Refactor BottomNav and CommunityPage to enhance community forum integration; update navigation logic for mobile and desktop views. Add new localized strings for community page and system settings, including device information and user prompts.

client/src/locales/data-en.json

@@ -11,7 +11,8 @@
     "powerOffConfirmOk": "Turn off",
     "powerOffConfirmCancel": "Cancel",
     "powerOffToastDemo": "Demo mode: disconnected from the device.",
-    "powerOffToastSent": "Shutdown command sent."
+    "powerOffToastSent": "Shutdown command sent.",
+    "doubleClickHint": "Double-click to enter"
   },
   "vuPage": {
     "title": "VU meter gallery"
@@ -23,6 +24,13 @@
     "effects": "Effects",
     "myAi": "My AI"
   },
+  "communityPage": {
+    "title": "Community",
+    "intro": "The forum opens best in your system browser. Copy the full link below, paste it into your mobile browser’s address bar, and open it.",
+    "copyLink": "Copy link",
+    "toastCopied": "Link copied",
+    "toastCopyFailed": "Could not copy. Long-press the link to copy it manually."
+  },
   "source": {
     "label": "Input/Output",
     "input": {
@@ -226,6 +234,11 @@
     "eqUi": {
       "batchEditTitle": "Batch edit",
       "batchEditHint": "11 lines total: line 1 is Preamp, lines 2–11 are Filter 1–10. Saving overwrites the current headphone preset.",
+      "addPresetTitle": "New preset",
+      "addPresetNameEmpty": "Name cannot be empty",
+      "addPresetNameExists": "That name already exists. Choose another.",
+      "toastAddPresetOk": "Preset added",
+      "toastAddPresetFail": "Failed to add preset",
       "cancel": "Cancel",
       "save": "Save",
       "tabBrands": "Brands",
@@ -275,6 +288,9 @@
     }
   },
   "dac": {
+    "sectionBalanceSensitivity": "Balance & sensitivity",
+    "sectionOutput": "Output characteristics",
+    "sectionSystemInterface": "System & interface",
     "balance": "Left-right balance",
     "sensitivity": "VU Meter Sensitivity",
     "filters": {
@@ -528,6 +544,22 @@
           "label": "60 seconds of inactivity"
         }
       ]
+    },
+    "systemPage": {
+      "sectionDisplay": "Display",
+      "sectionGeneral": "General",
+      "sectionAbout": "About",
+      "screenBrightnessDesc": "Adjust overall screen brightness",
+      "turnOffScreenDesc": "Time before the screen turns off after no activity",
+      "knobBrightnessDesc": "Brightness of the knob indicator LEDs",
+      "buttonLightDesc": "Breathing light effect on the knob when the screen is locked",
+      "languageDesc": "System display language",
+      "automaticDesc": "Return to the home screen automatically after idle time",
+      "sleepDesc": "When the device enters sleep or low-power mode",
+      "deviceName": "Device name",
+      "firmwareVersion": "Firmware version",
+      "macAddress": "MAC address",
+      "disconnect": "Disconnect"
     }
   },
   "prompt": {

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

@@ -11,7 +11,8 @@
     "powerOffConfirmOk": "關閉電源",
     "powerOffConfirmCancel": "取消",
     "powerOffToastDemo": "演示模式：已中斷與裝置的連線",
-    "powerOffToastSent": "已傳送關機指令"
+    "powerOffToastSent": "已傳送關機指令",
+    "doubleClickHint": "按兩下進入"
   },
   "vuPage": {
     "title": "VU 表庫"
@@ -23,6 +24,13 @@
     "effects": "Effect",
     "myAi": "我的AI"
   },
+  "communityPage": {
+    "title": "社區",
+    "intro": "論壇需在系統瀏覽器中開啟。請複製下方完整連結，在手機瀏覽器網址列貼上並前往。",
+    "copyLink": "複製連結",
+    "toastCopied": "連結已複製",
+    "toastCopyFailed": "複製失敗，請長按連結手動複製"
+  },
   "source": {
     "label": "輸入/輸出",
     "input": { "coaxial": "同軸", "optical": "光纖", "bluetooth": "藍牙", "rca": "類比RCA" },
@@ -162,6 +170,11 @@
     "eqUi": {
       "batchEditTitle": "批次編輯",
       "batchEditHint": "共 11 行：第 1 行為 Preamp，第 2–11 行為 Filter 1–10。儲存後將覆寫目前耳機的參數。",
+      "addPresetTitle": "新增預設",
+      "addPresetNameEmpty": "名稱不能為空",
+      "addPresetNameExists": "名稱已存在，請修改後再儲存",
+      "toastAddPresetOk": "已新增預設",
+      "toastAddPresetFail": "新增預設失敗",
       "cancel": "取消",
       "save": "儲存",
       "tabBrands": "品牌",
@@ -211,6 +224,9 @@
     }
   },
   "dac": {
+    "sectionBalanceSensitivity": "平衡與靈敏度",
+    "sectionOutput": "輸出特性",
+    "sectionSystemInterface": "系統與介面",
     "balance": "左右平衡",
     "sensitivity": "VU表靈敏度",
     "filters": {
@@ -344,6 +360,22 @@
         { "index": 2, "label": "無操作40秒" },
         { "index": 3, "label": "無操作60秒" }
       ]
+    },
+    "systemPage": {
+      "sectionDisplay": "顯示",
+      "sectionGeneral": "一般",
+      "sectionAbout": "關於",
+      "screenBrightnessDesc": "調節螢幕的整體亮度",
+      "turnOffScreenDesc": "裝置無操作後自動關閉螢幕的時間",
+      "knobBrightnessDesc": "調節旋鈕指示燈的亮度",
+      "buttonLightDesc": "鎖屏後旋鈕是否顯示呼吸燈效果",
+      "languageDesc": "設定系統顯示語言",
+      "automaticDesc": "閒置一段時間後自動回到主畫面",
+      "sleepDesc": "設定裝置進入低功耗模式的時間",
+      "deviceName": "裝置名稱",
+      "firmwareVersion": "韌體版本",
+      "macAddress": "MAC 位址",
+      "disconnect": "中斷連線"
     }
   },
   "prompt": {

