拆分调仓日期与执行时钟

crates/fidc-core/src/scheduler.rs

@@ -164,6 +164,16 @@ impl<'a> Scheduler<'a> {
             .collect()
     }
 
+    /// Evaluate only the trading-calendar frequency of a rule.
+    ///
+    /// Strategy callbacks and order execution clocks are separate contracts:
+    /// a 15:00 schedule is still due on the same daily/weekly/monthly trading
+    /// date even when the engine's coarse `on_day` callback runs at another
+    /// default time. Exact clock matching remains in `triggered_rules_at`.
+    pub fn is_due_on(&self, date: NaiveDate, rule: &ScheduleRule) -> bool {
+        self.matches(date, rule)
+    }
+
     fn matches(&self, date: NaiveDate, rule: &ScheduleRule) -> bool {
         match &rule.frequency {
             ScheduleFrequency::Daily => true,
@@ -265,6 +275,29 @@ mod tests {
         ])
     }
 
+    #[test]
+    fn date_due_is_independent_from_the_order_execution_clock() {
+        let calendar = sample_calendar();
+        let scheduler = Scheduler::new(&calendar);
+        let daily = ScheduleRule::daily("close_signal", ScheduleStage::OnDay)
+            .with_time_rule(ScheduleTimeRule::physical_time(15, 0));
+
+        assert!(scheduler.is_due_on(d(2025, 1, 30), &daily));
+        assert!(scheduler.is_due_on(d(2025, 1, 31), &daily));
+        assert!(scheduler.triggered_rules_at(
+            d(2025, 1, 30),
+            ScheduleStage::OnDay,
+            Some(NaiveTime::from_hms_opt(15, 0, 0).unwrap()),
+            std::slice::from_ref(&daily),
+        ).len() == 1);
+        assert!(scheduler.triggered_rules_at(
+            d(2025, 1, 30),
+            ScheduleStage::OnDay,
+            Some(NaiveTime::from_hms_opt(10, 18, 0).unwrap()),
+            std::slice::from_ref(&daily),
+        ).is_empty());
+    }
+
     #[test]
     fn scheduler_matches_daily_weekly_and_monthly_rules() {
         let calendar = sample_calendar();