feat: correo via banco mail, rol supervisor y lint en cero

frontend/src/app/(app)/settings/sla/page.tsx

@@ -39,13 +39,18 @@ export default function SlaPage() {
   }, []);
 
   useEffect(() => {
-    if (authLoading) return;
-    if (user?.role !== "admin") {
-      setLoading(false);
-      return;
-    }
-    fetchPolicies();
-  }, [fetchPolicies, authLoading, user?.role]);
+    if (authLoading || user?.role !== "admin") return;
+    getSLAPolicies()
+      .then((p) => {
+        setPolicies(p);
+        setError("");
+      })
+      .catch((err) => {
+        setError(err instanceof Error ? err.message : "Error al cargar");
+        setPolicies([]);
+      })
+      .finally(() => setLoading(false));
+  }, [authLoading, user?.role]);
 
   const openCreate = () => {
     setEditing(null);