Refactor: decouple command palette actor from React (#5108)

* Convert commandBarMachine to standalone actor

* Switch all uses of CommandBarProvider pattern to use actor and selector snapshots directly

src/Router.tsx

@@ -31,7 +31,6 @@ import {
   settingsLoader,
   telemetryLoader,
 } from 'lib/routeLoaders'
-import { CommandBarProvider } from 'components/CommandBar/CommandBarProvider'
 import SettingsAuthProvider from 'components/SettingsAuthProvider'
 import LspProvider from 'components/LspProvider'
 import { KclContextProvider } from 'lang/KclProvider'
@@ -58,7 +57,6 @@ const router = createRouter([
     /* Make sure auth is the outermost provider or else we will have
      * inefficient re-renders, use the react profiler to see. */
     element: (
-      <CommandBarProvider>
       <RouteProvider>
         <SettingsAuthProvider>
           <LspProvider>
@@ -74,7 +72,6 @@ const router = createRouter([
           </LspProvider>
         </SettingsAuthProvider>
       </RouteProvider>
-      </CommandBarProvider>
     ),
     errorElement: <ErrorPage />,
     children: [

src/Toolbar.tsx

@@ -2,7 +2,6 @@ import { useRef, useMemo, memo, useCallback, useState } from 'react'
 import { isCursorInSketchCommandRange } from 'lang/util'
 import { engineCommandManager, kclManager } from 'lib/singletons'
 import { useModelingContext } from 'hooks/useModelingContext'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { useNetworkContext } from 'hooks/useNetworkContext'
 import { NetworkHealthState } from 'hooks/useNetworkStatus'
 import { ActionButton } from 'components/ActionButton'
@@ -22,13 +21,13 @@ import {
 } from 'lib/toolbar'
 import { isDesktop } from 'lib/isDesktop'
 import { openExternalBrowserIfDesktop } from 'lib/openWindow'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 export function Toolbar({
   className = '',
   ...props
 }: React.HTMLAttributes<HTMLElement>) {
   const { state, send, context } = useModelingContext()
-  const { commandBarSend } = useCommandsContext()
   const iconClassName =
     'group-disabled:text-chalkboard-50 !text-inherit dark:group-enabled:group-hover:!text-inherit'
   const bgClassName = '!bg-transparent'
@@ -71,10 +70,9 @@ export function Toolbar({
     () => ({
       modelingState: state,
       modelingSend: send,
-      commandBarSend,
       sketchPathId,
     }),
-    [state, send, commandBarSend, sketchPathId]
+    [state, send, commandBarActor.send, sketchPathId]
   )
 
   const tooltipContentClassName = !showRichContent

src/clientSideScene/ClientSideSceneComp.tsx

@@ -46,8 +46,8 @@ import {
 } from 'lang/modifyAst'
 import { ActionButton } from 'components/ActionButton'
 import { err, reportRejection, trap } from 'lib/trap'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { Node } from 'wasm-lib/kcl/bindings/Node'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 function useShouldHideScene(): { hideClient: boolean; hideServer: boolean } {
   const [isCamMoving, setIsCamMoving] = useState(false)
@@ -510,7 +510,6 @@ const ConstraintSymbol = ({
   constrainInfo: ConstrainInfo
   verticalPosition: 'top' | 'bottom'
 }) => {
-  const { commandBarSend } = useCommandsContext()
   const { context } = useModelingContext()
   const varNameMap: {
     [key in ConstrainInfo['type']]: {
@@ -630,7 +629,7 @@ const ConstraintSymbol = ({
         // disabled={implicitDesc} TODO why does this change styles that are hard to override?
         onClick={toSync(async () => {
           if (!isConstrained) {
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: {
                 name: 'Constrain with named value',
@@ -756,7 +755,6 @@ export const CamDebugSettings = () => {
     sceneInfra.camControls.reactCameraProperties
   )
   const [fov, setFov] = useState(12)
-  const { commandBarSend } = useCommandsContext()
 
   useEffect(() => {
     sceneInfra.camControls.setReactCameraPropertiesCallback(setCamSettings)
@@ -775,7 +773,7 @@ export const CamDebugSettings = () => {
         type="checkbox"
         checked={camSettings.type === 'perspective'}
         onChange={() =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: {
               groupId: 'settings',

src/clientSideScene/segments.ts

@@ -61,6 +61,7 @@ import { SegmentInputs } from 'lang/std/stdTypes'
 import { err } from 'lib/trap'
 import { editorManager, sceneInfra } from 'lib/singletons'
 import { Selections } from 'lib/selections'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 interface CreateSegmentArgs {
   input: SegmentInputs
@@ -847,7 +848,7 @@ function createLengthIndicator({
     })
 
     // Command Bar
-    editorManager.commandBarSend({
+    commandBarActor.send({
       type: 'Find and select command',
       data: {
         name: 'Constrain length',

src/components/CommandBar/CommandArgOptionInput.tsx

@@ -1,8 +1,8 @@
 import { Combobox } from '@headlessui/react'
 import { useSelector } from '@xstate/react'
 import Fuse from 'fuse.js'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { CommandArgument, CommandArgumentOption } from 'lib/commandTypes'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 import { useEffect, useMemo, useRef, useState } from 'react'
 import { AnyStateMachine, StateFrom } from 'xstate'
 
@@ -23,7 +23,7 @@ function CommandArgOptionInput({
   placeholder?: string
 }) {
   const actorContext = useSelector(arg.machineActor, contextSelector)
-  const { commandBarSend, commandBarState } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const resolvedOptions = useMemo(
     () =>
       typeof arg.options === 'function'
@@ -142,7 +142,7 @@ function CommandArgOptionInput({
             className="flex-grow px-2 py-1 border-b border-b-chalkboard-100 dark:border-b-chalkboard-80 !bg-transparent focus:outline-none"
             onKeyDown={(event) => {
               if (event.metaKey && event.key === 'k')
-                commandBarSend({ type: 'Close' })
+                commandBarActor.send({ type: 'Close' })
               if (event.key === 'Backspace' && !event.currentTarget.value) {
                 stepBack()
               }

src/components/CommandBar/CommandBar.tsx

@@ -1,6 +1,5 @@
 import { Dialog, Popover, Transition } from '@headlessui/react'
 import { Fragment, useEffect } from 'react'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import CommandBarArgument from './CommandBarArgument'
 import CommandComboBox from '../CommandComboBox'
 import CommandBarReview from './CommandBarReview'
@@ -8,12 +7,13 @@ import { useLocation } from 'react-router-dom'
 import useHotkeyWrapper from 'lib/hotkeyWrapper'
 import { CustomIcon } from 'components/CustomIcon'
 import Tooltip from 'components/Tooltip'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 
 export const COMMAND_PALETTE_HOTKEY = 'mod+k'
 
 export const CommandBar = () => {
   const { pathname } = useLocation()
-  const { commandBarState, commandBarSend } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const {
     context: { selectedCommand, currentArgument, commands },
   } = commandBarState
@@ -23,16 +23,16 @@ export const CommandBar = () => {
   // Close the command bar when navigating
   useEffect(() => {
     if (commandBarState.matches('Closed')) return
-    commandBarSend({ type: 'Close' })
+    commandBarActor.send({ type: 'Close' })
   }, [pathname])
 
