Refactor LuxsinAPI to correct firmware version comparison in boot sound settings; enhance useStrokeDrawAnimation hook to support path updates without replaying animation. Update EQPage to utilize new animation options for smoother transitions during EQ parameter edits.

client/src/pages/EQPage.tsx

@@ -274,18 +274,19 @@ function FreqChart({
   const hasRawCurve = !!rawPathD;
   const hasEqualizedCurve = !!equalizedPathD;
 
-  // Reusable left-to-right stroke draw animation (skip while dragging a band).
+  // Intro draw once; EQ param edits update path in place without replaying the stroke animation.
+  const strokeAnimOpts = { durationMs: 1350, replayOnPathChange: false as const };
   useStrokeDrawAnimation(curvePathRef, pathD, {
+    ...strokeAnimOpts,
     enabled: !isBandDragging,
-    durationMs: 1350,
   });
   useStrokeDrawAnimation(rawPathRef, rawPathD, {
+    ...strokeAnimOpts,
     enabled: !isBandDragging && !!rawPathD,
-    durationMs: 1350,
   });
   useStrokeDrawAnimation(equalizedPathRef, equalizedPathD, {
+    ...strokeAnimOpts,
     enabled: !isBandDragging && !!equalizedPathD,
-    durationMs: 1350,
   });
 
   const targetMode: "A" | "B" = abMode === "A" ? "B" : "A";
@@ -1153,6 +1154,11 @@ export default function EQPage() {
     }
   }, [deviceState?.peqSelect]);
 
+  // 切换耳机时默认回到 A 组对比
+  useEffect(() => {
+    setAbMode("A");
+  }, [headphoneIdx]);
+
   // 获取耳机原始曲线
   const getModelCurve = async (brand: string, name: string) => {
     try {
@@ -1541,10 +1547,6 @@ export default function EQPage() {
   const updateBand = (idx: number, patch: Partial<typeof bands[0]>) => {
     const nextBands = bands.map((b, i) => (i === idx ? { ...b, ...patch } : b));
     setBands(nextBands);
-    // Re-render chart when band changes
-    if (peqItems.length > 0 && headphoneIdx < peqItems.length) {
-      renderCharts(nextBands, currentRawCurve, false);
-    }
   };
 
   const updateCurrentPeqMeta = (patch: Partial<{ autoPre: number; preamp: number }>) => {