UI redesign: improve readability and add candidate name display

- Add CandidateName property to VeracityReport and display on report page
- Simplify employment verification layout with compact row-based design
- Add UK employment history notice to Home and Check pages
- Improve hero section text readability with text shadow
- Update Login and Register page styling
- Remove Companies House references from UI text

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

src/TrueCV.Application/Models/VeracityReport.cs

@@ -2,6 +2,7 @@ namespace TrueCV.Application.Models;
 
 public sealed record VeracityReport
 {
+    public string? CandidateName { get; init; }
     public required int OverallScore { get; init; }
     public required string ScoreLabel { get; init; }
     public List<CompanyVerificationResult> EmploymentVerifications { get; init; } = [];