ParkPin

Avoid duplicate button label text in empty-state hint so End & Archive Parking uniquely targets the primary action button.

Version 2: Added location_name, hourly_rate_inr quick chips with live running ₹ fee meter, spot_tags, and automatic non-destructive migration from parkpin_v1 to parkpin_v2.

Version 1: offline high-contrast dark parking spot saver with quick chips, live HH:MM:SS timer, and Past Spots archive.