Struct CommandReplayContext 

pub struct CommandReplayContext<'a> {
    pub state: &'a mut CommandReplayState,
    pub stale_available: bool,
    pub serve_stale: bool,
}

The replay half of primitives_for_placement_verified’s contract: the command’s verification state plus the stale-transition seam. The caller (the scene builder, which owns the per-command registry) says whether a valid previous-frame emission is on hand; verification answers whether this frame collapsed out of its capture and was therefore NOT emitted — nothing materialized, the caller must re-emit its saved emission.

Fields

state: &'a mut CommandReplayState

stale_available: bool

In: the previous build emitted a replay frame the caller saved, still valid under the current recording generation and retained feed epoch, and the stale-transition flag is on.

serve_stale: bool

Out: verification collapsed out of an established capture while stale_available held, so the recording was finished via cranpose_ui_graphics::DrawScopeDefault::finish_recording_only — no primitives, no frame — and the caller re-emits its saved emission in place of this frame’s.