feat(managed-ne): add bastion SSH protocol proxy hop type

Support composite-username bastion login for automated connect-test and exec, with bastion-managed or manual target credential modes.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/types.ts

@@ -144,6 +144,7 @@ export type ManagedNeItem = {
   hop_username: string;
   hop_command_template: string;
   hop_vrf: string;
+  hop_target_auth_mode: string;
   created_at: string;
   updated_at: string;
 };