Resolve issues with vitest in packages/delegation-toolkit

- standardise vitest dependency across monorepo.
- update packages to 'type':'module' to fix vitest configuration resolution.
- fix exports in @metamask/delegation-core to correctly target commonjs and esm.

Author: jeffsmale90

packages/delegation-core/package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "description": "Low level core functionality for interacting with the Delegation Framework",
   "license": "(MIT-0 OR Apache-2.0)",
+  "type": "module",
   "keywords": [
     "MetaMask",
     "Ethereum"
@@ -18,8 +19,8 @@
   "author": "MetaMask <hello@metamask.io>",
   "sideEffects": false,
   "contributors": [],
-  "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "files": [
     "dist/**",
@@ -28,12 +29,12 @@
   "exports": {
     ".": {
       "require": {
-        "types": "./dist/index.d.ts",
-        "default": "./dist/index.js"
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
       },
       "import": {
-        "types": "./dist/index.d.mts",
-        "default": "./dist/index.mjs"
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
       }
     },
     "./package.json": "./package.json"
@@ -67,7 +68,7 @@
     "@types/node": "^20.10.6",
     "tsup": "^8.5.0",
     "typescript": "5.0.4",
-    "vitest": "^2.1.9"
+    "vitest": "^3.2.4"
   },
   "dependencies": {
     "@metamask/abi-utils": "^3.0.0",

packages/delegation-toolkit/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@metamask/delegation-toolkit",
   "version": "0.12.0",
+  "type": "module",
   "description": "The Delegation Toolkit built on top of Viem - a library for interacting with DeleGator Smart Accounts",
   "license": "(MIT-0 OR Apache-2.0)",
   "keywords": [
@@ -25,51 +26,51 @@
     ".": {
       "require": {
         "types": "./dist/index.d.ts",
-        "default": "./dist/index.js"
+        "default": "./dist/index.cjs"
       },
       "import": {
         "types": "./dist/index.d.mts",
-        "default": "./dist/index.mjs"
+        "default": "./dist/index.js"
       }
     },
     "./utils": {
       "require": {
         "types": "./dist/utils/index.d.ts",
-        "default": "./dist/utils/index.js"
+        "default": "./dist/utils/index.cjs"
       },
       "import": {
         "types": "./dist/utils/index.d.mts",
-        "default": "./dist/utils/index.mjs"
+        "default": "./dist/utils/index.js"
       }
     },
     "./contracts": {
       "require": {
         "types": "./dist/contracts/index.d.ts",
-        "default": "./dist/contracts/index.js"
+        "default": "./dist/contracts/index.cjs"
       },
       "import": {
         "types": "./dist/contracts/index.d.mts",
-        "default": "./dist/contracts/index.mjs"
+        "default": "./dist/contracts/index.js"
       }
     },
     "./actions": {
       "require": {
         "types": "./dist/actions/index.d.ts",
-        "default": "./dist/actions/index.js"
+        "default": "./dist/actions/index.cjs"
       },
       "import": {
         "types": "./dist/actions/index.d.mts",
-        "default": "./dist/actions/index.mjs"
+        "default": "./dist/actions/index.js"
       }
     },
     "./experimental": {
       "require": {
         "types": "./dist/experimental/index.d.ts",
-        "default": "./dist/experimental/index.js"
+        "default": "./dist/experimental/index.cjs"
       },
       "import": {
         "types": "./dist/experimental/index.d.mts",
-        "default": "./dist/experimental/index.mjs"
+        "default": "./dist/experimental/index.js"
       }
     },
     "./package.json": "./package.json"

packages/delegator-e2e/package.json

@@ -2,13 +2,14 @@
   "name": "@metamask/delegator-e2e",
   "private": true,
   "version": "0.8.1",
+  "type": "module",
   "description": "Tests to validate the Delegation Framework end-to-end.",
   "devDependencies": {
     "@metamask/delegation-toolkit": "workspace:*",
     "dotenv": "^16.3.1",
     "permissionless": "^0.1.44",
     "tsx": "^4.19.3",
-    "vitest": "^2.1.9"
+    "vitest": "^3.2.4"
   },
   "scripts": {
     "build": "cd contracts && forge build && cd ..",