Update evolution indices and enhance user experience in mini program

- Added new entries for content ranking algorithm adjustments and cross-platform reuse in the evolution indices for backend, team, and mini program development.
- Improved user interface elements in the mini program, including the addition of a hidden settings entry and refined guidance for profile modifications.
- Enhanced reading statistics display with formatted numbers for better clarity and user engagement.
- Updated reading tracker logic to prevent duplicate duration accumulation and ensure accurate reporting of reading progress.

miniprogram/utils/util.js

@@ -32,6 +32,18 @@ const formatMoney = (amount, decimals = 2) => {
   return Number(amount).toFixed(decimals)
 }
 
+/**
+ * 格式化统计数字：≥1万显示 x.xw，≥1千显示 x.xk，否则原样
+ * @param {number} n - 原始数字
+ * @returns {string}
+ */
+const formatStatNum = n => {
+  const num = Number(n) || 0
+  if (num >= 10000) return (num / 10000).toFixed(1).replace(/\.0$/, '') + 'w'
+  if (num >= 1000) return (num / 1000).toFixed(1).replace(/\.0$/, '') + 'k'
+  return String(num)
+}
+
 // 防抖函数
 const debounce = (fn, delay = 300) => {
   let timer = null
@@ -166,6 +178,7 @@ module.exports = {
   formatTime,
   formatDate,
   formatMoney,
+  formatStatNum,
   formatNumber,
   debounce,
   throttle,