diff --git a/package-lock.json b/package-lock.json
index 8a691673..cd0bfb73 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "@types/react": "19.2.17",
         "@vitest/coverage-v8": "4.1.8",
         "brepjs-opencascade": "*",
-        "brepkit-wasm": "2.112.0",
+        "brepkit-wasm": "2.115.8",
         "eslint": "10.5.0",
         "fast-check": "4.8.0",
         "husky": "9.1.7",
@@ -136,7 +136,6 @@
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-      "peer": true,
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@@ -314,7 +313,6 @@
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       "license": "MIT",
-      "peer": true,
       "dependencies": {
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         "@algolia/requester-browser-xhr": "5.53.0",
@@ -1068,7 +1066,6 @@
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-      "peer": true,
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       },
@@ -1117,7 +1114,6 @@
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       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=20.19.0"
       }
@@ -1186,7 +1182,6 @@
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       "license": "MIT",
       "optional": true,
-      "peer": true,
       "dependencies": {
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         "tslib": "^2.4.0"
@@ -1199,7 +1194,6 @@
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       "dev": true,
       "license": "Apache-2.0",
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@@ -2362,7 +2355,6 @@
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-      "peer": true,
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@@ -2808,7 +2799,6 @@
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       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
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         "@opentelemetry/resources": "2.8.0",
@@ -3691,7 +3681,6 @@
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-      "peer": true,
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@@ -5339,7 +5328,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
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       }
@@ -5362,7 +5350,6 @@
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       "license": "MIT",
-      "peer": true,
       "dependencies": {
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       }
@@ -5397,7 +5384,6 @@
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-      "peer": true,
       "dependencies": {
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         "@tweenjs/tween.js": "~23.1.3",
@@ -5486,7 +5472,6 @@
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@@ -6306,7 +6291,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -6373,7 +6357,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@algolia/abtesting": "1.19.0",
         "@algolia/client-abtesting": "5.53.0",
@@ -6582,8 +6565,7 @@
     },
     "node_modules/brepjs": {
       "resolved": "",
-      "link": true,
-      "version": "18.100.1"
+      "link": true
     },
     "node_modules/brepjs-bim": {
       "resolved": "packages/brepjs-bim",
@@ -6630,9 +6612,9 @@
       "link": true
     },
     "node_modules/brepkit-wasm": {
-      "version": "2.112.0",
-      "resolved": "https://registry.npmjs.org/brepkit-wasm/-/brepkit-wasm-2.112.0.tgz",
-      "integrity": "sha512-sYHfTeGo+0/pqZCe/EVh7OJXSQI52dZEh1Fes7XHV4UW1aMK51axLM0Ed0j8BD3KlZ+zewY1zvZKGxae3KT2Ig==",
+      "version": "2.115.8",
+      "resolved": "https://registry.npmjs.org/brepkit-wasm/-/brepkit-wasm-2.115.8.tgz",
+      "integrity": "sha512-/dhTfYtSwtgVcImfEQGqrzOMUaXYzAFTAXpt+VX8WzVXjb5XehrRV/IoQTfVqwZB7Zk3zf479+fj+nfWly4egA==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
@@ -7158,7 +7140,6 @@
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-      "peer": true,
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         "env-paths": "^2.2.1",
         "import-fresh": "^3.3.0",
@@ -7265,7 +7246,6 @@
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@@ -7710,7 +7690,6 @@
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@@ -7930,8 +7909,7 @@
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       "devOptional": true,
-      "license": "BSD-3-Clause",
-      "peer": true
+      "license": "BSD-3-Clause"
     },
     "node_modules/dompurify": {
       "version": "3.4.11",
@@ -8202,7 +8180,6 @@
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-      "peer": true,
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@@ -8438,7 +8415,6 @@
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@@ -8732,7 +8708,6 @@
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-      "peer": true,
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@@ -9029,7 +9004,6 @@
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-      "peer": true,
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@@ -9435,7 +9409,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "jiti": "lib/jiti-cli.mjs"
       }
@@ -10184,6 +10157,7 @@
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       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "js-tokens": "^3.0.0 || ^4.0.0"
       },
@@ -10195,7 +10169,8 @@
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       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
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-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/lru-cache": {
       "version": "11.5.1",
@@ -10698,7 +10673,6 @@
       "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.55.1.tgz",
       "integrity": "sha512-jz4x+TJNFHwHtwuV9vA9rMujcZRb0CEilTEwG2rRSpe/A7Jdkuj8xPKttCgOh+v/lkHy7HsZ64oj+q3xoAFl9A==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "dompurify": "^3.4.10",
         "marked": "14.0.0"
@@ -11592,6 +11566,7 @@
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       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "loose-envify": "^1.1.0"
       }
@@ -11738,7 +11713,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@oxc-project/types": "=0.133.0",
         "@rolldown/pluginutils": "^1.0.0"
@@ -12113,7 +12087,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "bytes-iec": "^3.1.1",
         "lilconfig": "^3.1.3",
@@ -12485,8 +12458,7 @@
       "version": "0.184.0",
       "resolved": "https://registry.npmjs.org/three/-/three-0.184.0.tgz",
       "integrity": "sha512-wtTRjG92pM5eUg/KuUnHsqSAlPM296brTOcLgMRqEeylYTh/CdtvKUvCyyCQTzFuStieWxvZb8mVTMvdPyUpxg==",
-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
     },
     "node_modules/three-mesh-bvh": {
       "version": "0.8.3",
@@ -12861,7 +12833,6 @@
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
       "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -13180,7 +13151,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "lightningcss": "^1.32.0",
         "picomatch": "^4.0.4",
@@ -13919,7 +13889,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.4.4",
@@ -14092,7 +14061,6 @@
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       "devOptional": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@vue/compiler-dom": "3.5.38",
         "@vue/compiler-sfc": "3.5.38",
@@ -14445,7 +14413,6 @@
       "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
       "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
       "license": "MIT",
-      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
@@ -14522,11 +14489,11 @@
       }
     },
     "packages/brepjs-cad": {
-      "version": "0.30.1",
+      "version": "0.30.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@modelcontextprotocol/sdk": "1.29.0",
-        "brepjs": "^18.100.1",
+        "brepjs": "^18.83.2",
         "commander": "^15.0.0",
         "occt-wasm": "^3.0.0",
         "typescript": "^6.0.3"
@@ -14591,7 +14558,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
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         "node": ">=0.10.0"
       }
@@ -14693,7 +14659,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
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         "node": ">=0.10.0"
       }
@@ -14762,7 +14727,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=0.10.0"
       }
diff --git a/package.json b/package.json
index f3c18b4a..c90079be 100644
--- a/package.json
+++ b/package.json
@@ -261,7 +261,7 @@
     "@types/react": "19.2.17",
     "@vitest/coverage-v8": "4.1.8",
     "brepjs-opencascade": "*",
-    "brepkit-wasm": "2.112.0",
+    "brepkit-wasm": "2.115.8",
     "eslint": "10.5.0",
     "fast-check": "4.8.0",
     "husky": "9.1.7",
diff --git a/src/kernel/brepkit/brepkitWasmTypes.ts b/src/kernel/brepkit/brepkitWasmTypes.ts
index 4db3c713..6832254d 100644
--- a/src/kernel/brepkit/brepkitWasmTypes.ts
+++ b/src/kernel/brepkit/brepkitWasmTypes.ts
@@ -2,7 +2,7 @@
  * Type-safe interface for the brepkit WASM kernel (`BrepKernel`).
  *
  * AUTO-GENERATED by `npm run sync:brepkit-types`.
- * Synced against `brepkit-wasm@2.112.0`.
+ * Synced against `brepkit-wasm@2.115.8`.
  *
  * Methods not yet referenced in the adapter layer are tagged `@unwired`.
  *
@@ -766,12 +766,18 @@ export interface BrepkitKernel {
 
