Restore 20nm final detail symbols

navsea_tile_builder.py

@@ -55,6 +55,7 @@ LIGHT_COLOR_REMARK_MAP = {
 FINAL_RELEASE_PROPERTY_ALLOWLIST = frozenset(
     {
         "canonical_object_type",
+        "class_code",
         "chart_fill_pattern",
         "chart_fill_style",
         "chart_icon_image",
@@ -67,6 +68,7 @@ FINAL_RELEASE_PROPERTY_ALLOWLIST = frozenset(
         "chart_text_color",
         "chart_text_style",
         "depth_value_m",
+        "display_code",
         "least_depth_m",
         "light_color_code",
         "light_sector_mode",
@@ -880,6 +882,8 @@ class NavSeaTileBuilder:
 
             if not self.strip_legacy_japanese_delivery:
                 normalized[key] = value
+            if self.release_minimal and rule.field_name_std in {"class_code", "display_code"}:
+                normalized[rule.field_name_std] = value
             if rule.keep_in_delivery:
                 normalized[rule.field_name_std] = value