Expose process event context to strategy runtime

crates/fidc-core/src/engine.rs

@@ -232,31 +232,42 @@ where
                 .map(|decision_idx| (decision_idx, execution_dates[decision_idx]));
             let (decision_index, decision_date) =
                 decision_slot.unwrap_or((execution_idx, execution_date));
+            let mut process_events = Vec::new();
             let pre_open_orders = self.broker.open_order_views();
-            let daily_context = StrategyContext {
+            let schedule_rules = self.strategy.schedule_rules();
+            publish_phase_event(
+                &mut self.strategy,
+                &mut self.process_event_bus,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &pre_open_orders,
+                &mut process_events,
+                execution_date,
+                ProcessEventKind::PreBeforeTrading,
+                "before_trading:pre",
+            )?;
+            self.strategy.before_trading(&StrategyContext {
                 execution_date,
                 decision_date,
                 decision_index,
                 data: &self.data,
                 portfolio: &portfolio,
                 open_orders: &pre_open_orders,
-            };
-            let schedule_rules = self.strategy.schedule_rules();
-            let mut process_events = Vec::new();
+                process_events: &process_events,
+                active_process_event: None,
+            })?;
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &daily_context,
-                &mut process_events,
                 execution_date,
-                ProcessEventKind::PreBeforeTrading,
-                "before_trading:pre",
-            )?;
-            self.strategy.before_trading(&daily_context)?;
-            publish_phase_event(
-                &mut self.strategy,
-                &mut self.process_event_bus,
-                &daily_context,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &pre_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::BeforeTrading,
@@ -265,7 +276,12 @@ where
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &daily_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &pre_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PostBeforeTrading,
@@ -274,7 +290,12 @@ where
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &daily_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &pre_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PreOpenAuction,
@@ -286,15 +307,33 @@ where
                 execution_date,
                 ScheduleStage::OpenAuction,
                 &schedule_rules,
-                &daily_context,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &pre_open_orders,
                 &mut process_events,
                 &mut self.process_event_bus,
             )?;
-            auction_decision.merge_from(self.strategy.open_auction(&daily_context)?);
+            auction_decision.merge_from(self.strategy.open_auction(&StrategyContext {
+                execution_date,
+                decision_date,
+                decision_index,
+                data: &self.data,
+                portfolio: &portfolio,
+                open_orders: &pre_open_orders,
+                process_events: &process_events,
+                active_process_event: None,
+            })?);
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &daily_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &pre_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::OpenAuction,
@@ -307,25 +346,27 @@ where
                 &auction_decision,
             )?;
             let post_auction_open_orders = self.broker.open_order_views();
-            let post_auction_context = StrategyContext {
-                execution_date,
-                decision_date,
-                decision_index,
-                data: &self.data,
-                portfolio: &portfolio,
-                open_orders: &post_auction_open_orders,
-            };
             publish_process_events(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_auction_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_auction_open_orders,
                 &mut process_events,
                 &mut report.process_events,
             )?;
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_auction_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_auction_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PostOpenAuction,
@@ -335,7 +376,12 @@ where
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_auction_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_auction_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PreOnDay,
@@ -351,6 +397,8 @@ where
                         data: &self.data,
                         portfolio: &portfolio,
                         open_orders: &on_day_open_orders,
+                        process_events: &process_events,
+                        active_process_event: None,
                     })
                 })
                 .transpose()?
@@ -361,29 +409,23 @@ where
                 execution_date,
                 ScheduleStage::OnDay,
                 &schedule_rules,
-                &StrategyContext {
-                    execution_date,
-                    decision_date,
-                    decision_index,
-                    data: &self.data,
-                    portfolio: &portfolio,
-                    open_orders: &on_day_open_orders,
-                },
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &on_day_open_orders,
                 &mut process_events,
                 &mut self.process_event_bus,
             )?);
-            let on_day_context = StrategyContext {
-                execution_date,
-                decision_date,
-                decision_index,
-                data: &self.data,
-                portfolio: &portfolio,
-                open_orders: &on_day_open_orders,
-            };
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &on_day_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &on_day_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::OnDay,
@@ -394,18 +436,15 @@ where
                 self.broker
                     .execute(execution_date, &mut portfolio, &self.data, &decision)?;
             let post_intraday_open_orders = self.broker.open_order_views();
-            let post_intraday_context = StrategyContext {
-                execution_date,
-                decision_date,
-                decision_index,
-                data: &self.data,
-                portfolio: &portfolio,
-                open_orders: &post_intraday_open_orders,
-            };
             publish_process_events(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_intraday_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_intraday_open_orders,
                 &mut process_events,
                 &mut intraday_report.process_events,
             )?;
@@ -419,7 +458,12 @@ where
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_intraday_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_intraday_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PostOnDay,
@@ -429,28 +473,39 @@ where
             portfolio.update_prices(execution_date, &self.data, PriceField::Close)?;
 
