Examine source code of AmazaSpend

{
  "manifest_version": 3,
  "name": "AmazaSpend",
  "version": "1.0.3",
  "description": "Automatic Amazon spend tracking",
  "browser_specific_settings": {
    "gecko": {
      "id": "amazaspend@amazaspend.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "financialAndPaymentInfo",
          "personallyIdentifyingInfo"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "identity",
    "alarms",
    "notifications"
  ],
  "host_permissions": [
    "https://www.amazon.ca/*",
    "https://www.amazon.com/*",
    "https://www.amazon.co.uk/*",
    "https://xpthxelmpcrilogrwdxl.supabase.co/*",
    "https://api.amazaspend.com/*"
  ],
  "background": {
    "service_worker": "background/service-worker.js",
    "scripts": [
      "background/service-worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.amazon.ca/*",
        "https://www.amazon.com/*",
        "https://www.amazon.co.uk/*"
      ],
      "js": [
        "content/amazon-guard.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.amazon.ca/gp/your-account/order-details*",
        "https://www.amazon.ca/gp/css/order-details*",
        "https://www.amazon.ca/your-orders/order-details*",
        "https://www.amazon.com/gp/your-account/order-details*",
        "https://www.amazon.com/gp/css/order-details*",
        "https://www.amazon.com/your-orders/order-details*",
        "https://www.amazon.co.uk/gp/your-account/order-details*",
        "https://www.amazon.co.uk/gp/css/order-details*",
        "https://www.amazon.co.uk/your-orders/order-details*"
      ],
      "js": [
        "content/content.js"
      ]
    },
    {
      "matches": [
        "https://www.amazon.ca/your-orders/orders*",
        "https://www.amazon.ca/gp/your-account/order-history*",
        "https://www.amazon.ca/gp/css/order-history*",
        "https://www.amazon.com/your-orders/orders*",
        "https://www.amazon.com/gp/your-account/order-history*",
        "https://www.amazon.com/gp/css/order-history*",
        "https://www.amazon.co.uk/your-orders/orders*",
        "https://www.amazon.co.uk/gp/your-account/order-history*",
        "https://www.amazon.co.uk/gp/css/order-history*"
      ],
      "js": [
        "content/order-list.js"
      ]
    },
    {
      "matches": [
        "https://www.amazon.ca/spr/returns/*",
        "https://www.amazon.ca/gp/css/returns/*",
        "https://www.amazon.ca/gp/your-account/returns/*",
        "https://www.amazon.ca/your-orders/returns/*",
        "https://www.amazon.ca/returns/*",
        "https://www.amazon.com/spr/returns/*",
        "https://www.amazon.com/gp/css/returns/*",
        "https://www.amazon.com/gp/your-account/returns/*",
        "https://www.amazon.com/your-orders/returns/*",
        "https://www.amazon.com/returns/*",
        "https://www.amazon.co.uk/spr/returns/*",
        "https://www.amazon.co.uk/gp/css/returns/*",
        "https://www.amazon.co.uk/gp/your-account/returns/*",
        "https://www.amazon.co.uk/your-orders/returns/*",
        "https://www.amazon.co.uk/returns/*"
      ],
      "js": [
        "content/returns.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/AmazaSpend_Logo_16x16.png",
    "48": "icons/AmazaSpend_Logo_48x48.png",
    "128": "icons/AmazaSpend_Logo_128x128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/AmazaSpend_Logo_16x16.png",
      "48": "icons/AmazaSpend_Logo_48x48.png",
      "128": "icons/AmazaSpend_Logo_128x128.png"
    }
  }
}