feat(analytics): 人员视图重构为 custom 居中紧凑柱状 + 原生横向滚动

- capabilityOption 改 custom 系列，居中紧凑算法消除幽灵占位
- 柱宽保底 3px（0值/极小值也有柱子）、数字标签悬浮柱顶
- X 轴四行展示：物料名/规格型号/序列号/身份证
- 原生横向滚动容器（每设备 140px）+ custom-scrollbar 样式
- tooltip appendToBody 避免被容器裁剪

frontend/src/index.css

@@ -53,3 +53,23 @@ body {
 .animate-slide-in {
   animation: slide-in 0.3s ease-out;
 }
+
+/* ============================================================
+   自定义横向滚动条（人员视图图表）
+   ============================================================ */
+.custom-scrollbar {
+  scrollbar-width: thin;
+  scrollbar-color: #cbd5e1 #f1f5f9;
+}
+.custom-scrollbar::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+.custom-scrollbar::-webkit-scrollbar-thumb {
+  background-color: #cbd5e1;
+  border-radius: 3px;
+}
+.custom-scrollbar::-webkit-scrollbar-track {
+  background-color: #f1f5f9;
+  border-radius: 3px;
+}

frontend/src/pages/admin/AnalyticsDashboard.tsx

@@ -220,14 +220,21 @@ export default function AnalyticsDashboard() {
     setProductSns([]);
   };
 
