API route structure, authentication flow, middleware, security headers, WebSocket auth, and response helpers. Use when working on routes/*.ts, middleware/requireAuth.ts, index.ts route wiring, or adding new API endpoints.
Server architecture, startup sequence, WebSocket pipeline, build/deploy cycle, shared package exports, and monorepo layout. Use when working on packages/server/src/index.ts, lib/socket.ts, startDiscord.ts, server config, or understanding how components connect.
NodeLink/Lavalink audio pipeline, GuildPlayer state machine, voice connection flow, track lifecycle events, and REST commands for player control. Use when working on lib/lavalink.ts, GuildPlayer.ts, lib/voice.ts, PlaybackCursor.ts, lib/applyNodeLinkFilter.ts, or any audio/playback feature.
SQLite + Drizzle ORM schema, homegrown migration runner, query patterns, tag system, and guild settings. Use when working on shared/db/schema.ts, migrations, lib/ensureTagsMigrated.ts, lib/tagCanonicalization.ts, or any database query.
Common issues and solutions for Alfira — bot problems, authentication failures, music source errors, database issues, and reset procedures. Use when debugging any Alfira problem or investigating error reports.
React 19 + Tailwind CSS 4 web UI, component and page structure, API client, WebSocket client, virtual list pattern, and settings sections. Use when working on packages/web/src/, UI components, or frontend features.