Enforce LinuxCNC WASM authority for XYZAC frontend

web/react/src/xyzac-visual-adapter.ts

@@ -2,6 +2,7 @@ import type { XyzacKinematicsSnapshot } from "./protocol";
 
 export type XyzacVisualState = {
   schema: "xyzac-visual-state.v1";
+  authoritative: boolean;
   tick: number;
   stateHash: string;
   pose: XyzacKinematicsSnapshot["pose"];
@@ -40,6 +41,7 @@ export function projectXyzacVisual(snapshot: XyzacVisualSource | null | undefine
   const motionTrace = (snapshot?.visual?.motion_trace ?? []).filter((sample) => sample && Number.isSafeInteger(sample.tick) && sample.pose && Array.isArray(sample.joints)).map((sample) => ({ tick: sample.tick, pose: { ...ZERO_POSE, ...sample.pose }, joints: sample.joints.slice(0, 5).map(Number), activeSegmentId: Number(sample.active_segment_id ?? 0), activeProgress: Math.max(0, Math.min(1, Number(sample.active_progress ?? 0))) }));
   return {
     schema: "xyzac-visual-state.v1",
+    authoritative: Boolean(snapshot?.kinematics && snapshot?.visual),
     tick: snapshot?.simulation_tick ?? 0,
     stateHash: snapshot?.state_hash ?? "",
     pose,