feat(history): sort by date desc + name asc, delete single entry

js/history.js

@@ -103,7 +103,13 @@ function renderHistoryTable() {
   }
 
   const nameById = Object.fromEntries(state.employees.map(e => [e.id, e.name]));
-  const sorted = [...state.history].sort((a, b) => b.date.localeCompare(a.date));
+  const sorted = [...state.history].sort((a, b) => {
+    const dateCmp = b.date.localeCompare(a.date);
+    if (dateCmp !== 0) return dateCmp;
+    const nameA = nameById[a.employeeId] ?? '';
+    const nameB = nameById[b.employeeId] ?? '';
+    return nameA.localeCompare(nameB, 'de');
+  });
 
   const table = document.createElement('table');
   const thead = document.createElement('thead');
@@ -137,7 +143,7 @@ function renderHistoryTable() {
     delBtn.textContent = '✕';
     delBtn.style.cssText = 'font-size:11px;padding:2px 6px';
     delBtn.addEventListener('click', () => {
-      removeHistoryEntry(state, h.date);
+      removeHistoryEntry(state, h.date, h.employeeId);
       saveState();
       renderHistoryTable();
     });