Update Deck Shelves to v2.3.0

[santojon]

Changes since 2.0.0

• Added

  • Hero art behind shelves. Each shelf (regular or smart) has an "Enable hero art" toggle in the edit modal's Visual tab — turn it on and the focused game's artwork appears behind that shelf, following it wherever it sits. A new global toggle in the QAM (Visual section) turns hero art on for every shelf at once.
  • Cloud-play sub-toggle for the online shelves (QAM Online Features + Edit Shelf modal). Cloud-only catalogue entries — like Xbox Cloud Gaming games surfaced via Unifideck's Microsoft Store integration — are now kept visible on your wishlist / store-on-sale shelves by default, even with "Include non-Steam shortcuts" on. Locally-installed non-Steam games (Epic / GOG / Amazon / Ubisoft) still count as owned. Flip the new sub-toggle on if you want cloud-only entries treated as owned too.
  • Theme integration for shelves. Themes installed via CSS Loader now reach Deck Shelves' promoted shelves automatically: No Hero Gradient clears the hero mask; Hero Fullscreen / Art Hero FullBG snaps the shelf to 100vh with the hero filling the screen; No Home Text hides DS card labels (only under "Force CSS Loader themes"). Transparency Tweaks dims unfocused card portraits; Round / More Round rounds the NEW and discount tags.
  • "Force CSS Loader themes" only shows when CSS Loader is installed. No more dead toggle on devices without the plugin.
  • Focus Highlight Color theme support. Install the theme and Deck Shelves auto-adjusts: with Round Compatibility enabled, DS card focus disappears (matching the theme's native behaviour); without it, the colored animated outline shows behind the NEW / discount badge with a clean 1 px gap on every side.
  • Game Cover Shine Animation Color theme support. The shine sweep on focus reaches Deck Shelves cards automatically — no extra configuration needed.
  • NEW / discount badges always on top. Badges now render in a separate overlay above the entire UI, so they stay in front of theme focus rings and other Steam overlays no matter the theme combination.

• Changed

  • The Edit Shelf modal "found X games" count and preview now match the rendered shelf. Toggling per-shelf "Ignore games I own" or the new cloud-play sub-toggle inside the modal updates both immediately.

• Fixed

  • Hero art briefly flashing then vanishing as you d-pad between cards (with the "Force themes" toggle OFF). Smoothed out.
  • Inter-shelf hero blending refined. With recents hidden, the first DS shelf's hero reaches the top of the screen, and the transition into the second shelf has a subtler fade. With native recents visible, the first DS shelf hero overlaps native with a smoother fade instead of a black band between the two arts.
  • D-pad up no longer makes the home flicker / reload. Pressing up from the top shelf used to dip into the hidden Recents row and jolt the screen — focus now stays on your shelves.
  • No more flash of reloading shelves on the first move after a Steam restart.
  • Leaving a shelf keeps the last game's hero art instead of snapping back to the first game.
  • Highlighted-card size and TiltedHome card spacing are correct again with "Match native card size" on.
  • Refresh works on smart shelf cards from the long-press / Menu context menu.

Task Checklist

Developer

• I am the original author or an authorized maintainer of this plugin.
• I have abided by the licenses of the libraries I am utilizing, including attaching license notices where appropriate.

Plugin

• I have verified that my plugin works properly on the Stable and Beta update channels of SteamOS.
• I have verified my plugin is unique or provides more/alternative functionality to a plugin already on the store.

Backend

• No: I am using a custom backend other than Python.
• No: I am using a tool or software from a 3rd party FOSS project that does not have it's dependencies statically linked.
• No: I am using a custom binary that has all of it's dependencies statically linked.

Community

• I have tested and left feedback on two other pull requests for new or updating plugins.
• I have commented links to my testing report in this PR.

Testing

• Tested by a third party on SteamOS Stable or Beta update channel.

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