Show position-limit freeze on hub and instance risk badges.

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

account_risk_lib.py

@@ -9,12 +9,14 @@ STATUS_NORMAL = "normal"
 STATUS_FREEZE_1H = "freeze_1h"
 STATUS_FREEZE_4H = "freeze_4h"
 STATUS_DAILY = "freeze_daily"
+STATUS_FREEZE_POSITION = "freeze_position"
 
 STATUS_LABELS = {
     STATUS_NORMAL: "正常",
     STATUS_FREEZE_1H: "1h冻结",
     STATUS_FREEZE_4H: "4h冻结",
     STATUS_DAILY: "日冻结",
+    STATUS_FREEZE_POSITION: "仓位上限冻结",
 }
 
 MOOD_ISSUE_OPTIONS = (
@@ -84,6 +86,13 @@ def manual_close_daily_limit() -> int:
         return 2
 
 
+def max_active_positions_from_env(default: int = 1) -> int:
+    try:
+        return max(1, int(os.getenv("MAX_ACTIVE_POSITIONS", str(default))))
+    except (TypeError, ValueError):
+        return max(1, default)
+
+
 def mood_issues_daily_freeze_enabled() -> bool:
     return _env_bool("RISK_MOOD_ISSUES_DAILY_FREEZE", True)
 
@@ -688,6 +697,39 @@ def enrich_risk_status_countdown(
     return st
 
 
+def apply_position_limit_risk(
+    st: dict[str, Any],
+    active_count: int,
+    *,
+    max_active_positions: Optional[int] = None,
+) -> dict[str, Any]:
+    """持仓达 env MAX_ACTIVE_POSITIONS 时叠加「仓位上限冻结」（时间冻结优先展示）。"""
+    out = dict(st or {})
+    try:
+        mx = max(1, int(max_active_positions if max_active_positions is not None else max_active_positions_from_env()))
+    except (TypeError, ValueError):
+        mx = max_active_positions_from_env()
+    try:
+        ac = max(0, int(active_count))
+    except (TypeError, ValueError):
+        ac = 0
+    out["max_active_positions"] = mx
+    out["active_count"] = ac
+    if out.get("status") != STATUS_NORMAL:
+        return out
+    if ac >= mx:
+        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}），平仓前不可新开"
+        out["position_limit_frozen"] = True
+        out["freeze_until_ms"] = None
+        out["freeze_remaining_sec"] = 0
+    else:
+        out["position_limit_frozen"] = False
+    return out
+
+
 def compute_account_risk_status(
     conn,
     *,