-  // ─── 柱状图：个人能力图谱（X=设备身份证，系列=人员，并排对比） ──
+  // ─── 柱状图：人员视图（X=设备身份证，系列=人员，居中紧凑，消除幽灵占位） ──
   const capabilityOption = useMemo<EChartsCoreOption>(() => {
     const categories = capability?.categories ?? [];
     const devices = capability?.devices ?? [];
+    // 每台设备上真正产生耗时的人员 seriesIndex 数组
+    const activePerDevice = devices.map((_, devIdx) =>
+      (capability?.series ?? [])
+        .map((s, sIdx) => (s.data[devIdx] && s.data[devIdx].value != null ? sIdx : -1))
+        .filter((idx) => idx !== -1),
+    );
     return {
       tooltip: {
         trigger: "axis",
         axisPointer: { type: "shadow" },
+        appendToBody: true,
         formatter: (p: any) => {
           const items = Array.isArray(p) ? p : [p];
           const idx = items[0]?.dataIndex ?? 0;
@@ -245,7 +252,7 @@ export default function AnalyticsDashboard() {
               const done = d.last_completed_at
                 ? `<br/>结束时间：${dayjs(d.last_completed_at).format("MM-DD HH:mm")}`
                 : "";
-              return `${it.marker}${it.seriesName}：耗时 ${d.value ?? 0} 小时（${st}）${recv}${done}`;
+              return `${it.marker}${it.seriesName}：耗时 ${d.actualValue ?? 0} 小时（${st}）${recv}${done}`;
             })
             .join("<br/>");
           return (
@@ -256,37 +263,61 @@ export default function AnalyticsDashboard() {
         },
       },
       legend: { top: 0, type: "scroll" },
-      grid: { left: 48, right: 24, top: 40, bottom: 72 },
+      grid: { left: 48, right: 24, top: 60, bottom: 96 },
       xAxis: {
         type: "category",
-        data: devices.map((d) => (d.external_serial ? `${d.external_serial}\n${d.product_sn}` : d.product_sn)),
-        axisLabel: { fontSize: 10, interval: 0 },
+        data: devices.map((d) =>
+          [d.material_name, d.spec_model, d.external_serial, d.product_sn].filter(Boolean).join("\n"),
+        ),
+        axisLabel: { fontSize: 10, interval: 0, lineHeight: 13 },
       },
       yAxis: { type: "value", name: "耗时(小时)" },
-      series: (capability?.series ?? []).map((s) => ({
+      series: (capability?.series ?? []).map((s, sIdx) => ({
         name: s.name,
-        type: "bar" as const,
-        barMaxWidth: 24,
-        barMinHeight: 3,
+        type: "custom",
+        encode: { x: 0, y: 1 },
         label: {
           show: true,
           position: "top",
-          formatter: (p: any) => (p.value == null ? "" : `${p.value}h`),
+          distance: 6,
+          formatter: (p: any) => (p.data?.actualValue == null ? "" : `${p.data.actualValue}h`),
         },
-        markLine: { data: [{ type: "average", name: "平均耗时" }] },
-        data: s.data.map((d, i) =>
-          d.value == null
-            ? null
-            : {
-                value: d.value,
-                spec_model: d.spec_model,
-                status: d.status,
-                first_received_at: d.first_received_at,
-                last_completed_at: d.last_completed_at,
-                product_sn: categories[i],
-                external_serial: devices[i]?.external_serial,
-              },
-        ),
+        renderItem: (params: any, api: any) => {
+          const devIdx = params.dataIndex;
+          const val = api.value(1);
+          if (val == null || isNaN(val)) return;
+
+          const activeSeries = activePerDevice[devIdx];
+          const localIndex = activeSeries.indexOf(sIdx);
+          if (localIndex === -1) return;
+
+          const barWidth = 24; // 黄金粗细，绝不妥协
+          const gap = 6;       // 紧凑的柱间距
+          const totalWidth = activeSeries.length * barWidth + (activeSeries.length - 1) * gap;
+
+          // 核心：彻底消除幽灵占位，让存活的柱子绝对居中对齐
+          const centerX = api.coord([devIdx, 0])[0];
+          const x = centerX - totalWidth / 2 + localIndex * (barWidth + gap);
+
+          const valY = api.coord([devIdx, val])[1];
+          const y0 = api.coord([devIdx, 0])[1];
+          const height = Math.max(y0 - valY, 3); // 至少 3px，0 值/极小值也有柱子
+          const y = y0 - height;
+
+          return {
+            type: "rect",
+            shape: { x, y, width: barWidth, height, r: [3, 3, 0, 0] },
+            style: api.style(),
+          };
+        },
+        data: s.data.map((d, i) => {
+          if (d.value == null) return null;
+          return {
+            ...d,
+            value: [i, d.value], // custom 必须的 [x, y] 坐标格式
+            actualValue: d.value, // 供 tooltip 读取的真实值
+          };
+        }),
       })),
     };
   }, [capability]);
@@ -392,10 +423,12 @@ export default function AnalyticsDashboard() {
         },
       },
       legend: { top: 0, type: "scroll", data: series.map((s) => s.name) },
-      grid: { left: 48, right: 24, top: 60, bottom: 72 },
+      grid: { left: 48, right: 24, top: 60, bottom: 96 },
       xAxis: {
         type: "category",
-        data: devices.map((d) => (d.external_serial ? `${d.external_serial}\n${d.product_sn}` : d.product_sn)),
+        data: devices.map((d) =>
+          [d.material_name, d.spec_model, d.external_serial, d.product_sn].filter(Boolean).join("\n"),
+        ),
         axisLabel: { fontSize: 11, interval: 0, color: '#666', lineHeight: 14 },
         axisLine: { lineStyle: { color: '#ddd' } },
         axisTick: { show: false }
@@ -667,11 +700,15 @@ export default function AnalyticsDashboard() {
                     />
                   </div>
                 ) : (
-                  <BaseEChart
-                    option={capabilityOption}
-                    height={420}
-                    onZrClick={handleZrClick}
-                  />
+                  <div className="w-full overflow-x-auto pb-2 custom-scrollbar">
+                    <div style={{ minWidth: (capability?.devices?.length ?? 0) * 140 }}>
+                      <BaseEChart
+                        option={capabilityOption}
+                        height={420}
+                        onZrClick={handleZrClick}
+                      />
+                    </div>
+                  </div>
                 )}
               </div>
             ),