             let post_trade_open_orders = self.broker.open_order_views();
-            let post_trade_context = StrategyContext {
+            publish_phase_event(
+                &mut self.strategy,
+                &mut self.process_event_bus,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_trade_open_orders,
+                &mut process_events,
+                execution_date,
+                ProcessEventKind::PreAfterTrading,
+                "after_trading:pre",
+            )?;
+            self.strategy.after_trading(&StrategyContext {
                 execution_date,
                 decision_date,
                 decision_index,
                 data: &self.data,
                 portfolio: &portfolio,
                 open_orders: &post_trade_open_orders,
-            };
+                process_events: &process_events,
+                active_process_event: None,
+            })?;
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_trade_context,
-                &mut process_events,
                 execution_date,
-                ProcessEventKind::PreAfterTrading,
-                "after_trading:pre",
-            )?;
-            self.strategy.after_trading(&post_trade_context)?;
-            publish_phase_event(
-                &mut self.strategy,
-                &mut self.process_event_bus,
-                &post_trade_context,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_trade_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::AfterTrading,
@@ -460,7 +515,12 @@ where
             publish_process_events(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_trade_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_trade_open_orders,
                 &mut process_events,
                 &mut close_report.process_events,
             )?;
@@ -470,18 +530,15 @@ where
             report.account_events.extend(close_report.account_events);
             report.diagnostics.extend(close_report.diagnostics);
             let post_close_open_orders = self.broker.open_order_views();
-            let post_close_context = StrategyContext {
-                execution_date,
-                decision_date,
-                decision_index,
-                data: &self.data,
-                portfolio: &portfolio,
-                open_orders: &post_close_open_orders,
-            };
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_close_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_close_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PostAfterTrading,
@@ -490,17 +547,36 @@ where
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_close_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_close_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PreSettlement,
                 "settlement:pre",
             )?;
-            self.strategy.on_settlement(&post_close_context)?;
+            self.strategy.on_settlement(&StrategyContext {
+                execution_date,
+                decision_date,
+                decision_index,
+                data: &self.data,
+                portfolio: &portfolio,
+                open_orders: &post_close_open_orders,
+                process_events: &process_events,
+                active_process_event: None,
+            })?;
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_close_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_close_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::Settlement,
@@ -509,7 +585,12 @@ where
             publish_phase_event(
                 &mut self.strategy,
                 &mut self.process_event_bus,
-                &post_close_context,
+                execution_date,
+                decision_date,
+                decision_index,
+                &self.data,
+                &portfolio,
+                &post_close_open_orders,
                 &mut process_events,
                 execution_date,
                 ProcessEventKind::PostSettlement,
@@ -1005,7 +1086,11 @@ fn collect_scheduled_decisions<S: Strategy>(
