Enhance hair color handling in AIImages by adding support for hair color genes in PawnAppearanceData. Update ColorDescriptionService to prioritize gene-based hair color descriptions, improving character appearance representation. Refactor related services to utilize new hair color logic.

Source/AIImages/Models/PawnAppearanceData.cs

@@ -16,6 +16,7 @@ namespace AIImages.Models
         public string BodyType { get; set; }
         public Color SkinColor { get; set; }
         public List<string> SkinColorGeneDefNames { get; set; }
+        public List<string> HairColorGeneDefNames { get; set; }
         public string HairStyle { get; set; }
         public string HairDefName { get; set; }
         public Color HairColor { get; set; }
@@ -27,6 +28,7 @@ namespace AIImages.Models
             Traits = new List<Trait>();
             Apparel = new List<ApparelData>();
             SkinColorGeneDefNames = new List<string>();
+            HairColorGeneDefNames = new List<string>();
         }
     }