Examine source code of BasketBot Companion

{
  "manifest_version": 3,
  "name": "BasketBot Companion",
  "version": "1.4.1",
  "description": "Automatically add BasketBot items to retailer carts and capture receipts for price guarantee.",
  "permissions": [
    "storage",
    "scripting",
    "notifications"
  ],
  "host_permissions": [
    "https://www.walmart.com/*",
    "https://grocery.walmart.com/*",
    "https://www.samsclub.com/*",
    "https://www.kroger.com/*",
    "https://www.ralphs.com/*",
    "https://www.fredmeyer.com/*",
    "https://www.kingsoopers.com/*",
    "https://www.harristeeter.com/*",
    "https://www.qfc.com/*",
    "https://www.foodsco.net/*",
    "https://www.food4less.com/*",
    "https://www.dillons.com/*",
    "https://www.smithsfoodanddrug.com/*",
    "https://www.frys.com/*",
    "https://www.marianos.com/*",
    "https://www.picknsave.com/*",
    "https://www.target.com/*",
    "https://carts.target.com/*",
    "https://www.costco.com/*",
    "https://www.meijer.com/*",
    "https://www.heb.com/*",
    "https://www.centralmarket.com/*",
    "https://www.safeway.com/*",
    "https://www.albertsons.com/*",
    "https://www.vons.com/*",
    "https://www.jewel-osco.com/*",
    "https://www.acmemarkets.com/*",
    "https://www.shaws.com/*",
    "https://www.starmarket.com/*",
    "https://www.randalls.com/*",
    "https://www.tomthumb.com/*",
    "https://www.pavilions.com/*",
    "https://delivery.publix.com/*",
    "https://www.publix.com/*",
    "https://shop.winndixie.com/*",
    "https://www.winndixie.com/*",
    "https://www.sedanos.com/*",
    "https://www.aldi.us/*",
    "https://www.traderjoes.com/*",
    "https://www.wholefoodsmarket.com/*",
    "https://www.amazon.com/*",
    "https://www.instacart.com/*",
    "https://www.doordash.com/*",
    "https://www.ubereats.com/*",
    "https://www.shipt.com/*",
    "https://www.dollartree.com/*",
    "https://www.dollargeneral.com/*",
    "https://www.familydollar.com/*",
    "https://www.foodlion.com/*",
    "https://www.giantfood.com/*",
    "https://www.stopandshop.com/*",
    "https://www.hannaford.com/*",
    "https://www.wegmans.com/*",
    "https://www.hy-vee.com/*",
    "https://www.sprouts.com/*",
    "https://shop.sprouts.com/*",
    "https://www.hmart.com/*",
    "https://www.smartandfinal.com/*",
    "https://www.raleys.com/*",
    "https://www.nuggetmarkets.com/*",
    "https://www.savemart.com/*",
    "https://www.luckysupermarkets.com/*",
    "https://www.foodmaxx.com/*",
    "https://www.groceryoutlet.com/*",
    "https://www.savealot.com/*",
    "https://www.pigglywiggly.com/*",
    "https://www.cardenas.com/*",
    "https://www.vallartasupermarkets.com/*",
    "https://www.elsuper.com/*",
    "https://www.northgatemarket.com/*",
    "https://www.fiestamart.com/*",
    "https://www.superiorgrocers.com/*",
    "https://www.bravosupermarkets.com/*",
    "https://www.99ranch.com/*",
    "https://www.stater.com/*",
    "https://www.gelsons.com/*",
    "https://www.bristolfarms.com/*",
    "https://www.erewhonmarket.com/*",
    "https://www.bashas.com/*",
    "https://www.ingles-markets.com/*",
    "https://www.familyfare.com/*",
    "https://www.bjs.com/*",
    "https://www.shoprite.com/*",
    "https://www.pricechopper.com/*",
    "https://www.marketbasket.com/*",
    "https://www.winco.com/*",
    "https://www.lidl.com/*",
    "https://www.iga.com/*",
    "https://www.freshdirect.com/*",
    "https://www.boxed.com/*",
    "https://www.thrive.market/*",
    "https://www.vitacost.com/*",
    "https://www.iherb.com/*"
  ],
  "externally_connectable": {
    "matches": [
      "https://basketbot.ai/*",
      "https://www.basketbot.ai/*",
      "https://staging.basketbot.ai/*",
      "http://localhost:3000/*",
      "http://localhost:5173/*"
    ]
