Keep long G-code execution running past full planner queue

web/worker/xyzac-session.mjs

@@ -28,12 +28,15 @@ export class XyzacSession extends SimSession {
 
   accept(input) {
     const response = super.accept(input);
-    if (response?.payload && typeof response.payload === "object") {
-      response.payload.xyzac_session = this.authority();
-      response.payload.xyzac_ledger = this.ledger.audit();
-      response.payload.xyzac_scheduler = this.scheduler.export();
-    }
-    return response;
+    if (!response?.payload || typeof response.payload !== "object") return response;
+    // super.accept stores the response in the operation ledger. Enrich a
+    // shallow client copy so the next ledger audit cannot recursively embed
+    // every previous response inside the stored response object.
+    const payload = { ...response.payload };
+    payload.xyzac_session = this.authority();
+    payload.xyzac_ledger = this.ledger.audit({ includeResponses: input.kind !== "SIM_STEP" });
+    payload.xyzac_scheduler = this.scheduler.export();
+    return { ...response, payload };
   }
 }