明确红利账务再投来源并修复流式遗漏与校正时钟

crates/fidc-core/src/manual_execution.rs

@@ -493,6 +493,8 @@ pub struct ManualCorporateAdjustment {
     pub observed_at: DateTime<Utc>,
     pub cash_dividends_enabled: bool,
     pub dividend_cost_basis_adjustment: bool,
+    #[serde(default, skip_serializing_if = "disabled_flag")]
+    pub dividend_reinvestment: bool,
     pub actions: Vec<ManualCorporateActionReference>,
     pub cash_before: String,
     pub cash_after: String,
@@ -502,6 +504,8 @@ pub struct ManualCorporateAdjustment {
     pub replayed_sha256: String,
 }
 
+fn disabled_flag(value: &bool) -> bool { !value }
+
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 #[serde(deny_unknown_fields, rename_all = "camelCase")]
 pub struct ManualCorporateActionReference {