     execution_date: NaiveDate,
     stage: ScheduleStage,
     rules: &[ScheduleRule],
-    ctx: &StrategyContext<'_>,
+    decision_date: NaiveDate,
+    decision_index: usize,
+    data: &crate::data::DataSet,
+    portfolio: &PortfolioState,
+    open_orders: &[crate::strategy::OpenOrderView],
     process_events: &mut Vec<ProcessEvent>,
     process_event_bus: &mut ProcessEventBus,
 ) -> Result<crate::strategy::StrategyDecision, BacktestError> {
@@ -1014,17 +1099,39 @@ fn collect_scheduled_decisions<S: Strategy>(
         publish_phase_event(
             strategy,
             process_event_bus,
-            ctx,
+            execution_date,
+            decision_date,
+            decision_index,
+            data,
+            portfolio,
+            open_orders,
             process_events,
             execution_date,
             ProcessEventKind::PreScheduled,
             format!("scheduled:{}:{}:pre", rule.name, stage_label(stage)),
         )?;
-        combined.merge_from(strategy.on_scheduled(ctx, rule)?);
+        combined.merge_from(strategy.on_scheduled(
+            &StrategyContext {
+                execution_date,
+                decision_date,
+                decision_index,
+                data,
+                portfolio,
+                open_orders,
+                process_events: process_events.as_slice(),
+                active_process_event: None,
+            },
+            rule,
+        )?);
         publish_phase_event(
             strategy,
             process_event_bus,
-            ctx,
+            execution_date,
+            decision_date,
+            decision_index,
+            data,
+            portfolio,
+            open_orders,
             process_events,
             execution_date,
             ProcessEventKind::PostScheduled,
@@ -1037,7 +1144,12 @@ fn collect_scheduled_decisions<S: Strategy>(
 fn publish_phase_event<S: Strategy>(
     strategy: &mut S,
     process_event_bus: &mut ProcessEventBus,
-    ctx: &StrategyContext<'_>,
+    execution_date: NaiveDate,
+    decision_date: NaiveDate,
+    decision_index: usize,
+    data: &crate::data::DataSet,
+    portfolio: &PortfolioState,
+    open_orders: &[crate::strategy::OpenOrderView],
     events: &mut Vec<ProcessEvent>,
     date: NaiveDate,
     kind: ProcessEventKind,
@@ -1052,7 +1164,18 @@ fn publish_phase_event<S: Strategy>(
         detail: detail.into(),
     };
     process_event_bus.publish(&event);
-    strategy.on_process_event(ctx, &event)?;
+    let process_events = events.as_slice();
+    let event_ctx = StrategyContext {
+        execution_date,
+        decision_date,
+        decision_index,
+        data,
+        portfolio,
+        open_orders,
+        process_events,
+        active_process_event: Some(&event),
+    };
+    strategy.on_process_event(&event_ctx, &event)?;
     events.push(event);
     Ok(())
 }
@@ -1060,13 +1183,29 @@ fn publish_phase_event<S: Strategy>(
 fn publish_process_events<S: Strategy>(
     strategy: &mut S,
     process_event_bus: &mut ProcessEventBus,
-    ctx: &StrategyContext<'_>,
+    execution_date: NaiveDate,
+    decision_date: NaiveDate,
+    decision_index: usize,
+    data: &crate::data::DataSet,
+    portfolio: &PortfolioState,
+    open_orders: &[crate::strategy::OpenOrderView],
     target: &mut Vec<ProcessEvent>,
     incoming: &mut Vec<ProcessEvent>,
 ) -> Result<(), BacktestError> {
     for event in incoming.drain(..) {
         process_event_bus.publish(&event);
-        strategy.on_process_event(ctx, &event)?;
+        let process_events = target.as_slice();
+        let event_ctx = StrategyContext {
+            execution_date,
+            decision_date,
+            decision_index,
+            data,
+            portfolio,
+            open_orders,
+            process_events,
+            active_process_event: Some(&event),
+        };
+        strategy.on_process_event(&event_ctx, &event)?;
         target.push(event);
     }
     Ok(())

