- Tax rate: Use Zippopotam (free, no key) to get state, then lookup
from built-in state+local rate tables instead of API Ninjas
- Prices: Extract prices from Toast __OO_STATE__ MenuItem objects
when visible HTML prices are missing
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
When business info step loads with a ZIP code, automatically looks up
the combined sales tax rate and pre-fills the field. User can still
edit if needed. Field gets light green background to indicate auto-fill.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>