Initial commit: TrueCV CV verification platform

Clean architecture solution with:
- Domain: Entities (User, CVCheck, CVFlag, CompanyCache) and Enums
- Application: Service interfaces, DTOs, and models
- Infrastructure: EF Core, Identity, Hangfire, external API clients, services
- Web: Blazor Server UI with pages and components

Features:
- CV upload and parsing (PDF/DOCX) using Claude API
- Employment verification against Companies House API
- Timeline analysis for gaps and overlaps
- Veracity scoring algorithm
- Background job processing with Hangfire
- Azure Blob Storage for file storage

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

src/TrueCV.Domain/Entities/CVCheck.cs

@@ -0,0 +1,39 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using TrueCV.Domain.Enums;
+
+namespace TrueCV.Domain.Entities;
+
+public class CVCheck
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    public Guid UserId { get; set; }
+
+    [Required]
+    [MaxLength(512)]
+    public string OriginalFileName { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(2048)]
+    public string BlobUrl { get; set; } = string.Empty;
+
+    public CheckStatus Status { get; set; }
+
+    public string? ExtractedDataJson { get; set; }
+
+    public int? VeracityScore { get; set; }
+
+    public string? ReportJson { get; set; }
+
+    public DateTime CreatedAt { get; set; }
+
+    public DateTime? CompletedAt { get; set; }
+
+    // Navigation properties
+    [ForeignKey(nameof(UserId))]
+    public User User { get; set; } = null!;
+
+    public ICollection<CVFlag> Flags { get; set; } = new List<CVFlag>();
+}