fix(ui): match retail item appraisal semantics

Preserve PublicWeenieDesc hook identity from CreateObject through the item model so hook appraisals suppress sentinel capacities exactly. Use appraisal-only Value and Burden presence, retain AddItemInfo paragraph and authored font-color selection, and port retail lock, page, enchantment, and spell-block formatting.

Co-authored-by: Codex <codex@openai.com>

src/AcDream.App/UI/Layout/ElementReader.cs

@@ -385,4 +385,38 @@ public static class ElementReader
             }
         }
     }
+
+    /// <summary>
+    /// Resolves an authored color or color-array property after the retail
+    /// DirectState/default-state inheritance rules have been applied.
+    /// </summary>
+    internal static Vector4[] ReadEffectiveColorPalette(
+        ElementInfo info,
+        uint propertyId)
+    {
+        ArgumentNullException.ThrowIfNull(info);
+        if (!info.TryGetEffectiveProperty(propertyId, out UiPropertyValue value))
+            return [];
+
+        IEnumerable<UiPropertyValue> entries = value.Kind switch
+        {
+            UiPropertyKind.Color => [value],
+            UiPropertyKind.Array => value.ArrayValue,
+            _ => [],
+        };
+
+        return entries
+            .Where(entry => entry.Kind == UiPropertyKind.Color)
+            .Select(entry =>
+            {
+                UiColorValue color = entry.ColorValue;
+                float alpha = color.Alpha == 0 ? 1f : color.Alpha / 255f;
+                return new Vector4(
+                    color.Red / 255f,
+                    color.Green / 255f,
+                    color.Blue / 255f,
+                    alpha);
+            })
+            .ToArray();
+    }
 }