Examine source code of DDDD OCR Extension

{
  "manifest_version": 2,
  "name": "DDDD OCR Extension",
  "version": "1.1.6",
  "description": "完全离线的验证码识别工具，支持自动检测并填充验证码",
  "default_locale": "zh_CN",
  "author": "MakotoArai",
  "homepage_url": "https://github.com/MakotoArai-CN/ddddocr-webjs",
  "icons": {
    "16": "icons/icon48.png",
    "48": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon48.png",
      "48": "icons/icon64.png",
      "128": "icons/icon128.png"
    },
    "default_title": "DDDD OCR"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "common.onnx",
    "charsets.json",
    "icons/*",
    "ort-wasm-simd.wasm",
    "ort-wasm.wasm",
    "ort-wasm-threaded.wasm",
    "ort-wasm-simd-threaded.wasm",
    "ort.min.js"
  ],
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';",
  "browser_specific_settings": {
    "gecko": {
      "id": "ddddocr-webjs@makotoarai",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}