Android was the last client on its own settings map (Display / Audio /
Controls / Interface / About) while the desktop and Apple clients had
converged on General / Display / Input / Audio / Controllers / About with
sub-sections inside each. Same settings, six different mental models is
five too many, and the profile scope switcher A4 adds hangs off exactly
this structure.
So: the shared category map, the sub-section headers the desktop clients
group by ("Resolution" / "Quality" / "Decoding" / "Host output"), and the
`described()` idiom — `SettingDropdown` gained a `caption` parameter, so a
dropdown's explanation belongs to the dropdown instead of floating as a
loose paragraph two rows below it. The only form-level notes left are the
two "applies from the next session" footers, one per affected category,
matching the decision Apple made.
About finally names the app and its version, the way the WinUI and Apple
About pages do.
`SettingsScreen` takes an optional `initialCategory` so the screenshot
harness can capture a category page — the headers, the captions and the
footers only exist inside one, so the root shot alone couldn't catch a
regression in them. Two new Roborazzi scenes (Display, Input) use it.
enricobuehler
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