From fbb089cab20c29f100170ddddf896ba46f96fd04 Mon Sep 17 00:00:00 2001
From: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
Date: Wed, 26 Aug 2026 21:47:11 -0300
Subject: [PATCH] docs(legal): add pinned MIT third-party notices

---
 THIRD_PARTY_NOTICES.md                        | 56 +++++++++++++++++++
 .../maintenance/00000-third-party-notices.md  |  1 +
 2 files changed, 57 insertions(+)
 create mode 100644 changelog.d/maintenance/00000-third-party-notices.md

diff --git a/THIRD_PARTY_NOTICES.md b/THIRD_PARTY_NOTICES.md
index 45fcfed7bd..7a8b02445b 100644
--- a/THIRD_PARTY_NOTICES.md
+++ b/THIRD_PARTY_NOTICES.md
@@ -24,3 +24,59 @@ NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPO
 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
 OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+## blackwell-systems/gcf-typescript
+
+The generic-profile codec in
+`open-sse/services/compression/engines/headroom/gcf/{decode_generic,generic,index,scalar}.ts`
+is adapted from
+[`blackwell-systems/gcf-typescript`](https://github.com/blackwell-systems/gcf-typescript/tree/00972f2dc781477eb6d369e62edfe03ad4112a07),
+commit `00972f2dc781477eb6d369e62edfe03ad4112a07`. The license below is reproduced
+from that commit's
+[`LICENSE`](https://github.com/blackwell-systems/gcf-typescript/blob/00972f2dc781477eb6d369e62edfe03ad4112a07/LICENSE).
+
+MIT License
+
+Copyright (c) 2026 Dayna Blackwell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+associated documentation files (the "Software"), to deal in the Software without restriction,
+including without limitation the rights to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
+OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+## lipis/flag-icons
+
+The country flag SVGs in `docs/assets/flags/` are copied from the `flags/4x3/` directory of
+[`lipis/flag-icons`](https://github.com/lipis/flag-icons/tree/086f7e97d657358203916dbe84f61c2bccaa81eb),
+commit `086f7e97d657358203916dbe84f61c2bccaa81eb`. The license below is reproduced
+from that commit's
+[`LICENSE`](https://github.com/lipis/flag-icons/blob/086f7e97d657358203916dbe84f61c2bccaa81eb/LICENSE).
+
+The MIT License (MIT)
+
+Copyright (c) 2013 Panayiotis Lipiridis
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+associated documentation files (the "Software"), to deal in the Software without restriction,
+including without limitation the rights to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
+OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/changelog.d/maintenance/00000-third-party-notices.md b/changelog.d/maintenance/00000-third-party-notices.md
new file mode 100644
index 0000000000..976341e4e6
--- /dev/null
+++ b/changelog.d/maintenance/00000-third-party-notices.md
@@ -0,0 +1 @@
+- **docs(legal):** centralize pinned MIT notices for the vendored GCF codec and local flag assets