- GenericForm.vue: mobile moved to redeemer group, transaction badges,
  generalized smart auto-focus, amber gradient/button for disburse flow
- Splash.vue: amber theme for default + custom splash, native buttons
- Complete.vue: amber button for disburse flow
- SplashHandler.php: pass voucher_code prop in custom splash branch

Co-Authored-By: Oz <oz-agent@warp.dev>