Examine source code of ElementFlow

{
  "manifest_version": 3,
  "name": "ElementFlow",
  "version": "0.1.3",
  "description": "Pick elements on any site, export a CSV template, fill it, re-upload, and auto-populate the page. Keeps a history of runs.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "elementflow@octopusrage.dev",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "toggle-pick": {
      "suggested_key": {
        "default": "Alt+Shift+P"
      },
      "description": "Toggle element pick mode on the current page (works without losing page focus)"
    }
  },
  "sidebar_action": {
    "default_title": "ElementFlow",
    "default_panel": "sidepanel/sidepanel.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ]
}