修正盘后意图保留及手工观察的阶段时序

crates/fidc-core/src/stock_pool_execution.rs

@@ -479,7 +479,7 @@ pub struct StockPoolSelection {
     pub generation: Option<String>,
 }
 
-#[derive(Debug, Clone, Default, PartialEq)]
+#[derive(Debug, Clone, Default, PartialEq, Serialize)]
 pub struct StockPoolDecisionConstraints {
     pub execution_date: Option<NaiveDate>,
     pub frozen_positions: BTreeMap<String, FrozenStockPoolPosition>,
@@ -545,7 +545,7 @@ pub struct StockPoolPlan {
 
 /// A signal-time contract. Only the broker/execution adapter supplies later
 /// prices, actual cash and holdings; strategy code never sees those inputs.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize)]
 pub struct FrozenStockPoolIntent {
     pub pool_id: String,
     pub signal_date: NaiveDate,