Examine source code of DMCoPilot

{
  "manifest_version": 3,
  "name": "DMCoPilot",
  "version": "1.0.2",
  "description": "AI copilot for LinkedIn. Personalized DMs, smart comments, and posts in your voice",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "webNavigation",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://www.linkedin.com/*",
    "https://linkedin.com/*",
    "https://*.linkedin.com/*",
    "https://dmcopilot.unfairadvantage.ltd/*",
    "https://eu.i.posthog.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "dmcopilot@unfairadvantage.ltd",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "service-worker.js"
    ],
    "type": "module"
  },
  "sidebar_action": {
    "default_title": "DMCoPilot",
    "default_panel": "src/sidepanel/index.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    },
    "open_at_install": false
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Open DMCoPilot",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/*",
        "https://linkedin.com/*",
        "https://*.linkedin.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.linkedin.com/*",
        "https://linkedin.com/*",
        "https://*.linkedin.com/*"
      ],
      "js": [
        "content-main-bridge.js"
      ],
      "run_at": "document_idle",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://dmcopilot.unfairadvantage.ltd/*"
      ],
      "js": [
        "auth-callback.js"
      ],
      "run_at": "document_start"
    }
  ]
}