Examine source code of Nexus-OS Power Tools

{
  "manifest_version": 2,
  "name": "Nexus-OS Power Tools",
  "version": "1.0.0",
  "description": "Interactive power-user features for the Nexus-OS workstation: Universal Image Inspect (hover-zoom + Ctrl+Click expand) and Ghost Tab Mode (blur tab strip to hide sensitive titles).",
  "author": "Nexus-OS Project",
  "browser_specific_settings": {
    "gecko": {
      "id": "nexus-os-power-tools@nexusos.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.svg",
    "32": "icons/icon-32.svg",
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg"
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.svg",
      "32": "icons/icon-32.svg"
    },
    "default_title": "Nexus Power Tools",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "content/styles.css"
      ],
      "js": [
        "content/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "content/styles.css",
    "icons/*.svg"
  ]
}