统一基准与调仓规格字段

crates/fidc-core/src/platform_strategy_spec.rs

@@ -45,6 +45,8 @@ pub struct StrategyRuntimeSpec {
 pub struct StrategyBenchmarkSpec {
     #[serde(default)]
     pub instrument_id: Option<String>,
+    #[serde(default, alias = "fallback_instrument_id")]
+    pub fallback_instrument_id: Option<String>,
 }
 
 #[derive(Debug, Clone, Default, Deserialize, Serialize)]
@@ -62,6 +64,8 @@ pub struct StrategyRebalanceSpec {
     #[serde(default)]
     pub dates: Vec<String>,
     #[serde(default)]
+    pub schedule: Option<StrategyExpressionScheduleConfig>,
+    #[serde(default)]
     pub trade_times: Vec<String>,
 }