fix(review): address audit findings before merge

src/types/three/three-addons.d.ts

@@ -1,42 +0,0 @@
-declare module "three/addons/math/Capsule.js" {
-  import { Vector3 } from "three";
-
-  export class Capsule {
-    start: Vector3;
-    end: Vector3;
-    radius: number;
-
-    constructor(start?: Vector3, end?: Vector3, radius?: number);
-
-    set(start: Vector3, end: Vector3, radius: number): this;
-    clone(): Capsule;
-    copy(capsule: Capsule): this;
-    getCenter(target: Vector3): Vector3;
-    translate(v: Vector3): this;
-  }
-}
-
-declare module "three/addons/math/Octree.js" {
-  import { Object3D } from "three";
-  import { Capsule } from "three/addons/math/Capsule.js";
-
-  export interface CapsuleIntersectResult {
-    normal: import("three").Vector3;
-    depth: number;
-  }
-
-  export class Octree {
-    constructor();
-    fromGraphNode(group: Object3D): this;
-    capsuleIntersect(capsule: Capsule): CapsuleIntersectResult | false;
-  }
-}
-
-declare module "three/addons/utils/BufferGeometryUtils.js" {
-  import { BufferGeometry } from "three";
-
-  export function mergeGeometries(
-    geometries: BufferGeometry[],
-    useGroups?: boolean,
-  ): BufferGeometry | null;
-}

src/types/three/three.ts

@@ -1,4 +1,4 @@
-import type { Octree } from "three/addons/math/Octree.js";
+import type { Octree } from "three-stdlib";
 
 export type Vector3Tuple = [number, number, number];