Add open auction strategy hook

crates/fidc-core/tests/engine_hooks.rs

@@ -29,6 +29,16 @@ impl Strategy for HookProbeStrategy {
         Ok(())
     }
 
+    fn open_auction(
+        &mut self,
+        ctx: &StrategyContext<'_>,
+    ) -> Result<(), fidc_core::BacktestError> {
+        self.log
+            .borrow_mut()
+            .push(format!("auction:{}", ctx.execution_date));
+        Ok(())
+    }
+
     fn on_day(
         &mut self,
         ctx: &StrategyContext<'_>,
@@ -217,10 +227,12 @@ fn engine_runs_strategy_hooks_in_daily_order() {
         log.borrow().as_slice(),
         [
             "before:2025-01-02",
+            "auction:2025-01-02",
             "on_day:2025-01-02",
             "after:2025-01-02",
             "settlement:2025-01-02",
             "before:2025-01-03",
+            "auction:2025-01-03",
             "on_day:2025-01-03",
             "after:2025-01-03",
             "settlement:2025-01-03",