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.Application/Models/TimelineOverlap.cs

@@ -0,0 +1,10 @@
+namespace TrueCV.Application.Models;
+
+public sealed record TimelineOverlap
+{
+    public required string Company1 { get; init; }
+    public required string Company2 { get; init; }
+    public required DateOnly OverlapStart { get; init; }
+    public required DateOnly OverlapEnd { get; init; }
+    public required int Months { get; init; }
+}