client/src/locales/data-zh.json

@@ -11,7 +11,8 @@
     "powerOffConfirmOk": "关闭电源",
     "powerOffConfirmCancel": "取消",
     "powerOffToastDemo": "演示模式：已断开与设备的连接",
-    "powerOffToastSent": "已发送关机指令"
+    "powerOffToastSent": "已发送关机指令",
+    "doubleClickHint": "双击进入"
   },
   "vuPage": {
     "title": "VU 表库"
@@ -23,6 +24,13 @@
     "effects": "Effect",
     "myAi": "我的AI"
   },
+  "communityPage": {
+    "title": "社区",
+    "intro": "论坛需在系统浏览器中打开。请复制下方完整链接，在手机浏览器地址栏粘贴并访问。",
+    "copyLink": "复制链接",
+    "toastCopied": "链接已复制",
+    "toastCopyFailed": "复制失败，请长按链接手动复制"
+  },
   "source": {
     "label": "输入输出",
     "input": { "coaxial": "同轴", "optical": "光钎", "bluetooth": "蓝牙", "rca": "模拟RCA" },
@@ -162,6 +170,11 @@
     "eqUi": {
       "batchEditTitle": "批量编辑",
       "batchEditHint": "共 11 行：第 1 行为 Preamp，第 2–11 行为 Filter 1–10。保存后将覆盖当前耳机的参数。",
+      "addPresetTitle": "新增预设",
+      "addPresetNameEmpty": "名称不能为空",
+      "addPresetNameExists": "名称已存在，请修改后再保存",
+      "toastAddPresetOk": "已新增预设",
+      "toastAddPresetFail": "新增预设失败",
       "cancel": "取消",
       "save": "保存",
       "tabBrands": "品牌",
@@ -211,6 +224,9 @@
     }
   },
   "dac": {
+    "sectionBalanceSensitivity": "平衡与灵敏度",
+    "sectionOutput": "输出特性",
+    "sectionSystemInterface": "系统与接口",
     "balance": "左右平衡",
     "sensitivity": "vu表灵敏度",
     "filters": {
@@ -345,6 +361,22 @@
         { "index": 2, "label": "无操作40秒" },
         { "index": 3, "label": "无操作60秒" }
       ]
+    },
+    "systemPage": {
+      "sectionDisplay": "显示",
+      "sectionGeneral": "通用",
+      "sectionAbout": "关于",
+      "screenBrightnessDesc": "调节屏幕的整体亮度",
+      "turnOffScreenDesc": "设备无操作后自动关闭屏幕的时间",
+      "knobBrightnessDesc": "调节旋钮指示灯的亮度",
+      "buttonLightDesc": "锁屏后旋钮是否显示呼吸灯效果",
+      "languageDesc": "设置系统显示语言",
+      "automaticDesc": "闲置一段时间后自动回到主界面",
+      "sleepDesc": "设置设备进入低功耗模式的时间",
+      "deviceName": "设备名称",
+      "firmwareVersion": "固件版本",
+      "macAddress": "MAC 地址",
+      "disconnect": "断开连接"
     }
   },
   "prompt": {