Massive extinction event for waitForExecutionDone; try to stop projects view switching from crashing

e2e/playwright/code-pane-and-errors.spec.ts

@@ -15,6 +15,7 @@ test.describe('Code pane and errors', { tag: ['@skipWin'] }, () => {
     page,
     homePage,
     scene,
+    cmdBar,
   }) => {
     const u = await getUtils(page)
 
@@ -36,7 +37,7 @@ extrude001 = extrude(sketch001, length = 5)`
 
     await page.setBodyDimensions({ width: 1200, height: 500 })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // Ensure no badge is present
     const codePaneButtonHolder = page.locator('#code-button-holder')
@@ -171,6 +172,8 @@ extrude001 = extrude(sketch001, length = 5)`
     context,
     page,
     homePage,
+    scene,
+    cmdBar,
   }) => {
     // Load the app with the working starter code
     await context.addInitScript((code) => {
@@ -180,9 +183,7 @@ extrude001 = extrude(sketch001, length = 5)`
     await page.setBodyDimensions({ width: 1200, height: 500 })
     await homePage.goToModelingScene()
 
-    // FIXME: await scene.waitForExecutionDone() does not work. It still fails.
+    await scene.settled(cmdBar)
-    // I needed to increase this timeout to get this to pass.
-    await page.waitForTimeout(10000)
 
     // Ensure badge is present
     const codePaneButtonHolder = page.locator('#code-button-holder')

e2e/playwright/desktop-export.spec.ts

@@ -11,7 +11,7 @@ import { expect, test } from '@e2e/playwright/zoo-test'
 test(
   'export works on the first try',
   { tag: ['@electron', '@skipLocalEngine'] },
-  async ({ page, context, scene, tronApp }, testInfo) => {
+  async ({ page, context, scene, tronApp, cmdBar }, testInfo) => {
     if (!tronApp) {
       fail()
     }
@@ -47,7 +47,8 @@ test(
       const exportButton = page.getByTestId('export-pane-button')
       await expect(exportButton).toBeVisible()
 
-      await scene.waitForExecutionDone()
+      // Wait for the model to finish loading
+      await scene.settled(cmdBar)
 
       const gltfOption = page.getByText('glTF')
       const submitButton = page.getByText('Confirm Export')
@@ -120,8 +121,7 @@ test(
       // Close the file pane
       await u.closeFilePanel()
 
-      // FIXME: await scene.waitForExecutionDone() does not work. The modeling indicator stays in -receive-reliable and not execution done
+      await scene.settled(cmdBar)
-      await page.waitForTimeout(10000)
 
       // expect zero errors in guter
       await expect(page.locator('.cm-lint-marker-error')).not.toBeVisible()

e2e/playwright/feature-tree-pane.spec.ts

@@ -64,7 +64,7 @@ test.describe('Feature Tree pane', () => {
   test(
     'User can go to definition and go to function definition',
     { tag: '@electron' },
-    async ({ context, homePage, scene, editor, toolbar }) => {
+    async ({ context, homePage, scene, editor, toolbar, cmdBar }) => {
       await context.folderSetupFn(async (dir) => {
         const bracketDir = join(dir, 'test-sample')
         await fsp.mkdir(bracketDir, { recursive: true })
@@ -86,7 +86,7 @@ test.describe('Feature Tree pane', () => {
           sortBy: 'last-modified-desc',
         })
         await homePage.openProject('test-sample')
-        await scene.waitForExecutionDone()
+        await scene.settled(cmdBar)
         await editor.closePane()
         await toolbar.openFeatureTreePane()
       })
@@ -254,7 +254,7 @@ test.describe('Feature Tree pane', () => {
         sortBy: 'last-modified-desc',
       })
       await homePage.openProject('test-sample')
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
       await toolbar.openFeatureTreePane()
     })
 
@@ -339,7 +339,7 @@ test.describe('Feature Tree pane', () => {
         sortBy: 'last-modified-desc',
       })
       await homePage.openProject('test-sample')
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
       await toolbar.openFeatureTreePane()
     })
 
