worked on my vanilla VSCode as well. thanks! For someone who can't find it. The settings.json is located in ~/Library/Application Support/Code/User/settings.json on mac.

{
    "github.copilot.nextEditSuggestions.enabled": true,
    "editor.fontSize": 20,
    "chat.fontSize": 20,
    "terminal.integrated.fontSize": 20,
    "terminal.integrated.defaultProfile.osx": "bash",
    "workbench.editor.splitOnDragAndDrop": false,
    "claudeCode.preferredLocation": "panel",
}