feat: BAS data overhaul, currency revaluation, expenses, UI polish, and cleanup

- Update BAS account catalog with comprehensive SRU codes and K2 flags
- Add currency revaluation service with tests and API route
- Add expenses page and account deletion API
- Enhance booking templates with new patterns and improved tests
- Improve transaction categorization with template picker and description matching
- Polish dashboard, onboarding, import, and transaction UIs
- Refactor year-end service for multi-step closing
- Move SRU generator to ne-bilaga, remove standalone SRU export
- Remove unused dev docs, mock data, and extension hooks
- Add invoice delivery note sequences migration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

components/ui/confirmation-dialog.tsx

@@ -55,10 +55,12 @@ export function ConfirmationDialog({
         </div>
 
         <div className="border-t px-6 py-4 space-y-4">
-          <div className="flex items-start gap-2 rounded-lg bg-amber-50 dark:bg-amber-950/30 border border-amber-200 dark:border-amber-800 p-3">
-            <AlertTriangle className="h-4 w-4 text-amber-600 dark:text-amber-400 mt-0.5 shrink-0" />
-            <p className="text-sm text-amber-800 dark:text-amber-300">{warningText}</p>
-          </div>
+          {warningText && (
+            <div className="flex items-start gap-2 rounded-lg bg-amber-50 dark:bg-amber-950/30 border border-amber-200 dark:border-amber-800 p-3">
+              <AlertTriangle className="h-4 w-4 text-amber-600 dark:text-amber-400 mt-0.5 shrink-0" />
+              <p className="text-sm text-amber-800 dark:text-amber-300">{warningText}</p>
+            </div>
+          )}
 
           <DialogFooter>
             <Button

components/ui/empty-state.tsx

@@ -67,7 +67,7 @@ export function EmptyState({
             </Link>
           )}
           {onAction && actionLabel && (
-            <Button onClick={onAction} className="bg-accent hover:bg-accent/90 text-accent-foreground">
+            <Button onClick={onAction}>
               <Plus className="mr-2 h-4 w-4" />
               {actionLabel}
             </Button>