feat: 实现供水运营专题大屏BI可视化

- 新增OperationDashboard.vue全屏大屏组件
- 添加6个核心KPI指标卡片: 进水总量/出水总量/产销差率/营收额/平均水质/报警次数
- 实现6个ECharts图表: 供水趋势/水质分布/报警统计/管网空间/设备状态/营收分析
- 创建静态HTML版本operation-dashboard.html，使用CDN加载Vue3/ECharts/Element Plus
- 更新路由配置，添加/operation路径支持
- 修复nextTick导入问题，优化build脚本

🚧 开发者: bot_dev1
📝 任务: #38 [BI] 运营仪表盘 + 供水专题大屏

frontend/node_modules/zrender/lib/graphic/shape/Trochoid.js

@@ -0,0 +1,71 @@
+import { __extends } from "tslib";
+import Path from '../Path.js';
+var cos = Math.cos;
+var sin = Math.sin;
+var TrochoidShape = (function () {
+    function TrochoidShape() {
+        this.cx = 0;
+        this.cy = 0;
+        this.r = 0;
+        this.r0 = 0;
+        this.d = 0;
+        this.location = 'out';
+    }
+    return TrochoidShape;
+}());
+export { TrochoidShape };
+var Trochoid = (function (_super) {
+    __extends(Trochoid, _super);
+    function Trochoid(opts) {
+        return _super.call(this, opts) || this;
+    }
+    Trochoid.prototype.getDefaultStyle = function () {
+        return {
+            stroke: '#000',
+            fill: null
+        };
+    };
+    Trochoid.prototype.getDefaultShape = function () {
+        return new TrochoidShape();
+    };
+    Trochoid.prototype.buildPath = function (ctx, shape) {
+        var R = shape.r;
+        var r = shape.r0;
+        var d = shape.d;
+        var offsetX = shape.cx;
+        var offsetY = shape.cy;
+        var delta = shape.location === 'out' ? 1 : -1;
+        var x1;
+        var y1;
+        var x2;
+        var y2;
+        if (shape.location && R <= r) {
+            return;
+        }
+        var num = 0;
+        var i = 1;
+        var theta;
+        x1 = (R + delta * r) * cos(0)
+            - delta * d * cos(0) + offsetX;
+        y1 = (R + delta * r) * sin(0)
+            - d * sin(0) + offsetY;
+        ctx.moveTo(x1, y1);
+        do {
+            num++;
+        } while ((r * num) % (R + delta * r) !== 0);
+        do {
+            theta = Math.PI / 180 * i;
+            x2 = (R + delta * r) * cos(theta)
+                - delta * d * cos((R / r + delta) * theta)
+                + offsetX;
+            y2 = (R + delta * r) * sin(theta)
+                - d * sin((R / r + delta) * theta)
+                + offsetY;
+            ctx.lineTo(x2, y2);
+            i++;
+        } while (i <= (r * num) / (R + delta * r) * 360);
+    };
+    return Trochoid;
+}(Path));
+Trochoid.prototype.type = 'trochoid';
+export default Trochoid;