,19 @@ def max_active_positions_from_env(default: int = 1) -> int:
         return max(1, default)
 
 
+def position_limit_reached(
+    conn,
+    *,
+    max_active_positions: Optional[int] = None,
+) -> tuple[bool, int, int]:
+    """(已达上限, 计入上限的活跃数, 上限值)。"""
+    from strategy_trade_labels import count_position_limit_active_monitors
+
+    mx = max(1, int(max_active_positions if max_active_positions is not None else max_active_positions_from_env()))
+    ac = count_position_limit_active_monitors(conn)
+    return ac >= mx, ac, mx
+
+
 def mood_issues_daily_freeze_enabled() -> bool:
     return _env_bool("RISK_MOOD_ISSUES_DAILY_FREEZE", True)
 
@@ -721,12 +734,14 @@ def apply_position_limit_risk(
         out["status"] = STATUS_FREEZE_POSITION
         out["status_label"] = STATUS_LABELS[STATUS_FREEZE_POSITION]
         out["can_trade"] = False
-        out["reason"] = f"已达最大持仓数（{ac}/{mx}，不含趋势回调/顺势加仓），平仓前不可新开"
+        out["can_roll"] = True
+        out["reason"] = f"已达最大持仓数（{ac}/{mx}），新开仓已冻结，顺势加仓仍可用"
         out["position_limit_frozen"] = True
         out["freeze_until_ms"] = None
         out["freeze_remaining_sec"] = 0
     else:
         out["position_limit_frozen"] = False
+        out["can_roll"] = True
     return out