When a game appears as both a Steam manifest and an XDG
desktop entry, drop the desktop duplicate. Steam entries are
preferred because they carry cover artwork and route through
the Steam launcher for Proton compatibility.
Grid tiles now show Steam library artwork when available,
falling back to icon+label for games without cover art.
Cell proportions adjusted to 2:3 for portrait covers.
Search bar filters the library by name. Source tabs filter
by All/Steam/Desktop. Both properties live in C++ so QML
just binds filterString and sourceFilter.
"Continue Playing" row shows the last 5 launched games
with artwork, persisted across sessions via plasmamobilerc.
Remove orphaned GameTile.qml (replaced by inline delegate).
SDL3-backed gamepad manager polls at 60Hz, handles hotplug,
exposes battery/rumble/LED per device. Game launcher aggregates
XDG desktop entries, Steam appmanifests, and Flatpak into a
single sorted model.
Game Center uses the new model instead of folio's search model.
D-pad/A/B/Y navigate and launch. Guide button toggles the
overlay. Battery and controller status shown in the HUD.