@@ -414,8 +414,7 @@ profile003 = startProfileAt([0, -4.93], sketch001)
     const planeColor: [number, number, number] = [74, 74, 74]
 
     await homePage.openProject('test-sample')
-    // FIXME: @lf94 has a better way to verify execution completion, in a PR rn
+    await scene.settled(cmdBar)
-    await scene.waitForExecutionDone()
 
     await test.step(`Verify we see the sketch`, async () => {
       await scene.expectPixelColor(sketchColor, testPoint, 10)

e2e/playwright/fixtures/sceneFixture.ts

@@ -47,12 +47,6 @@ export class SceneFixture {
   public networkToggleConnected!: Locator
   public startEditSketchBtn!: Locator
 
-  get exeIndicator() {
-    return this.page
-      .getByTestId('model-state-indicator-execution-done')
-      .or(this.page.getByTestId('model-state-indicator-receive-reliable'))
-  }
-
   constructor(page: Page) {
     this.page = page
     this.streamWrapper = page.getByTestId('stream')
@@ -231,10 +225,6 @@ export class SceneFixture {
     }
   }
 
-  waitForExecutionDone = async () => {
-    await expect(this.exeIndicator).toBeVisible({ timeout: 30000 })
-  }
-
   connectionEstablished = async () => {
     const timeout = 30000
     await expect(this.networkToggleConnected).toBeVisible({ timeout })
@@ -243,6 +233,9 @@ export class SceneFixture {
   settled = async (cmdBar: CmdBarFixture) => {
     const u = await getUtils(this.page)
 
+    await expect(this.startEditSketchBtn).not.toBeDisabled()
+    await expect(this.startEditSketchBtn).toBeVisible()
+
     await cmdBar.openCmdBar()
     await cmdBar.chooseCommand('Settings · app · show debug panel')
     await cmdBar.selectOption({ name: 'on' }).click()
@@ -250,10 +243,6 @@ export class SceneFixture {
     await u.openDebugPanel()
     await u.expectCmdLog('[data-message-type="execution-done"]')
     await u.closeDebugPanel()
-
-    await this.waitForExecutionDone()
-    await expect(this.startEditSketchBtn).not.toBeDisabled()
-    await expect(this.startEditSketchBtn).toBeVisible()
   }
 
   expectPixelColor = async (

e2e/playwright/fixtures/toolbarFixture.ts

@@ -84,12 +84,6 @@ export class ToolbarFixture {
     return this.page.getByTestId('app-logo')
   }
 
-  get exeIndicator() {
-    return this.page
-      .getByTestId('model-state-indicator-receive-reliable')
-      .or(this.page.getByTestId('model-state-indicator-execution-done'))
-  }
-
   startSketchPlaneSelection = async () =>
     doAndWaitForImageDiff(this.page, () => this.startSketchBtn.click(), 500)
 
@@ -173,7 +167,7 @@ export class ToolbarFixture {
   ) => {
     await this.filePane.getByText(fileName).click()
     if (wait) {
-      await expect(this.exeIndicator).toBeVisible({ timeout: 15_000 })
+      await scene.settled(cmdBar)
     }
   }
   selectCenterRectangle = async () => {

e2e/playwright/point-click.spec.ts

@@ -31,7 +31,7 @@ test.describe('Point-and-click tests', () => {
       localStorage.setItem('persistCode', file)
     }, file)
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     const [clickCircle, moveToCircle] = scene.makeMouseHelpers(582, 217)
 
@@ -186,6 +186,7 @@ test.describe('Point-and-click tests', () => {
       editor,
       toolbar,
       scene,
+      cmdBar
     }) => {
       const file = await fs.readFile(
         path.resolve(
@@ -200,9 +201,7 @@ test.describe('Point-and-click tests', () => {
       }, file)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await expect(
+      await scene.settled(cmdBar)
-        page.getByTestId('model-state-indicator-receive-reliable')
-      ).toBeVisible()
 
       const sketchOnAChamfer = _sketchOnAChamfer(page, editor, toolbar, scene)
 
