Examine source code of Sidekick Social

{
  "manifest_version": 2,
  "name": "Sidekick Social",
  "description": "Context layer: instant AI summaries, clean-link share, privacy & quiet mode on every site.",
  "version": "0.1.0",
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_title": "Sidekick Social",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sidekick@local",
      "strict_min_version": "102.0"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self';"
}