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/drawer.tsx

@@ -1,7 +1,7 @@
-import * as React from "react"
-import { Drawer as DrawerPrimitive } from "vaul"
+import * as React from "react";
+import { Drawer as DrawerPrimitive } from "vaul";
 
-import { cn } from "@/lib/utils"
+import { cn } from "@/lib/utils";
 
 const Drawer = ({
   shouldScaleBackground = true,
@@ -11,14 +11,14 @@ const Drawer = ({
     shouldScaleBackground={shouldScaleBackground}
     {...props}
   />
-)
-Drawer.displayName = "Drawer"
+);
+Drawer.displayName = "Drawer";
 
-const DrawerTrigger = DrawerPrimitive.Trigger
+const DrawerTrigger = DrawerPrimitive.Trigger;
 
-const DrawerPortal = DrawerPrimitive.Portal
+const DrawerPortal = DrawerPrimitive.Portal;
 
-const DrawerClose = DrawerPrimitive.Close
+const DrawerClose = DrawerPrimitive.Close;
 
 const DrawerOverlay = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Overlay>,
@@ -29,8 +29,8 @@ const DrawerOverlay = React.forwardRef<
     className={cn("fixed inset-0 z-50 bg-black/80", className)}
     {...props}
   />
-))
-DrawerOverlay.displayName = DrawerPrimitive.Overlay.displayName
+));
+DrawerOverlay.displayName = DrawerPrimitive.Overlay.displayName;
 
 const DrawerContent = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Content>,
@@ -42,7 +42,7 @@ const DrawerContent = React.forwardRef<
       ref={ref}
       className={cn(
         "fixed inset-x-0 bottom-0 z-50 mt-24 flex h-auto flex-col rounded-t-[10px] border bg-background",
-        className
+        className,
       )}
       {...props}
     >
@@ -50,8 +50,8 @@ const DrawerContent = React.forwardRef<
       {children}
     </DrawerPrimitive.Content>
   </DrawerPortal>
-))
-DrawerContent.displayName = "DrawerContent"
+));
+DrawerContent.displayName = "DrawerContent";
 
 const DrawerHeader = ({
   className,
@@ -61,8 +61,8 @@ const DrawerHeader = ({
     className={cn("grid gap-1.5 p-4 text-center sm:text-left", className)}
     {...props}
   />
-)
-DrawerHeader.displayName = "DrawerHeader"
+);
+DrawerHeader.displayName = "DrawerHeader";
 
 const DrawerFooter = ({
   className,
@@ -72,8 +72,8 @@ const DrawerFooter = ({
     className={cn("mt-auto flex flex-col gap-2 p-4", className)}
     {...props}
   />
-)
-DrawerFooter.displayName = "DrawerFooter"
+);
+DrawerFooter.displayName = "DrawerFooter";
 
 const DrawerTitle = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Title>,
@@ -83,12 +83,12 @@ const DrawerTitle = React.forwardRef<
     ref={ref}
     className={cn(
       "text-lg font-semibold leading-none tracking-tight",
-      className
+      className,
     )}
     {...props}
   />
-))
-DrawerTitle.displayName = DrawerPrimitive.Title.displayName
+));
+DrawerTitle.displayName = DrawerPrimitive.Title.displayName;
 
 const DrawerDescription = React.forwardRef<
   React.ElementRef<typeof DrawerPrimitive.Description>,
@@ -99,8 +99,8 @@ const DrawerDescription = React.forwardRef<
     className={cn("text-sm text-muted-foreground", className)}
     {...props}
   />
-))
-DrawerDescription.displayName = DrawerPrimitive.Description.displayName
+));
+DrawerDescription.displayName = DrawerPrimitive.Description.displayName;
 
 export {
   Drawer,
@@ -113,4 +113,4 @@ export {
   DrawerFooter,
   DrawerTitle,
   DrawerDescription,
-}
+};