Complete D1 database schema and migrations for Phase 6
- Add missing tables: predictions, predictor_stats, map_votes,
replay_feedback, series, series_games, seasons
- Add evolution fields to bots table (evolved, island, generation,
parent_ids, description)
- Add additional fields to maps table (player_count, energy_nodes,
wall_density, status, engagement_score)
- Create migrations/0001_initial.sql for D1 migrations
- Update wrangler.toml with migrations_dir config
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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