Add appearance sync and late-join replay

Adds optional `appearance` snapshots to transform packets, applies supported appearance data to runtime proxies, and has the server replay stored transforms to newly connected clients so late joiners receive current visuals immediately.

plugin/include/F4TNetworking.h

@@ -32,7 +32,8 @@ namespace F4T::Networking
 		bool a_weaponDrawn = false,
 		float a_movementSpeed = 0.0F,
 		float a_animationGraphSpeed = -1.0F,
-		std::span<const F4T::RemotePlayerState::RemoteEquippedItem> a_equippedItems = {});
+		std::span<const F4T::RemotePlayerState::RemoteEquippedItem> a_equippedItems = {},
+		const F4T::RemotePlayerState::RemoteAppearance* a_appearance = nullptr);
 	bool SendWorldStatePacket(
 		float a_gameHour,
 		float a_gameDaysPassed,

plugin/include/F4TRemotePlayerState.h

@@ -28,6 +28,40 @@ namespace F4T::RemotePlayerState
 		std::uint32_t formId{};
 	};
 
+	struct RemoteAppearanceMorph
+	{
+		std::uint32_t id{};
+		float value{};
+	};
+
+	struct RemoteAppearanceTintColor
+	{
+		std::uint8_t r{};
+		std::uint8_t g{};
+		std::uint8_t b{};
+		std::uint8_t a{};
+	};
+
+	struct RemoteAppearanceMorphWeight
+	{
+		float thin{};
+		float muscular{};
+		float large{};
+	};
+
+	struct RemoteAppearance
+	{
+		std::uint32_t version{ 1 };
+		std::uint32_t raceFormId{};
+		float height{ 1.0F };
+		RemoteAppearanceMorphWeight morphWeight;
+		RemoteAppearanceTintColor bodyTintColor;
+		std::uint32_t hairColorFormId{};
+		std::uint32_t facialHairColorFormId{};
+		std::vector<std::uint32_t> headPartFormIds;
+		std::vector<RemoteAppearanceMorph> morphSliders;
+	};
+
 	struct RemotePlayerState
 	{
 		std::uint32_t playerId{};
@@ -50,6 +84,8 @@ namespace F4T::RemotePlayerState
 		float animationGraphSpeed{ -1.0F };
 		bool hasEquipmentUpdate{ false };
 		std::vector<RemoteEquippedItem> equippedItems;
+		bool hasAppearanceUpdate{ false };
+		RemoteAppearance appearance;
 		std::chrono::steady_clock::time_point lastReceivedLocalTime{};
 
 		// Phase 2: Actor state and action events (TiltedEvolution alignment)