fix error details

[jsneedles]

Adds reference ID to error details and makes the ValidationError shape correct

[github-actions]

Test results

89 tests   89 ✅  0s ⏱️
 1 suites   0 💤
 1 files     0 ❌

Results for commit 8d765ac.

[github-actions]

Test results

89 tests   89 ✅  0s ⏱️
 1 suites   0 💤
 1 files     0 ❌

Results for commit 8d765ac.

[github-actions]

Benchmark Results

HtmlCssToImage.Benchmarks.Benchmarks.HmacBenchmark

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 3.08GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.201
  [Host]  : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v3
  .NET 10 : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v3

Job=.NET 10  EnvironmentVariables=DOTNET_TieredPGO=0  Runtime=.NET 10.0  
Server=True  MaxIterationCount=20  MaxWarmupIterationCount=5  
MinWarmupIterationCount=2  

Method	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
Hmac_Standard_Instance	1.990 μs	0.0009 μs	0.0007 μs	1.00	0.0648	696 B	1.00
HCTI_HmacToken_Optimized	1.823 μs	0.0044 μs	0.0039 μs	0.92	0.0134	152 B	0.22

HtmlCssToImage.Benchmarks.Benchmarks.MakeAuthHeaderBenchmark

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz (Max: 2.79GHz), 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.201
  [Host]  : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v4
  .NET 10 : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v4

Job=.NET 10  EnvironmentVariables=DOTNET_TieredPGO=0  Runtime=.NET 10.0  
Server=True  MaxIterationCount=20  MaxWarmupIterationCount=5  
MinWarmupIterationCount=2  

Method	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Allocated	Alloc Ratio
AuthHeader_Standard_StringFormat	101.54 ns	3.043 ns	3.505 ns	1.00	0.05	0.0367	376 B	1.00
HCTI_AuthHeader_Optimized	78.42 ns	1.600 ns	1.712 ns	0.77	0.03	0.0221	168 B	0.45

HtmlCssToImage.Benchmarks.Benchmarks.QueryStringEncoderBenchmark

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.201
  [Host]  : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v4
  .NET 10 : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v4

Job=.NET 10  EnvironmentVariables=DOTNET_TieredPGO=0  Runtime=.NET 10.0  
Server=True  MaxIterationCount=20  MaxWarmupIterationCount=5  
MinWarmupIterationCount=2  

Method	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
BuiltIn_HttpUtility	888.7 ns	4.55 ns	4.25 ns	1.00	0.2947	2976 B	1.00
HCTI_QueryStringEncoder	892.2 ns	6.05 ns	5.66 ns	1.00	0.2842	744 B	0.25

HtmlCssToImage.Benchmarks.Benchmarks.TemplateListUrlBenchmark

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.201
  [Host]  : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v3
  .NET 10 : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v3

Job=.NET 10  EnvironmentVariables=DOTNET_TieredPGO=0  Runtime=.NET 10.0  
Server=True  MaxIterationCount=20  MaxWarmupIterationCount=5  
MinWarmupIterationCount=2  

Method	templateId	nextPageStart	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Allocated	Alloc Ratio
Basic	?	?	66.31 ns	1.443 ns	1.603 ns	1.00	0.03	0.0168	128 B	1.00
Optimized	?	?	24.20 ns	0.476 ns	0.445 ns	0.37	0.01	0.0084	64 B	0.50
Basic	t-daa(...)2efe6 [38]	?	94.48 ns	0.999 ns	0.935 ns	1.00	0.01	0.0308	312 B	1.00
Optimized	t-daa(...)2efe6 [38]	?	29.50 ns	0.580 ns	0.543 ns	0.31	0.01	0.0141	144 B	0.46
Basic	t-daa(...)2efe6 [38]	1735689600	87.85 ns	2.046 ns	2.356 ns	1.00	0.04	0.0292	296 B	1.00
Optimized	t-daa(...)2efe6 [38]	1735689600	45.31 ns	0.699 ns	0.654 ns	0.52	0.02	0.0188	192 B	0.65