Update coverage scripts

Author: jdalton

package.json

@@ -51,7 +51,8 @@
     "clean:node_modules": "del-cli '**/node_modules'",
     "coverage": "run-s coverage:*",
     "coverage:test": "pnpm test:unit:coverage",
-    "coverage:percent": "node scripts/get-coverage-percentage.js",
+    "coverage:percent": "node scripts/get-coverage-percentage.mjs",
+    "coverage:type": "dotenvx -q run -f .env.local -- type-coverage --detail",
     "fix": "run-s lint:fix check:lint:fix",
     "knip:dependencies": "knip --dependencies",
     "knip:exports": "knip --include exports,duplicates",
@@ -100,6 +101,7 @@
     "pacote": "21.0.1",
     "semver": "7.7.2",
     "taze": "19.6.0",
+    "type-coverage": "2.29.7",
     "typescript": "5.9.2",
     "validate-npm-package-name": "6.0.2",
     "vitest": "3.2.4",