条件单开仓时写入 opened_at，供中控展示开仓时间。

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

lib/options/options_cond_order_lib.py

@@ -45,6 +45,7 @@ def ensure_cond_order_table(conn: sqlite3.Connection) -> None:
             crossed_at TEXT,
             opened_inst_id TEXT,
             opened_trade_id INTEGER,
+            opened_at TEXT,
             message TEXT,
             created_at TEXT,
             updated_at TEXT,
@@ -52,12 +53,29 @@ def ensure_cond_order_table(conn: sqlite3.Connection) -> None:
         )
         """
     )
+    try:
+        conn.execute("ALTER TABLE options_cond_orders ADD COLUMN opened_at TEXT")
+    except Exception:
+        pass
     conn.execute(
         """
         CREATE INDEX IF NOT EXISTS idx_options_cond_orders_status
         ON options_cond_orders(status)
         """
     )
+    try:
+        conn.execute(
+            """
+            UPDATE options_cond_orders
+            SET opened_at = updated_at
+            WHERE opened_at IS NULL
+              AND status = 'open'
+              AND updated_at IS NOT NULL
+              AND TRIM(updated_at) != ''
+            """
+        )
+    except Exception:
+        pass
 
 
 def _now() -> str:
@@ -715,12 +733,14 @@ def _tick_one(
             """
             UPDATE options_cond_orders SET
                 status='open', opened_inst_id=?, opened_trade_id=?,
+                opened_at=COALESCE(opened_at, ?),
                 message=?, updated_at=?
             WHERE hub_order_id=?
             """,
             (
                 inst_id,
                 int(trade_id) if trade_id is not None else None,
+                _now(),
                 f"已开仓 {inst_id}",
                 _now(),
                 order["hub_order_id"],