   // Hook up keyboard shortcuts
   useHotkeyWrapper([COMMAND_PALETTE_HOTKEY], () => {
     if (commandBarState.context.commands.length === 0) return
     if (commandBarState.matches('Closed')) {
-      commandBarSend({ type: 'Open' })
+      commandBarActor.send({ type: 'Open' })
     } else {
-      commandBarSend({ type: 'Close' })
+      commandBarActor.send({ type: 'Close' })
     }
   })
 
@@ -52,14 +52,14 @@ export const CommandBar = () => {
           ...entries[entries.length - 1][1],
         }
 
-        commandBarSend({
+        commandBarActor.send({
           type: 'Edit argument',
           data: {
             arg: currentArg,
           },
         })
       } else {
-        commandBarSend({ type: 'Deselect command' })
+        commandBarActor.send({ type: 'Deselect command' })
       }
     } else {
       const entries = Object.entries(selectedCommand?.args || {})
@@ -68,9 +68,9 @@ export const CommandBar = () => {
       )
 
       if (index === 0) {
-        commandBarSend({ type: 'Deselect command' })
+        commandBarActor.send({ type: 'Deselect command' })
       } else {
-        commandBarSend({
+        commandBarActor.send({
           type: 'Change current argument',
           data: {
             arg: { name: entries[index - 1][0], ...entries[index - 1][1] },
@@ -85,14 +85,14 @@ export const CommandBar = () => {
       show={!commandBarState.matches('Closed') || false}
       afterLeave={() => {
         if (selectedCommand?.onCancel) selectedCommand.onCancel()
-        commandBarSend({ type: 'Clear' })
+        commandBarActor.send({ type: 'Clear' })
       }}
       as={Fragment}
     >
       <WrapperComponent
         open={!commandBarState.matches('Closed') || isSelectionArgument}
         onClose={() => {
-          commandBarSend({ type: 'Close' })
+          commandBarActor.send({ type: 'Close' })
         }}
         className={
           'fixed inset-0 z-50 overflow-y-auto pb-4 pt-1 ' +
@@ -122,7 +122,7 @@ export const CommandBar = () => {
               )
             )}
             <button
-              onClick={() => commandBarSend({ type: 'Close' })}
+              onClick={() => commandBarActor.send({ type: 'Close' })}
               className="group block !absolute left-auto right-full top-[-3px] m-2.5 p-0 border-none bg-transparent hover:bg-transparent"
             >
               <CustomIcon

src/components/CommandBar/CommandBarArgument.tsx

@@ -2,13 +2,13 @@ import CommandArgOptionInput from './CommandArgOptionInput'
 import CommandBarBasicInput from './CommandBarBasicInput'
 import CommandBarSelectionInput from './CommandBarSelectionInput'
 import { CommandArgument } from 'lib/commandTypes'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import CommandBarHeader from './CommandBarHeader'
 import CommandBarKclInput from './CommandBarKclInput'
 import CommandBarTextareaInput from './CommandBarTextareaInput'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 
 function CommandBarArgument({ stepBack }: { stepBack: () => void }) {
-  const { commandBarState, commandBarSend } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const {
     context: { currentArgument },
   } = commandBarState
@@ -16,7 +16,7 @@ function CommandBarArgument({ stepBack }: { stepBack: () => void }) {
   function onSubmit(data: unknown) {
     if (!currentArgument) return
 
-    commandBarSend({
+    commandBarActor.send({
       type: 'Submit argument',
       data: {
         [currentArgument.name]: data,

src/components/CommandBar/CommandBarBasicInput.tsx

@@ -1,5 +1,5 @@
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { CommandArgument } from 'lib/commandTypes'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 import { useEffect, useRef } from 'react'
 import { useHotkeys } from 'react-hotkeys-hook'
 
@@ -15,8 +15,8 @@ function CommandBarBasicInput({
   stepBack: () => void
   onSubmit: (event: unknown) => void
 }) {
-  const { commandBarSend, commandBarState } = useCommandsContext()
+  const commandBarState = useCommandBarState()
-  useHotkeys('mod + k, mod + /', () => commandBarSend({ type: 'Close' }))
+  useHotkeys('mod + k, mod + /', () => commandBarActor.send({ type: 'Close' }))
   const inputRef = useRef<HTMLInputElement>(null)
 
   useEffect(() => {

src/components/CommandBar/CommandBarHeader.tsx

@@ -1,4 +1,3 @@
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { CustomIcon } from '../CustomIcon'
 import React, { useState } from 'react'
 import { ActionButton } from '../ActionButton'
@@ -7,9 +6,10 @@ import { useHotkeys } from 'react-hotkeys-hook'
 import { KclCommandValue, KclExpressionWithVariable } from 'lib/commandTypes'
 import Tooltip from 'components/Tooltip'
 import { roundOff } from 'lib/utils'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 
 function CommandBarHeader({ children }: React.PropsWithChildren<{}>) {
-  const { commandBarState, commandBarSend } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const {
     context: { selectedCommand, currentArgument, argumentsToSubmit },
   } = commandBarState
@@ -49,7 +49,7 @@ function CommandBarHeader({ children }: React.PropsWithChildren<{}>) {
         ]
         const arg = selectedCommand?.args[argName]
         if (!argName || !arg) return
-        commandBarSend({
+        commandBarActor.send({
           type: 'Change current argument',
           data: { arg: { ...arg, name: argName } },
         })
@@ -100,7 +100,7 @@ function CommandBarHeader({ children }: React.PropsWithChildren<{}>) {
                     }
                     disabled={!isReviewing && currentArgument?.name === argName}
                     onClick={() => {
-                      commandBarSend({
+                      commandBarActor.send({
                         type: isReviewing
                           ? 'Edit argument'
                           : 'Change current argument',

