feat(frontend): Add comprehensive bank account management system.

- Add drawer-based bank account connection flow with country/bank selection
- Create bank connection success page with redirect handling
- Add bank connections status card showing all requisitions and their states
- Move account management actions to appropriate sections (add to connections, edit in accounts)
- Implement proper delete functionality for bank connections via GoCardless API
- Add proper TypeScript types for all bank-related data structures
- Improve error handling for bank connection operations with specific HTTP status codes
- Remove transaction data when disconnecting accounts while preserving history

🤖 Generated with [Claude Code](https://claude.ai/code)

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

frontend/src/components/ui/edit-button.tsx

@@ -7,7 +7,13 @@ interface EditButtonProps {
   disabled?: boolean;
   className?: string;
   size?: "default" | "sm" | "lg" | "icon";
-  variant?: "default" | "destructive" | "outline" | "secondary" | "ghost" | "link";
+  variant?:
+    | "default"
+    | "destructive"
+    | "outline"
+    | "secondary"
+    | "ghost"
+    | "link";
   children?: React.ReactNode;
 }
 
@@ -28,7 +34,7 @@ export function EditButton({
       variant={variant}
       className={cn(
         "h-8 px-3 text-muted-foreground hover:text-foreground transition-colors",
-        className
+        className,
       )}
       {...props}
     >