@@ -377,6 +376,7 @@ profile001 = startProfileAt([205.96, 254.59], sketch002)
       editor,
       toolbar,
       scene,
+      cmdBar,
     }) => {
       const file = await fs.readFile(
         path.resolve(
@@ -392,7 +392,7 @@ profile001 = startProfileAt([205.96, 254.59], sketch002)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
 
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       const sketchOnAChamfer = _sketchOnAChamfer(page, editor, toolbar, scene)
 
@@ -1579,6 +1579,7 @@ extrude001 = extrude(profile001, length = 100)
     page,
     homePage,
     scene,
+    cmdBar
   }) => {
     const initialCode = `sketch001 = startSketchOn(XZ)
   |> circle(center = [0, 0], radius = 30)
@@ -1592,7 +1593,7 @@ loft001 = loft([sketch001, sketch002])
     }, initialCode)
     await page.setBodyDimensions({ width: 1000, height: 500 })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // One dumb hardcoded screen pixel value
     const testPoint = { x: 575, y: 200 }
@@ -1687,7 +1688,7 @@ sketch002 = startSketchOn(XZ)
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // One dumb hardcoded screen pixel value
       const [clickOnSketch1] = scene.makeMouseHelpers(testPoint.x, testPoint.y)
@@ -1826,7 +1827,7 @@ sketch002 = startSketchOn(XZ)
     }, initialCode)
     await page.setBodyDimensions({ width: 1000, height: 500 })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // One dumb hardcoded screen pixel value
     const testPoint = { x: 700, y: 250 }
@@ -2521,7 +2522,7 @@ extrude001 = extrude(sketch001, length = -12)
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
     })
 
     // Test 1: Command bar flow with preselected edges
@@ -2771,6 +2772,7 @@ extrude001 = extrude(sketch001, length = -12)
     scene,
     editor,
     toolbar,
+    cmdBar,
   }) => {
     // Code samples
     const initialCode = `@settings(defaultLengthUnit = in)
@@ -2814,7 +2816,7 @@ chamfer04 = chamfer(extrude001, length = 5, tags = [getOppositeEdge(seg02)])
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // verify modeling scene is loaded
       await scene.expectPixelColor(
@@ -2938,7 +2940,7 @@ extrude001 = extrude(sketch001, length = 30)
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // One dumb hardcoded screen pixel value
       const testPoint = { x: 575, y: 200 }
@@ -3079,7 +3081,7 @@ extrude001 = extrude(sketch001, length = 40)
     }, initialCode)
     await page.setBodyDimensions({ width: 1000, height: 500 })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // One dumb hardcoded screen pixel value
     const testPoint = { x: 580, y: 180 }
@@ -3218,7 +3220,7 @@ extrude002 = extrude(sketch002, length = 50)
       }, initialCode)
       await page.setBodyDimensions({ width: 1200, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // One dumb hardcoded screen pixel value
       const testPoint = { x: 580, y: 320 }
@@ -3306,7 +3308,7 @@ profile001 = startProfileAt([-20, 20], sketch001)
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
       await toolbar.openPane('feature-tree')
 
       // One dumb hardcoded screen pixel value
@@ -3386,7 +3388,7 @@ sweep001 = sweep(sketch001, path = sketch002)
     }, initialCode)
     await page.setBodyDimensions({ width: 1000, height: 500 })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // One dumb hardcoded screen pixel value
     const testPoint = { x: 500, y: 250 }
@@ -3462,7 +3464,7 @@ segAng(rectangleSegmentA002),
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // select line of code
       const codeToSelecton = `segAng(rectangleSegmentA002) - 90,`
@@ -3541,7 +3543,7 @@ sketch002 = startSketchOn(extrude001, rectangleSegmentA001)
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // select line of code
       const codeToSelecton = `center = [-11.34, 10.0]`
@@ -3628,7 +3630,7 @@ sketch003 = startSketchOn(extrude001, 'START')
       }, initialCode)
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       // select line of code
       const codeToSelecton = `center = [-0.69, 0.56]`
@@ -3703,7 +3705,7 @@ extrude001 = extrude(profile001, length = 100)
     }, initialCode)
     await page.setBodyDimensions({ width: 1000, height: 500 })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // One dumb hardcoded screen pixel value
     const testPoint = { x: 500, y: 250 }

e2e/playwright/projects.spec.ts

@@ -443,7 +443,8 @@ test(
     await expect(page.getByText('broken-code')).toBeVisible()
     await page.getByText('broken-code').click()
 
