Examine source code of ImageSEO Inspector

{
  "manifest_version": 3,
  "name": "ImageSEO Inspector",
  "version": "1.0.0",
  "description": "Audit image SEO, alt text, accessibility and technical image issues directly on any webpage. Local-first, developer-focused.",
  "browser_specific_settings": {
    "gecko": {
      "id": "imageseo-inspector@qurexo.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "contextMenus",
    "tabs",
    "downloads"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background/service-worker-bundled.js"
    ]
  },
  "action": {
    "default_title": "ImageSEO Inspector",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "sidebar_action": {
    "default_panel": "src/sidepanel/sidepanel.html",
    "default_title": "ImageSEO Inspector",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "commands": {
    "scan-page": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description": "Scan current page"
    },
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Alt+Shift+I"
      }
    }
  }
}