[
    // Map the physical 'CapsLock' key to act as the 'Escape' key
    {
        "key": "capslock",
        "command": "workbench.action.terminal.sendSequence",
        "args": {
            "text": "\u001b" // ASCII code for Escape
        },
        // Optional: you can restrict this to the terminal or use no 'when' condition
        // "when": "terminalFocus" 
    },
    {
        "key": "capslock",
        "command": "workbench.action.closeMessages",
        "when": "notificationVisible"
    },
    {
        "key": "capslock",
        "command": "closeCommandCenter",
        "when": "commandCenterVisible"
    },
    // The most important one: to exit common modes/menus/widgets
    {
        "key": "capslock",
        "command": "workbench.action.closeAllGroups",
        "when": "editorFocus"
    },
    {
        "key": "capslock",
        "command": "workbench.action.closeActiveEditor",
        "when": "editorFocus"
    },
    {
        "key": "capslock",
        "command": "workbench.action.closePanel",
        "when": "panelFocus"
    }
    // ... you may need to map it to several common "escape" actions
]