From 992d0e063cb15b240c28bd7b253f14bf6fe45c45 Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Sun, 12 Jul 2026 04:41:58 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=9D=E7=95=99=E6=AC=A1=E6=97=A5=E6=89=A7?=
 =?UTF-8?q?=E8=A1=8C=E7=9B=AE=E6=A0=87=E5=B8=82=E5=80=BC=E6=8C=87=E4=BB=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../fidc-core/src/platform_expr_strategy.rs   | 29 ++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/crates/fidc-core/src/platform_expr_strategy.rs b/crates/fidc-core/src/platform_expr_strategy.rs
index 1fad2c3..f2704cf 100644
--- a/crates/fidc-core/src/platform_expr_strategy.rs
+++ b/crates/fidc-core/src/platform_expr_strategy.rs
@@ -684,6 +684,14 @@ impl PlatformExprStrategy {
         selection_limit.max((selection_limit as f64 * multiple) as usize)
     }
 
+    fn should_emit_rebalance_target_value(
+        defer_execution: bool,
+        before_qty: u32,
+        projected_after_qty: u32,
+    ) -> bool {
+        defer_execution || projected_after_qty != before_qty
+    }
+
     fn buffered_selection(
         ranked_symbols: &[String],
         held_symbols: &BTreeSet<String>,
@@ -9453,6 +9461,12 @@ impl Strategy for PlatformExprStrategy {
                         if after_qty != before_qty {
                             projected = trial_projected;
                             projected_execution_state = trial_execution_state;
+                        }
+                        if Self::should_emit_rebalance_target_value(
+                            defer_execution_risk,
+                            before_qty,
+                            after_qty,
+                        ) {
                             order_intents.push(OrderIntent::TargetValue {
                                 symbol: symbol.clone(),
                                 target_value,
@@ -9461,8 +9475,8 @@ impl Strategy for PlatformExprStrategy {
                             if after_qty > before_qty {
                                 intraday_attempted_buys.insert(symbol.clone());
                             }
-                            aiquant_available_cash = projected.cash().max(0.0);
                         }
+                        aiquant_available_cash = projected.cash().max(0.0);
                         continue;
                     }
                     if same_day_sold_symbols.contains(symbol)
@@ -29750,4 +29764,17 @@ mod tests {
             vec!["000005.SZ", "000006.SZ", "000001.SZ", "000002.SZ"]
         );
     }
+
+    #[test]
+    fn lagged_rebalance_emits_target_value_even_when_projection_is_unchanged() {
+        assert!(PlatformExprStrategy::should_emit_rebalance_target_value(
+            true, 10_000, 10_000
+        ));
+        assert!(!PlatformExprStrategy::should_emit_rebalance_target_value(
+            false, 10_000, 10_000
+        ));
+        assert!(PlatformExprStrategy::should_emit_rebalance_target_value(
+            false, 10_000, 10_100
+        ));
+    }
 }