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/lodash-es/words.js

@@ -0,0 +1,35 @@
+import asciiWords from './_asciiWords.js';
+import hasUnicodeWord from './_hasUnicodeWord.js';
+import toString from './toString.js';
+import unicodeWords from './_unicodeWords.js';
+
+/**
+ * Splits `string` into an array of its words.
+ *
+ * @static
+ * @memberOf _
+ * @since 3.0.0
+ * @category String
+ * @param {string} [string=''] The string to inspect.
+ * @param {RegExp|string} [pattern] The pattern to match words.
+ * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+ * @returns {Array} Returns the words of `string`.
+ * @example
+ *
+ * _.words('fred, barney, & pebbles');
+ * // => ['fred', 'barney', 'pebbles']
+ *
+ * _.words('fred, barney, & pebbles', /[^, ]+/g);
+ * // => ['fred', 'barney', '&', 'pebbles']
+ */
+function words(string, pattern, guard) {
+  string = toString(string);
+  pattern = guard ? undefined : pattern;
+
+  if (pattern === undefined) {
+    return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+  }
+  return string.match(pattern) || [];
+}
+
+export default words;