diff --git a/.gitignore b/.gitignore
index 756977c..cfc8fb4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,3 +51,8 @@ Thumbs.db
 
 # --- Logs ---
 *.log
+
+# --- Artefacts iCal temporaires ---
+# Ignorer les exports iCal temporaires (peuvent contenir des jetons ou données scolaires).
+# Les fixtures iCal anonymisées (M13) restent suivies car elles ne correspondent pas au suffixe *.tmp.ics.
+*.tmp.ics
diff --git a/.secrets.baseline b/.secrets.baseline
index 4d590f9..7dec68a 100644
--- a/.secrets.baseline
+++ b/.secrets.baseline
@@ -139,7 +139,8 @@
         "type": "Hex High Entropy String",
         "filename": "GUIDE_DEV_PYTHON.md",
         "hashed_secret": "90bd1b48e958257948487b90bee080ba5ed00caa",
-        "is_verified": false,
+        "is_secret": false,
+        "is_verified": true,
         "line_number": 5112
       }
     ]
diff --git a/pyproject.toml b/pyproject.toml
index 32e4735..cc94a22 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "pronote-sync"
 version = "0.1.0"
 description = "Synchronisation Pronote → CalDAV + XMPP"
 license = {text = "MIT"}
-requires-python = ">=3.13"
+requires-python = ">=3.13.5"
 authors = [
     {name = "Votre Nom", email = "votre@email.com"}
 ]
diff --git a/tests/unit/__init__.py b/tests/unit/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/unit/test_smoke.py b/tests/unit/test_smoke.py
new file mode 100644
index 0000000..7e9a04a
--- /dev/null
+++ b/tests/unit/test_smoke.py
@@ -0,0 +1,16 @@
+"""Test de fumée : vérifie que le package est importable.
+
+Ce test garantit que ``pytest`` collecte au moins un test et retourne 0,
+satisfaisant le critère d'acceptation de M1. Les tests détaillés relèvent
+de M13.
+"""
+
+import pronote_sync
+
+
+def test_package_importable() -> None:
+    """Vérifie que le package ``pronote_sync`` est importable sans erreur.
+
+    :return: None
+    """
+    assert pronote_sync is not None