src/components/CommandBar/CommandBarKclInput.tsx

@@ -7,7 +7,6 @@ import {
 } from '@codemirror/autocomplete'
 import { EditorView, keymap, ViewUpdate } from '@codemirror/view'
 import { CustomIcon } from 'components/CustomIcon'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { useSettingsAuthContext } from 'hooks/useSettingsAuthContext'
 import { CommandArgument, KclCommandValue } from 'lib/commandTypes'
 import { getSystemTheme } from 'lib/theme'
@@ -20,6 +19,7 @@ import styles from './CommandBarKclInput.module.css'
 import { createIdentifier, createVariableDeclaration } from 'lang/modifyAst'
 import { useCodeMirror } from 'components/ModelingSidebar/ModelingPanes/CodeEditor'
 import { useSelector } from '@xstate/react'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 
 const machineContextSelector = (snapshot?: {
   context: Record<string, unknown>
@@ -37,7 +37,7 @@ function CommandBarKclInput({
   stepBack: () => void
   onSubmit: (event: unknown) => void
 }) {
-  const { commandBarSend, commandBarState } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const previouslySetValue = commandBarState.context.argumentsToSubmit[
     arg.name
   ] as KclCommandValue | undefined
@@ -82,7 +82,7 @@ function CommandBarKclInput({
       false
   )
   const [canSubmit, setCanSubmit] = useState(true)
-  useHotkeys('mod + k, mod + /', () => commandBarSend({ type: 'Close' }))
+  useHotkeys('mod + k, mod + /', () => commandBarActor.send({ type: 'Close' }))
   const editorRef = useRef<HTMLDivElement>(null)
 
   const {

src/components/CommandBar/CommandBarProvider.tsx

@@ -1,43 +0,0 @@
-import { createActorContext } from '@xstate/react'
-import { editorManager } from 'lib/singletons'
-import { commandBarMachine } from 'machines/commandBarMachine'
-import { useEffect } from 'react'
-
-export const CommandsContext = createActorContext(
-  commandBarMachine.provide({
-    guards: {
-      'Command has no arguments': ({ context }) => {
-        return (
-          !context.selectedCommand?.args ||
-          Object.keys(context.selectedCommand?.args).length === 0
-        )
-      },
-      'All arguments are skippable': ({ context }) => {
-        return Object.values(context.selectedCommand!.args!).every(
-          (argConfig) => argConfig.skip
-        )
-      },
-    },
-  })
-)
-
-export const CommandBarProvider = ({
-  children,
-}: {
-  children: React.ReactNode
-}) => {
-  return (
-    <CommandsContext.Provider>
-      <CommandBarProviderInner>{children}</CommandBarProviderInner>
-    </CommandsContext.Provider>
-  )
-}
-function CommandBarProviderInner({ children }: { children: React.ReactNode }) {
-  const commandBarActor = CommandsContext.useActorRef()
-
-  useEffect(() => {
-    editorManager.setCommandBarSend(commandBarActor.send)
-  })
-
-  return children
-}

src/components/CommandBar/CommandBarReview.tsx

@@ -1,9 +1,9 @@
-import { useCommandsContext } from 'hooks/useCommandsContext'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 import CommandBarHeader from './CommandBarHeader'
 import { useHotkeys } from 'react-hotkeys-hook'
 
 function CommandBarReview({ stepBack }: { stepBack: () => void }) {
-  const { commandBarState, commandBarSend } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const {
     context: { argumentsToSubmit, selectedCommand },
   } = commandBarState
@@ -33,7 +33,7 @@ function CommandBarReview({ stepBack }: { stepBack: () => void }) {
           parseInt(b.keys[0], 10) - 1
         ]
         const arg = selectedCommand?.args[argName]
-        commandBarSend({
+        commandBarActor.send({
           type: 'Edit argument',
           data: { arg: { ...arg, name: argName } },
         })
@@ -50,7 +50,7 @@ function CommandBarReview({ stepBack }: { stepBack: () => void }) {
 
   function submitCommand(e: React.FormEvent<HTMLFormElement>) {
     e.preventDefault()
-    commandBarSend({
+    commandBarActor.send({
       type: 'Submit command',
       output: argumentsToSubmit,
     })

src/components/CommandBar/CommandBarSelectionInput.tsx

@@ -1,5 +1,4 @@
 import { useSelector } from '@xstate/react'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { Artifact } from 'lang/std/artifactGraph'
 import { CommandArgument } from 'lib/commandTypes'
 import {
@@ -10,6 +9,7 @@ import {
 import { kclManager } from 'lib/singletons'
 import { reportRejection } from 'lib/trap'
 import { toSync } from 'lib/utils'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 import { modelingMachine } from 'machines/modelingMachine'
 import { useEffect, useMemo, useRef, useState } from 'react'
 import { StateFrom } from 'xstate'
@@ -49,7 +49,7 @@ function CommandBarSelectionInput({
   onSubmit: (data: unknown) => void
 }) {
   const inputRef = useRef<HTMLInputElement>(null)
-  const { commandBarState, commandBarSend } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const [hasSubmitted, setHasSubmitted] = useState(false)
   const selection = useSelector(arg.machineActor, selectionSelector)
   const selectionsByType = useMemo(() => {
@@ -145,7 +145,7 @@ function CommandBarSelectionInput({
             if (event.key === 'Backspace') {
               stepBack()
             } else if (event.key === 'Escape') {
-              commandBarSend({ type: 'Close' })
+              commandBarActor.send({ type: 'Close' })
             }
           }}
           onChange={handleChange}

src/components/CommandBar/CommandBarTextareaInput.tsx

@@ -1,5 +1,5 @@
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { CommandArgument } from 'lib/commandTypes'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
 import { RefObject, useEffect, useRef } from 'react'
 import { useHotkeys } from 'react-hotkeys-hook'
 
