Added a way to read what the AI received from your sources (#1100)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/Databases/ProvenanceStore/Migrations/20261024000000_InitialProvenanceStore.cs

@@ -0,0 +1,43 @@
+#nullable disable
+
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace AIStudio.Tools.Databases.ProvenanceStore.Migrations;
+
+/// <summary>
+/// Creates the table provenance, which holds what chats received besides their messages.
+/// </summary>
+[DbContext(typeof(ProvenanceStoreDbContext))]
+[Migration("20261024000000_InitialProvenanceStore")]
+public partial class InitialProvenanceStore : Migration
+{
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.CreateTable(
+            name: "provenance",
+            columns: table => new
+            {
+                chat_id = table.Column<string>(type: "TEXT", nullable: false),
+                id = table.Column<string>(type: "TEXT", nullable: false),
+                kind = table.Column<string>(type: "TEXT", nullable: false),
+                content = table.Column<string>(type: "TEXT", nullable: false),
+                surrounding_content = table.Column<string>(type: "TEXT", nullable: true),
+                created_at_utc = table.Column<string>(type: "TEXT", nullable: false),
+            },
+            constraints: table =>
+            {
+                table.PrimaryKey("PK_provenance", entry => new { entry.chat_id, entry.id });
+            });
+
+        migrationBuilder.CreateIndex(
+            name: "idx_provenance_id",
+            table: "provenance",
+            column: "id");
+    }
+
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.DropTable(name: "provenance");
+    }
+}

app/MindWork AI Studio/Tools/Databases/ProvenanceStore/Migrations/ProvenanceStoreDbContextModelSnapshot.cs

@@ -0,0 +1,60 @@
+#nullable disable
+
+using AIStudio.Tools.Databases.IndexStore;
+
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+
+namespace AIStudio.Tools.Databases.ProvenanceStore.Migrations;
+
+// EF Core writes this file and declares the type as partial. Dropping the keyword would only
+// last until the next migration is added, so the inspection is silenced instead.
+// ReSharper disable once PartialTypeWithSinglePart
+[DbContext(typeof(ProvenanceStoreDbContext))]
+partial class ProvenanceStoreDbContextModelSnapshot : ModelSnapshot
+{
+    protected override void BuildModel(ModelBuilder modelBuilder)
+    {
+#pragma warning disable 612, 618
+        modelBuilder.HasAnnotation("ProductVersion", "9.0.18");
+        var utcDateTimeOffsetConverter = new IndexStoreDateTimeOffsetConverter();
+
+        modelBuilder.Entity("AIStudio.Tools.Databases.ProvenanceStore.ProvenanceEntity", entity =>
+        {
+            entity.Property<string>("ChatId")
+                .HasColumnType("TEXT")
+                .HasColumnName("chat_id");
+
+            entity.Property<string>("Id")
+                .HasColumnType("TEXT")
+                .HasColumnName("id");
+
+            entity.Property<string>("Content")
+                .IsRequired()
+                .HasColumnType("TEXT")
+                .HasColumnName("content");
+
+            entity.Property<DateTimeOffset>("CreatedAtUtc")
+                .HasConversion(utcDateTimeOffsetConverter)
+                .HasColumnType("TEXT")
+                .HasColumnName("created_at_utc");
+
+            entity.Property<string>("Kind")
+                .IsRequired()
+                .HasColumnType("TEXT")
+                .HasColumnName("kind");
+
+            entity.Property<string>("SurroundingContent")
+                .HasColumnType("TEXT")
+                .HasColumnName("surrounding_content");
+
+            entity.HasKey("ChatId", "Id");
+
+            entity.HasIndex("Id")
+                .HasDatabaseName("idx_provenance_id");
+
+            entity.ToTable("provenance");
+        });
+#pragma warning restore 612, 618
+    }
+}