feat(ext/popup): Card view + form (card-silhouette signature, MM/YY selects)

extension/src/popup/components/item-form.ts

@@ -6,11 +6,13 @@ import type { Item, ItemType } from '../../shared/types';
 import * as login from './types/login';
 import * as secureNote from './types/secure-note';
 import * as identity from './types/identity';
+import * as card from './types/card';
 
 export function renderItemForm(app: HTMLElement, mode: 'add' | 'edit'): void {
   login.teardown();   // detail-view's ticker/listener don't leak into form
   secureNote.teardown();
   identity.teardown();
+  card.teardown();
   const state = getState();
   const existing = mode === 'edit' ? state.selectedItem : null;
   const type: ItemType = existing?.type ?? state.newType ?? 'login';
@@ -19,7 +21,7 @@ export function renderItemForm(app: HTMLElement, mode: 'add' | 'edit'): void {
     case 'login':       return login.renderForm(app, mode, existing);
     case 'secure_note': return secureNote.renderForm(app, mode, existing);
     case 'identity':    return identity.renderForm(app, mode, existing);
-    case 'card':
+    case 'card':        return card.renderForm(app, mode, existing);
     case 'key':
     case 'totp':
     case 'document':    return renderComingSoon(app, type);