feat: i18n 中英双语界面 — i18next + react-i18next

- 安装 i18next / react-i18next / i18next-browser-languagedetector
- 新建 src/i18n.ts 配置（fallback zh）
- 中/英翻译文件各 ~50 条目
- App.tsx 新增 EN/中 语言切换按钮
- ExportPanel + QrPreview + ModePanel + HistoryList + ErrorBoundary
- 全部 7 种模式组件均支持双语
- 12 前端测试通过，tsc 零错误

gui/src-frontend/pnpm-lock.yaml

@@ -23,12 +23,21 @@ importers:
       '@tauri-apps/plugin-store':
         specifier: ^2
         version: 2.4.3
+      i18next:
+        specifier: ^26.3.1
+        version: 26.3.1(typescript@5.9.3)
+      i18next-browser-languagedetector:
+        specifier: ^8.2.1
+        version: 8.2.1
       react:
         specifier: ^18.3.1
         version: 18.3.1
       react-dom:
         specifier: ^18.3.1
         version: 18.3.1(react@18.3.1)
+      react-i18next:
+        specifier: ^17.0.8
+        version: 17.0.8(i18next@26.3.1(typescript@5.9.3))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.9.3)
     devDependencies:
       '@commitlint/cli':
         specifier: ^19
@@ -1571,6 +1580,9 @@ packages:
     resolution: {integrity: sha512-Y22oTqIU4uuPgEemfz7NDJz6OeKf12Lsu+QC+s3BVpda64lTiMYCyGwg5ki4vFxkMwQdeZDl2adZoqUgdFuTgQ==}
     engines: {node: '>=18'}
 
+  html-parse-stringify@3.0.1:
+    resolution: {integrity: sha512-KknJ50kTInJ7qIScF3jeaFRpMpE8/lfiTdzf/twXyPBLAGrLRTmkz3AdTnKeh40X8k9L2fdYwEp/42WGXIRGcg==}
+
   http-proxy-agent@7.0.2:
     resolution: {integrity: sha512-T1gkAiYYDWYx3V5Bmyu7HcfcvL7mUrTWiM6yOfa3PIphViJ/gFPbvidQ+veqSOHci/PxBcDabeUNCzpOODJZig==}
     engines: {node: '>= 14'}
@@ -1588,6 +1600,17 @@ packages:
     engines: {node: '>=18'}
     hasBin: true
 
+  i18next-browser-languagedetector@8.2.1:
+    resolution: {integrity: sha512-bZg8+4bdmaOiApD7N7BPT9W8MLZG+nPTOFlLiJiT8uzKXFjhxw4v2ierCXOwB5sFDMtuA5G4kgYZ0AznZxQ/cw==}
+
+  i18next@26.3.1:
+    resolution: {integrity: sha512-txQqd5EULsqEh9OJqRH15aCaOuy/nLJyhw5EHCSKLKJE1aBbb3Zve2+uQIxgWhPm1QqUQoWyQBm2kfmmIrzkcQ==}
+    peerDependencies:
+      typescript: ^5 || ^6
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
   iconv-lite@0.6.3:
     resolution: {integrity: sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==}
     engines: {node: '>=0.10.0'}
@@ -2141,6 +2164,22 @@ packages:
     peerDependencies:
       react: ^18.3.1
 
+  react-i18next@17.0.8:
+    resolution: {integrity: sha512-0ooKbGLU8JXhe1zwpQUWIeXSgLPOfwJmgheWRIUpcoA0CpyabpGhayjdG+/eA5esC1AQ8h2jWpXjJfzQzeDOCw==}
+    peerDependencies:
+      i18next: '>= 26.2.0'
+      react: '>= 16.8.0'
+      react-dom: '*'
+      react-native: '*'
+      typescript: ^5 || ^6
+    peerDependenciesMeta:
+      react-dom:
+        optional: true
+      react-native:
+        optional: true
+      typescript:
+        optional: true
+
   react-is@17.0.1:
     resolution: {integrity: sha512-NAnt2iGDXohE5LI7uBnLnqvLQMtzhkiAOLXTmv+qnF9Ky7xAPcX8Up/xWIhxvLVGJvuLiNc4xQLtuqDRzb4fSA==}
 
@@ -2482,6 +2521,11 @@ packages:
   uri-js@4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
 
+  use-sync-external-store@1.6.0:
+    resolution: {integrity: sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==}
+    peerDependencies:
+      react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
+
   util-deprecate@1.0.2:
     resolution: {integrity: sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==}
 
@@ -2561,6 +2605,10 @@ packages:
       jsdom:
         optional: true
 
+  void-elements@3.1.0:
+    resolution: {integrity: sha512-Dhxzh5HZuiHQhbvTW9AMetFfBHDMYpo23Uo9btPXgdYP+3T5S+p+jgNy7spra+veYhBP2dCSgxR/i2Y02h5/6w==}
+    engines: {node: '>=0.10.0'}
+
   w3c-xmlserializer@5.0.0:
     resolution: {integrity: sha512-o8qghlI8NZHU1lLPrpi2+Uq7abh4GGPpYANlalzWxyWteJOCsr/P+oPBA49TOLu5FTZO4d3F9MnWJfiMo4BkmA==}
     engines: {node: '>=18'}
@@ -4115,6 +4163,10 @@ snapshots:
     dependencies:
       whatwg-encoding: 3.1.1
 
+  html-parse-stringify@3.0.1:
+    dependencies:
+      void-elements: 3.1.0
+
   http-proxy-agent@7.0.2:
     dependencies:
       agent-base: 7.1.0
@@ -4133,6 +4185,14 @@ snapshots:
 
   husky@9.1.7: {}
 
+  i18next-browser-languagedetector@8.2.1:
+    dependencies:
+      '@babel/runtime': 7.29.7
+
+  i18next@26.3.1(typescript@5.9.3):
+    optionalDependencies:
+      typescript: 5.9.3
+
   iconv-lite@0.6.3:
     dependencies:
       safer-buffer: 2.1.2
@@ -4617,6 +4677,17 @@ snapshots:
       react: 18.3.1
       scheduler: 0.23.2
 
+  react-i18next@17.0.8(i18next@26.3.1(typescript@5.9.3))(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(typescript@5.9.3):
+    dependencies:
+      '@babel/runtime': 7.29.7
+      html-parse-stringify: 3.0.1
+      i18next: 26.3.1(typescript@5.9.3)
+      react: 18.3.1
+      use-sync-external-store: 1.6.0(react@18.3.1)
+    optionalDependencies:
+      react-dom: 18.3.1(react@18.3.1)
+      typescript: 5.9.3
+
   react-is@17.0.1: {}
 
   react-refresh@0.17.0: {}
@@ -4968,6 +5039,10 @@ snapshots:
     dependencies:
       punycode: 2.3.1
 
+  use-sync-external-store@1.6.0(react@18.3.1):
+    dependencies:
+      react: 18.3.1
+
   util-deprecate@1.0.2: {}
 
   validate-npm-package-license@3.0.4:
@@ -5051,6 +5126,8 @@ snapshots:
       - tsx
       - yaml
 
+  void-elements@3.1.0: {}
+
   w3c-xmlserializer@5.0.0:
     dependencies:
       xml-name-validator: 5.0.0