crates/fidc-core/src/events.rs

@@ -29,6 +29,15 @@ pub enum OrderSide {
     Sell,
 }
 
+impl OrderSide {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            Self::Buy => "buy",
+            Self::Sell => "sell",
+        }
+    }
+}
+
 #[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
 pub enum OrderStatus {
     Pending,
@@ -120,6 +129,38 @@ pub enum ProcessEventKind {
     Trade,
 }
 
+impl ProcessEventKind {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            Self::PreBeforeTrading => "pre_before_trading",
+            Self::BeforeTrading => "before_trading",
+            Self::PostBeforeTrading => "post_before_trading",
+            Self::PreOpenAuction => "pre_open_auction",
+            Self::OpenAuction => "open_auction",
+            Self::PostOpenAuction => "post_open_auction",
+            Self::PreScheduled => "pre_scheduled",
+            Self::PostScheduled => "post_scheduled",
+            Self::PreOnDay => "pre_on_day",
+            Self::OnDay => "on_day",
+            Self::PostOnDay => "post_on_day",
+            Self::PreAfterTrading => "pre_after_trading",
+            Self::AfterTrading => "after_trading",
+            Self::PostAfterTrading => "post_after_trading",
+            Self::PreSettlement => "pre_settlement",
+            Self::Settlement => "settlement",
+            Self::PostSettlement => "post_settlement",
+            Self::OrderPendingNew => "order_pending_new",
+            Self::OrderCreationPass => "order_creation_pass",
+            Self::OrderCreationReject => "order_creation_reject",
+            Self::OrderPendingCancel => "order_pending_cancel",
+            Self::OrderCancellationPass => "order_cancellation_pass",
+            Self::OrderCancellationReject => "order_cancellation_reject",
+            Self::OrderUnsolicitedUpdate => "order_unsolicited_update",
+            Self::Trade => "trade",
+        }
+    }
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ProcessEvent {
     #[serde(with = "date_format")]

