Enforce suggest limit in UI

wwwroot/js/ui.js

@@ -129,6 +129,16 @@ export function renderWelcome() {
     el.textContent = t("auth.welcome", { name });
 }
 
+function updateSuggestButtonState() {
+    const btn = $("open-suggest-modal");
+    if (!btn) return;
+    const limit = 5;
+    const count = state.mySuggestions?.length ?? 0;
+    const blocked = count >= limit;
+    btn.disabled = blocked || state.phase !== "Suggest";
+    btn.textContent = blocked ? t("suggest.maxReached") : t("suggest.addButton");
+}
+
 export function renderMySuggestions() {
     const wrap = $("my-suggestions");
     if (!wrap) return;
@@ -141,6 +151,7 @@ export function renderMySuggestions() {
             buildCard(s, { showAuthor: false, allowDelete, allowEdit, lockTitle }),
         ),
     );
+    updateSuggestButtonState();
 }
 
 export function renderAllSuggestions() {