Standardise 426 inconsistent route names across 33 seed data files
(game data + boss files). Converts 'Region Route X' prefix style and
'Route X - Region' dash style to the consistent 'Route X (Region)' format.
Resolves beans-r48e.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The seed export command now downloads badge images and boss sprites
from remote URLs and stores them in frontend/public/, rewriting the
JSON URLs to local paths. Sprites are namespaced by game version
(e.g. /boss-sprites/red/brock.png) so each generation can have
its own sprite style.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
