Update locale files for English, Traditional Chinese, and Simplified Chinese to include new effect titles and crossfeed options; refactor EffectsPage to utilize localized labels and improve state management for audio effects.

client/src/locales/data-en.json

@@ -36,6 +36,9 @@
     }
   },
   "effect": {
+    "pageTitle": "Effects",
+    "selectStyleTitle": "Select sound style",
+    "selectCrossfeedTitle": "Select crossfeed preset",
     "lowBass": "Bass",
     "enterBass": "Mid",
     "highBass": "Treble",
@@ -47,7 +50,7 @@
     "mainframeCase": "Main speaker",
     "subwooferUnit": "Subwoofer",
     "style": {
-      "label": "style",
+      "label": "Style",
       "options": [
         {
           "index": 0,
@@ -119,7 +122,12 @@
       "label": "Stereo width"
     },
     "crossfeed": {
-      "label": "Crossfeed"
+      "label": "Crossfeed",
+      "options": [
+        "BS2B default (700 Hz, 4.5 dB)",
+        "BS2B popular (700 Hz, 6 dB)",
+        "BS2B relax (650 Hz, 9.5 dB)"
+      ]
     },
     "subwoofer": {
       "label": "Subwoofer",
@@ -145,7 +153,7 @@
     "Standard": "Standard equalizer preset",
     "edit": "Batch Edit",
     "headset": "Add HeadSet",
-    "preamp": "Total gain",
+    "preamp": "Preamp",
     "filters": {
       "label": "Filters",
       "options": [

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

@@ -29,6 +29,9 @@
     "output": { "headset": "耳機" }
   },
   "effect": {
+    "pageTitle": "音效",
+    "selectStyleTitle": "選擇音效風格",
+    "selectCrossfeedTitle": "選擇交叉回授模式",
     "lowBass": "低頻",
     "enterBass": "中頻",
     "highBass": "高頻",
@@ -60,7 +63,14 @@
       ]
     },
     "stereoWidth": { "label": "聲場寬度" },
-    "crossfeed": { "label": "交叉回授" },
+    "crossfeed": {
+      "label": "交叉回授",
+      "options": [
+        "BS2B default(700Hz,4.5dB)",
+        "BS2B polular(700Hz,6dB)",
+        "BS2B relax(650Hz,9.5dB)"
+      ]
+    },
     "subwoofer": {
       "label": "重低音輸出",
       "freq": "低通頻率",

client/src/locales/data-zh.json

@@ -29,6 +29,9 @@
     "output": { "headset": "耳机" }
   },
   "effect": {
+    "pageTitle": "音效",
+    "selectStyleTitle": "选择音效风格",
+    "selectCrossfeedTitle": "选择交叉反馈模式",
     "lowBass": "低音",
     "enterBass": "中音",
     "highBass": "高音",
@@ -39,7 +42,7 @@
     "mainframeCase": "主机箱",
     "subwooferUnit": "低音炮",
     "style": {
-      "label": "Style",
+      "label": "风格",
       "options": [
         { "index": 0, "label": "古典" },
         { "index": 1, "label": "舞曲" },
@@ -60,7 +63,14 @@
       ]
     },
     "stereoWidth": { "label": "声场宽度" },
-    "crossfeed": { "label": "交叉反馈" },
+    "crossfeed": {
+      "label": "交叉反馈",
+      "options": [
+        "BS2B default(700Hz,4.5dB)",
+        "BS2B polular(700Hz,6dB)",
+        "BS2B relax(650Hz,9.5dB)"
+      ]
+    },
     "subwoofer": {
       "label": "低音炮输出",
       "freq": "低通频率",