Migrate Show.Date from DateOnly to DateTime to support time of day

Removes DateOnly/DateTime conversion boilerplate from all Show endpoints
and adds the corresponding EF Core migration.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

PyroFetes/Migrations/20260602155818_DateTimeForShow.cs

@@ -0,0 +1,37 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PyroFetes.Migrations
+{
+    /// <inheritdoc />
+    public partial class DateTimeForShow : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "Date",
+                table: "Shows",
+                type: "datetime2",
+                nullable: true,
+                oldClrType: typeof(DateOnly),
+                oldType: "date",
+                oldNullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateOnly>(
+                name: "Date",
+                table: "Shows",
+                type: "date",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldNullable: true);
+        }
+    }
+}

PyroFetes/Migrations/PyroFetesDbContextModelSnapshot.cs

@@ -816,8 +816,8 @@ namespace PyroFetes.Migrations
                     b.Property<int?>("CityId")
                         .HasColumnType("int");
 
-                    b.Property<DateOnly?>("Date")
-                        .HasColumnType("date");
+                    b.Property<DateTime?>("Date")
+                        .HasColumnType("datetime2");
 
                     b.Property<string>("Description")
                         .HasMaxLength(500)
@@ -887,7 +887,7 @@ namespace PyroFetes.Migrations
 
                     b.HasIndex("TruckId");
 
-                    b.ToTable("ShowTruck");
+                    b.ToTable("ShowTrucks");
                 });
 
             modelBuilder.Entity("PyroFetes.Models.Sound", b =>
@@ -1593,8 +1593,7 @@ namespace PyroFetes.Migrations
                 {
                     b.HasOne("PyroFetes.Models.City", "City")
                         .WithMany("Shows")
-                        .HasForeignKey("CityId")
-                        .OnDelete(DeleteBehavior.ClientSetNull);
+                        .HasForeignKey("CityId");
 
                     b.Navigation("City");
                 });