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

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

tests/test_account_risk_lib.py

@@ -12,11 +12,14 @@ from account_risk_lib import (
     STATUS_DAILY,
     STATUS_FREEZE_1H,
     STATUS_FREEZE_4H,
+    STATUS_FREEZE_POSITION,
     STATUS_NORMAL,
     account_risk_blocks_trading,
+    apply_position_limit_risk,
     compute_account_risk_status,
     enrich_risk_status_countdown,
     ensure_account_risk_schema,
+    max_active_positions_from_env,
     on_journal_saved,
     on_manual_close,
     on_user_initiated_close,
@@ -489,6 +492,33 @@ class AccountRiskLibTests(unittest.TestCase):
         ok, _ = account_risk_blocks_trading(conn, trading_day="2026-06-14", now=now)
         self.assertTrue(ok)
 
+    def test_position_limit_freeze_from_env(self):
+        os.environ["MAX_ACTIVE_POSITIONS"] = "2"
+        st = apply_position_limit_risk({"status": STATUS_NORMAL, "can_trade": True}, 2)
+        self.assertEqual(st["status"], STATUS_FREEZE_POSITION)
+        self.assertEqual(st["status_label"], "仓位上限冻结")
+        self.assertFalse(st["can_trade"])
+        self.assertIn("2/2", st["reason"])
+        self.assertEqual(st["max_active_positions"], 2)
+
+    def test_position_limit_normal_when_under_cap(self):
+        st = apply_position_limit_risk({"status": STATUS_NORMAL, "can_trade": True}, 0, max_active_positions=1)
+        self.assertEqual(st["status"], STATUS_NORMAL)
+        self.assertTrue(st["can_trade"])
+
+    def test_time_freeze_takes_priority_over_position_limit(self):
+        st = apply_position_limit_risk(
+            {"status": STATUS_FREEZE_4H, "status_label": "4h冻结", "can_trade": False},
+            5,
+            max_active_positions=1,
+        )
+        self.assertEqual(st["status"], STATUS_FREEZE_4H)
+        self.assertEqual(st["active_count"], 5)
+
+    def test_max_active_positions_from_env(self):
+        os.environ["MAX_ACTIVE_POSITIONS"] = "3"
+        self.assertEqual(max_active_positions_from_env(), 3)
+
 
 if __name__ == "__main__":
     unittest.main()