Event pages and NPC move routes on RPG maps; rpg action schemas; walk test passes the RPG Plus prologue

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/Data/RpgEventPage.cs

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+using System.Collections.Generic;
+
+namespace Cthangover.Mods.Rpg
+{
+    /// <summary>
+    /// One page of a map event, as in RPG Maker: the event's look and effect while the
+    /// page's <see cref="Condition"/> holds. Every field left out (null) is the event's
+    /// own; an empty <see cref="Sprite"/>/<see cref="Icon"/> clears it. The last page whose
+    /// condition holds is the active one; the event's own fields are page 0 and count only
+    /// while the event's own condition holds (<see cref="RpgEventPages"/>).
+    /// </summary>
+    public class RpgEventPage
+    {
+        /// <summary>Scenario condition of the page; empty = always.</summary>
+        public string Condition { get; set; }
+
+        /// <summary>Charset of the page ("" = none).</summary>
+        public string Sprite { get; set; }
+
+        /// <summary>Atlas tile of the page (-1 = none).</summary>
+        public int? Tile { get; set; }
+
+        /// <summary>Item icon of the page ("" = none).</summary>
+        public string Icon { get; set; }
+
+        /// <summary>Facing the event turns to when the page becomes active.</summary>
+        public RpgDirection? Dir { get; set; }
+
+        /// <summary>How the page starts.</summary>
+        public RpgEventTrigger? Trigger { get; set; }
+
+        /// <summary>Whether the page blocks walking.</summary>
+        public bool? Solid { get; set; }
+
+        /// <summary>Scenario file of the page.</summary>
+        public string Scenario { get; set; }
+
+        /// <summary>Inline scenario lines of the page.</summary>
+        public List<string> Commands { get; set; }
+
+        /// <summary>Teleport of the page.</summary>
+        public RpgTeleport Teleport { get; set; }
+
+        /// <summary>Autonomous movement of the page.</summary>
+        public RpgMoveRoute Route { get; set; }
+    }
+}