chore: 初始提交 Fonu 1.0.2

- 公网反代：Nginx 状态卡片（版本 / 运行状态 / 配置校验 / 端口监听）
- 部署设置第一、二梯队（HTTPS 开关、安全头、限流、连接数、仅中国大陆 IP）
- 隧道检测兼容 frps v0.68 / v0.71（V2 与旧版端点）
- 恢复被清空的 internal/frp/store.go、internal/api/ddns_handler.go、web/src/views/DdnsView.vue

web/src/utils/format.ts

@@ -0,0 +1,103 @@
+export function formatBytes(bytes: number): string {
+  if (!Number.isFinite(bytes) || bytes <= 0) return '0 B'
+  const units = ['B', 'KB', 'MB', 'GB', 'TB']
+  let value = bytes
+  let unit = 0
+  while (value >= 1024 && unit < units.length - 1) {
+    value /= 1024
+    unit++
+  }
+  const digits = value >= 100 || unit === 0 ? 0 : value >= 10 ? 1 : 2
+  return `${value.toFixed(digits)} ${units[unit]}`
+}
+
+export function formatRate(bytesPerSec: number): string {
+  if (!Number.isFinite(bytesPerSec) || bytesPerSec <= 0) return '0 B/s'
+  return `${formatBytes(bytesPerSec)}/s`
+}
+
+export function formatUptime(seconds: number): string {
+  const h = Math.floor(seconds / 3600)
+  const m = Math.floor((seconds % 3600) / 60)
+  if (h > 0) return `${h} 小时 ${m} 分钟`
+  return `${m} 分钟`
+}
+
+export function formatRelativeTime(iso?: string): string {
+  if (!iso) return '-'
+  const date = new Date(iso)
+  if (Number.isNaN(date.getTime())) return iso
+  const diff = Date.now() - date.getTime()
+  const minutes = Math.floor(diff / 60000)
+  if (minutes < 1) return '刚刚'
+  if (minutes < 60) return `${minutes} 分钟前`
+  const hours = Math.floor(minutes / 60)
+  if (hours < 24) return `${hours} 小时前`
+  const days = Math.floor(hours / 24)
+  return `${days} 天前`
+}
+
+export function formatMs(seconds: number): string {
+  const ms = Math.round(seconds * 1000)
+  return `${ms} ms`
+}
+
+export function formatDate(iso?: string): string {
+  if (!iso) return '-'
+  const date = new Date(iso)
+  if (Number.isNaN(date.getTime())) return iso
+  return date.toLocaleString('zh-CN', {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+  })
+}
+
+/** Normalize log timestamps to YYYY-MM-DD HH:mm:ss */
+export function formatLogTime(value?: string): string {
+  if (!value) return '-'
+
+  const trimmed = value.trim()
+
+  const standard = trimmed.match(/^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})/)
+  if (standard) return standard[1]
+
+  const iso = trimmed.match(/^(\d{4})-(\d{2})-(\d{2})[T ](\d{2}):(\d{2}):(\d{2})/)
+  if (iso) return `${iso[1]}-${iso[2]}-${iso[3]} ${iso[4]}:${iso[5]}:${iso[6]}`
+
+  const nginx = trimmed.match(/^(\d{4})\/(\d{2})\/(\d{2}) (\d{2}):(\d{2}):(\d{2})/)
+  if (nginx) return `${nginx[1]}-${nginx[2]}-${nginx[3]} ${nginx[4]}:${nginx[5]}:${nginx[6]}`
+
+  const date = new Date(trimmed)
+  if (!Number.isNaN(date.getTime())) {
+    const pad = (n: number) => String(n).padStart(2, '0')
+    return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`
+  }
+
+  return trimmed
+}
+
+/** Normalize leading timestamp in a raw log line */
+export function formatLogLine(line: string): string {
+  const trimmed = line.trim()
+  if (!trimmed) return line
+
+  const nginx = trimmed.match(/^(\d{4}\/\d{2}\/\d{2} \d{2}:\d{2}:\d{2})(.*)$/)
+  if (nginx) return formatLogTime(nginx[1]) + nginx[2]
+
+  const iso = trimmed.match(/^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:[+-]\d{2}:\d{2}|Z)?)(.*)$/)
+  if (iso) return formatLogTime(iso[1]) + iso[2]
+
+  if (trimmed.startsWith('{')) {
+    try {
+      const raw = JSON.parse(trimmed) as { time?: string }
+      if (raw.time) return trimmed.replace(raw.time, formatLogTime(raw.time))
+    } catch {
+      // not JSON
+    }
+  }
+
+  return trimmed
+}