crates/fidc-core/src/platform_expr_strategy.rs

@@ -418,6 +418,19 @@ impl PlatformExprStrategy {
             "weekday",
             "is_month_start",
             "is_month_end",
+            "has_process_events",
+            "process_event_count",
+            "current_process_kind",
+            "current_process_order_id",
+            "current_process_symbol",
+            "current_process_side",
+            "current_process_detail",
+            "latest_process_kind",
+            "latest_process_order_id",
+            "latest_process_symbol",
+            "latest_process_side",
+            "latest_process_detail",
+            "process_event_counts",
             "day_factors",
             "symbol",
             "market_cap",
@@ -1156,6 +1169,53 @@ impl PlatformExprStrategy {
         scope.push("open_buy_qty", ctx.open_buy_quantity() as i64);
         scope.push("open_sell_qty", ctx.open_sell_quantity() as i64);
         scope.push("latest_open_order_id", ctx.latest_open_order_id() as i64);
+        scope.push("has_process_events", ctx.has_process_events());
+        scope.push("process_event_count", ctx.process_event_count() as i64);
+        scope.push(
+            "current_process_kind",
+            ctx.current_process_event_kind().to_string(),
+        );
+        scope.push(
+            "current_process_order_id",
+            ctx.current_process_event_order_id() as i64,
+        );
+        scope.push(
+            "current_process_symbol",
+            ctx.current_process_event_symbol().to_string(),
+        );
+        scope.push(
+            "current_process_side",
+            ctx.current_process_event_side().to_string(),
+        );
+        scope.push(
+            "current_process_detail",
+            ctx.current_process_event_detail().to_string(),
+        );
+        scope.push(
+            "latest_process_kind",
+            ctx.latest_process_event_kind().to_string(),
+        );
+        scope.push(
+            "latest_process_order_id",
+            ctx.latest_process_event_order_id() as i64,
+        );
+        scope.push(
+            "latest_process_symbol",
+            ctx.latest_process_event_symbol().to_string(),
+        );
+        scope.push(
+            "latest_process_side",
+            ctx.latest_process_event_side().to_string(),
+        );
+        scope.push(
+            "latest_process_detail",
+            ctx.latest_process_event_detail().to_string(),
+        );
+        let mut process_event_counts = Map::new();
+        for (key, value) in ctx.process_event_counts() {
+            process_event_counts.insert(key.into(), Dynamic::from(value));
+        }
+        scope.push("process_event_counts", process_event_counts.clone());
         let mut day_factors = Map::new();
         day_factors.insert("signal_open".into(), Dynamic::from(day.signal_open));
         day_factors.insert("signal_close".into(), Dynamic::from(day.signal_close));
@@ -1224,6 +1284,58 @@ impl PlatformExprStrategy {
             "latest_open_order_id".into(),
             Dynamic::from(ctx.latest_open_order_id() as i64),
         );
+        day_factors.insert(
+            "has_process_events".into(),
+            Dynamic::from(ctx.has_process_events()),
+        );
+        day_factors.insert(
+            "process_event_count".into(),
+            Dynamic::from(ctx.process_event_count() as i64),
+        );
+        day_factors.insert(
+            "current_process_kind".into(),
+            Dynamic::from(ctx.current_process_event_kind().to_string()),
+        );
+        day_factors.insert(
+            "current_process_order_id".into(),
+            Dynamic::from(ctx.current_process_event_order_id() as i64),
+        );
+        day_factors.insert(
+            "current_process_symbol".into(),
+            Dynamic::from(ctx.current_process_event_symbol().to_string()),
+        );
+        day_factors.insert(
+            "current_process_side".into(),
+            Dynamic::from(ctx.current_process_event_side().to_string()),
+        );
+        day_factors.insert(
+            "current_process_detail".into(),
+            Dynamic::from(ctx.current_process_event_detail().to_string()),
+        );
+        day_factors.insert(
+            "latest_process_kind".into(),
+            Dynamic::from(ctx.latest_process_event_kind().to_string()),
+        );
+        day_factors.insert(
+            "latest_process_order_id".into(),
+            Dynamic::from(ctx.latest_process_event_order_id() as i64),
+        );
+        day_factors.insert(
+            "latest_process_symbol".into(),
+            Dynamic::from(ctx.latest_process_event_symbol().to_string()),
+        );
+        day_factors.insert(
+            "latest_process_side".into(),
+            Dynamic::from(ctx.latest_process_event_side().to_string()),
+        );
+        day_factors.insert(
+            "latest_process_detail".into(),
+            Dynamic::from(ctx.latest_process_event_detail().to_string()),
+        );
+        day_factors.insert(
+            "process_event_counts".into(),
+            Dynamic::from(process_event_counts),
+        );
         scope.push("day_factors", day_factors);
         if let Some(stock) = stock {
             let at_upper_limit =
@@ -2965,7 +3077,8 @@ mod tests {
     };
     use crate::{
         BenchmarkSnapshot, CandidateEligibility, DailyFactorSnapshot, DailyMarketSnapshot, DataSet,
-        Instrument, OpenOrderView, PortfolioState, Strategy, StrategyContext, TradingCalendar,
+        Instrument, OpenOrderView, PortfolioState, ProcessEvent, ProcessEventKind, Strategy,
+        StrategyContext, TradingCalendar,
     };
 
