git init

tools/install-hooks.mjs

@@ -0,0 +1,19 @@
+import { copyFileSync, chmodSync, mkdirSync, existsSync } from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const root = path.resolve(__dirname, '..');
+const hooksDir = path.join(root, '.git', 'hooks');
+const src = path.join(root, 'tools', 'hooks', 'pre-commit');
+const dest = path.join(hooksDir, 'pre-commit');
+
+if (!existsSync(path.join(root, '.git'))) {
+  console.error('Not a git repository. Run from the repo root.');
+  process.exit(1);
+}
+
+mkdirSync(hooksDir, { recursive: true });
+copyFileSync(src, dest);
+try { chmodSync(dest, 0o755); } catch { /* Windows */ }
+console.log('Installed pre-commit hook → .git/hooks/pre-commit');