refactor: tighten project structure and strengthen tooling

src/world/Lighting.tsx

@@ -1,7 +1,7 @@
 import { useEffect, useRef } from "react";
 import { useFrame } from "@react-three/fiber";
 import type { AmbientLight, DirectionalLight } from "three";
-import { Debug } from "@/debug/Debug";
+import { Debug } from "@/utils/debug/Debug";
 
 type LightingState = {
   ambientIntensity: number;
@@ -27,22 +27,16 @@ export function Lighting(): React.JSX.Element {
     const debug = Debug.getInstance();
 
     if (!debug.active) {
-      return undefined;
+      return;
     }
 
     const folder = debug.createFolder("Lighting");
 
-    if (!folder) {
-      return undefined;
-    }
-
     folder.add(LIGHTING_STATE, "ambientIntensity", 0, 5, 0.1).name("Ambient");
     folder.add(LIGHTING_STATE, "sunIntensity", 0, 8, 0.1).name("Sun Intensity");
     folder.add(LIGHTING_STATE, "sunX", -100, 100, 1).name("Sun X");
     folder.add(LIGHTING_STATE, "sunY", 0, 150, 1).name("Sun Y");
     folder.add(LIGHTING_STATE, "sunZ", -100, 100, 1).name("Sun Z");
-
-    return undefined;
   }, []);
 
   useFrame(() => {

src/world/PostFX.tsx

@@ -1 +0,0 @@
-// src/world/PostFX.tsx

src/world/World.tsx

@@ -1,7 +1,7 @@
 import { Suspense } from "react";
-import { DebugCameraControls } from "@/debug/scene/DebugCameraControls";
-import { DebugHelpers } from "@/debug/scene/DebugHelpers";
-import { useCameraMode } from "@/debug/useCameraMode";
+import { useCameraMode } from "@/hooks/debug/useCameraMode";
+import { DebugCameraControls } from "@/utils/debug/scene/DebugCameraControls";
+import { DebugHelpers } from "@/utils/debug/scene/DebugHelpers";
 import { Environment } from "@/world/Environment";
 import { Lighting } from "@/world/Lighting";
 import { Map } from "@/world/Map";

src/world/player/Crosshair.tsx

@@ -1 +0,0 @@
-// src/world/player/Crosshair.tsx

src/world/zones/FarmZone.tsx

@@ -1 +0,0 @@
-// src/world/zones/FarmZone.tsx

src/world/zones/PowerGridZone.tsx

@@ -1 +0,0 @@
-// src/world/zones/PowerGridZone.tsx

src/world/zones/ResidentialZone.tsx

@@ -1 +0,0 @@
-// src/world/zones/ResidentialZone.tsx

src/world/zones/SchoolZone.tsx

@@ -1 +0,0 @@
-// src/world/zones/SchoolZone.tsx

src/world/zones/WorkshopZone.tsx

@@ -1 +0,0 @@
-// src/world/zones/WorkshopZone.tsx