- [Backend skeleton](project_backend_skeleton.md) — Go backend created 2026-03-27: engine, combat, models, REST+WS, storage, Docker, migration
- [Offline simulator](project_offline_simulator.md) — Real background OfflineSimulator replaces fake retroactive simulateOffline; game/offline.go owns combat logic
- [Quest and unified gear](project_quest_equipment.md) — Quest system; unified gear table (migration 000014) replacing weapons/armor/equipment_items with single GearItem model
- [Achievements, tasks, world](project_achievements_tasks_world.md) — 9 achievements, 7 daily/weekly tasks, shared world nearby-heroes; migration 000011
- [NPC encounters](project_npc_encounters.md) — handler/npc.go, 5 endpoints, wandering merchant in encounters, towns in InitHero, migration 000012
- [Server-authoritative Phase 1](project_server_authoritative.md) — WSEnvelope protocol, movement system, RoadGraph, combat push, MessageSender interface; migration 000013