Add Go to .tool-versions, update .gitignore for Go build output and
cache, document seed data regeneration in README, and change API port
from 8000 to 8080 in docker-compose.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Implement status change workflow (alive → dead) with confirmation modal,
death cause recording, and visual status indicators on pokemon cards.
Includes backend migration for death_cause field and graveyard view
on the run dashboard.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
