Examine source code of Study Signal

{
  "manifest_version": 3,
  "name": "Study Signal",
  "description": "Get alerts, highlight better-paying studies, convert rewards, and track activity across supported study sites.",
  "version": "1.8.9",
  "short_name": "Study Signal",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "64": "icon-64.png",
    "128": "icon-128.png"
  },
  "host_permissions": [
    "https://app.prolific.com/*",
    "https://connect.cloudresearch.com/*",
    "https://internal-api.prolific.com/api/v1*",
    "https://connect.cloudresearch.com/participant-api*",
    "https://api.telegram.org/*"
  ],
  "permissions": [
    "storage",
    "notifications",
    "tabs",
    "webRequest",
    "idle",
    "offscreen"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@chantu-survey-enhancer",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Study Signal",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://app.prolific.com/*",
        "*://connect.cloudresearch.com/*"
      ],
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}