#if DEBUG
/// Opt-in operation counters for the simulator presentation benchmark. These
/// measure work, not frames; CADisplayLink sampling lives in the test target.
@MainActor
enum AgentRenderDiagnostics {
    static var enabled = false
    static var counts: [String: Int] = [:]

    static func record(_ operation: String) {
        guard enabled else { return }
        counts[operation, default: 0] += 1
    }
}
#endif