/// Default A* weight returned for out-of-bounds or unloaded positions.
/// Matches normal traversable tile weight so pathfinding degrades gracefully.
pub const ASTAR_DEFAULT_WEIGHT: u8 = 100;
/// Rolling history length for z-change frame timing in benchmark reporting.
pub const Z_CHANGE_HISTORY_LEN: usize = 100;
/// Bytes per megabyte, for memory reporting.
pub const BYTES_PER_MB: f32 = 1_048_576.0;