Examine source code of Ghostory

{
  "manifest_version": 3,
  "name": "Ghostory",
  "version": "1.0.1",
  "description": "View Instagram stories anonymously — blocks seen telemetry without breaking playback",
  "browser_specific_settings": {
    "gecko": {
      "id": "instar-vision@extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.instagram.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "src/intercept.js"
      ],
      "run_at": "document_start",
      "world": "MAIN",
      "all_frames": true
    },
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "src/bridge.js"
      ],
      "run_at": "document_start",
      "world": "ISOLATED",
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "action": {
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}