Add rqalpha-style position pnl runtime fields

crates/fidc-core/src/strategy_ai.rs

@@ -174,6 +174,8 @@ pub fn built_in_strategy_manual() -> StrategyAiManual {
                     ManualField { name: "holding_return".to_string(), field_type: "float".to_string(), detail: "持仓收益率，小数。".to_string() },
                     ManualField { name: "profit_pct".to_string(), field_type: "float".to_string(), detail: "持仓收益率，百分比。".to_string() },
                     ManualField { name: "quantity/sellable_qty".to_string(), field_type: "int".to_string(), detail: "持仓数量与可卖数量。".to_string() },
+                    ManualField { name: "trading_pnl/position_pnl".to_string(), field_type: "float".to_string(), detail: "当日交易收益和昨仓持有收益，口径更接近 rqalpha StockPosition。".to_string() },
+                    ManualField { name: "dividend_receivable".to_string(), field_type: "float".to_string(), detail: "当前 symbol 尚未到账的应收分红。".to_string() },
                     ManualField { name: "available_sellable_qty/reserved_open_sell_qty".to_string(), field_type: "int".to_string(), detail: "扣掉未成交卖单占用后的可卖数量，以及当前 symbol 已占用的卖出挂单数量。".to_string() },
                 ],
             },