Examine source code of CAI Tools Legacy

{
  "manifest_version": 2,
  "name": "CAI Tools Legacy",
  "description": "Extra features for Character.AI. Background, Font and Memory Manager, chat/character cloning, import/export characters, save chats!",
  "version": "2.4.5",
  "icons": {
    "128": "/logo128.png"
  },
  "permissions": [
    "https://characterai.io/*",
    "https://*.character.ai/*",
    "https://www.patreon.com/*",
    "https://*.caitools.info/*"
  ],
  "background": {
    "scripts": [
      "/scripts/background.js"
    ]
  },
  "web_accessible_resources": [
    "/assets/*",
    "/style/*",
    "/scripts/intercept.js",
    "/ReadOffline.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.character.ai/*"
      ],
      "js": [
        "/scripts/sha3.js",
        "/scripts/crc32.min.js",
        "/scripts/jszip.min.js",
        "/scripts/content.js"
      ],
      "css": [
        "/style/main.css"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ece8c031-8bef-41e4-be94-edabb2339bda}"
    }
  }
}