Add canonical CV artifact pipeline

Models/ApplicationUser.cs

@@ -9,6 +9,9 @@ public sealed class ApplicationUser : IdentityUser
     public string? DisplayName { get; set; }
     public string? ProfileCvText { get; set; }
     public string? ProfileCvStructureJson { get; set; }
+    public int? CurrentCvUploadArtifactId { get; set; }
+    public int? CurrentCvExtractionRunId { get; set; }
+    public int? CurrentCvProfileVersion { get; set; }
     public string? AvatarImageDataUrl { get; set; }
     public string? GoogleSubject { get; set; }
     public string? GoogleEmail { get; set; }

Models/CvExtraction.cs

@@ -0,0 +1,34 @@
+namespace JobTrackerApi.Models;
+
+public sealed class CvUploadArtifact
+{
+    public int Id { get; set; }
+    public string OwnerUserId { get; set; } = string.Empty;
+    public string OriginalFileName { get; set; } = string.Empty;
+    public string StoredFileName { get; set; } = string.Empty;
+    public string MimeType { get; set; } = string.Empty;
+    public long ByteSize { get; set; }
+    public string Sha256 { get; set; } = string.Empty;
+    public string StoragePath { get; set; } = string.Empty;
+    public DateTimeOffset UploadedAtUtc { get; set; } = DateTimeOffset.UtcNow;
+}
+
+public sealed class CvExtractionRun
+{
+    public int Id { get; set; }
+    public string OwnerUserId { get; set; } = string.Empty;
+    public int? ArtifactId { get; set; }
+    public CvUploadArtifact? Artifact { get; set; }
+    public string Trigger { get; set; } = string.Empty;
+    public string ParserVersion { get; set; } = string.Empty;
+    public string NormalizerVersion { get; set; } = string.Empty;
+    public string LlmPromptVersion { get; set; } = string.Empty;
+    public string Status { get; set; } = string.Empty;
+    public string? RawExtractedText { get; set; }
+    public string? NormalizedText { get; set; }
+    public string? StructuredProfileJson { get; set; }
+    public string? ErrorMessage { get; set; }
+    public DateTimeOffset StartedAtUtc { get; set; } = DateTimeOffset.UtcNow;
+    public DateTimeOffset? CompletedAtUtc { get; set; }
+    public DateTimeOffset? AppliedAtUtc { get; set; }
+}

Models/StructuredCvProfile.cs

@@ -3,6 +3,7 @@ namespace JobTrackerApi.Models;
 public sealed class StructuredCvProfile
 {
     public string Version { get; set; } = "1";
+    public StructuredCvMetadata Metadata { get; set; } = new();
     public StructuredCvContact Contact { get; set; } = new();
     public List<string> Summary { get; set; } = new();
     public List<StructuredCvJob> Jobs { get; set; } = new();
@@ -14,6 +15,25 @@ public sealed class StructuredCvProfile
     public List<StructuredCvSection> Sections { get; set; } = new();
 }
 
+public sealed class StructuredCvMetadata
+{
+    public int? ProfileVersion { get; set; }
+    public int? AppliedExtractionRunId { get; set; }
+    public DateTimeOffset? UpdatedAtUtc { get; set; }
+    public Dictionary<string, StructuredCvFieldMetadata> Fields { get; set; } = new();
+}
+
+public sealed class StructuredCvFieldMetadata
+{
+    public double? Confidence { get; set; }
+    public string? Method { get; set; }
+    public string? SourceSnippet { get; set; }
+    public int? SourcePage { get; set; }
+    public string? SourceBlockId { get; set; }
+    public string? ReviewState { get; set; }
+    public DateTimeOffset? LastUpdatedAtUtc { get; set; }
+}
+
 public sealed class StructuredCvContact
 {
     public string? FullName { get; set; }

Models/StructuredCvProfileJson.cs

@@ -134,6 +134,8 @@ public static class StructuredCvProfileJson
     {
         profile ??= new StructuredCvProfile();
         profile.Version = string.IsNullOrWhiteSpace(profile.Version) ? "1" : profile.Version.Trim();
+        profile.Metadata ??= new StructuredCvMetadata();
+        profile.Metadata.Fields ??= new Dictionary<string, StructuredCvFieldMetadata>();
         profile.Contact ??= new StructuredCvContact();
         profile.Summary = CleanList(profile.Summary);
         profile.Jobs = (profile.Jobs ?? new List<StructuredCvJob>())