     fn d(year: i32, month: u32, day: u32) -> NaiveDate {
@@ -3080,6 +3193,8 @@ mod tests {
             data: &data,
             portfolio: &portfolio,
             open_orders: &[],
+            process_events: &[],
+            active_process_event: None,
         };
         let mut cfg = PlatformExprStrategyConfig::microcap_rotation();
         cfg.signal_symbol = "000001.SZ".to_string();
@@ -3210,6 +3325,8 @@ mod tests {
             data: &data,
             portfolio: &portfolio,
             open_orders: &[],
+            process_events: &[],
+            active_process_event: None,
         };
         let mut cfg = PlatformExprStrategyConfig::microcap_rotation();
         cfg.signal_symbol = "000001.SZ".to_string();
@@ -3321,6 +3438,8 @@ mod tests {
             data: &data,
             portfolio: &portfolio,
             open_orders: &[],
+            process_events: &[],
+            active_process_event: None,
         };
         let mut cfg = PlatformExprStrategyConfig::microcap_rotation();
         cfg.signal_symbol = "000001.SZ".to_string();
@@ -3433,6 +3552,8 @@ mod tests {
             data: &data,
             portfolio: &portfolio,
             open_orders: &open_orders,
+            process_events: &[],
+            active_process_event: None,
         };
         let mut cfg = PlatformExprStrategyConfig::microcap_rotation();
         cfg.signal_symbol = "000001.SZ".to_string();
@@ -3552,6 +3673,8 @@ mod tests {
             data: &data,
             portfolio: &portfolio,
             open_orders: &open_orders,
+            process_events: &[],
+            active_process_event: None,
         };
         let mut cfg = PlatformExprStrategyConfig::microcap_rotation();
         cfg.signal_symbol = "000001.SZ".to_string();
@@ -3577,4 +3700,111 @@ mod tests {
             other => panic!("unexpected cancel intent: {other:?}"),
         }
     }
+
+    #[test]
+    fn platform_strategy_exposes_process_event_runtime_fields() {
+        let date = d(2025, 2, 3);
+        let data = DataSet::from_components(
+            vec![Instrument {
+                symbol: "000001.SZ".to_string(),
+                name: "Ping An Bank".to_string(),
+                board: "SZSE".to_string(),
+                round_lot: 100,
+                listed_at: Some(d(2010, 1, 1)),
+                delisted_at: None,
+                status: "active".to_string(),
+            }],
+            vec![DailyMarketSnapshot {
+                date,
+                symbol: "000001.SZ".to_string(),
+                timestamp: Some("10:18:00".to_string()),
+                day_open: 10.0,
+                open: 10.0,
+                high: 10.2,
+                low: 9.9,
+                close: 10.1,
+                last_price: 10.05,
+                bid1: 10.04,
+                ask1: 10.05,
+                prev_close: 9.95,
+                volume: 1_000_000,
+                tick_volume: 5_000,
+                bid1_volume: 1_000,
+                ask1_volume: 1_000,
+                trading_phase: Some("continuous".to_string()),
