Hide SIM label in WeCom; count completed rounds from closed groups.

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

backend/app/strategy/engine.py

@@ -119,7 +119,7 @@ class StrategyEngine:
         return {
             "running": bool(row["running"]),
             "phase": row["phase"],
-            "rounds_done": int(row["rounds_done"] or 0),
+            "rounds_done": self._closed_rounds(),
             "window_key": row["window_key"],
             "rest_until_ms": rest_until,
             "rest_left_sec": rest_left,
@@ -266,11 +266,16 @@ class StrategyEngine:
         """全平成功后进入组间休息（自动 / 手动 / 紧急共用）。"""
         self._after_close()
 
+    def _closed_rounds(self) -> int:
+        """已完成组数 = 已平仓组数量（与顶栏总交易口径一致，避免计数漂移）。"""
+        row = self.db.fetchone(
+            "SELECT COUNT(*) AS n FROM groups WHERE status='closed'"
+        )
+        return int(row["n"] or 0) if row else 0
+
     def _after_close(self) -> None:
         s = get_settings()
-        row = self.db.fetchone("SELECT * FROM strategy_state WHERE id=1")
-        assert row is not None
-        rounds = int(row["rounds_done"] or 0) + 1
+        rounds = self._closed_rounds()
         rest_sec = self.ledger.get_setting_int("rest_seconds", s.rest_seconds)
         rest_until = int(time.time() * 1000) + rest_sec * 1000
         self._set_state(