Hardened Go 1.24+ Development Container for AI Agents

// pkg/server/handler.go · Go 1.24 Generic Stream Handler
func HandleStream[T any](ctx context.Context, in <-chan T) (Stats, error) {
    var stats Stats
    for {
        select {
        case <-ctx.Done():
            return stats, fmt.Errorf("cancelled: %w", ctx.Err())
        case val, ok := <-in:
            if !ok { return stats, nil }
            stats.Process(val)
        }
    }
}