Reorganize scripts into subfolders by responsibility

Move scripts under Assets/Scripts/ into Components, GameMode, Helper,
Network, Enum, Struct and ScriptableObject folders. Pure file moves
(plus folder .meta files); no code changes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Assets/Scripts/GameMode/FreeCamMode.cs

@@ -0,0 +1,31 @@
+/// <summary>
+/// Free-fly camera mode. The player is frozen in place, painting is off, and a dedicated
+/// freecam (<see cref="FreeCamController"/> + its own CinemachineCamera) takes over: fly the
+/// camera through the map with WASD/Q/E and the mouse, colliding with world geometry like the
+/// player. The orbit camera input is disabled while here so it doesn't fight for the cursor.
+/// </summary>
+public class FreeCamMode : GameMode
+{
+    public override string DisplayName => "Free Cam";
+
+    public override void Enter()
+    {
+        // Keep the player component alive (gravity/grounding) but reject input, like Paint mode.
+        SetPlayerControl(false);
+        SetPainting(false);
+        SetOrbitInputEnabled(false);
+
+        if (Manager.FreeCam)
+            Manager.FreeCam.SetActive(true);
+    }
+
+    public override void Exit()
+    {
+        // Modes are Enter-only, so freecam must undo its own camera takeover here; the next mode's
+        // Enter restores the player/painter/look-mode state.
+        if (Manager.FreeCam)
+            Manager.FreeCam.SetActive(false);
+
+        SetOrbitInputEnabled(true);
+    }
+}