fix(stock-pool): execute verified ETF daily fallbacks with frozen next-open targets

crates/fidc-core/src/events.rs

@@ -318,6 +318,7 @@ pub enum ProcessEventKind {
     AccountFinanceRepay,
     AccountManagementFee,
     SessionCapacityAudit,
+    EtfExecutionFallback,
 }
 
 impl ProcessEventKind {
@@ -364,6 +365,7 @@ impl ProcessEventKind {
             Self::AccountFinanceRepay => "account_finance_repay",
             Self::AccountManagementFee => "account_management_fee",
             Self::SessionCapacityAudit => "session_capacity_audit",
+            Self::EtfExecutionFallback => "etf_execution_fallback",
         }
     }
 
@@ -396,6 +398,7 @@ impl ProcessEventKind {
                 | Self::AccountFinanceRepay
                 | Self::AccountManagementFee
                 | Self::SessionCapacityAudit
+                | Self::EtfExecutionFallback
                 | Self::Settlement
         )
     }