Add OPFS G-code staging and browser simulation checks

web-rtcp-5axis-sim-plan/app/src/runtime/linuxcnc-interpreter-runtime.js

@@ -200,13 +200,14 @@ function runPlannerTiming(tpRuntime, motion) {
     return null;
   }
   try {
+    const sampleStride = motion.length > 1000 ? Math.ceil(motion.length / 90) : 10;
     return tpRuntime.sdk.runCanonicalMotionTiming({
       motion,
       options: {
         cycleTime: 0.001,
         queueSize: 32,
         maxCycles: 2000000,
-        sampleStride: 10,
+        sampleStride,
         maxVelocity: 35,
         maxAcceleration: 500,
         maxJerk: 1000,
@@ -334,6 +335,9 @@ export function prepareLinuxCncProgramForRuntime(programText) {
   const switchkinsEvents = [];
   const runtimeLines = String(programText).split(/\r?\n/).map((line, index) => {
     const lineNumber = index + 1;
+    if (String(line).trim() === "%") {
+      return "(linuxcnc program delimiter)";
+    }
     const events = readSwitchkinsEventsFromLine(line, lineNumber);
     if (events.length === 0) return line;
     switchkinsEvents.push(...events);