@@ -15,8 +15,8 @@ function CommandBarTextareaInput({
   stepBack: () => void
   onSubmit: (event: unknown) => void
 }) {
-  const { commandBarSend, commandBarState } = useCommandsContext()
+  const commandBarState = useCommandBarState()
-  useHotkeys('mod + k, mod + /', () => commandBarSend({ type: 'Close' }))
+  useHotkeys('mod + k, mod + /', () => commandBarActor.send({ type: 'Close' }))
   const formRef = useRef<HTMLFormElement>(null)
   const inputRef = useRef<HTMLTextAreaElement>(null)
   useTextareaAutoGrow(inputRef)

src/components/CommandBarOpenButton.tsx

@@ -1,16 +1,15 @@
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import usePlatform from 'hooks/usePlatform'
 import { hotkeyDisplay } from 'lib/hotkeyWrapper'
 import { COMMAND_PALETTE_HOTKEY } from './CommandBar/CommandBar'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 export function CommandBarOpenButton() {
-  const { commandBarSend } = useCommandsContext()
   const platform = usePlatform()
 
   return (
     <button
       className="group rounded-full flex items-center justify-center gap-2 px-2 py-1 bg-primary/10 dark:bg-chalkboard-90 dark:backdrop-blur-sm border-primary hover:border-primary dark:border-chalkboard-50 dark:hover:border-inherit text-primary dark:text-inherit"
-      onClick={() => commandBarSend({ type: 'Open' })}
+      onClick={() => commandBarActor.send({ type: 'Open' })}
       data-testid="command-bar-open-button"
     >
       <span>Commands</span>

src/components/CommandComboBox.tsx

@@ -1,11 +1,11 @@
 import { Combobox } from '@headlessui/react'
 import Fuse from 'fuse.js'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { Command } from 'lib/commandTypes'
 import { useEffect, useState } from 'react'
 import { CustomIcon } from './CustomIcon'
 import { getActorNextEvents } from 'lib/utils'
 import { sortCommands } from 'lib/commandUtils'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 function CommandComboBox({
   options,
@@ -14,7 +14,6 @@ function CommandComboBox({
   options: Command[]
   placeholder?: string
 }) {
-  const { commandBarSend } = useCommandsContext()
   const [query, setQuery] = useState('')
   const [filteredOptions, setFilteredOptions] = useState<typeof options>()
 
@@ -41,7 +40,7 @@ function CommandComboBox({
   }, [query])
 
   function handleSelection(command: Command) {
-    commandBarSend({ type: 'Select command', data: { command } })
+    commandBarActor.send({ type: 'Select command', data: { command } })
   }
 
   return (
@@ -61,7 +60,7 @@ function CommandComboBox({
               (event.key === 'Backspace' && !event.currentTarget.value)
             ) {
               event.preventDefault()
-              commandBarSend({ type: 'Close' })
+              commandBarActor.send({ type: 'Close' })
             }
           }}
           placeholder={

src/components/FileMachineProvider.tsx

@@ -12,7 +12,6 @@ import {
   StateFrom,
   fromPromise,
 } from 'xstate'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { fileMachine } from 'machines/fileMachine'
 import { isDesktop } from 'lib/isDesktop'
 import {
@@ -30,6 +29,7 @@ import {
 } from 'lib/getKclSamplesManifest'
 import { useSettingsAuthContext } from 'hooks/useSettingsAuthContext'
 import { markOnce } from 'lib/performance'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 type MachineContext<T extends AnyStateMachine> = {
   state: StateFrom<T>
@@ -47,7 +47,6 @@ export const FileMachineProvider = ({
   children: React.ReactNode
 }) => {
   const navigate = useNavigate()
-  const { commandBarSend } = useCommandsContext()
   const { settings } = useSettingsAuthContext()
   const { project, file } = useRouteLoaderData(PATHS.FILE) as IndexLoaderData
   const [kclSamples, setKclSamples] = React.useState<KclSamplesManifestItem[]>(
@@ -90,7 +89,7 @@ export const FileMachineProvider = ({
         navigateToFile: ({ context, event }) => {
           if (event.type !== 'xstate.done.actor.create-and-open-file') return
           if (event.output && 'name' in event.output) {
-            commandBarSend({ type: 'Close' })
+            commandBarActor.send({ type: 'Close' })
             navigate(
               `..${PATHS.FILE}/${encodeURIComponent(
                 context.selectedDirectory +
@@ -336,15 +335,18 @@ export const FileMachineProvider = ({
   )
 
   useEffect(() => {
-    commandBarSend({ type: 'Add commands', data: { commands: kclCommandMemo } })
+    commandBarActor.send({
+      type: 'Add commands',
+      data: { commands: kclCommandMemo },
+    })
 
     return () => {
-      commandBarSend({
+      commandBarActor.send({
         type: 'Remove commands',
         data: { commands: kclCommandMemo },
       })
     }
-  }, [commandBarSend, kclCommandMemo])
+  }, [commandBarActor.send, kclCommandMemo])
 
   return (
     <FileContext.Provider

src/components/MachineManagerProvider.tsx

@@ -1,11 +1,11 @@
 import { createContext, useEffect, useState } from 'react'
 
 import { engineCommandManager } from 'lib/singletons'
-import { CommandsContext } from 'components/CommandBar/CommandBarProvider'
 import { isDesktop } from 'lib/isDesktop'
 import { components } from 'lib/machine-api'
 import { reportRejection } from 'lib/trap'
 import { toSync } from 'lib/utils'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 export type MachinesListing = Array<
   components['schemas']['MachineInfoResponse']
@@ -42,8 +42,6 @@ export const MachineManagerProvider = ({
     components['schemas']['MachineInfoResponse'] | null
   >(null)
 
-  const commandBarActor = CommandsContext.useActorRef()
-
   // Get the reason message for why there are no machines.
   const noMachinesReason = (): string | undefined => {
     if (machines.length > 0) {

src/components/ModelingMachineProvider.tsx

@@ -1,4 +1,4 @@
-import { useMachine } from '@xstate/react'
+import { useMachine, useSelector } from '@xstate/react'
 import React, {
   createContext,
   useEffect,
@@ -11,6 +11,7 @@ import {
   AnyStateMachine,
   ContextFrom,
   Prop,
+  SnapshotFrom,
   StateFrom,
   assign,
   fromPromise,
@@ -78,7 +79,6 @@ import toast from 'react-hot-toast'
 import { useLoaderData, useNavigate, useSearchParams } from 'react-router-dom'
 import { letEngineAnimateAndSyncCamAfter } from 'clientSideScene/CameraControls'
 import { err, reportRejection, trap } from 'lib/trap'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import {
   ExportIntent,
   EngineConnectionStateType,
@@ -91,6 +91,7 @@ import { IndexLoaderData } from 'lib/types'
 import { Node } from 'wasm-lib/kcl/bindings/Node'
 import { promptToEditFlow } from 'lib/promptToEdit'
 import { kclEditorActor } from 'machines/kclEditorMachine'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 type MachineContext<T extends AnyStateMachine> = {
   state: StateFrom<T>
@@ -102,6 +103,10 @@ export const ModelingMachineContext = createContext(
   {} as MachineContext<typeof modelingMachine>
 )
 
+const commandBarIsClosedSelector = (
+  state: SnapshotFrom<typeof commandBarActor>
+) => state.matches('Closed')
+
 export const ModelingMachineProvider = ({
   children,
 }: {
@@ -132,8 +137,10 @@ export const ModelingMachineProvider = ({
   let [searchParams] = useSearchParams()
   const pool = searchParams.get('pool')
 
