Merge Paris and Lille photo highlights

scripts/tests/test_photo_highlights.py

@@ -65,6 +65,8 @@ COLLECTIONS = [
         "Belfast_000512350018.jpg",
     ]),
 ]
+PARIS = "85a558a3fcf582e6f0637d6927bb5a074de422f30a389ab9589630b9c163fc0e"
+PARIS_LILLE = "e013523e4dda324d603c89f93ef3e83abbcd82cb11a16f85e53b670e8613d34f"
 
 
 class PhotoHighlightTests(unittest.TestCase):
@@ -106,6 +108,24 @@ class PhotoHighlightTests(unittest.TestCase):
             self.assertEqual([filename for _, filename in records], filenames)
             self.assertEqual(len({date for date, _ in records}), len(filenames))
 
+    def test_paris_and_lille_is_one_contiguous_highlight(self):
+        records = []
+        anchors = []
+        for job, count in ((PARIS_LILLE, 13), (PARIS, 10)):
+            for index in range(count):
+                path = ART / f"2026-09-19-photo-{job}-{index:02}.md"
+                content = path.read_text()
+                date = re.search(r'^date: "([^"]+)"', content, re.MULTILINE)
+                records.append((datetime.fromisoformat(date.group(1)), job, index))
+                anchors.extend(re.findall(r'^anchor: "([^"]+)"', content, re.MULTILINE))
+        records.sort(reverse=True)
+        self.assertEqual([(job, index) for _, job, index in records],
+                         [(PARIS_LILLE, index) for index in range(13)] +
+                         [(PARIS, index) for index in range(10)])
+        self.assertEqual(anchors, ["Paris & Lille"])
+        former_paris = (ART / f"2026-09-19-photo-{PARIS}-00.md").read_text()
+        self.assertIn(f'<div id="photo-{PARIS}"></div>', former_paris)
+
 
 if __name__ == "__main__":
     unittest.main()