import Foundation public actor InstanceSessionStore { private var cookies: [UUID: (origin: URL, cookie: String)] = [:] public init() {} public func cookie(for id: UUID, origin: URL) -> String? { guard let value = cookies[id], value.origin == origin else { return nil } return value.cookie } public func set(_ id: UUID, origin: URL, cookie: String) { cookies[id] = (origin, cookie) } public func clear(_ id: UUID) { cookies.removeValue(forKey: id) } }