stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.Artifact.Infrastructure/ArtifactIndexEntry.cs

@@ -0,0 +1,57 @@
+// -----------------------------------------------------------------------------
+// ArtifactIndexEntry.cs
+// Sprint: SPRINT_20260118_017_Evidence_artifact_store_unification
+// Task: AS-003 - Create ArtifactStore PostgreSQL index
+// Description: Artifact index entry model for storage and querying
+// -----------------------------------------------------------------------------
+using StellaOps.Artifact.Core;
+
+namespace StellaOps.Artifact.Infrastructure;
+
+/// <summary>
+/// Artifact index entry for PostgreSQL storage.
+/// </summary>
+public sealed record ArtifactIndexEntry
+{
+    /// <summary>Primary key.</summary>
+    public Guid Id { get; init; } = Guid.NewGuid();
+
+    /// <summary>Tenant ID.</summary>
+    public required Guid TenantId { get; init; }
+
+    /// <summary>Package URL or bom-ref.</summary>
+    public required string BomRef { get; init; }
+
+    /// <summary>CycloneDX serialNumber.</summary>
+    public required string SerialNumber { get; init; }
+
+    /// <summary>Artifact ID.</summary>
+    public required string ArtifactId { get; init; }
+
+    /// <summary>Full storage key/path.</summary>
+    public required string StorageKey { get; init; }
+
+    /// <summary>Artifact type.</summary>
+    public required ArtifactType Type { get; init; }
+
+    /// <summary>Content type (MIME).</summary>
+    public required string ContentType { get; init; }
+
+    /// <summary>SHA-256 hash.</summary>
+    public required string Sha256 { get; init; }
+
+    /// <summary>Size in bytes.</summary>
+    public required long SizeBytes { get; init; }
+
+    /// <summary>When the artifact was stored.</summary>
+    public required DateTimeOffset CreatedAt { get; init; }
+
+    /// <summary>When the index entry was last updated.</summary>
+    public DateTimeOffset? UpdatedAt { get; init; }
+
+    /// <summary>Whether the artifact has been deleted.</summary>
+    public bool IsDeleted { get; init; }
+
+    /// <summary>Deletion timestamp.</summary>
+    public DateTimeOffset? DeletedAt { get; init; }
+}