Examine source code of RaiderBuddy

{
  "manifest_version": 3,
  "name": "RaiderBuddy",
  "version": "1.0.0",
  "description": "Offical RaiderBuddy extension for securely handling OAuth redirect flows",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@raiderbuddy.com",
      "strict_min_version": "113.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "homepage_url": "https://raiderbuddy.com",
  "developer": {
    "name": "RaiderBuddy",
    "url": "https://raiderbuddy.com"
  },
  "icons": {
    "16": "icons/logo16x16.png",
    "32": "icons/logo32x32.png",
    "48": "icons/logo48x48.png",
    "128": "icons/logo128x128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "https://id.embark.games/*",
    "https://*.raiderbuddy.com/*",
    "http://127.0.0.1:49171/*"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "oauth_redirect_rules",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.raiderbuddy.com/*",
        "http://localhost/*",
        "http://localhost:3000/*",
        "http://localhost:5173/*",
        "http://localhost:5174/*",
        "http://localhost:8080/*",
        "http://127.0.0.1/*",
        "http://127.0.0.1:3000/*",
        "http://127.0.0.1:5173/*",
        "http://127.0.0.1:5174/*",
        "http://127.0.0.1:8080/*",
        "http://127.0.0.1:49171/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://id.embark.games/api/auth/login*"
      ],
      "js": [
        "embark-login.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "https://id.embark.games/*"
      ],
      "js": [
        "embark-content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/logo16x16.png",
      "32": "icons/logo32x32.png",
      "48": "icons/logo48x48.png"
    }
  }
}