feat(calendar): add 'Pro Tag' moderator-count selector

js/calendar.js

@@ -47,6 +47,18 @@ export function renderCalendar() {
   yearOpt.selected = true;
   yearSel.appendChild(yearOpt);
 
+  const slotsLabel = document.createElement('label');
+  slotsLabel.textContent = 'Pro Tag:';
+
+  const slotsSel = document.createElement('select');
+  for (let n = 1; n <= 5; n++) {
+    const opt = document.createElement('option');
+    opt.value = String(n);
+    opt.textContent = String(n);
+    if (n === state.settings.moderatorsPerDay) opt.selected = true;
+    slotsSel.appendChild(opt);
+  }
+
   const genBtn = document.createElement('button');
   genBtn.type = 'button';
   genBtn.className = 'primary';
@@ -57,7 +69,7 @@ export function renderCalendar() {
   exportBtn.textContent = 'Als Excel exportieren';
   exportBtn.style.display = 'none';
 
-  controls.append(monthLabel, monthSel, yearLabel, yearSel, genBtn, exportBtn);
+  controls.append(monthLabel, monthSel, yearLabel, yearSel, slotsLabel, slotsSel, genBtn, exportBtn);
   container.appendChild(controls);
 
   // Legend
@@ -89,6 +101,12 @@ export function renderCalendar() {
     renderGrid(wrapper, exportBtn);
   });
 
+  slotsSel.addEventListener('change', () => {
+    state.settings.moderatorsPerDay = parseInt(slotsSel.value, 10);
+    saveState();
+    renderGrid(wrapper, exportBtn);
+  });
+
   genBtn.addEventListener('click', () => {
     if (state.employees.length === 0) {
       alert('Bitte zuerst Mitarbeiter hinzufügen.');