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/entities/dist/commonjs/internal/encode-shared.js

@@ -0,0 +1,94 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.parseEncodeTrie = parseEncodeTrie;
+/**
+ * Parse a compact encode trie string into a Map structure used for encoding.
+ *
+ * Format per entry (ascending code points using delta encoding):
+ *   <diffBase36>[&name;][{<children>}]  -- diff omitted when 0
+ * Where diff = currentKey - previousKey - 1 (first entry stores absolute key).
+ * `&name;` is the entity value (already wrapped); a following `{` denotes children.
+ */
+function parseEncodeTrie(serialized) {
+    const top = new Map();
+    const totalLength = serialized.length;
+    let cursor = 0;
+    let lastTopKey = -1;
+    function readDiff() {
+        const start = cursor;
+        while (cursor < totalLength) {
+            const char = serialized.charAt(cursor);
+            if ((char < "0" || char > "9") && (char < "a" || char > "z")) {
+                break;
+            }
+            cursor++;
+        }
+        if (cursor === start)
+            return 0;
+        return Number.parseInt(serialized.slice(start, cursor), 36);
+    }
+    function readEntity() {
+        if (serialized[cursor] !== "&") {
+            throw new Error(`Child entry missing value near index ${cursor}`);
+        }
+        // Cursor currently points at '&'
+        const start = cursor;
+        const end = serialized.indexOf(";", cursor + 1);
+        if (end === -1) {
+            throw new Error(`Unterminated entity starting at index ${start}`);
+        }
+        cursor = end + 1; // Move past ';'
+        return serialized.slice(start, cursor); // Includes & ... ;
+    }
+    while (cursor < totalLength) {
+        const keyDiff = readDiff();
+        const key = lastTopKey === -1 ? keyDiff : lastTopKey + keyDiff + 1;
+        let value;
+        if (serialized[cursor] === "&")
+            value = readEntity();
+        if (serialized[cursor] === "{") {
+            cursor++; // Skip '{'
+            // Parse first child
+            let diff = readDiff();
+            let childKey = diff; // First key (lastChildKey = -1)
+            const firstValue = readEntity();
+            if (serialized[cursor] === "{") {
+                throw new Error("Unexpected nested '{' beyond depth 2");
+            }
+            // If end of block -> single child optimization
+            if (serialized[cursor] === "}") {
+                top.set(key, { value, next: childKey, nextValue: firstValue });
+                cursor++; // Skip '}'
+            }
+            else {
+                const childMap = new Map();
+                childMap.set(childKey, firstValue);
+                let lastChildKey = childKey;
+                while (cursor < totalLength && serialized[cursor] !== "}") {
+                    diff = readDiff();
+                    childKey = lastChildKey + diff + 1;
+                    const childValue = readEntity();
+                    if (serialized[cursor] === "{") {
+                        throw new Error("Unexpected nested '{' beyond depth 2");
+                    }
+                    childMap.set(childKey, childValue);
+                    lastChildKey = childKey;
+                }
+                if (serialized[cursor] !== "}") {
+                    throw new Error("Unterminated child block");
+                }
+                cursor++; // Skip '}'
+                top.set(key, { value, next: childMap });
+            }
+        }
+        else if (value === undefined) {
+            throw new Error(`Malformed encode trie: missing value at index ${cursor}`);
+        }
+        else {
+            top.set(key, value);
+        }
+        lastTopKey = key;
+    }
+    return top;
+}
+//# sourceMappingURL=encode-shared.js.map