增加“对话记录”

webui/src/locales/en.json

@@ -17,6 +17,10 @@
             "label": "API Test",
             "desc": "Test API connectivity and responses"
         },
+        "history": {
+            "label": "Conversations",
+            "desc": "Browse server-side external chat history"
+        },
         "import": {
             "label": "Batch Import",
             "desc": "Bulk import account configuration"
@@ -234,6 +238,66 @@
         "enterMessage": "Enter a message...",
         "adminConsoleLabel": "DeepSeek admin console"
     },
+    "chatHistory": {
+        "loading": "Loading conversation history...",
+        "loadFailed": "Failed to load conversation history.",
+        "retentionTitle": "Retention",
+        "retentionDesc": "The server keeps only the latest N external /v1/chat/completions conversations.",
+        "off": "OFF",
+        "refresh": "Refresh",
+        "clearAll": "Clear all",
+        "clearSuccess": "Conversation history cleared.",
+        "clearFailed": "Failed to clear conversation history.",
+        "deleteSuccess": "Conversation deleted.",
+        "deleteFailed": "Failed to delete conversation.",
+        "updateLimitFailed": "Failed to update retention limit.",
+        "limitUpdated": "Retention limit updated to {limit}",
+        "listTitle": "History",
+        "detailTitle": "Details",
+        "viewModeList": "List mode",
+        "viewModeMerged": "Merged mode",
+        "emptyTitle": "No conversation history yet",
+        "emptyDesc": "When external clients call /v1/chat/completions, the server will save the results here automatically.",
+        "untitled": "Untitled conversation",
+        "noPreview": "No preview available.",
+        "selectPrompt": "Select a record on the left to view details.",
+        "mergedInput": "Final message sent to DeepSeek",
+        "emptyMergedPrompt": "No merged prompt is available.",
+        "expand": "Expand",
+        "collapse": "Collapse",
+        "reasoningTrace": "Reasoning Trace",
+        "failedOutput": "The request failed and no assistant output is available.",
+        "emptyAssistantOutput": "No assistant output is available.",
+        "emptyUserInput": "No user input is available.",
+        "confirmClearTitle": "Clear all records?",
+        "confirmClearDesc": "This deletes every server-side conversation record and cannot be undone.",
+        "confirmClearAction": "Clear all",
+        "metaTitle": "Metadata",
+        "metaAccount": "Account",
+        "metaElapsed": "Elapsed",
+        "metaModel": "Model",
+        "metaStatusCode": "Status code",
+        "metaStream": "Output mode",
+        "metaCaller": "Caller fingerprint",
+        "metaTime": "Completed at",
+        "metaUnknown": "Unknown",
+        "backToTop": "Back to top",
+        "backToBottom": "Jump to bottom",
+        "streamMode": "Streaming",
+        "nonStreamMode": "Non-streaming",
+        "status": {
+            "streaming": "Streaming",
+            "success": "Success",
+            "error": "Error",
+            "stopped": "Stopped"
+        },
+        "role": {
+            "user": "User",
+            "assistant": "Assistant",
+            "tool": "Tool",
+            "system": "System"
+        }
+    },
     "batchImport": {
         "templates": {
             "full": {

webui/src/locales/zh.json

@@ -17,6 +17,10 @@
             "label": "API 测试",
             "desc": "测试 API 连接与响应"
         },
+        "history": {
+            "label": "对话记录",
+            "desc": "查看服务器保存的外部对话历史"
+        },
         "import": {
             "label": "批量导入",
             "desc": "批量导入账号配置"
@@ -234,6 +238,66 @@
         "enterMessage": "输入消息...",
         "adminConsoleLabel": "DeepSeek 管理员界面"
     },
+    "chatHistory": {
+        "loading": "正在加载对话记录...",
+        "loadFailed": "加载对话记录失败",
+        "retentionTitle": "保留条数",
+        "retentionDesc": "服务器端只保留最新 N 条外部 /v1/chat/completions 对话记录。",
+        "off": "OFF",
+        "refresh": "刷新",
+        "clearAll": "清空全部",
+        "clearSuccess": "对话记录已清空",
+        "clearFailed": "清空对话记录失败",
+        "deleteSuccess": "对话记录已删除",
+        "deleteFailed": "删除对话记录失败",
+        "updateLimitFailed": "更新保留条数失败",
+        "limitUpdated": "保留条数已更新为 {limit}",
+        "listTitle": "历史列表",
+        "detailTitle": "对话详情",
+        "viewModeList": "列表模式",
+        "viewModeMerged": "合并模式",
+        "emptyTitle": "还没有可用的对话记录",
+        "emptyDesc": "当外部客户端调用 /v1/chat/completions 时，服务端会自动把结果写入这里。",
+        "untitled": "未命名对话",
+        "noPreview": "暂无预览内容",
+        "selectPrompt": "从左侧选择一条记录查看详情。",
+        "mergedInput": "最终发送给 DeepSeek 的完整消息",
+        "emptyMergedPrompt": "没有可展示的完整消息。",
+        "expand": "展开全部",
+        "collapse": "收起",
+        "reasoningTrace": "思维链过程",
+        "failedOutput": "请求失败，未生成可展示的回答。",
+        "emptyAssistantOutput": "没有可展示的生成内容。",
+        "emptyUserInput": "没有可展示的用户输入。",
+        "confirmClearTitle": "确认清空全部记录？",
+        "confirmClearDesc": "此操作会删除服务器里的全部对话记录，无法恢复。",
+        "confirmClearAction": "确认清空",
+        "metaTitle": "元信息",
+        "metaAccount": "使用账号",
+        "metaElapsed": "耗时",
+        "metaModel": "模型",
+        "metaStatusCode": "状态码",
+        "metaStream": "输出模式",
+        "metaCaller": "调用方指纹",
+        "metaTime": "完成时间",
+        "metaUnknown": "未知",
+        "backToTop": "回到顶部",
+        "backToBottom": "跳到底部",
+        "streamMode": "流式",
+        "nonStreamMode": "非流式",
+        "status": {
+            "streaming": "进行中",
+            "success": "成功",
+            "error": "失败",
+            "stopped": "已停止"
+        },
+        "role": {
+            "user": "用户",
+            "assistant": "助手",
+            "tool": "工具",
+            "system": "系统"
+        }
+    },
     "batchImport": {
         "templates": {
             "full": {