//! Handler vtable. Mirrors charmbracelet/ssh.Handler — a function invoked once
//! per accepted session, after the channel has been opened and a shell/exec
//! request received.
//!
//! Middleware composition lives in dream/Middleware.zig (Phase 2).
const Handler = @This();

const Session = @import("Session.zig");

ctx: ?*anyopaque = null,
handle: *const fn (ctx: ?*anyopaque, sess: *Session) anyerror!void,

pub fn call(self: Handler, sess: *Session) anyerror!void {
    return self.handle(self.ctx, sess);
}