Fix buoy icon fallback mapping in 20nm final style

src/pbf/navsea-compare-karatsu-20nm.html

@@ -334,7 +334,7 @@
         deliveryPaneLabel: "最终 release style + 唐津 20 海里 final PBF",
         deliveryStyleUrl: "./domain/style.navsea-delivery-karatsu-20nm-final.json",
         deliveryTileUrl: "http://192.168.200.184/pbf-delivery-karatsu-20nm-final/{z}/{x}/{y}.pbf",
-        deliveryStyleVersion: "karatsu-final-style-r12-20260401-1746",
+        deliveryStyleVersion: "karatsu-final-style-r13-20260402-0050",
         deliveryPbfVersion: "karatsu-final-pbf-20nm-20260402-0032",
         deliveryStyleFile: "style.navsea-delivery-karatsu-20nm-final.json",
         deliveryPbfName: "pbf-delivery-karatsu-20nm-final",

src/pbf/style.navsea-delivery-karatsu-20nm-final.json

@@ -1851,6 +1851,33 @@
             "灯 (Lt)"
           ],
           "symbol-daytime-303",
+          [
+            "==",
+            [
+              "get",
+              "canonical_object_type"
+            ],
+            "浮標 (やぐら型)"
+          ],
+          "symbol-daytime-327",
+          [
+            "==",
+            [
+              "get",
+              "canonical_object_type"
+            ],
+            "円柱型浮標"
+          ],
+          "symbol-daytime-323",
+          [
+            "==",
+            [
+              "get",
+              "canonical_object_type"
+            ],
+            "円筒型浮標"
+          ],
+          "symbol-daytime-325",
           [
             "coalesce",
             [