新增AI的功能与页面，扩展了国际化功能

client/src/lib/aiApi.ts

@@ -28,12 +28,33 @@ export interface ChatRead {
   updated_at: string;
 }
 
+export interface OptimizePeqPayload {
+  name?: string;
+  brand?: string;
+  model?: string;
+  preamp?: number;
+  canDel?: number;
+  autoPre?: number;
+  filters?: Array<{
+    type: number | string;
+    fc?: number;
+    frequency?: number;
+    gain: number;
+    q: number;
+  }>;
+}
+
 export interface MessageRead {
   id: string;
   role: "user" | "assistant";
   content: string;
   created_at: string;
+  /** 0: 默认聊天, 1: 摘要, 2: 优化记录, 3: 标题生成 */
   type: number;
+  before_peq: OptimizePeqPayload | null;
+  after_peq: OptimizePeqPayload | null;
+  applied: boolean;
+  applied_at: string | null;
 }
 
 export interface ToolUseBlock {
@@ -88,6 +109,14 @@ export async function clearChat(chatId: string): Promise<void> {
   });
 }
 
+export async function updateMessageApplied(messageId: string, applied: boolean): Promise<void> {
+  const url = `${getAIBaseUrl()}/sse/update_message_applied?message_id=${encodeURIComponent(
+    messageId,
+  )}&applied=${applied ? "true" : "false"}`;
+  const res = await fetch(url, { method: "POST" });
+  if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`);
+}
+
 export async function sendToolResult(toolUseId: string, content: { ok: boolean; content?: any; message?: string }): Promise<void> {
   await fetch(`${getAIBaseUrl()}/chat/tool_result`, {
     method: "POST",

client/src/locales/data-en.json

@@ -485,5 +485,60 @@
     "selectedYet": "Target curve not selected yet",
     "leftChannel": "Left channel",
     "rightChannel": "Right channel"
+  },
+  "ai": {
+    "title": "Luxsin AI",
+    "welcomeTitle": "Hi, I'm Luxsin AI",
+    "welcomeDescription": "I can help you check and adjust {device} settings, analyze headphone frequency response, optimize EQ, or answer usage questions.",
+    "suggestionsLabel": "Try asking",
+    "suggestions": [
+      { "title": "Optimize my EQ", "prompt": "Please optimize my current EQ — I want clearer vocals." },
+      { "title": "Recommend Pop EQ", "prompt": "Recommend a set of EQ parameters suitable for pop music." },
+      { "title": "Check device status", "prompt": "Show me the current volume, input source and output port." },
+      { "title": "Switch input source", "prompt": "Switch the input source to USB-C." }
+    ],
+    "inputPlaceholder": "Ask about your device, EQ, effects…",
+    "thinking": "Thinking…",
+    "stopped": "(Stopped)",
+    "requestFailed": "Request failed. Please try again later.",
+    "ariaSend": "Send",
+    "ariaStop": "Stop",
+    "ariaNewChat": "New chat",
+    "ariaHistory": "History",
+    "ariaClose": "Close",
+    "clearCurrent": "Clear this chat",
+    "cleared": "Current chat cleared",
+    "clearFailed": "Clear failed: {message}",
+    "deviceRequired": "Please connect a device first",
+    "deviceDisconnected": "Device disconnected",
+    "loadHistoryFailed": "Failed to load history: {message}",
+    "loadChatFailed": "Failed to load chat: {message}",
+    "toolResultFailed": "Failed to send tool result: {message}",
+    "history": {
+      "title": "Chat history",
+      "newChat": "Start a new chat",
+      "empty": "No chat history yet",
+      "current": "Current"
+    },
+    "optimize": {
+      "badge": "Optimization",
+      "applied": "Applied",
+      "summary": "{count} filters · preamp {preamp} dB",
+      "compare": "Compare",
+      "apply": "Apply",
+      "rollback": "Rollback",
+      "applySuccess": "New EQ applied",
+      "rollbackSuccess": "Rolled back to original EQ",
+      "applyFailed": "Operation failed: {message}"
+    },
+    "compareDialog": {
+      "title": "EQ comparison",
+      "legendBefore": "Before",
+      "legendAfter": "After",
+      "close": "Close",
+      "apply": "Apply this optimization",
+      "rollback": "Rollback to original",
+      "paramSummary": "{count} filters · preamp {preamp} dB"
+    }
   }
 }

