fix: revert to old screenshot tool, remove sharp dep

Author: Kylejeong2

package.json

@@ -51,7 +51,6 @@
     "@modelcontextprotocol/sdk": "^1.13.1",
     "commander": "^14.0.0",
     "dotenv": "^16.4.6",
-    "sharp": "^0.33.0",
     "zod": "^3.25.67"
   },
   "devDependencies": {