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29 lines
1.9 KiB
Markdown
29 lines
1.9 KiB
Markdown
# Settings Window Fluent Shell Redesign
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## Goal
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Rebuild the settings window as an independent Fluent shell with a custom titlebar, titlebar hamburger menu, persistent side navigation, search, and Avalonia-standard system material support.
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## Requirements
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- Keep the existing independent settings-window lifecycle: open-or-focus, no owner anchor, own taskbar entry.
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- Use a 48 DIP titlebar with Back, pane toggle, icon/title, search, restart action, more menu, and caption-button spacer.
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- Keep the titlebar and content area on one shared full-window background layer; the custom titlebar must remain transparent and must not paint a contrasting strip.
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- Avoid a visible titlebar bottom divider that makes the titlebar read as a separate color band.
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- Keep `FANavigationView` as the primary navigation surface with `OpenPaneLength` around 283 DIP.
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- Keep `FANavigationView` pane and content template backgrounds transparent in the settings shell so the navigation control does not reintroduce a second surface color.
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- Move the compact/minimal pane toggle from the navigation footer into the titlebar.
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- Add search over built-in settings pages and settings expanders; selecting a result navigates, expands, focuses, and highlights.
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- Add `auto` system material mode and make it the default.
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- Implement material with Avalonia `TransparencyLevelHint` only.
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- Preserve settings page layout as direct `ScrollViewer -> StackPanel -> FASettingsExpander` content.
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- Follow `docs/VISUAL_SPEC.md`, `docs/CORNER_RADIUS_SPEC.md`, and `docs/ai/SETTINGS_WINDOW_DESIGN.md`.
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## Acceptance
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- `dotnet build LanMountainDesktop.slnx -c Debug` succeeds.
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- `dotnet test LanMountainDesktop.slnx -c Debug` succeeds or any unrelated failures are documented.
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- The settings window can navigate by sidebar, titlebar Back, titlebar pane toggle, and search.
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- Appearance settings expose Auto, None, Mica, and/or Acrylic according to system support.
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- Existing dirty user changes are not reverted.
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