client/src/locales/data-zh-HK.json

@@ -299,5 +299,60 @@
     "selectedYet": "你尚未選擇目標曲線",
     "leftChannel": "左聲道",
     "rightChannel": "右聲道"
+  },
+  "ai": {
+    "title": "Luxsin AI",
+    "welcomeTitle": "你好，我是 Luxsin AI",
+    "welcomeDescription": "可以幫你查詢與調整 {device} 的設定，分析耳機頻響、優化 EQ，或者解答使用上的疑問。",
+    "suggestionsLabel": "試試這樣問",
+    "suggestions": [
+      { "title": "優化我的 EQ", "prompt": "幫我優化目前 EQ，我希望人聲更清晰一些" },
+      { "title": "推薦流行樂 EQ", "prompt": "推薦一套適合聽流行音樂的 EQ 參數" },
+      { "title": "查看裝置狀態", "prompt": "幫我查看目前的音量、輸入源和輸出埠" },
+      { "title": "切換輸入源", "prompt": "把輸入源切換到 USB-C" }
+    ],
+    "inputPlaceholder": "問問關於裝置、EQ、音效……",
+    "thinking": "思考中…",
+    "stopped": "（已停止）",
+    "requestFailed": "請求失敗，請稍後重試",
+    "ariaSend": "發送",
+    "ariaStop": "停止",
+    "ariaNewChat": "新增會話",
+    "ariaHistory": "歷史會話",
+    "ariaClose": "關閉",
+    "clearCurrent": "清空目前會話",
+    "cleared": "已清空目前會話",
+    "clearFailed": "清空失敗：{message}",
+    "deviceRequired": "請先連接裝置",
+    "deviceDisconnected": "裝置未連接",
+    "loadHistoryFailed": "載入歷史失敗：{message}",
+    "loadChatFailed": "載入會話失敗：{message}",
+    "toolResultFailed": "工具結果回傳失敗：{message}",
+    "history": {
+      "title": "歷史會話",
+      "newChat": "開始新會話",
+      "empty": "暫無歷史會話",
+      "current": "目前"
+    },
+    "optimize": {
+      "badge": "優化記錄",
+      "applied": "已套用",
+      "summary": "{count} 個濾波器 · 總增益 {preamp} dB",
+      "compare": "對比",
+      "apply": "套用",
+      "rollback": "回滾",
+      "applySuccess": "已套用新的 EQ",
+      "rollbackSuccess": "已回滾到原 EQ",
+      "applyFailed": "操作失敗：{message}"
+    },
+    "compareDialog": {
+      "title": "EQ 對比",
+      "legendBefore": "優化前",
+      "legendAfter": "優化後",
+      "close": "關閉",
+      "apply": "套用此優化",
+      "rollback": "回滾到優化前",
+      "paramSummary": "{count} 段 · preamp {preamp} dB"
+    }
   }
 }

client/src/locales/data-zh.json

@@ -300,5 +300,60 @@
     "selectedYet": "你还未选择目标曲线",
     "leftChannel": "左声道",
     "rightChannel": "右声道"
+  },
+  "ai": {
+    "title": "Luxsin AI",
+    "welcomeTitle": "你好，我是 Luxsin AI",
+    "welcomeDescription": "可以帮你查询与调整 {device} 的设置，分析耳机频响、优化 EQ，或者解答使用上的疑问。",
+    "suggestionsLabel": "试试这样问",
+    "suggestions": [
+      { "title": "优化我的 EQ", "prompt": "帮我优化当前 EQ，我希望人声更清晰一些" },
+      { "title": "推荐流行乐 EQ", "prompt": "推荐一套适合听流行音乐的 EQ 参数" },
+      { "title": "查看设备状态", "prompt": "帮我查看当前的音量、输入源和输出端口" },
+      { "title": "切换输入源", "prompt": "把输入源切换到 USB-C" }
+    ],
+    "inputPlaceholder": "问问关于设备、EQ、音效……",
+    "thinking": "思考中…",
+    "stopped": "（已停止）",
+    "requestFailed": "请求失败，请稍后重试",
+    "ariaSend": "发送",
+    "ariaStop": "停止",
+    "ariaNewChat": "新建会话",
+    "ariaHistory": "历史会话",
+    "ariaClose": "关闭",
+    "clearCurrent": "清空当前会话",
+    "cleared": "已清空当前会话",
+    "clearFailed": "清空失败：{message}",
+    "deviceRequired": "请先连接设备",
+    "deviceDisconnected": "设备未连接",
+    "loadHistoryFailed": "加载历史失败：{message}",
+    "loadChatFailed": "加载会话失败：{message}",
+    "toolResultFailed": "工具结果回传失败：{message}",
+    "history": {
+      "title": "历史会话",
+      "newChat": "开始新会话",
+      "empty": "暂无历史会话",
+      "current": "当前"
+    },
+    "optimize": {
+      "badge": "优化记录",
+      "applied": "已应用",
+      "summary": "{count} 个滤波器 · 总增益 {preamp} dB",
+      "compare": "对比",
+      "apply": "应用",
+      "rollback": "回滚",
+      "applySuccess": "已应用新的 EQ",
+      "rollbackSuccess": "已回滚到原 EQ",
+      "applyFailed": "操作失败：{message}"
+    },
+    "compareDialog": {
+      "title": "EQ 对比",
+      "legendBefore": "优化前",
+      "legendAfter": "优化后",
+      "close": "关闭",
+      "apply": "应用此优化",
+      "rollback": "回滚到优化前",
+      "paramSummary": "{count} 段 · preamp {preamp} dB"
+    }
   }
 }