fix: preserve skill deep link through login flow

index.html

@@ -1376,6 +1376,11 @@
             window.location.href = dest;
             return;
           }
+          try {
+            sessionStorage.setItem("post_login_redirect", dest);
+          } catch (error) {
+            console.warn("sessionStorage unavailable", error);
+          }
           const params = new URLSearchParams({ v: "20261107", redirect: dest });
           window.location.href = "/login/?" + params.toString();
         }