+                paused: false,
+                upper_limit: 10.94,
+                lower_limit: 8.96,
+                price_tick: 0.01,
+            }],
+            vec![DailyFactorSnapshot {
+                date,
+                symbol: "000001.SZ".to_string(),
+                market_cap_bn: 12.0,
+                free_float_cap_bn: 10.0,
+                pe_ttm: 8.0,
+                turnover_ratio: Some(22.0),
+                effective_turnover_ratio: Some(18.0),
+                extra_factors: BTreeMap::new(),
+            }],
+            vec![CandidateEligibility {
+                date,
+                symbol: "000001.SZ".to_string(),
+                is_st: false,
+                is_new_listing: false,
+                is_paused: false,
+                allow_buy: true,
+                allow_sell: true,
+                is_kcb: false,
+                is_one_yuan: false,
+            }],
+            vec![BenchmarkSnapshot {
+                date,
+                benchmark: "000852.SH".to_string(),
+                open: 1000.0,
+                close: 1002.0,
+                prev_close: 998.0,
+                volume: 1_000_000,
+            }],
+        )
+        .expect("dataset");
+        let portfolio = PortfolioState::new(1_000_000.0);
+        let process_events = vec![ProcessEvent {
+            date,
+            kind: ProcessEventKind::OrderCreationReject,
+            order_id: Some(55),
+            symbol: Some("000001.SZ".to_string()),
+            side: Some(crate::OrderSide::Buy),
+            detail: "open at or above upper limit".to_string(),
+        }];
+        let ctx = StrategyContext {
+            execution_date: date,
+            decision_date: date,
+            decision_index: 0,
+            data: &data,
+            portfolio: &portfolio,
+            open_orders: &[],
+            process_events: &process_events,
+            active_process_event: None,
+        };
+        let mut cfg = PlatformExprStrategyConfig::microcap_rotation();
+        cfg.signal_symbol = "000001.SZ".to_string();
+        cfg.rotation_enabled = false;
+        cfg.benchmark_short_ma_days = 1;
+        cfg.benchmark_long_ma_days = 1;
+        cfg.explicit_actions = vec![PlatformTradeAction::Order {
+            kind: PlatformExplicitOrderKind::Value,
+            symbol: "000001.SZ".to_string(),
+            amount_expr: "cash * 0.1".to_string(),
+            limit_price_expr: None,
+            when_expr: Some(
+                "has_process_events && process_event_count == 1 && latest_process_kind == \"order_creation_reject\" && latest_process_order_id == 55 && latest_process_symbol == \"000001.SZ\" && latest_process_side == \"buy\" && process_event_counts[\"order_creation_reject\"] == 1".to_string(),
+            ),
+            reason: "process_event_aware_entry".to_string(),
+        }];
+        let mut strategy = PlatformExprStrategy::new(cfg);
+
+        let decision = strategy.on_day(&ctx).expect("platform decision");
+        assert_eq!(decision.order_intents.len(), 1);
+    }
 }

