🐛 fix: detect exceeded context window errors from message text (#12788)

locales/en-US/error.json

@@ -67,6 +67,7 @@
   "response.ConnectionCheckFailed": "The request returned empty. Please check if the API proxy address does not end with `/v1`.",
   "response.CreateMessageError": "Sorry, the message could not be sent successfully. Please copy the content and try sending it again. This message will not be retained after refreshing the page.",
   "response.ExceededContextWindow": "The current request content exceeds the length that the model can handle. Please reduce the amount of content and try again.",
+  "response.ExceededContextWindowCloud": "The conversation is too long to process. Please edit your last message to reduce input or delete some messages and try again.",
   "response.FreePlanLimit": "You are currently a free user and cannot use this feature. Please upgrade to a paid plan to continue using it.",
   "response.GoogleAIBlockReason.BLOCKLIST": "Your content contains prohibited terms. Please review and modify your input, then try again.",
   "response.GoogleAIBlockReason.IMAGE_SAFETY": "The generated image was blocked for safety reasons. Please try modifying your image request.",
@@ -106,6 +107,7 @@
   "response.PluginSettingsInvalid": "This skill needs to be correctly configured before it can be used. Please check if your configuration is correct",
   "response.ProviderBizError": "Error requesting {{provider}} service, please troubleshoot or retry based on the following information",
   "response.QuotaLimitReached": "Sorry, the token usage or request count has reached the quota limit for this key. Please increase the key's quota or try again later.",
+  "response.QuotaLimitReachedCloud": "The model service is currently under heavy load. Please try again later.",
   "response.ServerAgentRuntimeError": "Sorry, the Agent service is currently unavailable. Please try again later or contact us via email for support.",
   "response.StreamChunkError": "Error parsing the message chunk of the streaming request. Please check if the current API interface complies with the standard specifications, or contact your API provider for assistance.",
   "response.SubscriptionKeyMismatch": "We apologize for the inconvenience. Due to a temporary system malfunction, your current subscription usage is inactive. Please click the button below to restore your subscription, or contact us via email for support.",

locales/zh-CN/error.json

@@ -67,6 +67,7 @@
   "response.ConnectionCheckFailed": "测试返回为空。请确认 API 代理地址末尾未包含 `/v1`",
   "response.CreateMessageError": "消息未能发送。建议先复制内容再重试；刷新页面后该消息不会保留",
   "response.ExceededContextWindow": "上下文长度超出模型限制。请减少内容量后重试",
+  "response.ExceededContextWindowCloud": "当前对话内容过长，无法继续处理。请编辑最后一条消息减少输入内容或者删除一些消息重试。",
   "response.FreePlanLimit": "当前计划不支持该功能。请升级到付费计划后继续",
   "response.GoogleAIBlockReason.BLOCKLIST": "内容包含被禁止的词汇。请修改后重试",
   "response.GoogleAIBlockReason.IMAGE_SAFETY": "图像生成请求因安全策略被阻止。请调整描述后重试",
@@ -106,6 +107,7 @@
   "response.PluginSettingsInvalid": "该技能需要完成配置后才能使用，请检查技能配置",
   "response.ProviderBizError": "模型服务商返回错误。请根据以下信息排查，或稍后重试",
   "response.QuotaLimitReached": "Token 用量或请求次数已达配额上限。请提升配额或稍后再试",
+  "response.QuotaLimitReachedCloud": "当前模型服务负载较高，请稍后重试。",
   "response.ServerAgentRuntimeError": "助理运行服务暂不可用。请稍后再试，或邮件联系我们",
   "response.StreamChunkError": "流式响应解析失败。请检查接口是否符合规范，或联系模型服务商",
   "response.SubscriptionKeyMismatch": "订阅状态同步异常。你可以点击下方按钮恢复订阅，或邮件联系我们",