Fix: restore pre-commit hook filename

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.husky/pre-commit

@@ -0,0 +1,11 @@
+pnpm exec lint-staged
+# Verify no .env files staged
+if git diff --cached --name-only | grep -qE '\.env($|\.)'; then
+  echo "❌ .env files must not be committed"
+  exit 1
+fi
+# Scan for potential secrets
+if git diff --cached -U0 | grep -qiE '(password|secret|api_key|access_key)\s*[:=]\s*["\x27][A-Za-z0-9+/=]{16,}'; then
+  echo "⚠️  Possible hardcoded secret detected. Review staged changes."
+  exit 1
+fi