Merge photo highlights by name and capture year

scripts/tests/test_photo_highlights.py

@@ -83,10 +83,24 @@ class PhotoHighlightTests(unittest.TestCase):
         records.sort(reverse=True)
         grouped = [record for record in records if record[1] in ARMENIA + ROMANIA]
         self.assertEqual([record[1] for record in grouped], ROMANIA + ARMENIA)
-        self.assertEqual(grouped[0][2], "Romania")
-        self.assertEqual(grouped[9][2], "Armenia")
+        # Newer uploads now own the one link for each name/year.
+        self.assertIsNone(grouped[0][2])
+        self.assertIsNone(grouped[9][2])
         self.assertIn("Transmission of Flesh by Erfan Ashourioun", grouped[11][3])
 
+    def test_iran_and_armenia_have_one_link_each_in_2026(self):
+        for name in ("Iran", "Armenia"):
+            anchors = []
+            for path in ART.glob("2026-*.md"):
+                content = path.read_text()
+                if f'anchor: "{name}"' in content:
+                    anchors.append(path)
+            self.assertEqual(len(anchors), 1, (name, anchors))
+        iran = next(path for path in ART.glob("2026-*.md")
+                    if 'anchor: "Iran"' in path.read_text())
+        self.assertIn("0b1781e580e6d0852728b6aab4f45f0eded30394ea8ff74d9d7ce8ae326bd172",
+                      iran.name)
+
     def test_2026_highlights_follow_supplied_chronology(self):
         anchors = {}
         for path in ART.glob("*photo-*.md"):