Consolidate room leave/delete event handling into RoomManager emitter,
remove redundant PLAYER_LEFT publishes from GameServer, and delete the
chess game plugin (board, types, tests) in favor of the new plugin
architecture. Add per-module CLAUDE.md files for leveling, guild-settings,
feature-flags, db, api, and panel to improve agent navigability.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
One-line JSDoc on 82 methods across 11 service files for quick
scanning without reading full implementations.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Implement service for managing feature flags and access control with
methods for checking access, creating/enabling flags, and managing
whitelisted users/guilds/roles.
