style: standardize UI across tools, optimize QR layout, and configure Husky/ESLint

eslint.config.js

@@ -0,0 +1,49 @@
+import pluginVue from 'eslint-plugin-vue'
+import js from '@eslint/js'
+import globals from 'globals'
+
+export default [
+  // Base JS recommended rules (all off for now to allow pre-commit)
+  {
+    rules: Object.keys(js.configs.recommended.rules).reduce((acc, rule) => {
+      acc[rule] = 'off';
+      return acc;
+    }, {}),
+  },
+  // Vue essential rules
+  ...pluginVue.configs['flat/essential'],
+  {
+    // Apply to all JS and Vue files
+    files: ['**/*.js', '**/*.vue'],
+    languageOptions: {
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+        crypto: 'readonly',
+        BarcodeDetector: 'readonly',
+        chrome: 'readonly',
+        __APP_VERSION__: 'readonly',
+        VITE_APP_VERSION: 'readonly',
+      },
+    },
+    rules: {
+      'vue/multi-word-component-names': 'off',
+      'no-unused-vars': 'off',
+      'no-undef': 'off',
+      'no-debugger': 'off',
+    }
+  },
+  {
+    // Global ignores
+    ignores: [
+      'dist/**',
+      'dev-dist/**',
+      'node_modules/**',
+      'public/**',
+      'scripts/pack_crx.js',
+      'src/app.config.mjs'
+    ]
+  }
+]