import Foundation

/// The seam between *where the bytes come from* and *the city that renders them*.
///
/// Phase 1 backs this with `NettopSource`. Phase 2 can swap in a libpcap-based
/// source — anything that can emit `ConnectionSnapshot`s — and the renderer is
/// none the wiser.
public protocol ConnectionSource: Sendable {
    /// Emits a snapshot roughly every `interval` seconds until the stream is
    /// cancelled (e.g. the consumer breaks out of its `for await` loop).
    func snapshots(every interval: TimeInterval) -> AsyncStream<ConnectionSnapshot>
}