Refactor Vite configuration for improved chunking strategy and caching. Enhance DeviceContext with new upgradePeqChange method for PEQ updates. Update audio page to support localized labels and dynamic volume control. Introduce new filter types and improve EQPage functionality with enhanced frequency response visualization.

client/src/locales/data-en.json

@@ -1,6 +1,6 @@
 {
   "home": {
-    "audioSet": "Audio setting"
+    "audioSet": "Audio setting","power": "power", "input": "input", "output": "output", "vu":"VU meter"
   },
   "source": {
     "label": "Input/Output",
@@ -227,7 +227,7 @@
         }
       ]
     },
-    "headPhoneGain": {
+    "dacGain": {
       "label": "Headphone gain",
       "options": [
         {

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

@@ -1,5 +1,5 @@
 {
-  "home": { "audioSet": "音訊設定" },
+  "home": { "audioSet": "音訊設定","power": "電源", "input": "輸入源", "output": "輸出端口", "vu":"VU表"},
   "source": {
     "label": "輸入/輸出",
     "input": { "coaxial": "同軸", "optical": "光纖", "bluetooth": "藍牙", "rca": "類比RCA" },
@@ -141,7 +141,7 @@
         { "index": 5, "label": "非過采樣（NOS）" }
       ]
     },
-    "headPhoneGain": {
+    "dacGain": {
       "label": "耳機增益",
       "options": [
         { "index": 0, "label": "低" },

client/src/locales/data-zh.json

@@ -1,5 +1,5 @@
 {
-  "home": { "audioSet": "音频设置" },
+  "home": { "audioSet": "音频设置", "power": "电源", "input": "输入源", "output": "输出端口", "vu":"VU表" },
   "source": {
     "label": "输入输出",
     "input": { "coaxial": "同轴", "optical": "光钎", "bluetooth": "蓝牙", "rca": "模拟RCA" },
@@ -141,7 +141,7 @@
         { "index": 5, "label": "非过采样（NOS）" }
       ]
     },
-    "headPhoneGain": {
+    "dacGain": {
       "label": "耳机增益",
       "options": [
         { "index": 0, "label": "低" },