From bf22535f612686c511b414d49a834f0701f2173a Mon Sep 17 00:00:00 2001
From: Mortifia <mortifia@users.noreply.github.com>
Date: Wed, 15 Jul 2026 04:22:51 +0200
Subject: [PATCH 1/2] ci: bloque les trailers de co-auteur IA sur les commits
MIME-Version: 1.0
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Vérifie chaque commit d'une PR (et le HEAD d'un push direct sur
main/master) pour un trailer Co-authored-by mentionnant un outil IA
(Claude, Copilot, ChatGPT...) et échoue le check si trouvé.
---
 .github/workflows/no-ai-coauthor.yml | 36 ++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 .github/workflows/no-ai-coauthor.yml

diff --git a/.github/workflows/no-ai-coauthor.yml b/.github/workflows/no-ai-coauthor.yml
new file mode 100644
index 0000000..8a200b7
--- /dev/null
+++ b/.github/workflows/no-ai-coauthor.yml
@@ -0,0 +1,36 @@
+name: No AI co-author
+
+on:
+  pull_request:
+  push:
+    branches: [main, master]
+
+jobs:
+  check-commits:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Refuse AI co-author trailers (PR commits)
+        if: github.event_name == 'pull_request'
+        run: |
+          set -euo pipefail
+          bad=0
+          for sha in $(git log --format='%H' "origin/${{ github.event.pull_request.base.ref }}..HEAD"); do
+            if git log -1 --format='%B' "$sha" | grep -iqE '^co-authored-by:.*(claude|anthropic|copilot|chatgpt|openai|gemini|codex)'; then
+              echo "::error::Commit $sha has an AI co-author trailer — not allowed in this repo."
+              bad=1
+            fi
+          done
+          exit $bad
+
+      - name: Refuse AI co-author trailers (direct push)
+        if: github.event_name == 'push'
+        run: |
+          set -euo pipefail
+          if git log -1 --format='%B' HEAD | grep -iqE '^co-authored-by:.*(claude|anthropic|copilot|chatgpt|openai|gemini|codex)'; then
+            echo "::error::HEAD commit has an AI co-author trailer — not allowed in this repo."
+            exit 1
+          fi

From 37628a3e0a7ba3a1c499ffc026f0dc67e37e28e9 Mon Sep 17 00:00:00 2001
From: Mortifia <mortifia@users.noreply.github.com>
Date: Wed, 15 Jul 2026 04:27:46 +0200
Subject: [PATCH 2/2] =?UTF-8?q?ci:=20restreint=20GITHUB=5FTOKEN=20=C3=A0?=
 =?UTF-8?q?=20contents:read=20(relev=C3=A9=20par=20CodeQL)?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .github/workflows/no-ai-coauthor.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/no-ai-coauthor.yml b/.github/workflows/no-ai-coauthor.yml
index 8a200b7..f0c6176 100644
--- a/.github/workflows/no-ai-coauthor.yml
+++ b/.github/workflows/no-ai-coauthor.yml
@@ -5,6 +5,9 @@ on:
   push:
     branches: [main, master]
 
+permissions:
+  contents: read
+
 jobs:
   check-commits:
     runs-on: ubuntu-latest