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27 lines
1.4 KiB
Markdown
27 lines
1.4 KiB
Markdown
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# Air APP Whiteboard
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## Goal
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Allow the built-in whiteboard desktop components to open a full-screen Air APP that runs in `LanMountainDesktop.AirAppHost` and reuses the same persisted whiteboard note as the source component instance.
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## Scope
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- Add a toolbar surface-mode button to `WhiteboardWidget`.
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- In component mode, the button opens the `whiteboard` Air APP through `IAirAppLauncherService`.
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- In Air APP mode, the same button saves the current note and closes the Air APP window.
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- `DesktopWhiteboard` and `DesktopBlackboardLandscape` share the same mechanism and keep using their component id plus placement id as the note identity.
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- `LanMountainDesktop.AirAppHost` may reference the host assembly to reuse built-in UI controls, but the host app must not reference AirAppHost as a normal assembly dependency.
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## Out of Scope
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- Third-party Air APP SDK declarations.
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- Whiteboard feature rewrites or alternate whiteboard persistence.
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- Taskbar minimization behavior; v1 closes the Air APP window when the user exits from the bottom toolbar.
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## Acceptance
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- Building the main app also builds and copies `LanMountainDesktop.AirAppHost` output.
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- Clicking the whiteboard toolbar full-screen button launches a separate AirAppHost process.
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- Repeated opens of the same whiteboard component instance activate the existing process instead of spawning duplicates.
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- Closing and reopening the Air APP keeps the same whiteboard contents.
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