feat: 实现基于费用的速率限制功能

- 新增 rateLimitCost 字段，支持按费用进行速率限制
- 新增 weeklyOpusCostLimit 字段，支持 Opus 模型周费用限制
- 优化速率限制逻辑，支持费用、请求数、token多维度控制
- 更新前端界面，添加费用限制配置选项
- 增强账户管理功能，支持费用统计和限制
- 改进 Redis 数据模型，支持费用计数器
- 优化价格计算服务，支持更精确的成本核算

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

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

src/services/claudeConsoleRelayService.js

@@ -175,16 +175,26 @@ class ClaudeConsoleRelayService {
         `[DEBUG] Response data preview: ${typeof response.data === 'string' ? response.data.substring(0, 200) : JSON.stringify(response.data).substring(0, 200)}`
       )
 
-      // 检查是否为限流错误
-      if (response.status === 429) {
+      // 检查错误状态并相应处理
+      if (response.status === 401) {
+        logger.warn(`🚫 Unauthorized error detected for Claude Console account ${accountId}`)
+        await claudeConsoleAccountService.markAccountUnauthorized(accountId)
+      } else if (response.status === 429) {
         logger.warn(`🚫 Rate limit detected for Claude Console account ${accountId}`)
         await claudeConsoleAccountService.markAccountRateLimited(accountId)
+      } else if (response.status === 529) {
+        logger.warn(`🚫 Overload error detected for Claude Console account ${accountId}`)
+        await claudeConsoleAccountService.markAccountOverloaded(accountId)
       } else if (response.status === 200 || response.status === 201) {
-        // 如果请求成功，检查并移除限流状态
+        // 如果请求成功，检查并移除错误状态
         const isRateLimited = await claudeConsoleAccountService.isAccountRateLimited(accountId)
         if (isRateLimited) {
           await claudeConsoleAccountService.removeAccountRateLimit(accountId)
         }
+        const isOverloaded = await claudeConsoleAccountService.isAccountOverloaded(accountId)
+        if (isOverloaded) {
+          await claudeConsoleAccountService.removeAccountOverload(accountId)
+        }
       }
 
       // 更新最后使用时间
@@ -363,8 +373,12 @@ class ClaudeConsoleRelayService {
           if (response.status !== 200) {
             logger.error(`❌ Claude Console API returned error status: ${response.status}`)
 
-            if (response.status === 429) {
+            if (response.status === 401) {
+              claudeConsoleAccountService.markAccountUnauthorized(accountId)
+            } else if (response.status === 429) {
               claudeConsoleAccountService.markAccountRateLimited(accountId)
+            } else if (response.status === 529) {
+              claudeConsoleAccountService.markAccountOverloaded(accountId)
             }
 
             // 设置错误响应的状态码和响应头
@@ -396,12 +410,17 @@ class ClaudeConsoleRelayService {
             return
           }
 
-          // 成功响应，检查并移除限流状态
+          // 成功响应，检查并移除错误状态
           claudeConsoleAccountService.isAccountRateLimited(accountId).then((isRateLimited) => {
             if (isRateLimited) {
               claudeConsoleAccountService.removeAccountRateLimit(accountId)
             }
           })
+          claudeConsoleAccountService.isAccountOverloaded(accountId).then((isOverloaded) => {
+            if (isOverloaded) {
+              claudeConsoleAccountService.removeAccountOverload(accountId)
+            }
+          })
 
           // 设置响应头
           if (!responseStream.headersSent) {
@@ -564,9 +583,15 @@ class ClaudeConsoleRelayService {
 
           logger.error('❌ Claude Console Claude stream request error:', error.message)
 
-          // 检查是否是429错误
-          if (error.response && error.response.status === 429) {
-            claudeConsoleAccountService.markAccountRateLimited(accountId)
+          // 检查错误状态
+          if (error.response) {
+            if (error.response.status === 401) {
+              claudeConsoleAccountService.markAccountUnauthorized(accountId)
+            } else if (error.response.status === 429) {
+              claudeConsoleAccountService.markAccountRateLimited(accountId)
+            } else if (error.response.status === 529) {
+              claudeConsoleAccountService.markAccountOverloaded(accountId)
+            }
           }
 
           // 发送错误响应