Examine source code of Gyamerz Analysis

{
  "manifest_version": 3,
  "name": "Chess Analysis Overlay",
  "version": "1.0.0",
  "description": "Manual move legality previews and variation testing for Chess.com without using any chess engine.",
  "author": "Chess Analysis Extension",
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "*://*.chess.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.chess.com/*"
      ],
      "js": [
        "modules/chessRules.js",
        "modules/boardParser.js",
        "modules/tactics.js",
        "modules/overlayUI.js",
        "modules/dragSystem.js",
        "contentScript.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "commands": {
    "toggle-extension": {
      "suggested_key": {
        "default": "Alt+Shift+C",
        "mac": "Alt+Shift+C"
      },
      "description": "Toggle the chess analysis overlay"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "styles.css",
        "pieces/alpha/*.png"
      ],
      "matches": [
        "*://*.chess.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "analysis-sandbox@yourdomain.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}