Add typecheck to test scripts

Include npm run typecheck in test and test:unit scripts to catch
type errors during CI/test runs, matching how lint is already included.

Author: claude

package.json

@@ -12,8 +12,8 @@
     "lint": "eslint --fix && echo 'Lint fix complete.'",
     "format": "prettier --write . && echo 'Format complete.'",
     "format:check": "prettier --check . && echo 'Format check complete.'",
-    "test": "vitest run && echo 'Test complete.' && npm run -s lint",
-    "test:unit": "vitest run --exclude '**/*-e2e.test.js' && echo 'Unit tests complete.' && npm run -s lint",
+    "test": "vitest run && echo 'Test complete.' && npm run -s lint && npm run -s typecheck",
+    "test:unit": "vitest run --exclude '**/*-e2e.test.js' && echo 'Unit tests complete.' && npm run -s lint && npm run -s typecheck",
     "test:e2e": "vitest run **/*-e2e.test.js && echo 'E2E tests complete.'",
     "typecheck": "tsc --noEmit && echo 'Type check complete.'",
     "check-status": "[ -n \"$(git status --porcelain)\" ] && { echo '❌ Uncommitted changes'; exit 1; } || echo '✅ Git status is clean.'",