-  const { commandBarState, commandBarSend } = useCommandsContext()
+  const isCommandBarClosed = useSelector(
-
+    commandBarActor,
+    commandBarIsClosedSelector
+  )
   // Settings machine setup
   // const retrievedSettings = useRef(
   // localStorage?.getItem(MODELING_PERSIST_KEY) || '{}'
@@ -538,7 +545,6 @@ export const ModelingMachineProvider = ({
             trimmedPrompt,
             fileMachineSend,
             navigate,
-            commandBarSend,
             context,
             token,
             settings: {
@@ -552,7 +558,7 @@ export const ModelingMachineProvider = ({
         'has valid selection for deletion': ({
           context: { selectionRanges },
         }) => {
-          if (!commandBarState.matches('Closed')) return false
+          if (!isCommandBarClosed) return false
           if (selectionRanges.graphSelections.length <= 0) return false
           return true
         },

src/components/ModelingSidebar/ModelingPanes/KclEditorMenu.tsx

@@ -9,12 +9,11 @@ import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { kclManager } from 'lib/singletons'
 import { openExternalBrowserIfDesktop } from 'lib/openWindow'
 import { reportRejection } from 'lib/trap'
-import { useCommandsContext } from 'hooks/useCommandsContext'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 export const KclEditorMenu = ({ children }: PropsWithChildren) => {
   const { enable: convertToVarEnabled, handleClick: handleConvertToVarClick } =
     useConvertToVariable()
-  const { commandBarSend } = useCommandsContext()
 
   return (
     <Menu>
@@ -85,7 +84,7 @@ export const KclEditorMenu = ({ children }: PropsWithChildren) => {
           <Menu.Item>
             <button
               onClick={() => {
-                commandBarSend({
+                commandBarActor.send({
                   type: 'Find and select command',
                   data: {
                     groupId: 'code',

src/components/ModelingSidebar/ModelingSidebar.tsx

@@ -15,12 +15,12 @@ import { ModelingPane } from './ModelingPane'
 import { isDesktop } from 'lib/isDesktop'
 import { useModelingContext } from 'hooks/useModelingContext'
 import { CustomIconName } from 'components/CustomIcon'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { IconDefinition } from '@fortawesome/free-solid-svg-icons'
 import { useKclContext } from 'lang/KclProvider'
 import { MachineManagerContext } from 'components/MachineManagerProvider'
 import { onboardingPaths } from 'routes/Onboarding/paths'
 import { SIDEBAR_BUTTON_SUFFIX } from 'lib/constants'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 interface ModelingSidebarProps {
   paneOpacity: '' | 'opacity-20' | 'opacity-40'
@@ -37,7 +37,6 @@ function getPlatformString(): 'web' | 'desktop' {
 
 export function ModelingSidebar({ paneOpacity }: ModelingSidebarProps) {
   const machineManager = useContext(MachineManagerContext)
-  const { commandBarSend } = useCommandsContext()
   const kclContext = useKclContext()
   const { settings } = useSettingsAuthContext()
   const onboardingStatus = settings.context.app.onboardingStatus
@@ -66,7 +65,7 @@ export function ModelingSidebar({ paneOpacity }: ModelingSidebarProps) {
       icon: 'floppyDiskArrow',
       keybinding: 'Ctrl + Shift + E',
       action: () =>
-        commandBarSend({
+        commandBarActor.send({
           type: 'Find and select command',
           data: { name: 'Export', groupId: 'modeling' },
         }),
@@ -79,7 +78,7 @@ export function ModelingSidebar({ paneOpacity }: ModelingSidebarProps) {
       keybinding: 'Ctrl + Shift + M',
       // eslint-disable-next-line @typescript-eslint/no-misused-promises
       action: async () => {
-        commandBarSend({
+        commandBarActor.send({
           type: 'Find and select command',
           data: { name: 'Make', groupId: 'modeling' },
         })

src/components/NetworkHealthIndicator.test.tsx

@@ -1,7 +1,6 @@
 import { fireEvent, render, screen } from '@testing-library/react'
 import { BrowserRouter } from 'react-router-dom'
 import { SettingsAuthProviderJest } from './SettingsAuthProvider'
-import { CommandBarProvider } from './CommandBar/CommandBarProvider'
 import {
   NETWORK_HEALTH_TEXT,
   NetworkHealthIndicator,
@@ -12,9 +11,7 @@ function TestWrap({ children }: { children: React.ReactNode }) {
   // wrap in router and xState context
   return (
     <BrowserRouter>
-      <CommandBarProvider>
       <SettingsAuthProviderJest>{children}</SettingsAuthProviderJest>
-      </CommandBarProvider>
     </BrowserRouter>
   )
 }

src/components/ProjectSidebarMenu.test.tsx

@@ -2,7 +2,6 @@ import { render, screen } from '@testing-library/react'
 import { BrowserRouter } from 'react-router-dom'
 import ProjectSidebarMenu from './ProjectSidebarMenu'
 import { SettingsAuthProviderJest } from './SettingsAuthProvider'
-import { CommandBarProvider } from './CommandBar/CommandBarProvider'
 import { Project } from 'lib/project'
 
 const now = new Date()
@@ -33,11 +32,9 @@ describe('ProjectSidebarMenu tests', () => {
   test('Disables popover menu by default', () => {
     render(
       <BrowserRouter>
-        <CommandBarProvider>
         <SettingsAuthProviderJest>
           <ProjectSidebarMenu project={projectWellFormed} />
         </SettingsAuthProviderJest>
-        </CommandBarProvider>
       </BrowserRouter>
     )
 

src/components/ProjectSidebarMenu.tsx

@@ -7,7 +7,6 @@ import { Link, useLocation, useNavigate } from 'react-router-dom'
 import { Fragment, useMemo, useContext } from 'react'
 import { Logo } from './Logo'
 import { APP_NAME } from 'lib/constants'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { CustomIcon } from './CustomIcon'
 import { useLspContext } from './LspProvider'
 import { engineCommandManager, kclManager } from 'lib/singletons'
@@ -15,6 +14,9 @@ import { MachineManagerContext } from 'components/MachineManagerProvider'
 import usePlatform from 'hooks/usePlatform'
 import { useAbsoluteFilePath } from 'hooks/useAbsoluteFilePath'
 import Tooltip from './Tooltip'
+import { SnapshotFrom } from 'xstate'
+import { commandBarActor } from 'machines/commandBarMachine'
+import { useSelector } from '@xstate/react'
 
 const ProjectSidebarMenu = ({
   project,
@@ -84,6 +86,9 @@ function AppLogoLink({
   )
 }
 
