Add vote finalize UX and missing-vote warning placement

wwwroot/js/ui.js

@@ -642,6 +642,14 @@ function formatMyVote(score) {
     return `${score} ${scoreToEmoji(score)}`;
 }
 
+function missingVotesCount() {
+    const total = state.allSuggestions?.length ?? 0;
+    const mine = state.myVotes?.length ?? 0;
+    const votedIds = new Set(state.myVotes?.map((v) => v.suggestionId));
+    const missing = total - votedIds.size;
+    return missing < 0 ? 0 : missing;
+}
+
 function openDeleteConfirmModal(s) {
     const overlay = document.createElement("div");
     overlay.className = "edit-modal";
@@ -733,6 +741,18 @@ export function updatePhaseNav() {
         lockBadge.textContent = t("admin.resultsLocked");
     }
 
+    const finalizeBtn = $("finalize-votes");
+    if (finalizeBtn) {
+        finalizeBtn.textContent = state.votesFinal ? t("vote.unfinalize") : t("vote.finalize");
+    }
+
+    const voteMissingBadge = $("vote-missing");
+    if (voteMissingBadge) {
+        const missing = missingVotesCount();
+        voteMissingBadge.classList.toggle("hidden", missing === 0);
+        voteMissingBadge.textContent = missing > 0 ? t("vote.missingWarn") : "";
+    }
+
     // Toggle admin-only back buttons
     const backButtons = ["nav-vote-prev"];
     backButtons.forEach((id) => {