Two reviewer-facing additions consolidated into one commit:
(1) New `quality-gates` job in .gitea/workflows/cpp-tests.yml
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Runs in parallel with test-cgal after test-fast. Installs
`codespell` + `shellcheck` (apt) into the existing ci-cpp container,
then executes four scripts strictly (exit 1 on any finding):
* license-headers.sh — 66/66 files carry SPDX MIT
* cgal-conventions.py — 0 violations across 6 CGAL public headers
* codespell.sh — 0 typos across docs + source + scripts
* shellcheck.sh — 0 findings across 16 shell scripts
Each ran at 0 findings locally before promotion. Total wall-time
on the eulernest runner: ~30 s.
(2) New code/deps/THIRD-PARTY-LICENSES.md
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Enumerates every vendored dep under code/deps/, plus auto-fetched
GoogleTest, plus system-required Boost, with:
* upstream project + version + SPDX identifier
* compatibility note for MIT distribution
* downstream-packager license matrix (header-only consumer vs
CLI binary) clarifying the LGPL §3 vs §4 distinction
Required for any future Linux-distribution packaging and for the
CGAL submission's compliance check.
Also fixes a `code/.gitignore` gap: the `deps/*` wildcard was
catching the new file; added `!deps/THIRD-PARTY-LICENSES.md` to
the exclusion list so it's actually tracked.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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