Fix onboarding rerun project continuation (#2735)

src/renderer/src/components/onboarding/OnboardingFlow.tsx

@@ -84,7 +84,12 @@ export default function OnboardingFlow({
   const shouldShowSkipToProjectSetup = currentStep.id !== 'repo' && currentStep.id !== 'tour'
   const shouldShowStepHeading = !isTourStep
   const footerPrimaryLabel = isTourStep ? 'Skip the tour' : primaryActionLabel
-  const { next: flowNext, openFolder: flowOpenFolder, skipTourToRepo: flowSkipTourToRepo } = flow
+  const {
+    next: flowNext,
+    openFolder: flowOpenFolder,
+    continueWithExistingProject: flowContinueWithExistingProject,
+    skipTourToRepo: flowSkipTourToRepo
+  } = flow
   // Why: depend on stable callbacks + step id only so the listener doesn't
   // re-bind on every render of the parent (flow object identity changes).
   useEffect(() => {
@@ -110,14 +115,26 @@ export default function OnboardingFlow({
         return
       }
       if (currentStep.id === 'repo') {
-        void flowOpenFolder()
+        if (flow.hasExistingProject) {
+          void flowContinueWithExistingProject('keyboard')
+        } else {
+          void flowOpenFolder()
+        }
       } else {
         void flowNext('keyboard')
       }
     }
     window.addEventListener('keydown', onKeyDown, { capture: true })
     return () => window.removeEventListener('keydown', onKeyDown, { capture: true })
-  }, [currentStep.id, flowNext, flowOpenFolder, flowSkipTourToRepo, tourStarted])
+  }, [
+    currentStep.id,
+    flow.hasExistingProject,
+    flowContinueWithExistingProject,
+    flowNext,
+    flowOpenFolder,
+    flowSkipTourToRepo,
+    tourStarted
+  ])
 
   return (
     <div
@@ -319,7 +336,7 @@ export default function OnboardingFlow({
                   Skip
                 </button>
               )}
-              {currentStep.id !== 'repo' && (
+              {(currentStep.id !== 'repo' || flow.hasExistingProject) && (
                 <button
                   className="inline-flex items-center justify-center gap-2 rounded-md bg-primary px-5 py-2 text-sm font-medium text-primary-foreground hover:bg-primary/90 disabled:cursor-not-allowed disabled:opacity-60"
                   aria-busy={Boolean(busyLabel)}
@@ -329,6 +346,10 @@ export default function OnboardingFlow({
                       void flow.skipTourToRepo()
                       return
                     }
+                    if (currentStep.id === 'repo') {
+                      void flow.continueWithExistingProject()
+                      return
+                    }
                     void flow.next()
                   }}
                 >

src/renderer/src/components/onboarding/RepoStep.test.tsx

@@ -0,0 +1,36 @@
+import { renderToStaticMarkup } from 'react-dom/server'
+import type { ComponentProps } from 'react'
+import { describe, expect, it, vi } from 'vitest'
+import { RepoStep } from './RepoStep'
+
+function renderRepoStep(overrides: Partial<ComponentProps<typeof RepoStep>> = {}): string {
+  return renderToStaticMarkup(
+    <RepoStep
+      cloneUrl=""
+      onCloneUrlChange={vi.fn()}
+      onOpenFolder={vi.fn()}
+      onOpenServerFolder={vi.fn()}
+      onClone={vi.fn()}
+      onOpenSshSettings={vi.fn()}
+      serverPath=""
+      onServerPathChange={vi.fn()}
+      cloneDestination=""
+      onCloneDestinationChange={vi.fn()}
+      workspaceDir="/workspace"
+      runtimeActive={false}
+      busyLabel={null}
+      error={null}
+      {...overrides}
+    />
+  )
+}
+
+describe('RepoStep', () => {
+  it('renders the add project options without existing-project chrome', () => {
+    const html = renderRepoStep()
+
+    expect(html).not.toContain('Project already added')
+    expect(html).toContain('Open a folder')
+    expect(html).toContain('Clone a repo')
+  })
+})

src/renderer/src/components/onboarding/use-onboarding-flow.ts

@@ -88,6 +88,9 @@ export function useOnboardingFlow(
   const preflightStatusLoading = useAppStore((s) => s.preflightStatusLoading)
   const linearStatus = useAppStore((s) => s.linearStatus)
   const linearStatusChecked = useAppStore((s) => s.linearStatusChecked)
+  // Why: App hydrates repos before mounting onboarding. Reading the store
+  // synchronously lets the final step render its already-added state without a flash.
+  const repos = useAppStore((s) => s.repos)
 
   const initialStep = Math.min(Math.max(onboarding.lastCompletedStep, 0), STEPS.length - 1)
   const [stepIndex, setStepIndex] = useState(initialStep)
@@ -193,6 +196,7 @@ export function useOnboardingFlow(
 
   const detectedSet = useMemo(() => new Set(detectedAgentIds ?? []), [detectedAgentIds])
   const currentStep = STEPS[stepIndex]
+  const hasExistingProject = repos.length > 0
 
   // Why: refs let `setSelectedAgentInteractive` (a stable useCallback) read
   // the freshest detection snapshot at click time without re-rebinding the
@@ -634,6 +638,35 @@ export function useOnboardingFlow(
     }
   }, [busyLabel, cloneDestination, cloneUrl, completeRepo, settings])
 
+  const continueWithExistingProject = useCallback(
+    async (advancedVia: 'button' | 'keyboard' = 'button') => {
+      if (busyLabel !== null || currentStep.id !== 'repo' || repos.length === 0) {
+        return
+      }
+      setError(null)
+      setBusyLabel('Finishing...')
+      try {
+        const checklist = repos.some((repo) => isGitRepoKind(repo))
+          ? { addedRepo: true }
+          : { addedFolder: true }
+        const closed = await closeWith('completed', checklist, ONBOARDING_FINAL_STEP)
+        if (!closed) {
+          return
+        }
+        emitPendingTourOutcome()
+        track('onboarding_step_completed', {
+          step: ONBOARDING_FINAL_STEP,
+          value_kind: 'repo',
+          duration_ms: consumeStepDurationMs(),
+          advanced_via: advancedVia
+        })
+      } finally {
+        setBusyLabel(null)
+      }
+    },
+    [busyLabel, closeWith, consumeStepDurationMs, currentStep.id, emitPendingTourOutcome, repos]
+  )
+
   const skipToRepo = useCallback(async () => {
     if (busyLabel) {
       return
@@ -882,6 +915,7 @@ export function useOnboardingFlow(
     hasSelectedFeatureSetup,
     cloneUrl,
     setCloneUrl,
+    hasExistingProject,
     serverPath,
     setServerPath,
     cloneDestination,
@@ -901,6 +935,7 @@ export function useOnboardingFlow(
     back,
     jumpToStep,
     openFolder,
+    continueWithExistingProject,
     openSshSettings,
     clone
   }