feat(home-dialog): add HomeDialogEntry entity + migration

DDL-only per migrations-are-ddl-only convention. Seeded by
SVSim.Bootstrap MyPageGlobalsImporter (T5) — no HasData.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

SVSim.Database/Migrations/20260608225037_AddHomeDialogEntries.cs

@@ -0,0 +1,51 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SVSim.Database.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddHomeDialogEntries : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "HomeDialogEntries",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false),
+                    TitleTextId = table.Column<string>(type: "text", nullable: false),
+                    Image = table.Column<string>(type: "text", nullable: false),
+                    ButtonListJson = table.Column<string>(type: "jsonb", nullable: false),
+                    BeginTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    EndTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    Type = table.Column<int>(type: "integer", nullable: true),
+                    Priority = table.Column<int>(type: "integer", nullable: false),
+                    DateCreated = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    DateUpdated = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_HomeDialogEntries", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_HomeDialogEntries_BeginTime_EndTime",
+                table: "HomeDialogEntries",
+                columns: new[] { "BeginTime", "EndTime" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_HomeDialogEntries_BeginTime_EndTime",
+                table: "HomeDialogEntries");
+
+            migrationBuilder.DropTable(
+                name: "HomeDialogEntries");
+        }
+    }
+}

SVSim.Database/Migrations/SVSimDbContextModelSnapshot.cs

@@ -1176,6 +1176,46 @@ namespace SVSim.Database.Migrations
                     b.ToTable("GameConfigs");
                 });
 
+            modelBuilder.Entity("SVSim.Database.Models.HomeDialogEntry", b =>
+                {
+                    b.Property<int>("Id")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("BeginTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ButtonListJson")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateUpdated")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("EndTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Image")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("TitleTextId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int?>("Type")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("HomeDialogEntries");
+                });
+
             modelBuilder.Entity("SVSim.Database.Models.ItemEntry", b =>
                 {
                     b.Property<int>("Id")

SVSim.Database/Models/HomeDialogEntry.cs

@@ -0,0 +1,31 @@
+using System.ComponentModel.DataAnnotations.Schema;
+using SVSim.Database.Common;
+
+namespace SVSim.Database.Models;
+
+/// <summary>
+/// One mypage home-dialog popup from /mypage/index data.home_dialog_list. Id is authored in
+/// the seed file (no stable wire ID; see banners.json for the same pattern). The dialog fires
+/// once per viewer per server-process lifetime — see IHomeDialogSessionTracker.
+/// </summary>
+public class HomeDialogEntry : BaseEntity<int>
+{
+    public string TitleTextId { get; set; } = string.Empty;
+    public string Image { get; set; } = string.Empty;
+
+    /// <summary>jsonb — List&lt;HomeDialogButtonSeed&gt; serialized verbatim. Deserialized in
+    /// MyPageController via JsonbReadOptions.</summary>
+    [Column(TypeName = "jsonb")]
+    public string ButtonListJson { get; set; } = "[]";
+
+    public DateTime BeginTime { get; set; }
+    public DateTime EndTime { get; set; }
+
+    /// <summary>Wire "type" — client parser ignores it but prod sends "1". Nullable so we
+    /// omit when unset; serialized as a string per <c>HomeDialog.Type</c> on the DTO.</summary>
+    public int? Type { get; set; }
+
+    /// <summary>Tiebreaker when multiple entries are active. Higher wins; ID asc breaks
+    /// further ties. Each /mypage/index call emits the highest-priority unfired entry.</summary>
+    public int Priority { get; set; }
+}

SVSim.Database/SVSimDbContext.cs

@@ -62,6 +62,7 @@ public class SVSimDbContext : DbContext
     public DbSet<ViewerEventCounter> ViewerEventCounters => Set<ViewerEventCounter>();
     public DbSet<DailyLoginBonusEntry> DailyLoginBonuses => Set<DailyLoginBonusEntry>();
     public DbSet<BannerEntry> Banners => Set<BannerEntry>();
+    public DbSet<HomeDialogEntry> HomeDialogEntries => Set<HomeDialogEntry>();
     public DbSet<ColosseumConfig> Colosseums => Set<ColosseumConfig>();
     public DbSet<SealedConfig> SealedSeasons => Set<SealedConfig>();
     public DbSet<MasterPointRankingPeriodEntry> MasterPointRankingPeriods => Set<MasterPointRankingPeriodEntry>();