Examine source code of Poligraph Companion

{
  "manifest_version": 3,
  "name": "Poligraph Companion",
  "version": "0.8.1",
  "description": "Fiches simplifiées des politiciens français : mandats, affaires judiciaires, fact-checks. Données Poligraph.fr, avec cache hors ligne.",
  "browser_specific_settings": {
    "gecko": {
      "id": "poligraph-companion@example.org",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "service_worker": "background/background.js",
    "type": "module"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Poligraph Companion"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "alarms",
    "contextMenus",
    "declarativeNetRequestWithHostAccess"
  ],
  "optional_host_permissions": [
    "https://*/*",
    "http://localhost/*",
    "http://127.0.0.1/*"
  ],
  "host_permissions": [
    "https://poligraph.fr/*",
    "https://www.wikidata.org/*",
    "https://*.data.gouv.fr/*",
    "https://api-lannuaire.service-public.fr/*",
    "https://www.nosdeputes.fr/*",
    "https://www.nossenateurs.fr/*",
    "https://fr.wikipedia.org/*",
    "https://www.hatvp.fr/*",
    "https://data.senat.fr/*",
    "https://www.assemblee-nationale.fr/*",
    "https://www.senat.fr/*"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/detect.js"
      ],
      "css": [
        "content/detect.css"
      ],
      "run_at": "document_idle"
    }
  ]
}