in src/components/chat-item/chat-prompt-input.ts [88:96]
initMaxLength: MAX_USER_INPUT(),
tabId: this.props.tabId,
children: [ this.promptTextInputCommand.render ],
onKeydown: this.handleInputKeydown,
onInput: () => this.updateAvailableCharactersIndicator(),
onFocus: () => {
this.render.addClass('input-has-focus');
this.handleInputFocus();
},