-    // Gotcha: You can not use scene.waitForExecutionDone() since the KCL code is going to fail
+    // Gotcha: You can not use scene.settled() since the KCL code is going to fail
+    await expect(page.getByTestId('loading')).toBeAttached()
     await expect(page.getByTestId('loading')).not.toBeAttached({
       timeout: 20_000,
     })

e2e/playwright/prompt-to-edit-snapshot-tests.spec.ts

@@ -63,7 +63,7 @@ test.describe('edit with AI example snapshots', () => {
         localStorage.setItem('persistCode', file)
       }, file)
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
 
       const body1CapCoords = { x: 571, y: 351 }
       const [clickBody1Cap] = scene.makeMouseHelpers(

e2e/playwright/prompt-to-edit.spec.ts

@@ -61,7 +61,7 @@ test.describe('Prompt-to-edit tests', { tag: '@skipWin' }, () => {
           localStorage.setItem('persistCode', file)
         }, file)
         await homePage.goToModelingScene()
-        await scene.waitForExecutionDone()
+        await scene.settled(cmdBar)
 
         const body1CapCoords = { x: 571, y: 311 }
         const greenCheckCoords = { x: 565, y: 305 }
@@ -156,7 +156,7 @@ test.describe('Prompt-to-edit tests', { tag: '@skipWin' }, () => {
       localStorage.setItem('persistCode', file)
     }, file)
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     const body1CapCoords = { x: 571, y: 311 }
     const [clickBody1Cap] = scene.makeMouseHelpers(
@@ -212,7 +212,7 @@ test.describe('Prompt-to-edit tests', { tag: '@skipWin' }, () => {
       localStorage.setItem('persistCode', file)
     }, file)
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     const submittingToast = page.getByText('Submitting to Text-to-CAD API...')
     const successToast = page.getByText('Prompt to edit successful')
@@ -281,7 +281,7 @@ test.describe('Prompt-to-edit tests', { tag: '@skipWin' }, () => {
       localStorage.setItem('persistCode', file)
     }, file)
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     const submittingToast = page.getByText('Submitting to Text-to-CAD API...')
     const successToast = page.getByText('Prompt to edit successful')

e2e/playwright/regression-tests.spec.ts

@@ -762,7 +762,7 @@ plane002 = offsetPlane(XZ, offset = -2 * x)`
       )
     })
     await homePage.openProject('test-sample')
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
     await expect(toolbar.startSketchBtn).toBeEnabled({ timeout: 20_000 })
     const operationButton = await toolbar.getFeatureTreeOperation(
       'Offset Plane',

e2e/playwright/sketch-tests.spec.ts

@@ -22,6 +22,7 @@ test.describe('Sketch tests', { tag: ['@skipWin'] }, () => {
     context,
     homePage,
     scene,
+    cmdBar,
   }) => {
     const u = await getUtils(page)
     const selectionsSnippets = {
@@ -82,7 +83,7 @@ test.describe('Sketch tests', { tag: ['@skipWin'] }, () => {
     await page.setBodyDimensions({ width: 1200, height: 500 })
 
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     // wait for execution done
     await u.openDebugPanel()
@@ -108,6 +109,7 @@ test.describe('Sketch tests', { tag: ['@skipWin'] }, () => {
     page,
     scene,
     homePage,
+    cmdBar,
   }) => {
     const u = await getUtils(page)
     await page.addInitScript(async () => {
@@ -122,7 +124,7 @@ sketch001 = startSketchOn(XZ)
     })
 
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     await scene.expectPixelColor(TEST_COLORS.WHITE, { x: 587, y: 270 }, 15)
 
