- New sticker-specific vision prompt that tells LLM stickers are cartoon/meme art, not real photos
- New text-only warning for stickers that fail to download — prevents flagging based on name alone
- Updated system prompt with dedicated sticker guidance section (looser standards for cartoon content)
- Filesystem-backed sticker cache (keyed by name, 7-day TTL, 100MB max with LRU eviction)
- Config: STICKER_CACHE_DIR and STICKER_CACHE_MAX_SIZE_MB with defaults
- Updated .env.example with auto-delete + sticker config docs
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
MythEclipse