diff --git a/packages/inspector/package.json b/packages/inspector/package.json
index 3d1810cdd..04fd2d247 100644
--- a/packages/inspector/package.json
+++ b/packages/inspector/package.json
@@ -4,7 +4,7 @@
   "private": false,
   "type": "module",
   "license": "MIT",
-  "description": "Dawn runtime inspector — browser UI for inspecting a Dawn app (memory panel).",
+  "description": "Dawn runtime inspector \u2014 browser UI for inspecting a Dawn app (memory panel).",
   "homepage": "https://github.com/cacheplane/dawnai/tree/main/packages/inspector#readme",
   "repository": {
     "type": "git",
@@ -30,10 +30,10 @@
   "scripts": {
     "build": "next build && node scripts/post-build.mjs",
     "dev": "next dev",
-    "lint": "biome check --config-path ../config-biome/biome.json package.json next.config.ts postcss.config.mjs vitest.config.ts vitest.components.config.ts vitest.e2e.config.ts src app scripts test e2e playwright.config.ts tsconfig.json tsconfig.e2e.json",
+    "lint": "biome check --config-path ../config-biome/biome.json package.json next.config.ts postcss.config.mjs vitest.config.ts vitest.components.config.ts vitest.e2e.config.ts src app scripts test e2e playwright.config.ts tsconfig.json tsconfig.e2e.json tsconfig.test.json",
     "test": "vitest --run --config vitest.config.ts --passWithNoTests",
     "test:e2e": "playwright test --config playwright.config.ts",
-    "typecheck": "tsc --noEmit && tsc --noEmit -p tsconfig.e2e.json"
+    "typecheck": "tsc --noEmit && tsc --noEmit -p tsconfig.e2e.json && tsc -p tsconfig.test.json"
   },
   "dependencies": {
     "@dawn-ai/core": "workspace:*",
diff --git a/packages/inspector/tsconfig.test.json b/packages/inspector/tsconfig.test.json
new file mode 100644
index 000000000..074e6760b
--- /dev/null
+++ b/packages/inspector/tsconfig.test.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "rootDir": ".",
+    "tsBuildInfoFile": "dist/tsconfig.test.tsbuildinfo"
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx", "test/**/*.ts", "test/**/*.tsx"]
+}