refactor: improve date handling and timezone consistency

- Add timezone support to database module (+08:00)
- Extract date formatting utilities to shared modules
- Standardize timezone handling across frontend and backend
- Improve date formatting consistency in UI components
- Refactor crawler page.goto options for better readability

src/common/logger/winston.config.ts

@@ -76,6 +76,10 @@ const errorLogTransport = new DailyRotateFile({
 export const winstonLogger = winston.createLogger({
   level: process.env.LOG_LEVEL || 'info',
   format: logFormat,
-  transports: [consoleTransport, appLogTransport as any, errorLogTransport as any],
+  transports: [
+    consoleTransport,
+    appLogTransport as any,
+    errorLogTransport as any,
+  ],
   exitOnError: false,
 });

src/common/utils/timezone.util.ts

@@ -0,0 +1,98 @@
+/**
+ * 时区工具函数
+ * 统一处理东八区(Asia/Shanghai)时间相关的操作
+ */
+
+const TIMEZONE_OFFSET = 8 * 60 * 60 * 1000;
+
+/**
+ * 获取当前时间的东八区Date对象
+ * @returns Date 当前时间的东八区表示
+ */
+export function getCurrentDateInTimezone(): Date {
+  const now = new Date();
+  const utc = now.getTime() + now.getTimezoneOffset() * 60 * 1000;
+  return new Date(utc + TIMEZONE_OFFSET);
+}
+
+/**
+ * 将任意Date对象转换为东八区时间
+ * @param date 原始Date对象
+ * @returns Date 转换后的东八区时间
+ */
+export function convertToTimezone(date: Date): Date {
+  const utc = date.getTime() + date.getTimezoneOffset() * 60 * 1000;
+  return new Date(utc + TIMEZONE_OFFSET);
+}
+
+/**
+ * 格式化日期为 YYYY-MM-DD 格式
+ * @param date Date对象
+ * @returns 格式化后的日期字符串
+ */
+export function formatDate(date: Date): string {
+  const timezoneDate = convertToTimezone(date);
+  const year = timezoneDate.getFullYear();
+  const month = String(timezoneDate.getMonth() + 1).padStart(2, '0');
+  const day = String(timezoneDate.getDate()).padStart(2, '0');
+  return `${year}-${month}-${day}`;
+}
+
+/**
+ * 格式化日期时间为 YYYY-MM-DD HH:mm:ss 格式
+ * @param date Date对象
+ * @returns 格式化后的日期时间字符串
+ */
+export function formatDateTime(date: Date): string {
+  const timezoneDate = convertToTimezone(date);
+  const year = timezoneDate.getFullYear();
+  const month = String(timezoneDate.getMonth() + 1).padStart(2, '0');
+  const day = String(timezoneDate.getDate()).padStart(2, '0');
+  const hours = String(timezoneDate.getHours()).padStart(2, '0');
+  const minutes = String(timezoneDate.getMinutes()).padStart(2, '0');
+  const seconds = String(timezoneDate.getSeconds()).padStart(2, '0');
+  return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
+}
+
+/**
+ * 设置时间为当天的开始时间 (00:00:00.000)
+ * @param date Date对象
+ * @returns 设置后的Date对象
+ */
+export function setStartOfDay(date: Date): Date {
+  const timezoneDate = convertToTimezone(date);
+  timezoneDate.setHours(0, 0, 0, 0);
+  return timezoneDate;
+}
+
+/**
+ * 设置时间为当天的结束时间 (23:59:59.999)
+ * @param date Date对象
+ * @returns 设置后的Date对象
+ */
+export function setEndOfDay(date: Date): Date {
+  const timezoneDate = convertToTimezone(date);
+  timezoneDate.setHours(23, 59, 59, 999);
+  return timezoneDate;
+}
+
+/**
+ * 获取指定天数前的日期
+ * @param days 天数
+ * @returns 指定天数前的Date对象
+ */
+export function getDaysAgo(days: number): Date {
+  const date = getCurrentDateInTimezone();
+  date.setDate(date.getDate() - days);
+  return date;
+}
+
+/**
+ * 解析日期字符串为东八区Date对象
+ * @param dateStr 日期字符串 (支持 YYYY-MM-DD 或 YYYY-MM-DD HH:mm:ss 格式)
+ * @returns 解析后的Date对象
+ */
+export function parseDateString(dateStr: string): Date {
+  const date = new Date(dateStr);
+  return convertToTimezone(date);
+}