Support signed power point affixes

src/RolemasterDb.App/Components/Shared/AffixBadgeList.razor

@@ -3,6 +3,7 @@
 @using System.Diagnostics.CodeAnalysis
 @using RolemasterDb.App.Domain
 @using RolemasterDb.App.Features
+@using PowerPointModifierNotation = RolemasterDb.CriticalParsing.PowerPointModifierNotation
 
 @if (EffectiveEffects.Count > 0)
 {
@@ -61,7 +62,7 @@
             CriticalEffectCodes.DirectHits => $"+{effect.ValueInteger?.ToString() ?? string.Empty}",
             CriticalEffectCodes.FoePenalty
                 or CriticalEffectCodes.AttackerBonusNextRound => effect.Modifier?.ToString() ?? string.Empty,
-            CriticalEffectCodes.PowerPointModifier => effect.ValueExpression ?? string.Empty,
+            CriticalEffectCodes.PowerPointModifier => PowerPointModifierNotation.FormatSignedExpression(effect.ValueExpression) ?? string.Empty,
             _ => effect.ValueInteger?.ToString()
                   ?? effect.Modifier?.ToString()
                   ?? effect.ValueExpression

src/RolemasterDb.App/Features/CriticalQuickNotationFormatter.cs

@@ -1,4 +1,5 @@
 using System.Text.RegularExpressions;
+using RolemasterDb.CriticalParsing;
 
 namespace RolemasterDb.App.Features;
 
@@ -72,25 +73,10 @@ public static class CriticalQuickNotationFormatter
 
     private static string? FormatPowerPointModifier(string? valueExpression, string? sourceText)
     {
-        var expression = CollapseWhitespace(valueExpression);
-        if (string.IsNullOrWhiteSpace(expression))
-        {
-            return sourceText;
-        }
-
-        expression = expression.Trim();
-        if (expression.StartsWith('+'))
-        {
-            expression = expression[1..];
-        }
-
-        if (expression.StartsWith('(') && expression.EndsWith(')') && expression.Length > 2)
-        {
-            expression = expression[1..^1].Trim();
-        }
-
-        expression = Regex.Replace(expression, @"\s+", string.Empty);
-        return $"+{expression}pp";
+        var expression = PowerPointModifierNotation.FormatSignedExpression(valueExpression);
+        return string.IsNullOrWhiteSpace(expression)
+            ? sourceText
+            : $"{expression}pp";
     }
 
     private static string CollapseWhitespace(string? value) =>