feat: 持仓保证金占比与止盈止损自动委托守护

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

recommend_store.py

@@ -30,10 +30,12 @@ def refresh_recommend_cache(
     conn,
     capital: float,
     quote_fn: Callable[[str], Optional[dict]],
+    *,
+    trading_mode: str = "simulation",
 ) -> list[dict]:
     """后台拉行情、筛选并写入数据库。"""
     ensure_recommend_tables(conn)
-    all_rows = list_product_recommendations(capital, quote_fn)
+    all_rows = list_product_recommendations(capital, quote_fn, trading_mode=trading_mode)
     rows = filter_affordable_recommendations(all_rows)
     now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     conn.execute(
@@ -49,18 +51,39 @@ def refresh_recommend_cache(
     return rows
 
 
+def recommend_cache_stale(updated_at: Optional[str], *, now: Optional[datetime] = None) -> bool:
+    """缓存是否不是今日更新（需重新拉行情计算）。"""
+    if not updated_at:
+        return True
+    try:
+        cached_day = datetime.strptime(str(updated_at)[:10], "%Y-%m-%d").date()
+    except ValueError:
+        return True
+    today = (now or datetime.now()).date()
+    return cached_day != today
+
+
 def load_recommend_cache(conn) -> dict:
     """优先从数据库读取推荐列表。"""
     ensure_recommend_tables(conn)
     row = conn.execute("SELECT capital, rows_json, updated_at FROM product_recommend_cache WHERE id=1").fetchone()
     if not row:
-        return {"capital": 0.0, "rows": [], "updated_at": None}
+        return {"capital": 0.0, "rows": [], "updated_at": None, "stale": True}
     try:
         rows = json.loads(row["rows_json"] or "[]")
     except (TypeError, ValueError, json.JSONDecodeError):
         rows = []
+    updated_at = row["updated_at"]
     return {
         "capital": float(row["capital"] or 0),
         "rows": rows if isinstance(rows, list) else [],
-        "updated_at": row["updated_at"],
+        "updated_at": updated_at,
+        "stale": recommend_cache_stale(updated_at),
     }
+
+
+def recommend_payload(conn, *, live_capital: float) -> dict:
+    """读取缓存并附带当前权益（展示用，可能与缓存计算时不同）。"""
+    payload = load_recommend_cache(conn)
+    payload["capital"] = float(live_capital or 0)
+    return payload