Add mapX/mapY to City for SVG map positioning; add description,
minLevel, rewardItemId/Quantity to Mission; add named relations
MissionRequiredItem and MissionRewardItem on Item. Seed updated
with Italian city coordinates.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Define Prisma schema (Player, City, Good, InventoryItem, Transaction,
Mission, WorldEvent), initial migration SQL, and seed script to
populate cities and goods with base game data.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
davideandClaude Sonnet 4.6