fix the cellulite spilling bug

Cargo.lock

@@ -1090,7 +1090,7 @@ dependencies = [
  "steppe",
  "thiserror 2.0.16",
  "thread_local",
- "zerometry",
+ "zerometry 0.2.0",
 ]
 
 [[package]]
@@ -2575,6 +2575,7 @@ dependencies = [
  "num-traits",
  "robust",
  "rstar",
+ "spade",
 ]
 
 [[package]]
@@ -2585,6 +2586,7 @@ checksum = "75a4dcd69d35b2c87a7c83bce9af69fd65c9d68d3833a0ded568983928f3fc99"
 dependencies = [
  "approx",
  "num-traits",
+ "rayon",
  "rstar",
  "serde",
 ]
@@ -3055,6 +3057,7 @@ dependencies = [
  "i_key_sort",
  "i_shape",
  "i_tree",
+ "rayon",
 ]
 
 [[package]]
@@ -4260,6 +4263,7 @@ dependencies = [
  "url",
  "utoipa",
  "uuid",
+ "zerometry 0.1.0",
 ]
 
 [[package]]
@@ -6129,6 +6133,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "spade"
+version = "2.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb313e1c8afee5b5647e00ee0fe6855e3d529eb863a0fdae1d60006c4d1e9990"
+dependencies = [
+ "hashbrown 0.15.5",
+ "num-traits",
+ "robust",
+ "smallvec",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -7955,6 +7971,18 @@ dependencies = [
  "syn 2.0.106",
 ]
 
+[[package]]
+name = "zerometry"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "681f08f3f4ef27d3021a128eb6d8df1cd781e4c9c797c3971c1f85316374f977"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "geo",
+ "geo-types",
+]
+
 [[package]]
 name = "zerometry"
 version = "0.2.0"