fix: 调整雷达图坐标轴最大值为40，图形展示更饱满

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/views/score/radar/index.vue

@@ -196,7 +196,7 @@ function setChartRef(el, name) {
 function buildRadarIndicators(member) {
   return (member.dimensions || []).map(d => ({
     name: d.dimensionName,
-    max: Number(d.baseScore) * 1.5  // max = 1.5×基础分，给加分空间
+    max: 40
   }))
 }