+const commandsSelector = (state: SnapshotFrom<typeof commandBarActor>) =>
+  state.context.commands
+
 function ProjectMenuPopover({
   project,
   file,
@@ -96,16 +101,14 @@ function ProjectMenuPopover({
   const navigate = useNavigate()
   const filePath = useAbsoluteFilePath()
   const machineManager = useContext(MachineManagerContext)
+  const commands = useSelector(commandBarActor, commandsSelector)
 
-  const { commandBarState, commandBarSend } = useCommandsContext()
   const { onProjectClose } = useLspContext()
   const exportCommandInfo = { name: 'Export', groupId: 'modeling' }
   const makeCommandInfo = { name: 'Make', groupId: 'modeling' }
   const findCommand = (obj: { name: string; groupId: string }) =>
     Boolean(
-      commandBarState.context.commands.find(
+      commands.find((c) => c.name === obj.name && c.groupId === obj.groupId)
-        (c) => c.name === obj.name && c.groupId === obj.groupId
-      )
     )
   const machineCount = machineManager.machines.length
 
@@ -150,7 +153,7 @@ function ProjectMenuPopover({
           ),
           disabled: !findCommand(exportCommandInfo),
           onClick: () =>
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: exportCommandInfo,
             }),
@@ -175,7 +178,7 @@ function ProjectMenuPopover({
           ),
           disabled: !findCommand(makeCommandInfo) || machineCount === 0,
           onClick: () => {
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: makeCommandInfo,
             })
@@ -200,7 +203,7 @@ function ProjectMenuPopover({
     [
       platform,
       findCommand,
-      commandBarSend,
+      commandBarActor.send,
       engineCommandManager,
       onProjectClose,
       isDesktop,

src/components/ProjectsContextProvider.tsx

@@ -1,5 +1,4 @@
 import { useMachine } from '@xstate/react'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { useFileSystemWatcher } from 'hooks/useFileSystemWatcher'
 import { useProjectsLoader } from 'hooks/useProjectsLoader'
 import { projectsMachine } from 'machines/projectsMachine'
@@ -24,6 +23,7 @@ import { useSettingsAuthContext } from 'hooks/useSettingsAuthContext'
 import useStateMachineCommands from 'hooks/useStateMachineCommands'
 import { projectsCommandBarConfig } from 'lib/commandBarConfigs/projectsCommandConfig'
 import { isDesktop } from 'lib/isDesktop'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 type MachineContext<T extends AnyStateMachine> = {
   state?: StateFrom<T>
@@ -73,7 +73,6 @@ const ProjectsContextDesktop = ({
 }) => {
   const navigate = useNavigate()
   const location = useLocation()
-  const { commandBarSend } = useCommandsContext()
   const { onProjectOpen } = useLspContext()
   const {
     settings: { context: settings },
@@ -126,7 +125,7 @@ const ProjectsContextDesktop = ({
               },
               null
             )
-            commandBarSend({ type: 'Close' })
+            commandBarActor.send({ type: 'Close' })
             const newPathName = `${PATHS.FILE}/${encodeURIComponent(
               projectPath
             )}`

src/components/SettingsAuthProvider.tsx

@@ -29,7 +29,6 @@ import {
   createSettingsCommand,
   settingsWithCommandConfigs,
 } from 'lib/commandBarConfigs/settingsCommandConfig'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { Command } from 'lib/commandTypes'
 import { BaseUnit } from 'lib/settings/settingsTypes'
 import {
@@ -42,6 +41,7 @@ import { isDesktop } from 'lib/isDesktop'
 import { useFileSystemWatcher } from 'hooks/useFileSystemWatcher'
 import { codeManager } from 'lib/singletons'
 import { createRouteCommands } from 'lib/commandBarConfigs/routeCommandConfig'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 type MachineContext<T extends AnyStateMachine> = {
   state: StateFrom<T>
@@ -109,7 +109,6 @@ export const SettingsAuthProviderBase = ({
 }) => {
   const location = useLocation()
   const navigate = useNavigate()
-  const { commandBarSend } = useCommandsContext()
   const [settingsPath, setSettingsPath] = useState<string | undefined>(
     undefined
   )
@@ -278,10 +277,10 @@ export const SettingsAuthProviderBase = ({
       )
       .filter((c) => c !== null) as Command[]
 
-    commandBarSend({ type: 'Add commands', data: { commands: commands } })
+    commandBarActor.send({ type: 'Add commands', data: { commands: commands } })
 
     return () => {
-      commandBarSend({
+      commandBarActor.send({
         type: 'Remove commands',
         data: { commands },
       })
@@ -290,7 +289,7 @@ export const SettingsAuthProviderBase = ({
     settingsState,
     settingsSend,
     settingsActor,
-    commandBarSend,
+    commandBarActor.send,
     settingsWithCommandConfigs,
   ])
 
@@ -303,7 +302,7 @@ export const SettingsAuthProviderBase = ({
       encodeURIComponent(loadedProject?.file?.path || BROWSER_PATH)
     const { RouteTelemetryCommand, RouteHomeCommand, RouteSettingsCommand } =
       createRouteCommands(navigate, location, filePath)
-    commandBarSend({
+    commandBarActor.send({
       type: 'Remove commands',
       data: {
         commands: [
@@ -314,12 +313,12 @@ export const SettingsAuthProviderBase = ({
       },
     })
     if (location.pathname === PATHS.HOME) {
-      commandBarSend({
+      commandBarActor.send({
         type: 'Add commands',
         data: { commands: [RouteTelemetryCommand, RouteSettingsCommand] },
       })
     } else if (location.pathname.includes(PATHS.FILE)) {
-      commandBarSend({
+      commandBarActor.send({
         type: 'Add commands',
         data: {
           commands: [

src/components/Stream.tsx

@@ -17,10 +17,11 @@ import {
 import { useRouteLoaderData } from 'react-router-dom'
 import { PATHS } from 'lib/paths'
 import { IndexLoaderData } from 'lib/types'
-import { useCommandsContext } from 'hooks/useCommandsContext'
 import { err, reportRejection } from 'lib/trap'
 import { getArtifactOfTypes } from 'lang/std/artifactGraph'
 import { ViewControlContextMenu } from './ViewControlMenu'
+import { commandBarActor, useCommandBarState } from 'machines/commandBarMachine'
+import { useSelector } from '@xstate/react'
 
