## Summary
App mode now uses the same sidenav as the graph view instead of its own
custom navigation, and switching between modes happens through a new
animated graph/app toggle shared by both views.
## Changes
- **What**:
- LinearView hosts the standard `SideToolbar`, filtered to the Assets
and Apps tabs via new `visibleTabIds`/`forceConnected` props. The
bottom-panel and shortcut toggles hide in app mode, and
GraphCanvas/SubgraphBreadcrumb hide their instances so only one toolbar
and toggle render at a time.
- The workflow actions dropdown trigger is now a two-segment graph/app
toggle: the inactive segment switches modes directly, the active one
opens the actions menu as before, with a FLIP animation on switch.
- Each view renders its own toggle, so switching unmounts one and mounts
the other. A `displayLinearMode` ref in canvasStore trails `linearMode`
by two frames so the incoming toggle animates from the old mode instead
of popping in already-switched.
- AppModeToolbar slims down to the toggle plus a "Build an app" button;
the per-icon Assets/Apps/Share buttons are covered by the sidenav.
- The Apps tab gains "Create" header and empty-state actions wired to
`Comfy.NewBlankWorkflow`.
- App-mode feedback moves into `SidebarHelpCenterIcon` as a Typeform
popover with a load-error fallback, replacing `TypeformPopoverButton`
and `LinearFeedback` and simplifying LinearPreview to a single
`OutputHistory`.
- Tests for the toggle, sidebar tabs, help-center fallback, preview, and
view; screenshots regenerated.
## Review Focus
- The two-frame `displayLinearMode` lag — timing-sensitive; rapid
toggling cancels the pending frame chain so the wrong mode never
flashes.
- `SideToolbar` now serves both views: confirm only one instance renders
and the new props behave.
## Screenshots (if applicable)
https://github.com/user-attachments/assets/9ad1eb4f-9370-4975-b3f1-b271482f2bf7
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Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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