feat: 添加精确的账户费用计算和时区支持

- 实现基于模型使用量的精确每日费用计算
- 添加 dateHelper 工具支持时区转换
- 移除未使用的 webhook 配置代码
- 清理环境变量和配置文件中的 webhook 相关设置
- 优化前端费用显示，使用后端精确计算的数据
- 添加 DEBUG_HTTP_TRAFFIC 调试选项支持

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/services/claudeAccountService.js

@@ -15,6 +15,7 @@ const {
 } = require('../utils/tokenRefreshLogger')
 const tokenRefreshService = require('./tokenRefreshService')
 const LRUCache = require('../utils/lruCache')
+const { formatDateWithTimezone, getISOStringWithTimezone } = require('../utils/dateHelper')
 
 class ClaudeAccountService {
   constructor() {
@@ -1121,8 +1122,8 @@ class ClaudeAccountService {
           platform: 'claude-oauth',
           status: 'error',
           errorCode: 'CLAUDE_OAUTH_RATE_LIMITED',
-          reason: `Account rate limited (429 error). ${rateLimitResetTimestamp ? `Reset at: ${new Date(rateLimitResetTimestamp * 1000).toISOString()}` : 'Estimated reset in 1-5 hours'}`,
-          timestamp: new Date().toISOString()
+          reason: `Account rate limited (429 error). ${rateLimitResetTimestamp ? `Reset at: ${formatDateWithTimezone(rateLimitResetTimestamp)}` : 'Estimated reset in 1-5 hours'}`,
+          timestamp: getISOStringWithTimezone(new Date())
         })
       } catch (webhookError) {
         logger.error('Failed to send rate limit webhook notification:', webhookError)
@@ -1322,7 +1323,7 @@ class ClaudeAccountService {
             status: 'resumed',
             errorCode: 'CLAUDE_5H_LIMIT_RESUMED',
             reason: '进入新的5小时窗口，已自动恢复调度',
-            timestamp: new Date().toISOString()
+            timestamp: getISOStringWithTimezone(new Date())
           })
         } catch (webhookError) {
           logger.error('Failed to send webhook notification:', webhookError)
@@ -1985,7 +1986,7 @@ class ClaudeAccountService {
             status: 'warning',
             errorCode: 'CLAUDE_5H_LIMIT_WARNING',
             reason: '5小时使用量接近限制，已自动停止调度',
-            timestamp: new Date().toISOString()
+            timestamp: getISOStringWithTimezone(new Date())
           })
         } catch (webhookError) {
           logger.error('Failed to send webhook notification:', webhookError)

src/services/claudeConsoleAccountService.js

@@ -369,6 +369,7 @@ class ClaudeConsoleAccountService {
       // 发送Webhook通知
       try {
         const webhookNotifier = require('../utils/webhookNotifier')
+        const { getISOStringWithTimezone } = require('../utils/dateHelper')
         await webhookNotifier.sendAccountAnomalyNotification({
           accountId,
           accountName: account.name || 'Claude Console Account',
@@ -376,7 +377,7 @@ class ClaudeConsoleAccountService {
           status: 'error',
           errorCode: 'CLAUDE_CONSOLE_RATE_LIMITED',
           reason: `Account rate limited (429 error). ${account.rateLimitDuration ? `Will be blocked for ${account.rateLimitDuration} hours` : 'Temporary rate limit'}`,
-          timestamp: new Date().toISOString()
+          timestamp: getISOStringWithTimezone(new Date())
         })
       } catch (webhookError) {
         logger.error('Failed to send rate limit webhook notification:', webhookError)

src/services/pricingService.js

@@ -308,7 +308,9 @@ class PricingService {
 
   // 确保价格对象包含缓存价格
   ensureCachePricing(pricing) {
-    if (!pricing) return pricing
+    if (!pricing) {
+      return pricing
+    }
 
     // 如果缺少缓存价格，根据输入价格计算（缓存创建价格通常是输入价格的1.25倍，缓存读取是0.1倍）
     if (!pricing.cache_creation_input_token_cost && pricing.input_cost_per_token) {

src/services/webhookService.js

@@ -2,6 +2,7 @@ const axios = require('axios')
 const crypto = require('crypto')
 const logger = require('../utils/logger')
 const webhookConfigService = require('./webhookConfigService')
+const { getISOStringWithTimezone } = require('../utils/dateHelper')
 
 class WebhookService {
   constructor() {
@@ -206,7 +207,7 @@ class WebhookService {
     const payload = {
       type,
       service: 'claude-relay-service',
-      timestamp: new Date().toISOString(),
+      timestamp: getISOStringWithTimezone(new Date()),
       data
     }
 
@@ -357,7 +358,7 @@ class WebhookService {
       title,
       color,
       fields,
-      timestamp: new Date().toISOString(),
+      timestamp: getISOStringWithTimezone(new Date()),
       footer: {
         text: 'Claude Relay Service'
       }
@@ -580,7 +581,7 @@ class WebhookService {
     try {
       const testData = {
         message: 'Claude Relay Service webhook测试',
-        timestamp: new Date().toISOString()
+        timestamp: getISOStringWithTimezone(new Date())
       }
 
       await this.sendToPlatform(platform, 'test', testData, { maxRetries: 1, retryDelay: 1000 })