feat(updater): 前端 Updater 封装与设置页接入\n\n- 新增 src/lib/updater.ts（check→download→install→relaunch 封装与类型）\n- SettingsModal 按钮优先走 Updater，失败回退打开 Releases\n- 依赖：@tauri-apps/plugin-updater、@tauri-apps/plugin-process\n- 文档：精简并重写 docs/updater-plan.md（明确接口/流程/配置）

pnpm-lock.yaml

@@ -26,6 +26,12 @@ importers:
       '@tauri-apps/api':
         specifier: ^2.8.0
         version: 2.8.0
+      '@tauri-apps/plugin-process':
+        specifier: ^2.0.0
+        version: 2.3.0
+      '@tauri-apps/plugin-updater':
+        specifier: ^2.0.0
+        version: 2.9.0
       codemirror:
         specifier: ^6.0.2
         version: 6.0.2
@@ -626,6 +632,12 @@ packages:
     engines: {node: '>= 10'}
     hasBin: true
 
+  '@tauri-apps/plugin-process@2.3.0':
+    resolution: {integrity: sha512-0DNj6u+9csODiV4seSxxRbnLpeGYdojlcctCuLOCgpH9X3+ckVZIEj6H7tRQ7zqWr7kSTEWnrxtAdBb0FbtrmQ==}
+
+  '@tauri-apps/plugin-updater@2.9.0':
+    resolution: {integrity: sha512-j++sgY8XpeDvzImTrzWA08OqqGqgkNyxczLD7FjNJJx/uXxMZFz5nDcfkyoI/rCjYuj2101Tci/r/HFmOmoxCg==}
+
   '@types/babel__core@7.20.5':
     resolution: {integrity: sha512-qoQprZvz5wQFJwMDqeseRXWv3rqMvhgpbXFfVyWhbx9X47POIA6i/+dXefEmZKoAgOaTdaIgNSMqMIU61yRyzA==}
 
@@ -1427,6 +1439,14 @@ snapshots:
       '@tauri-apps/cli-win32-ia32-msvc': 2.8.1
       '@tauri-apps/cli-win32-x64-msvc': 2.8.1
 
+  '@tauri-apps/plugin-process@2.3.0':
+    dependencies:
+      '@tauri-apps/api': 2.8.0
+
+  '@tauri-apps/plugin-updater@2.9.0':
+    dependencies:
+      '@tauri-apps/api': 2.8.0
+
   '@types/babel__core@7.20.5':
     dependencies:
       '@babel/parser': 7.28.0