feat(web,server): 修复模板语法错误并新增多项体验优化

修复多处JS文件中的模板字符串转义错误，将错误的\\`替换为标准反引号
为IC卡搜索页面新增中文事件类型匹配，支持充值、进站、出站场景
重构票务订单页面的线路绘制逻辑，添加站点交替波浪偏移并使用贝塞尔曲线优化线路显示
优化SVG票价表格渲染，新增不可达站点的红色叉号提示，重构代码提升可读性

web/ticket-order.js

@@ -190,10 +190,13 @@
           }
 
           stationYByCanonical = {};
+          let stationIndex = 0;
           for (const c of Object.keys(primaryLineByStation)) {
               const li = primaryLineByStation[c];
               if (li == null) continue;
-              stationYByCanonical[c] = baseY + li * lineGapY;
+              const waveOffset = (stationIndex % 2 === 0) ? -12 : 12;
+              stationYByCanonical[c] = baseY + li * lineGapY + waveOffset;
+              stationIndex++;
           }
 
           const allStations = Object.keys(primaryLineByStation);
@@ -219,11 +222,20 @@
               svgContent += `<text x="${legendTextX}" y="${yLine-1}" fill="#e5e7eb" font-size="16" font-weight="800">${li.name}</text>`;
 
               if (li.stops.length >= 2) {
-                  const firstX = stationXByCanonical[stationCanonicalByCode[li.stops[0]] || li.stops[0]];
-                  let d = `M ${firstX} ${yLine}`;
-                  for (let i = 1; i < li.stops.length; i++) {
-                      const x = stationXByCanonical[stationCanonicalByCode[li.stops[i]] || li.stops[i]];
-                      d += ` L ${x} ${yLine}`;
+                  const pts = li.stops.map(code => {
+                      const canonical = stationCanonicalByCode[code] || code;
+                      return {
+                          x: stationXByCanonical[canonical] || 0,
+                          y: stationYByCanonical[code] ?? yLine
+                      };
+                  });
+                  
+                  let d = `M ${pts[0].x} ${pts[0].y}`;
+                  for (let i = 1; i < pts.length; i++) {
+                      const prev = pts[i-1];
+                      const curr = pts[i];
+                      const midX = (prev.x + curr.x) / 2;
+                      d += ` C ${midX} ${prev.y}, ${midX} ${curr.y}, ${curr.x} ${curr.y}`;
                   }
                   svgContent += `<path d="${d}" fill="none" stroke="${li.color}" stroke-width="8" stroke-linecap="round" stroke-linejoin="round" />`;
               }