S2 EsLint implementation

agiledancers-fe/tools/install-hooks.mjs

@@ -0,0 +1,13 @@
+import { existsSync } from 'node:fs';
+import { fileURLToPath } from 'node:url';
+import husky from 'husky';
+
+// Docker uses CI=true; CI and local opt-out must never change Git configuration.
+if (!process.env.CI && process.env.HUSKY !== '0') {
+  const root = fileURLToPath(new URL('../../', import.meta.url));
+  if (existsSync(new URL('../../.git', import.meta.url))) {
+    process.chdir(root);
+    const error = husky('.husky');
+    if (error) throw new Error(error);
+  }
+}