Examine source code of Steam Appraiser

{
  "manifest_version": 3,
  "name": "Steam Appraiser",
  "version": "1.3.9",
  "description": "Professional price evaluation for Steam games and wishlists based on age, reviews, and market value",
  "browser_specific_settings": {
    "gecko": {
      "id": "steam-appraiser@mrgrey.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "host_permissions": [
    "https://store.steampowered.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://store.steampowered.com/*"
      ],
      "js": [
        "core.js",
        "core-calculation.js",
        "core-grading.js",
        "fair-price-theming.js",
        "fair-price-unified.js",
        "fair-price-unified-frame.js",
        "core-display.js",
        "fair-price-modals.js",
        "steam-selector-detector.js",
        "core-scraping.js",
        "scrap-app.js",
        "scrap-hover.js",
        "scrap-categoryrow.js",
        "scrap-wishlist.js",
        "core-orchestrator.js",
        "popup.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png",
      "64": "icon64.png",
      "128": "icon128.png"
    },
    "default_title": "Steam Appraiser"
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "64": "icon64.png",
    "128": "icon128.png"
  }
}