Examine source code of SubContext - Subtitle Translator

{
  "manifest_version": 3,
  "name": "SubContext - Subtitle Translator",
  "version": "1.2.0",
  "description": "Context-aware subtitle translation for Netflix, Disney+, Prime Video and more. Translate subtitles with AI-powered accuracy.",
  "browser_specific_settings": {
    "gecko": {
      "id": "subcontext@subcontext.xyz",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "webNavigation"
  ],
  "host_permissions": [
    "https://www.netflix.com/*",
    "https://www.disneyplus.com/*",
    "https://www.primevideo.com/*",
    "https://www.amazon.com/gp/video/*",
    "https://www.hbomax.com/*",
    "https://www.max.com/*",
    "https://www.hulu.com/*",
    "https://www.youtube.com/*",
    "https://*.lookmovie.io/*",
    "https://*.lookmovie2.to/*",
    "https://*.0123movie.net/*",
    "https://www.subcontext.xyz/*",
    "https://api.themoviedb.org/*",
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "SubContext"
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "lib/browser-polyfill.min.js",
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.netflix.com/*",
        "https://www.disneyplus.com/*",
        "https://www.primevideo.com/*",
        "https://www.amazon.com/gp/video/*",
        "https://www.hbomax.com/*",
        "https://www.max.com/*",
        "https://www.hulu.com/*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "lib/browser-polyfill.min.js",
        "content/inject-early.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/browser-polyfill.min.js",
        "content/parsers.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*",
        "lib/*",
        "content/interceptor.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}