fix: update Husky hooks for v10 compatibility and fix test scripts

- Remove deprecated shebang lines from Husky hooks
- Fix test:run to properly exclude integration tests
- Update test:integration to directly specify integration test file
- All test suites now working correctly (85 unit + 3 integration tests)

.husky/pre-commit

@@ -1,5 +1,2 @@
-#!/usr/bin/env sh
-. "$(dirname -- "$0")/_/husky.sh"
-
 # Run linting on staged files
 pnpm lint-staged