Add practice range: shooting, AK47, intro cinematic, dressed warehouse scene

- PortalTestDestination practice range: Valorant-style hitscan rifle (recoil,
  spray/bloom, reload, controller support), debug HUD, practice-dummy targets
  with head/body hitboxes, hit/death/respawn animations, procedural SFX/FX
- AK47 model (Quaternius, CC0) held via Animator IK, with fire/reload/equip anims
- Intro cinematic (camera shots, title card, target beam-in, GO hand-off)
- Scene dressing editor pass: CC0 textures, props, warehouse roof, lighting and
  post-processing; custom stylized skybox shader
- CharacterMovement: camera recoil, shoulder offset, cinematic control lock
- Unity CLI pipeline package; plus in-progress chat/Rive/player changes

Asset credits: Assets/Models/Props/PROPS_CREDITS.txt (3 CC-BY 3.0 props),
Assets/Textures/Range/TEXTURES_LICENSE.txt, Assets/Resources/*/..._LICENSE.txt

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

Assets/Scripts/Chat/ChatNetworkManager.cs

@@ -1,6 +1,7 @@
 using UnityEngine;
 using Mirror;
 using System.Collections.Generic;
+using UnityEngine.SceneManagement;
 
 [AddComponentMenu("")]
 public class ChatNetworkManager : NetworkManager
@@ -21,6 +22,8 @@ public class ChatNetworkManager : NetworkManager
 
     public override void OnServerDisconnect(NetworkConnectionToClient conn)
     {
+        Debug.Log($"[ChatNetworkManager] Server disconnecting connection {conn.connectionId}. Active scene: '{SceneManager.GetActiveScene().name}'");
+
         if (conn.authenticationData != null)
             ChatAuthenticator.playerNames.Remove((string)conn.authenticationData);
 
@@ -31,6 +34,7 @@ public class ChatNetworkManager : NetworkManager
 
     public override void OnClientDisconnect()
     {
+        Debug.Log($"[ChatNetworkManager] Client disconnected. Active scene: '{SceneManager.GetActiveScene().name}'");
         base.OnClientDisconnect();
 
         // Destroy ChatUI instance when disconnecting
@@ -53,7 +57,7 @@ public class ChatNetworkManager : NetworkManager
     {
         base.OnClientConnect();
 
-        Debug.Log("ChatNetworkManager: OnClientConnect called");
+        Debug.Log($"[ChatNetworkManager] OnClientConnect called. Active scene: '{SceneManager.GetActiveScene().name}'");
 
         // Spawn ChatUI prefab locally when client successfully connects
         if (chatUIPrefab == null)
@@ -89,6 +93,8 @@ public class ChatNetworkManager : NetworkManager
 
         if (riveLoginCanvas != null)
             riveLoginCanvas.SetActive(false);
+
+        Debug.Log($"[ChatNetworkManager] Client connection setup completed. Active scene: '{SceneManager.GetActiveScene().name}'");
     }
 
     [Server]