 enum StreamState {
   Playing = 'playing',
@@ -35,7 +36,7 @@ export const Stream = () => {
   const videoRef = useRef<HTMLVideoElement>(null)
   const { settings } = useSettingsAuthContext()
   const { state, send } = useModelingContext()
-  const { commandBarState } = useCommandsContext()
+  const commandBarState = useCommandBarState()
   const { mediaStream } = useAppStream()
   const { overallState, immediateState } = useNetworkContext()
   const [streamState, setStreamState] = useState(StreamState.Unset)

src/components/ToastTextToCad.tsx

@@ -28,7 +28,7 @@ import { base64Decode } from 'lang/wasm'
 import { sendTelemetry } from 'lib/textToCad'
 import { Themes } from 'lib/theme'
 import { ActionButton } from './ActionButton'
-import { commandBarMachine } from 'machines/commandBarMachine'
+import { commandBarActor, commandBarMachine } from 'machines/commandBarMachine'
 import { EventFrom } from 'xstate'
 import { fileMachine } from 'machines/fileMachine'
 import { reportRejection } from 'lib/trap'
@@ -43,15 +43,10 @@ export function ToastTextToCadError({
   toastId,
   message,
   prompt,
-  commandBarSend,
 }: {
   toastId: string
   message: string
   prompt: string
-  commandBarSend: (
-    event: EventFrom<typeof commandBarMachine>,
-    data?: unknown
-  ) => void
 }) {
   return (
     <div className="flex flex-col justify-between gap-6">
@@ -81,7 +76,7 @@ export function ToastTextToCadError({
           }}
           name="Edit prompt"
           onClick={() => {
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: {
                 groupId: 'modeling',

src/components/UserSidebarMenu.test.tsx

@@ -8,7 +8,6 @@ import {
 } from 'react-router-dom'
 import { Models } from '@kittycad/lib'
 import { SettingsAuthProviderJest } from './SettingsAuthProvider'
-import { CommandBarProvider } from './CommandBar/CommandBarProvider'
 
 type User = Models['User_type']
 
@@ -124,9 +123,7 @@ function TestWrap({ children }: { children: React.ReactNode }) {
       <Route
         path="/file/:id"
         element={
-          <CommandBarProvider>
           <SettingsAuthProviderJest>{children}</SettingsAuthProviderJest>
-          </CommandBarProvider>
         }
       />
     ),

src/editor/manager.ts

@@ -5,7 +5,6 @@ import { engineCommandManager, kclManager } from 'lib/singletons'
 import { modelingMachine, ModelingMachineEvent } from 'machines/modelingMachine'
 import { Selections, Selection, processCodeMirrorRanges } from 'lib/selections'
 import { undo, redo } from '@codemirror/commands'
-import { CommandBarMachineEvent } from 'machines/commandBarMachine'
 import { addLineHighlight, addLineHighlightEvent } from './highlightextension'
 import {
   Diagnostic,
@@ -52,9 +51,6 @@ export default class EditorManager {
   private _modelingSend: (eventInfo: ModelingMachineEvent) => void = () => {}
   private _modelingState: StateFrom<typeof modelingMachine> | null = null
 
-  private _commandBarSend: (eventInfo: CommandBarMachineEvent) => void =
-    () => {}
-
   private _convertToVariableEnabled: boolean = false
   private _convertToVariableCallback: () => void = () => {}
 
@@ -161,14 +157,6 @@ export default class EditorManager {
     this._modelingState = state
   }
 
-  setCommandBarSend(send: (eventInfo: CommandBarMachineEvent) => void) {
-    this._commandBarSend = send
-  }
-
-  commandBarSend(eventInfo: CommandBarMachineEvent): void {
-    return this._commandBarSend(eventInfo)
-  }
-
   get highlightRange(): Array<[number, number]> {
     return this._highlightRange
   }

src/hooks/useCommandsContext.ts

@@ -1,10 +0,0 @@
-import { CommandsContext } from 'components/CommandBar/CommandBarProvider'
-
-export const useCommandsContext = () => {
-  const commandBarActor = CommandsContext.useActorRef()
-  const commandBarState = CommandsContext.useSelector((state) => state)
-  return {
-    commandBarSend: commandBarActor.send,
-    commandBarState,
-  }
-}

src/hooks/useStateMachineCommands.ts

@@ -1,7 +1,6 @@
 import { useEffect } from 'react'
 import { AnyStateMachine, Actor, StateFrom, EventFrom } from 'xstate'
 import { createMachineCommand } from '../lib/createMachineCommand'
-import { useCommandsContext } from './useCommandsContext'
 import { modelingMachine } from 'machines/modelingMachine'
 import { authMachine } from 'machines/authMachine'
 import { settingsMachine } from 'machines/settingsMachine'
@@ -15,6 +14,7 @@ import { useKclContext } from 'lang/KclProvider'
 import { useNetworkContext } from 'hooks/useNetworkContext'
 import { NetworkHealthState } from 'hooks/useNetworkStatus'
 import { useAppState } from 'AppState'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 // This might not be necessary, AnyStateMachine from xstate is working
 export type AllMachines =
@@ -48,7 +48,6 @@ export default function useStateMachineCommands<
   allCommandsRequireNetwork = false,
   onCancel,
 }: UseStateMachineCommandsArgs<T, S>) {
-  const { commandBarSend } = useCommandsContext()
   const { overallState } = useNetworkContext()
   const { isExecuting } = useKclContext()
   const { isStreamReady } = useAppState()
@@ -76,10 +75,13 @@ export default function useStateMachineCommands<
       })
       .filter((c) => c !== null) as Command[] // TS isn't smart enough to know this filter removes nulls
 
-    commandBarSend({ type: 'Add commands', data: { commands: newCommands } })
+    commandBarActor.send({
+      type: 'Add commands',
+      data: { commands: newCommands },
+    })
 
     return () => {
-      commandBarSend({
+      commandBarActor.send({
         type: 'Remove commands',
         data: { commands: newCommands },
       })

src/lib/textToCad.ts

@@ -68,10 +68,6 @@ interface TextToKclProps {
     data?: unknown
   ) => unknown
   navigate: NavigateFunction
-  commandBarSend: (
-    type: EventFrom<typeof commandBarMachine>,
-    data?: unknown
-  ) => unknown
   context: ContextFrom<typeof fileMachine>
   token?: string
   settings: {
@@ -84,7 +80,6 @@ export async function submitAndAwaitTextToKcl({
   trimmedPrompt,
   fileMachineSend,
   navigate,
-  commandBarSend,
   context,
   token,
   settings,
@@ -96,7 +91,6 @@ export async function submitAndAwaitTextToKcl({
         ToastTextToCadError({
           toastId,
           message,
-          commandBarSend,
           prompt: trimmedPrompt,
         }),
       {

src/lib/toolbar.ts

@@ -1,6 +1,6 @@
 import { CustomIconName } from 'components/CustomIcon'
 import { DEV } from 'env'
-import { commandBarMachine } from 'machines/commandBarMachine'
+import { commandBarActor, commandBarMachine } from 'machines/commandBarMachine'
 import {
   canRectangleOrCircleTool,
   isClosedSketch,
@@ -21,7 +21,6 @@ type ToolbarMode = {
 export interface ToolbarItemCallbackProps {
   modelingState: StateFrom<typeof modelingMachine>
   modelingSend: (event: EventFrom<typeof modelingMachine>) => void
-  commandBarSend: (event: EventFrom<typeof commandBarMachine>) => void
   sketchPathId: string | false
 }
 
