Host-driven local-first gameplay

Private roles, PKCE Spotify auth, and real join flow

This version is built for Docker hosting on your Mac. Static assets are served by Nginx, while a lightweight WebSocket signaling service coordinates WebRTC peer setup; Spotify recommends Authorization Code with PKCE for SPAs, so the app uses that pattern instead of implicit auth [web:33][web:35].

Host setup

Spotify Client ID

Redirect URI

Spotify playlist URL

Tempo tolerance

Room name

Waiting for Spotify PKCE or demo mode.

Join

QR code appears here

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Name

The signaling service only exchanges SDP/ICE. WebRTC carries session events and private role payloads after peers connect [web:38][web:41][web:44].

Tracks0with tempo data

Pairs0within tolerance

Peers1connected/joined

Round

Load tracks and start a round.

Private word or clue theme

Clues and votes

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