feat: modernize UI with Astro+Svelte and optimize Docker build

- Migrated frontend to Astro + Svelte 5 for cyberpunk aesthetic
- Switched to Bun for faster frontend builds
- Implemented multi-stage Docker build for smaller image size
- Refactored backend to serve static assets and proxy API requests
- Added recovery mode for manual file management

browser-extension/browser-extension-0.4.2/.eslintrc.js

@@ -0,0 +1,24 @@
+'use strict';
+module.exports = {
+  extends: ['eslint:recommended', 'eslint-config-prettier'],
+  parserOptions: {
+    ecmaVersion: 2020,
+  },
+  env: {
+    browser: true,
+    es6: true,
+  },
+  globals: {
+    browser: 'readonly',
+    chrome: 'readonly',
+  },
+  rules: {
+    strict: ['error', 'global'],
+    'no-unused-vars': ['error', { vars: 'local' }],
+    eqeqeq: ['error', 'always', { null: 'ignore' }],
+    curly: ['error', 'multi-line'],
+    'no-var': 'error',
+    'no-func-assign': 'off',
+    'no-inner-declarations': 'off',
+  },
+};