## Summary
- keep Stripe past_due subscriptions active during retry window
- share payment issue state with Inertia and show persistent toast
- send toast action directly to Stripe Billing Portal
- allow canceled users to fall back to free plan, while paid-only bank
connection access remains blocked
- add Spanish translations for new payment issue messages
## Tests
- vendor/bin/pint --dirty --format agent
- php artisan test --compact tests/Feature/SubscriptionTest.php
tests/Feature/InertiaSharedDataTest.php
- php artisan test --compact tests/Feature/LocalizationTest.php
- npm test -- subscription-payment-issue-toast
Note: npm run types still fails on pre-existing unrelated TypeScript
errors.