Implement admin back-pass flow and guarded admin actions

wwwroot/js/votes-ui.js

@@ -42,6 +42,7 @@ export function renderVotes() {
         li.querySelector(".card-body").appendChild(footer);
         list.appendChild(li);
     });
+    state.displayedVoteSuggestionsSig = state.allSuggestionsSig;
     updatePhaseNav();
     updateMissingBadgeFromDom();
     list.scrollTop = prevScroll;
@@ -202,9 +203,11 @@ export function updatePhaseNav() {
 
     showNav("nav-suggest", phase === "Suggest");
     showNav("nav-vote", phase === "Vote");
+    const playerCanMoveBackToSuggest =
+        !isAdmin && phase === "Vote" && state.hasJoker;
     const jokerBtn = $("open-joker-modal");
     if (jokerBtn) {
-        const showJoker = phase === "Vote" && state.hasJoker;
+        const showJoker = false;
         jokerBtn.classList.toggle("hidden", !showJoker);
         jokerBtn.disabled = !showJoker;
     }
@@ -242,11 +245,14 @@ export function updatePhaseNav() {
     renderAdminLinker();
     updateMissingBadgeFromDom();
 
-    const backButtons = ["nav-vote-prev"];
-    backButtons.forEach((id) => {
-        const btn = $(id);
-        if (btn) btn.classList.toggle("hidden", !isAdmin);
-    });
+    const votePrev = $("nav-vote-prev");
+    if (votePrev) {
+        const canUseBack = isAdmin || playerCanMoveBackToSuggest;
+        votePrev.classList.toggle("hidden", !canUseBack);
+        votePrev.textContent = playerCanMoveBackToSuggest
+            ? t("nav.backToSuggestOnce")
+            : t("nav.prev");
+    }
 
     const suggestNext = $("nav-suggest-next");
     if (suggestNext) {
@@ -268,8 +274,10 @@ export function updatePhaseNav() {
             : t("nav.next");
     }
 
-    const adminResultsToggle = $("results-open");
+    const adminResultsToggle = $("results-open-toggle");
     if (adminResultsToggle) {
-        adminResultsToggle.checked = !!state.resultsOpen;
+        adminResultsToggle.textContent = state.resultsOpen
+            ? t("admin.resultsOpenButtonDisable")
+            : t("admin.resultsOpenButtonEnable");
     }
 }