@@ -84,8 +83,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       'break',
       {
         id: 'extrude',
-        onClick: ({ commandBarSend }) =>
+        onClick: () =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Extrude', groupId: 'modeling' },
           }),
@@ -98,8 +97,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       },
       {
         id: 'revolve',
-        onClick: ({ commandBarSend }) =>
+        onClick: () =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Revolve', groupId: 'modeling' },
           }),
@@ -119,8 +118,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       },
       {
         id: 'sweep',
-        onClick: ({ commandBarSend }) =>
+        onClick: () =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Sweep', groupId: 'modeling' },
           }),
@@ -139,8 +138,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       },
       {
         id: 'loft',
-        onClick: ({ commandBarSend }) =>
+        onClick: () =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Loft', groupId: 'modeling' },
           }),
@@ -160,8 +159,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       'break',
       {
         id: 'fillet3d',
-        onClick: ({ commandBarSend }) =>
+        onClick: () =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Fillet', groupId: 'modeling' },
           }),
@@ -174,8 +173,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       },
       {
         id: 'chamfer3d',
-        onClick: ({ commandBarSend }) =>
+        onClick: () =>
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Chamfer', groupId: 'modeling' },
           }),
@@ -188,8 +187,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       },
       {
         id: 'shell',
-        onClick: ({ commandBarSend }) => {
+        onClick: () => {
-          commandBarSend({
+          commandBarActor.send({
             type: 'Find and select command',
             data: { name: 'Shell', groupId: 'modeling' },
           })
@@ -269,8 +268,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       [
         {
           id: 'plane-offset',
-          onClick: ({ commandBarSend }) => {
+          onClick: () => {
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: { name: 'Offset plane', groupId: 'modeling' },
             })
@@ -301,8 +300,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
       [
         {
           id: 'text-to-cad',
-          onClick: ({ commandBarSend }) =>
+          onClick: () =>
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: { name: 'Text-to-CAD', groupId: 'modeling' },
             }),
@@ -319,8 +318,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
         },
         {
           id: 'prompt-to-edit',
-          onClick: ({ commandBarSend }) =>
+          onClick: () =>
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: { name: 'Prompt-to-edit', groupId: 'modeling' },
             }),
@@ -593,8 +592,8 @@ export const toolbarConfig: Record<ToolbarModeName, ToolbarMode> = {
         {
           id: 'constraint-length',
           disabled: (state) => !state.matches({ Sketch: 'SketchIdle' }),
-          onClick: ({ commandBarSend }) =>
+          onClick: () =>
-            commandBarSend({
+            commandBarActor.send({
               type: 'Find and select command',
               data: {
                 name: 'Constrain length',

src/machines/commandBarMachine.ts

@@ -1,4 +1,4 @@
-import { assign, fromPromise, setup } from 'xstate'
+import { assign, createActor, fromPromise, setup, SnapshotFrom } from 'xstate'
 import {
   Command,
   CommandArgument,
@@ -9,6 +9,7 @@ import { Selections__old } from 'lib/selections'
 import { getCommandArgumentKclValuesOnly } from 'lib/commandUtils'
 import { MachineManager } from 'components/MachineManagerProvider'
 import toast from 'react-hot-toast'
+import { useSelector } from '@xstate/react'
 
 export type CommandBarContext = {
   commands: Command[]
@@ -247,8 +248,17 @@ export const commandBarMachine = setup({
   guards: {
     'Command needs review': ({ context }) =>
       context.selectedCommand?.needsReview || false,
-    'Command has no arguments': () => false,
+    'Command has no arguments': ({ context }) => {
-    'All arguments are skippable': () => false,
+      return (
+        !context.selectedCommand?.args ||
+        Object.keys(context.selectedCommand?.args).length === 0
+      )
+    },
+    'All arguments are skippable': ({ context }) => {
+      return Object.values(context.selectedCommand!.args!).every(
+        (argConfig) => argConfig.skip
+      )
+    },
     'Has selected command': ({ context }) => !!context.selectedCommand,
   },
   actors: {
@@ -620,3 +630,12 @@ function sortCommands(a: Command, b: Command) {
   if (a.groupId === 'settings' && !(b.groupId === 'settings')) return 1
   return a.name.localeCompare(b.name)
 }
+
+export const commandBarActor = createActor(commandBarMachine).start()
+
+/** Basic state snapshot selector */
+const cmdBarStateSelector = (state: SnapshotFrom<typeof commandBarActor>) =>
+  state
+export const useCommandBarState = () => {
+  return useSelector(commandBarActor, cmdBarStateSelector)
+}

src/routes/Home.tsx

@@ -24,13 +24,12 @@ import { markOnce } from 'lib/performance'
 import { useFileSystemWatcher } from 'hooks/useFileSystemWatcher'
 import { useProjectsLoader } from 'hooks/useProjectsLoader'
 import { useProjectsContext } from 'hooks/useProjectsContext'
-import { useCommandsContext } from 'hooks/useCommandsContext'
+import { commandBarActor } from 'machines/commandBarMachine'
 
 // This route only opens in the desktop context for now,
 // as defined in Router.tsx, so we can use the desktop APIs and types.
 const Home = () => {
   const { state, send } = useProjectsContext()
-  const { commandBarSend } = useCommandsContext()
   const [projectsLoaderTrigger, setProjectsLoaderTrigger] = useState(0)
   const { projectsDir } = useProjectsLoader([projectsLoaderTrigger])
 
@@ -128,7 +127,7 @@ const Home = () => {
               <ActionButton
                 Element="button"
                 onClick={() =>
-                  commandBarSend({
+                  commandBarActor.send({
                     type: 'Find and select command',
                     data: {
                       groupId: 'projects',