License: LlamaCasty is GPL-3.0-only with section 7 terms (attribution, rename modified versions, no trademark rights); icon + logo all rights reserved; LICENSE + ADDITIONAL-TERMS ship beside the exe; notices + ai.md rewritten off the paid/closed-source framing (Unit: GPL-3.0 licensing)

README.md

@@ -72,3 +72,18 @@ the paid tier only removes the branding flash.
 
 `schema.md` defines the conventions; `ai.md` is the AI/session guide;
 `TASKS.md` is the task queue. Each code directory carries an `index.md`.
+
+## License
+
+LlamaCasty is free software, released under the **GNU General Public License v3.0**
+([`LICENSE`](LICENSE)) with three additional terms permitted by GPL-3.0 section 7
+([`ADDITIONAL-TERMS.md`](ADDITIONAL-TERMS.md)):
+
+- **Keep the credit** — any copy, modified or not, shows "Based on LlamaCasty by Gramps —
+  https://llamacasty.com" in its About screen.
+- **Rename your fork** — modified versions are marked as modified and use a different name.
+- **No trademark rights** — the LlamaCasty name and llama logo aren't licensed. The icon and logo
+  files are all rights reserved and aren't covered by the GPL.
+
+Bundled third-party components keep their own licenses: see
+[`THIRD-PARTY-NOTICES.txt`](THIRD-PARTY-NOTICES.txt).