diff --git a/mvp/b2c/vitest.config.ts b/mvp/b2c/vitest.config.ts
index 0112053..7d7c954 100644
--- a/mvp/b2c/vitest.config.ts
+++ b/mvp/b2c/vitest.config.ts
@@ -10,7 +10,14 @@ export default defineConfig({
     include: ['tests/**/*.test.ts'],
     coverage: {
       provider: 'v8',
-      include: ['src/budget/**'],
+      include: [
+        'src/budget/**',
+        'src/lib/auth/password.ts',
+        'src/lib/auth/tokens.ts',
+        'src/lib/auth/authz.ts',
+        'src/lib/validation/signup.ts',
+        'src/lib/billing/plan.ts',
+      ],
       thresholds: { lines: 70, functions: 70, statements: 70, branches: 70 },
     },
   },