@@ -673,6 +675,7 @@ sketch001 = startSketchOn(XZ)
     homePage,
     scene,
     editor,
+    cmdBar,
   }) => {
     const u = await getUtils(page)
     await page.addInitScript(async () => {
@@ -689,7 +692,7 @@ sketch001 = startSketchOn(XZ)
     })
 
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     await expect(
       page.getByRole('button', { name: 'Start Sketch' })
@@ -2359,7 +2362,7 @@ profile003 = circle(sketch001, center = [6.92, -4.2], radius = 3.16)
 
       await page.setBodyDimensions({ width: 1000, height: 500 })
       await homePage.goToModelingScene()
-      await scene.waitForExecutionDone()
+      await scene.settled(cmdBar)
       await expect(
         page.getByRole('button', { name: 'Start Sketch' })
       ).not.toBeDisabled()
@@ -2965,6 +2968,7 @@ test.describe(`Click based selection don't brick the app when clicked out of ran
     toolbar,
     editor,
     homePage,
+    cmdBar,
   }) => {
     // We seed the scene with a single offset plane
     await context.addInitScript(() => {
@@ -2982,7 +2986,7 @@ test.describe(`Click based selection don't brick the app when clicked out of ran
     })
 
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     await test.step(`format the code`, async () => {
       // doesn't contain condensed version
@@ -3047,6 +3051,7 @@ test.describe('Redirecting to home page and back to the original file should cle
     toolbar,
     editor,
     homePage,
+    cmdBar,
   }) => {
     // We seed the scene with a single offset plane
     await context.addInitScript(() => {
@@ -3059,7 +3064,7 @@ test.describe('Redirecting to home page and back to the original file should cle
       )
     })
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
 
     const [objClick] = scene.makeMouseHelpers(634, 274)
     await objClick()

e2e/playwright/testing-constraints.spec.ts

@@ -1129,7 +1129,7 @@ test.describe('Electron constraint tests', () => {
           sortBy: 'last-modified-desc',
         })
         await homePage.openProject('test-sample')
-        await scene.waitForExecutionDone()
+        await scene.settled(cmdBar)
       })
 
       async function clickOnFirstSegmentLabel() {

e2e/playwright/testing-selections.spec.ts

@@ -528,6 +528,8 @@ profile001 = startProfileAt([7.49, 9.96], sketch001)
   test('Hovering over 3d features highlights code, clicking puts the cursor in the right place and sends selection id to engine', async ({
     page,
     homePage,
+    scene,
+    cmdBar,
   }) => {
     const u = await getUtils(page)
     await page.addInitScript(async (KCL_DEFAULT_LENGTH) => {
@@ -779,11 +781,7 @@ part001 = startSketchOn(XZ)
    )
   `)
 
-    await expect(
+    await scene.settled(cmdBar)
-      page
-        .getByTestId('model-state-indicator-receive-reliable')
-        .or(page.getByTestId('model-state-indicator-execution-done'))
-    ).toBeVisible()
 
     await u.openAndClearDebugPanel()
     await u.sendCustomCmd({
@@ -953,6 +951,7 @@ part001 = startSketchOn(XZ)
     page,
     homePage,
     scene,
+    cmdBar,
   }) => {
     const cases = [
       {
@@ -989,7 +988,7 @@ part001 = startSketchOn(XZ)
     await page.setBodyDimensions({ width: 1200, height: 500 })
 
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
     await u.openAndClearDebugPanel()
 
     await u.sendCustomCmd({
@@ -1024,6 +1023,7 @@ part001 = startSketchOn(XZ)
     page,
     homePage,
     scene,
+    cmdBar,
   }) => {
     await page.addInitScript(async () => {
       localStorage.setItem(
@@ -1043,7 +1043,7 @@ part001 = startSketchOn(XZ)
     await page.setBodyDimensions({ width: 1200, height: 500 })
 
     await homePage.goToModelingScene()
-    await scene.waitForExecutionDone()
+    await scene.settled(cmdBar)
     await u.openAndClearDebugPanel()
 
     await u.sendCustomCmd({

src/App.tsx

@@ -145,6 +145,14 @@ export function App() {
     }
   }, [lastCommandType])
 
