Examine source code of +EV Toolbox

{
  "manifest_version": 3,
  "name": "+EV Toolbox",
  "version": "8.2.1",
  "description": "Advanced betting analysis tools: +EV filters, parlay calculator, and AutoSGP odds recorder",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "tabGroups",
    "declarativeNetRequest",
    "notifications"
  ],
  "host_permissions": [
    "https://picktheodds.app/*",
    "https://crazyninjaodds.com/*",
    "https://www.crazyninjaodds.com/*",
    "https://api.crazyninjaodds.com/*",
    "https://sportsbook.fanduel.com/*",
    "https://*.sportsbook.fanduel.com/*",
    "https://sportsbook.draftkings.com/*",
    "https://*.draftkings.com/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://picktheodds.app/en/expectedvalue*",
        "https://picktheodds.app/en/arbitrages*",
        "https://picktheodds.app/en/lowhold*",
        "https://picktheodds.app/en/freebet*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://crazyninjaodds.com/site/tools/positive-ev*",
        "https://www.crazyninjaodds.com/site/tools/positive-ev*",
        "https://crazyninjaodds.com/site/tools/free-bet-converter*",
        "https://www.crazyninjaodds.com/site/tools/free-bet-converter*",
        "https://crazyninjaodds.com/site/tools/arbitrage*",
        "https://www.crazyninjaodds.com/site/tools/arbitrage*",
        "https://crazyninjaodds.com/site/tools/low-hold*",
        "https://www.crazyninjaodds.com/site/tools/low-hold*",
        "https://crazyninjaodds.com/site/tools/odds-boost*",
        "https://www.crazyninjaodds.com/site/tools/odds-boost*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://sportsbook.fanduel.com/*",
        "https://*.sportsbook.fanduel.com/*",
        "https://sportsbook.draftkings.com/*",
        "https://*.draftkings.com/*"
      ],
      "js": [
        "autosgp.js"
      ],
      "css": [
        "autosgp.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ev-toolbox@picktheodds.app",
      "strict_min_version": "128.0"
    }
  }
}