Fix MinimalApi to resolve authorization services per-request

- Resolve ICommandAuthorizationService and IQueryAuthorizationService from request-scoped serviceProvider
- Allows Scoped authorization services that depend on DbContext
- Updated both MinimalApi and DynamicQuery.MinimalApi

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Svrnty.CQRS.Grpc.Generators/ProtoTypeMapper.cs

@@ -159,7 +159,10 @@ internal static class ProtoFileTypeMapper
     }
 
     /// <summary>
-    /// Converts C# PascalCase property name to proto snake_case field name
+    /// Converts C# PascalCase property name to proto snake_case field name.
+    /// Uses simple conversion: add underscore before each uppercase letter (except first).
+    /// This matches protobuf's C# codegen expectations for PascalCase conversion.
+    /// Example: TotalADeduire -> total_a_deduire -> TotalADeduire (in generated C#)
     /// </summary>
     public static string ToSnakeCase(string pascalCase)
     {
@@ -174,16 +177,8 @@ internal static class ProtoFileTypeMapper
             var c = pascalCase[i];
             if (char.IsUpper(c))
             {
-                // Handle sequences of uppercase letters (e.g., "APIKey" -> "api_key")
-                if (i + 1 < pascalCase.Length && char.IsUpper(pascalCase[i + 1]))
-                {
-                    result.Append(char.ToLowerInvariant(c));
-                }
-                else
-                {
-                    result.Append('_');
-                    result.Append(char.ToLowerInvariant(c));
-                }
+                result.Append('_');
+                result.Append(char.ToLowerInvariant(c));
             }
             else
             {