- Add s3.go with AWS SDK v2 S3Client wrapper for R2/B2 operations
- Implement listObjects, deleteObject, objectExists, uploadFile, copyObject, downloadObject
- Add s3_test.go with MockS3Client and comprehensive tests
- Wire promoteRecentReplaysForCycle() into build cycle in main.go
- Add fetchRecentMatchIDs() to query recent matches from PostgreSQL
- Add fetchExemptMatchIDs() to protect series/season/playlist matches from pruning
- Implement pruneR2CacheWithDB() for 10GB cap enforcement with exemptions
- Update go.mod with AWS SDK v2 dependencies
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add Canvas-rendered PNG card generation in cmd/acb-index-builder/cards.go
- 1200x630 images for social sharing (OG/Twitter)
- Rating tiers with color coding (gold/silver/bronze/green/gray)
- Win rate color coding (green/blue/yellow/red)
- Rank badges for top 100 bots
- Evolved bot badges with island indicator
- Add card upload to R2 warm cache and B2 cold archive
- Add Open Graph meta tags in web/app.html
- Add dynamic OG tag management in web/src/og-tags.ts
- Update bot profile page to set OG tags on load
- Add BuildTimeout config field (fixes test failures)
- Add comprehensive tests for card generation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>