feat(risk): show live countdown on freeze status badges

Expose freeze_until_ms from risk API and tick hub/instance badges with remaining 1h/4h/daily time.

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

tests/test_account_risk_lib.py

@@ -248,6 +248,38 @@ class AccountRiskLibTests(unittest.TestCase):
     def test_parse_mood_issues_filters_unknown(self):
         self.assertEqual(parse_mood_issues("怕踏空,未知标签,扛单"), ["怕踏空", "扛单"])
 
+    def test_enrich_countdown_for_daily_and_cooloff(self):
+        conn = _mem_conn()
+        now = datetime(2026, 6, 14, 12, 0, 0)
+        close_ms = int(now.replace(tzinfo=timezone.utc).timestamp() * 1000)
+        on_user_initiated_close(
+            conn,
+            source=CLOSE_SOURCE_USER_INSTANCE,
+            closed_at_ms=close_ms,
+            trading_day="2026-06-14",
+            now=now,
+        )
+        st = compute_account_risk_status(conn, trading_day="2026-06-14", now=now)
+        from account_risk_lib import enrich_risk_status_countdown
+
+        st = enrich_risk_status_countdown(st, now=now, daily_reset_hour=8)
+        self.assertGreater(st["freeze_remaining_sec"], 0)
+        self.assertEqual(st["freeze_until_ms"], st["cooloff_until_ms"])
+
+        on_journal_saved(
+            conn,
+            early_exit_trigger="止损",
+            early_exit_note="",
+            mood_issues_raw="扛单",
+            trading_day="2026-06-14",
+            now=now,
+        )
+        st2 = compute_account_risk_status(conn, trading_day="2026-06-14", now=now)
+        st2 = enrich_risk_status_countdown(st2, now=now, daily_reset_hour=8)
+        self.assertTrue(st2["daily_frozen"])
+        self.assertGreater(st2["freeze_remaining_sec"], 0)
+        self.assertIsNotNone(st2["freeze_until_ms"])
+
     def test_disabled_risk_control(self):
         os.environ["RISK_CONTROL_ENABLED"] = "0"
         conn = _mem_conn()