feat: expose platform production correlation for submitted alphas in displayed columns

frontend/src/pages/AlphaPage.tsx

@@ -646,8 +646,13 @@ export function AlphaPage({
       render: (_, row) => formatTime(row!.date_created, account?.timezone),
     },
   ];
+  // Submitted alphas always expose the platform production correlation, including saved views.
+  const displayedColumns =
+    submission === "SUBMITTED"
+      ? [...new Set([...visibleColumns, "prod_correlation"])]
+      : visibleColumns;
   const columns = columnDefinitions
-    .filter((column) => visibleColumns.includes(String(column.key)))
+    .filter((column) => displayedColumns.includes(String(column.key)))
     .map((column) => (compact ? { ...column, fixed: undefined } : column));
   const activeFilterCount = Object.values(filters).filter(Boolean).length;
   const options = (key: string) =>
@@ -909,7 +914,7 @@ export function AlphaPage({
           suspended={overlaySuspended || !active}
           onOverlay={onOverlay}
           filters={{ ...filters, submission, sort, direction, limit: pageSize }}
-          columns={visibleColumns}
+          columns={displayedColumns}
           onRestore={(view) => {
             setFilterOpen(false);
             const {
@@ -984,12 +989,15 @@ export function AlphaPage({
                   <strong>显示列</strong>
                   <CheckboxGroup
                     direction="vertical"
-                    value={visibleColumns}
+                    value={displayedColumns}
                     options={Object.entries(columnLabels).map(
                       ([value, label]) => ({
                         value,
                         label,
-                        disabled: value === "name",
+                        disabled:
+                          value === "name" ||
+                          (submission === "SUBMITTED" &&
+                            value === "prod_correlation"),
                       }),
                     )}
                     onChange={(values) => {