   copyFace(face: number): number;
 
+  /** @unwired */
+  deserializeSolid(data: Uint8Array): number;
+
   /** @unwired */
   detectCoincidentFaces(a: number, b: number): string;
 
   /** @unwired */
   filletWithEvolution(solid: number, edgeHandles: Uint32Array | number[], radius: number): string;
 
+  /** @unwired */
+  fuseAll(solidHandles: Uint32Array | number[]): number;
+
   getNurbsCurveData(edge: number): string;
 
   /** @unwired */
@@ -818,6 +824,27 @@ export interface BrepkitKernel {
     rz: number
   ): number;
 
+  /** @unwired */
+  makeEllipseArc3d(
+    startX: number,
+    startY: number,
+    startZ: number,
+    endX: number,
+    endY: number,
+    endZ: number,
+    centerX: number,
+    centerY: number,
+    centerZ: number,
+    axisX: number,
+    axisY: number,
+    axisZ: number,
+    refX: number,
+    refY: number,
+    refZ: number,
+    semiMajor: number,
+    semiMinor: number
+  ): number;
+
   makeEllipseEdge(
     cx: number,
     cy: number,
@@ -876,6 +903,9 @@ export interface BrepkitKernel {
     deflection: number
   ): string;
 
+  /** @unwired */
+  serializeSolid(solid: number): Uint8Array;
+
   /** @unwired */
   sketchAddCircle(sketch: number, centerIdx: number, radius: number): number;
 
@@ -886,7 +916,7 @@ export interface BrepkitKernel {
 
   // ── Feature-guarded stubs (not in current WASM) ─────────────────
 
-  /** @future Not in brepkit-wasm 2.112.0. Referenced with feature detection in adapter. */
+  /** @future Not in brepkit-wasm 2.115.8. Referenced with feature detection in adapter. */
   chamferAsymmetric?(
     solid: number,
     edgeHandles: Uint32Array | number[],
@@ -894,16 +924,16 @@ export interface BrepkitKernel {
     d2: number
   ): number;
 
-  /** @future Not in brepkit-wasm 2.112.0. Referenced with feature detection in adapter. */
+  /** @future Not in brepkit-wasm 2.115.8. Referenced with feature detection in adapter. */
   compoundFuse?(solidIds: Uint32Array | number[]): number;
 
-  /** @future Not in brepkit-wasm 2.112.0. Referenced with feature detection in adapter. */
+  /** @future Not in brepkit-wasm 2.115.8. Referenced with feature detection in adapter. */
   copyEdge?(edge: number): number;
 
-  /** @future Not in brepkit-wasm 2.112.0. Referenced with feature detection in adapter. */
+  /** @future Not in brepkit-wasm 2.115.8. Referenced with feature detection in adapter. */
   transformEdge?(edge: number, matrix: Float64Array | number[]): void;
 
-  /** @future Not in brepkit-wasm 2.112.0. Referenced with feature detection in adapter. */
+  /** @future Not in brepkit-wasm 2.115.8. Referenced with feature detection in adapter. */
   validateSolidDetails?(solid: number): string;
 
   // ── wasm-bindgen destructor ────────────────────────────────────