Mob

-- Persistent storage for OAuth access tokens -- Replaces the in-memory Map in OAuthService so tokens survive server restarts CREATE TABLE IF NOT EXISTS oauth_tokens ( access_token TEXT PRIMARY KEY, user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE, client_id TEXT NOT NULL, created_at INTEGER NOT NULL, expires_at INTEGER NOT NULL ); CREATE INDEX IF NOT EXISTS idx_oauth_tokens_user ON oauth_tokens(user_id); CREATE INDEX IF NOT EXISTS idx_oauth_tokens_expires ON oauth_tokens(expires_at);