crates/fidc-core/src/strategy.rs

@@ -70,6 +70,8 @@ pub struct StrategyContext<'a> {
     pub data: &'a DataSet,
     pub portfolio: &'a PortfolioState,
     pub open_orders: &'a [OpenOrderView],
+    pub process_events: &'a [ProcessEvent],
+    pub active_process_event: Option<&'a ProcessEvent>,
 }
 
 impl StrategyContext<'_> {
@@ -154,6 +156,103 @@ impl StrategyContext<'_> {
     pub fn available_sellable_qty(&self, symbol: &str, raw_sellable_qty: u32) -> u32 {
         raw_sellable_qty.saturating_sub(self.symbol_open_sell_quantity(symbol))
     }
+
+    pub fn has_process_events(&self) -> bool {
+        !self.process_events.is_empty() || self.active_process_event.is_some()
+    }
+
+    pub fn process_event_count(&self) -> usize {
+        self.process_events.len() + usize::from(self.active_process_event.is_some())
+    }
+
+    pub fn process_event_count_by_kind(&self, kind: crate::events::ProcessEventKind) -> usize {
+        self.process_events
+            .iter()
+            .filter(|event| event.kind == kind)
+            .count()
+            + usize::from(
+                self.active_process_event
+                    .is_some_and(|event| event.kind == kind),
+            )
+    }
+
+    pub fn latest_process_event(&self) -> Option<&ProcessEvent> {
+        self.active_process_event
+            .or_else(|| self.process_events.last())
+    }
+
+    pub fn latest_process_event_kind(&self) -> &'static str {
+        self.latest_process_event()
+            .map(|event| event.kind.as_str())
+            .unwrap_or("")
+    }
+
+    pub fn latest_process_event_order_id(&self) -> u64 {
+        self.latest_process_event()
+            .and_then(|event| event.order_id)
+            .unwrap_or(0)
+    }
+
+    pub fn latest_process_event_symbol(&self) -> &str {
+        self.latest_process_event()
+            .and_then(|event| event.symbol.as_deref())
+            .unwrap_or("")
+    }
+
+    pub fn latest_process_event_side(&self) -> &'static str {
+        self.latest_process_event()
+            .and_then(|event| event.side.as_ref())
+            .map(OrderSide::as_str)
+            .unwrap_or("")
+    }
+
+    pub fn latest_process_event_detail(&self) -> &str {
+        self.latest_process_event()
+            .map(|event| event.detail.as_str())
+            .unwrap_or("")
+    }
+
+    pub fn current_process_event_kind(&self) -> &'static str {
+        self.active_process_event
+            .map(|event| event.kind.as_str())
+            .unwrap_or("")
+    }
+
+    pub fn current_process_event_order_id(&self) -> u64 {
+        self.active_process_event
+            .and_then(|event| event.order_id)
+            .unwrap_or(0)
+    }
+
+    pub fn current_process_event_symbol(&self) -> &str {
+        self.active_process_event
+            .and_then(|event| event.symbol.as_deref())
+            .unwrap_or("")
+    }
+
+    pub fn current_process_event_side(&self) -> &'static str {
+        self.active_process_event
+            .and_then(|event| event.side.as_ref())
+            .map(OrderSide::as_str)
+            .unwrap_or("")
+    }
+
+    pub fn current_process_event_detail(&self) -> &str {
+        self.active_process_event
+            .map(|event| event.detail.as_str())
+            .unwrap_or("")
+    }
+
+    pub fn process_event_counts(&self) -> BTreeMap<String, i64> {
+        let mut counts = BTreeMap::<String, i64>::new();
+        for event in self.process_events {
+            *counts.entry(event.kind.as_str().to_string()).or_insert(0) += 1;
+        }
+        if let Some(event) = self.active_process_event {
+            *counts.entry(event.kind.as_str().to_string()).or_insert(0) += 1;
+        }
+        counts
+    }
 }
 
 #[derive(Debug, Clone, Default)]

crates/fidc-core/src/strategy_ai.rs

@@ -140,6 +140,9 @@ pub fn built_in_strategy_manual() -> StrategyAiManual {
                     ManualField { name: "position_count/max_positions/refresh_rate".to_string(), field_type: "int".to_string(), detail: "仓位计数与调仓周期。".to_string() },
                     ManualField { name: "has_open_orders/open_order_count/open_buy_order_count/open_sell_order_count".to_string(), field_type: "bool/int".to_string(), detail: "当前阶段挂单簿摘要。".to_string() },
                     ManualField { name: "open_buy_qty/open_sell_qty/latest_open_order_id".to_string(), field_type: "int".to_string(), detail: "当前阶段未成交买卖挂单的剩余数量汇总，以及最近一笔挂单 id。".to_string() },
+                    ManualField { name: "has_process_events/process_event_count/process_event_counts".to_string(), field_type: "bool/int/map".to_string(), detail: "当前阶段可见的过程事件摘要；process_event_counts[\"trade\"] 这类写法可直接读取当天事件计数。".to_string() },
+                    ManualField { name: "current_process_kind/current_process_order_id/current_process_symbol/current_process_side/current_process_detail".to_string(), field_type: "string/int".to_string(), detail: "当前正在回调的过程事件上下文；没有活动事件时为空字符串或 0。".to_string() },
+                    ManualField { name: "latest_process_kind/latest_process_order_id/latest_process_symbol/latest_process_side/latest_process_detail".to_string(), field_type: "string/int".to_string(), detail: "当前阶段最近一条过程事件的摘要，可用于让 on_day/open_auction 逻辑响应 earlier lifecycle 或订单事件。".to_string() },
                     ManualField { name: "year/month/quarter/day_of_month/day_of_year/week_of_year/weekday".to_string(), field_type: "int".to_string(), detail: "日期维度字段。".to_string() },
                     ManualField { name: "is_month_start/is_month_end".to_string(), field_type: "bool".to_string(), detail: "月初/月末标记。".to_string() },
                 ],