Seeding reorg

SVSim.Database/Models/GameConfigSection.cs

@@ -0,0 +1,30 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using SVSim.Database.Common;
+
+namespace SVSim.Database.Models;
+
+/// <summary>
+/// One row per top-level game-config section. <see cref="SectionName"/> matches the
+/// <c>ConfigSectionAttribute.Name</c> on the corresponding POCO in <c>Models.Config</c>
+/// (e.g. <c>"PackRates"</c> → <c>PackRateConfig</c>). <see cref="ValueJson"/> is the section's
+/// payload, stored as <c>jsonb</c> on Postgres and <c>TEXT</c> on SQLite.
+/// <para>
+/// Deserialisation goes through pure System.Text.Json in <c>IGameConfigService</c> — EF doesn't
+/// know about the section POCOs. Replaces the old single-row <c>GameConfigurations</c> table
+/// (one wide jsonb document, EF Core 8 <c>OwnsOne</c>+<c>ToJson</c> tree). See ADR-pending /
+/// 2026-05-24 config-refactor discussion for the why.
+/// </para>
+/// </summary>
+public class GameConfigSection : ITimeTrackedEntity
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.None)]
+    public string SectionName { get; set; } = "";
+
+    /// <summary>Raw JSON payload for this section. Postgres stores as jsonb; SQLite as TEXT.</summary>
+    public string ValueJson { get; set; } = "{}";
+
+    public DateTime DateCreated { get; set; } = DateTime.MinValue;
+    public DateTime? DateUpdated { get; set; }
+}