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "companion@basketbot.ai",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "BasketBot Companion",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.walmart.com/*",
        "https://grocery.walmart.com/*",
        "https://www.samsclub.com/*",
        "https://www.kroger.com/*",
        "https://www.ralphs.com/*",
        "https://www.fredmeyer.com/*",
        "https://www.kingsoopers.com/*",
        "https://www.harristeeter.com/*",
        "https://www.qfc.com/*",
        "https://www.foodsco.net/*",
        "https://www.food4less.com/*",
        "https://www.dillons.com/*",
        "https://www.smithsfoodanddrug.com/*",
        "https://www.frys.com/*",
        "https://www.marianos.com/*",
        "https://www.picknsave.com/*",
        "https://www.target.com/*",
        "https://www.costco.com/*",
        "https://www.meijer.com/*",
        "https://www.heb.com/*",
        "https://www.centralmarket.com/*",
        "https://www.safeway.com/*",
        "https://www.albertsons.com/*",
        "https://www.vons.com/*",
        "https://www.jewel-osco.com/*",
        "https://www.acmemarkets.com/*",
        "https://www.shaws.com/*",
        "https://www.starmarket.com/*",
        "https://www.randalls.com/*",
        "https://www.tomthumb.com/*",
        "https://www.pavilions.com/*",
        "https://delivery.publix.com/*",
        "https://www.publix.com/*",
        "https://shop.winndixie.com/*",
        "https://www.winndixie.com/*",
        "https://www.sedanos.com/*",
        "https://www.aldi.us/*",
        "https://www.traderjoes.com/*",
        "https://www.wholefoodsmarket.com/*",
        "https://www.amazon.com/*",
        "https://www.instacart.com/*",
        "https://www.doordash.com/*",
        "https://www.ubereats.com/*",
        "https://www.shipt.com/*",
        "https://www.dollartree.com/*",
        "https://www.dollargeneral.com/*",
        "https://www.familydollar.com/*",
        "https://www.foodlion.com/*",
        "https://www.giantfood.com/*",
        "https://www.stopandshop.com/*",
        "https://www.hannaford.com/*",
        "https://www.wegmans.com/*",
        "https://www.hy-vee.com/*",
        "https://www.sprouts.com/*",
        "https://shop.sprouts.com/*",
        "https://www.hmart.com/*",
        "https://www.smartandfinal.com/*",
        "https://www.raleys.com/*",
        "https://www.nuggetmarkets.com/*",
        "https://www.savemart.com/*",
        "https://www.luckysupermarkets.com/*",
        "https://www.foodmaxx.com/*",
        "https://www.groceryoutlet.com/*",
        "https://www.savealot.com/*",
        "https://www.pigglywiggly.com/*",
        "https://www.cardenas.com/*",
        "https://www.vallartasupermarkets.com/*",
        "https://www.elsuper.com/*",
        "https://www.northgatemarket.com/*",
        "https://www.fiestamart.com/*",
        "https://www.superiorgrocers.com/*",
        "https://www.bravosupermarkets.com/*",
        "https://www.99ranch.com/*",
        "https://www.stater.com/*",
        "https://www.gelsons.com/*",
        "https://www.bristolfarms.com/*",
        "https://www.erewhonmarket.com/*",
        "https://www.bashas.com/*",
        "https://www.ingles-markets.com/*",
        "https://www.familyfare.com/*",
        "https://www.bjs.com/*",
        "https://www.shoprite.com/*",
        "https://www.pricechopper.com/*",
        "https://www.marketbasket.com/*",
        "https://www.winco.com/*",
        "https://www.lidl.com/*",
        "https://www.iga.com/*",
        "https://www.freshdirect.com/*",
        "https://www.boxed.com/*",
        "https://www.thrive.market/*",
        "https://www.vitacost.com/*",
        "https://www.iherb.com/*"
      ],
      "js": [
        "content/shared.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}