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/meshoptimizer/meshopt_simplifier.d.ts

@@ -0,0 +1,68 @@
+// This file is part of meshoptimizer library and is distributed under the terms of MIT License.
+// Copyright (C) 2016-2026, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
+export type Flags = 'LockBorder' | 'Sparse' | 'ErrorAbsolute' | 'Prune' | 'Regularize' | 'Permissive';
+
+export const MeshoptSimplifier: {
+	supported: boolean;
+	ready: Promise<void>;
+
+	compactMesh: (indices: Uint32Array) => [Uint32Array, number];
+	generatePositionRemap: (vertex_positions: Float32Array, vertex_positions_stride: number) => Uint32Array;
+
+	simplify: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		target_index_count: number,
+		target_error: number,
+		flags?: Flags[]
+	) => [Uint32Array, number];
+
+	simplifyWithAttributes: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		vertex_attributes: Float32Array,
+		vertex_attributes_stride: number,
+		attribute_weights: number[],
+		vertex_lock: Uint8Array | null,
+		target_index_count: number,
+		target_error: number,
+		flags?: Flags[]
+	) => [Uint32Array, number];
+
+	simplifyWithUpdate: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		vertex_attributes: Float32Array,
+		vertex_attributes_stride: number,
+		attribute_weights: number[],
+		vertex_lock: Uint8Array | null,
+		target_index_count: number,
+		target_error: number,
+		flags?: Flags[]
+	) => [number, number];
+
+	simplifySloppy: (
+		indices: Uint32Array,
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		vertex_lock: Uint8Array | null,
+		target_index_count: number,
+		target_error: number
+	) => [Uint32Array, number];
+
+	getScale: (vertex_positions: Float32Array, vertex_positions_stride: number) => number;
+
+	simplifyPoints: (
+		vertex_positions: Float32Array,
+		vertex_positions_stride: number,
+		target_vertex_count: number,
+		vertex_colors?: Float32Array,
+		vertex_colors_stride?: number,
+		color_weight?: number
+	) => Uint32Array;
+
+	simplifyPrune: (indices: Uint32Array, vertex_positions: Float32Array, vertex_positions_stride: number, target_error: number) => Uint32Array;
+};