feat: add application package generation and grouped readiness workflows

Models/ApplicationUser.cs

@@ -7,6 +7,7 @@ public sealed class ApplicationUser : IdentityUser
     public string? FirstName { get; set; }
     public string? LastName { get; set; }
     public string? DisplayName { get; set; }
+    public string? ProfileCvText { get; set; }
     public string? GoogleSubject { get; set; }
     public string? GoogleEmail { get; set; }
     public DateTimeOffset? GoogleLinkedAt { get; set; }

Models/JobApplication.cs

@@ -41,6 +41,8 @@ public class JobApplication
     public DateTime? Deadline { get; set; }
     // Short summary generated at creation time and persisted to avoid repeated model calls.
     public string? ShortSummary { get; set; }
+    public string? TailoredCvText { get; set; }
+    public DateTime? TailoredCvUpdatedAt { get; set; }
 
     public List<Correspondence> Messages { get; set; } = new();
     public List<Attachment> Attachments { get; set; } = new();