Spotify Streamable MCP Server

export type Session = { id: string; createdAt: number; userId?: string; rs?: { access_token: string; refresh_token: string; }; spotify?: { access_token?: string; refresh_token?: string; expires_at?: number; // ms epoch scopes?: string[]; }; }; const sessions = new Map<string, Session>(); export const ensureSession = (id: string): Session => { const existing = sessions.get(id); if (existing) { return existing; } const session: Session = { id, createdAt: Date.now() }; sessions.set(id, session); return session; }; export const getSession = (id: string): Session | null => { const session = sessions.get(id); if (!session) { return null; } const ttl = 24 * 60 * 60 * 1000; // 24 hours if (Date.now() - session.createdAt > ttl) { sessions.delete(id); return null; } return session; };