Examine source code of ViewGraph Capture

{
  "manifest_version": 2,
  "name": "ViewGraph Capture",
  "description": "Capture DOM structure, screenshots, and annotations for AI-powered UI analysis",
  "version": "0.9.2",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting",
    "alarms",
    "<all_urls>"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "commands": {
    "panic-capture": {
      "suggested_key": {
        "default": "Ctrl+Shift+V",
        "mac": "Command+Shift+V"
      },
      "description": "Instant snapshot - capture DOM + screenshot mid-action"
    }
  },
  "web_accessible_resources": [
    "icon-16.png",
    "icon-48.png",
    "axe.min.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "viewgraph@chaoslabz.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": false,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}