Docs: GPL-3.0-or-later (creator ruling); AI-generated scene backgrounds + alert video are GPL placeholders, not reserved; TASK 51 UI spec — Remove/Blur as radio-exclusive pill switches in the webcam's Layers properties (Unit: license follow-up + bg-effects UI spec)

ai.md

@@ -1663,13 +1663,15 @@ skip (would spam every launch). Still modal by design: SocialsDialog's slot-dele
 
 ### Licensing — do not violate (GPL-3.0 open source since 2026-10-09; see `LICENSE`, `ADDITIONAL-TERMS.md`, `THIRD-PARTY-NOTICES.txt`)
 
-**LlamaCasty is free software under GPL-3.0-only** (creator ruling 2026-10-09 — free forever, public
+**LlamaCasty is free software under GPL-3.0-or-later** (creator rulings 2026-10-09 — free forever, public
 repo, "GPL-3 with attribution"). Copyright (C) 2026 Gramps. `ADDITIONAL-TERMS.md` carries the three
 §7 terms: **7(b)** every copy keeps "Based on LlamaCasty by Gramps — https://llamacasty.com" in its
 About screen; **7(c)** modified versions are marked and renamed; **7(e)** no trademark rights. The
 **icon + logo files** (`Assets/llamacasty-icon.png/.ico`, `Assets/llamacasty-logo.jpg`) are **all
 rights reserved, outside the GPL** — verbatim copies may carry them, forks must replace them (this is
-what keeps the merch brand protected). `LICENSE` + `ADDITIONAL-TERMS.md` ship beside the exe
+what keeps the merch brand protected). The scene backgrounds + default alert video are AI-generated
+**placeholders** (creator: made "with the intent of individual creators to immediately replace with
+their own images") — they go out under the GPL with the code, no reservation. `LICENSE` + `ADDITIONAL-TERMS.md` ship beside the exe
 (csproj `None` items); the About panel shows `THIRD-PARTY-NOTICES.txt`, whose header carries the
 LlamaCasty license notice (GPL §5(d) "Appropriate Legal Notices"). **Source offer (§6):** the public
 repo URL — add it to the notices header + README the day the repo goes public.