+  useEffect(() => {
+    // When leaving the modeling scene, cut the engine stream.
+    return () => {
+      engineStreamActor.send({ type: EngineStreamTransition.Pause })
+      console.log('engineStreamActor cleanup')
+    }
+  }, [])
+
   return (
     <div className="relative h-full flex flex-col" ref={ref}>
       <AppHeader

src/components/ModelStateIndicator.tsx

@@ -26,7 +26,7 @@ export const ModelStateIndicator = () => {
     className += 'text-secondary'
     icon = (
       <FontAwesomeIcon
-        data-testid={dataTestId + '-execution-done'}
+        data-testid={dataTestId + '-playing'}
         icon={faPlay}
         width="20"
         height="20"

src/components/ModelingSidebar/ModelingPanes/KclEditorPane.tsx

@@ -90,6 +90,7 @@ export const KclEditorPane = () => {
     return () => {
       kclEditorActor.send({ type: 'setKclEditorMounted', data: false })
       kclEditorActor.send({ type: 'setLastSelectionEvent', data: undefined })
+      console.log('kclEditorActor cleanup')
     }
   }, [])
 

src/lang/std/engineConnection.ts

@@ -305,6 +305,8 @@ class EngineConnection extends EventTarget {
   )
   isUsingConnectionLite: boolean = false
 
+  timeoutToForceConnectId: ReturnType<typeof setTimeout> = setTimeout(() => {}, 3000)
+
   constructor({
     engineCommandManager,
     url,
@@ -595,7 +597,7 @@ class EngineConnection extends EventTarget {
 
           // Sometimes the remote end doesn't report the end of candidates.
           // They have 3 seconds to.
-          setTimeout(() => {
+          this.timeoutToForceConnectId = setTimeout(() => {
             if (that.initiateConnectionExclusive()) {
               console.warn('connected after 3 second delay')
             }
@@ -1192,6 +1194,8 @@ class EngineConnection extends EventTarget {
     )
   }
   disconnectAll() {
+    clearTimeout(this.timeoutToForceConnectId)
+
     if (this.websocket?.readyState === 1) {
       this.websocket?.close()
     }

src/lib/settings/initialSettings.tsx

@@ -213,7 +213,7 @@ export function createSettings() {
       streamIdleMode: new Setting<number | undefined>({
         defaultValue: undefined,
         hideOnLevel: 'project',
-        description: 'Toggle stream idling, saving bandwidth and battery',
+        description: 'Save bandwidth & battery',
         validate: (v) =>
           v === undefined ||
           (typeof v === 'number' &&
@@ -239,10 +239,10 @@ export function createSettings() {
           }
 
           return (
-            <div className="flex item-center gap-4 px-2 m-0 py-0">
+            <div className="flex item-center gap-4 m-0 py-0">
-              <div className="flex flex-col">
+              <Toggle
-                <input
+                offLabel="Off"
-                  type="checkbox"
+                onLabel="On"
                 checked={settingValueInStorage !== undefined}
                 onChange={(event) => {
                   if (timeoutId) {
@@ -265,8 +265,6 @@ export function createSettings() {
                 }}
                 className="block w-4 h-4"
               />
-                <div></div>
-              </div>
               <div className="flex flex-col grow">
                 <input
                   type="range"

src/machines/engineStreamMachine.ts

@@ -297,11 +297,16 @@ export const engineStreamMachine = setup({
       },
     },
     [EngineStreamState.Resuming]: {
+      reenter: true,
       invoke: {
         src: EngineStreamTransition.StartOrReconfigureEngine,
         input: (args) => args,
       },
       on: {
+        // The stream can be paused as it's resuming.
+        [EngineStreamTransition.Pause]: {
+          target: EngineStreamState.Paused,
+        },
         [EngineStreamTransition.SetMediaStream]: {
           actions: [
             assign({ mediaStream: ({ context, event }) => event.mediaStream }),