Examine source code of Squadrats Route Planning

{
  "name": "Squadrats Route Planning",
  "description": "Add thrill to your cycling route planning by hunting squadrats. Use Strava, Garmin, RideWithGPS, and other planners.",
  "version": "2026.33",
  "manifest_version": 3,
  "icons": {
    "16": "assets/icons/16.png",
    "32": "assets/icons/32.png",
    "48": "assets/icons/48.png",
    "64": "assets/icons/64.png",
    "128": "assets/icons/128.png"
  },
  "content_scripts": [
    {
      "js": [
        "planners/strava-interceptor.js"
      ],
      "matches": [
        "https://*.strava.com/*"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "js": [
        "squadratsCaller.js"
      ],
      "matches": [
        "https://*.strava.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "squadratsCaller.js"
      ],
      "matches": [
        "https://*.squadrats.com/*",
        "*://*.brouter.de/*",
        "*://*.bikerouter.de/*",
        "*://*.brouter.m11n.de/*",
        "https://*.ridewithgps.com/*",
        "https://*.connect.garmin.com/*",
        "*://*.komoot.com/*",
        "*://*.komoot.de/*",
        "*://*.komoot.es/*",
        "*://*.komoot.it/*",
        "*://*.komoot.fr/*",
        "*://*.komoot.nl/*",
        "*://*.hammerhead.io/*",
        "*://*.veloplanner.com/*",
        "*://*.mapy.com/*",
        "*://*.gpx.studio/*",
        "*://*.naviki.org/*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "action": {
    "default_icon": {
      "16": "assets/icons/16.png",
      "32": "assets/icons/32.png",
      "48": "assets/icons/48.png",
      "64": "assets/icons/64.png",
      "128": "assets/icons/128.png"
    },
    "default_title": "Squadrats",
    "default_popup": "popup/popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "manifest.json",
        "config/config.js",
        "squadrats.js",
        "squadratsPolylines.js",
        "squadratsStyles.js",
        "engines/leaflet.js",
        "engines/mapbox.js",
        "planners/strava.js",
        "planners/strava-wasm.js",
        "planners/strava-mapbox.js",
        "planners/strava-maplibre.js",
        "planners/komoot.js",
        "planners/garmin.js",
        "planners/brouter.js",
        "planners/hammerhead.js",
        "planners/ridewithgps.js",
        "planners/veloplanner.js",
        "planners/mapy.js",
        "planners/gpx-studio.js",
        "planners/naviki.js",
        "assets/fonts/DMSans-Regular-English-Umlaut.woff2",
        "assets/fonts/DMSans-Medium-English-Umlaut.woff2",
        "assets/squadrats-logotype.svg",
        "assets/Q.svg",
        "assets/check-green.svg",
        "assets/shutdown.svg",
        "assets/random-squares.svg",
        "assets/planners/planner-bikerouter.svg",
        "assets/planners/planner-brouter.svg",
        "assets/planners/planner-garmin.svg",
        "assets/planners/planner-hammerhead.svg",
        "assets/planners/planner-komoot.svg",
        "assets/planners/planner-mapy.svg",
        "assets/planners/planner-ridewithgps.svg",
        "assets/planners/planner-veloplanner.svg",
        "assets/planners/planner-gpx-studio.svg",
        "assets/planners/planner-strava.svg",
        "assets/planners/planner-naviki.svg",
        "popup/popup.js"
      ],
      "matches": [
        "https://*.squadrats.com/*",
        "https://*.strava.com/*",
        "*://*.brouter.de/*",
        "*://*.bikerouter.de/*",
        "*://*.brouter.m11n.de/*",
        "https://*.ridewithgps.com/*",
        "https://*.connect.garmin.com/*",
        "*://*.komoot.com/*",
        "*://*.komoot.de/*",
        "*://*.komoot.es/*",
        "*://*.komoot.it/*",
        "*://*.komoot.fr/*",
        "*://*.komoot.nl/*",
        "*://*.hammerhead.io/*",
        "*://*.veloplanner.com/*",
        "*://*.mapy.com/*",
        "*://*.gpx.studio/*",
        "*://*.naviki.org/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "firefox@squadrats.com",
      "strict_min_version": "109.0"
    }
  }
}