Add validation for TemperatureDecimalDigits (0-2) in GeneralSettings.Validate()

Author: nopoz

ImmichFrame.WebApi/Helpers/Config/ServerSettingsV1.cs

@@ -128,6 +128,14 @@ class GeneralSettingsV1Adapter(ServerSettingsV1 _delegate) : IGeneralSettings
         public string Layout => _delegate.Layout;
         public string Language => _delegate.Language;
 
-        public void Validate() { }
+        public void Validate()
+        {
+            if (TemperatureDecimalDigits < 0 || TemperatureDecimalDigits > 2)
+            {
+                throw new ArgumentOutOfRangeException(nameof(TemperatureDecimalDigits),
+                    TemperatureDecimalDigits,
+                    "TemperatureDecimalDigits must be between 0 and 2.");
+            }
+        }
     }
 }

ImmichFrame.WebApi/Models/ServerSettings.cs

@@ -72,7 +72,15 @@ public class GeneralSettings : IGeneralSettings, IConfigSettable
     public string? Webhook { get; set; }
     public string? AuthenticationSecret { get; set; }
 
-    public void Validate() { }
+    public void Validate()
+    {
+        if (TemperatureDecimalDigits < 0 || TemperatureDecimalDigits > 2)
+        {
+            throw new ArgumentOutOfRangeException(nameof(TemperatureDecimalDigits),
+                TemperatureDecimalDigits,
+                "TemperatureDecimalDigits must be between 0 and 2.");
+        }
+    }
 }
 
 public class ServerAccountSettings : IAccountSettings, IConfigSettable