Implements LLM-powered narration for NPC social interactions:
- Rate limits updated to 20 RPM / 1000 per day (OpenRouter free tier)
- NarrationEvent type with template fallback text generator
- NarrationService with rolling event buffer and LLM priority queuing
- Narration emitter wired between social and relationship systems
- Socket.io events for real-time narration delivery
- Tabbed left panel (Stats + Events) replacing old Superlatives panel
- Recent events section in NPC info panel
- Follow tracking via socket for LLM narration priority
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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