Event moving fixed again, splitting correctly for recurrent events.

src/components/EventOverlay.vue

@@ -161,6 +161,25 @@ function startLocalDrag(init, evt) {
   window.addEventListener('pointercancel', onDragPointerUp, { passive: false })
 }
 
+// Determine date under pointer: traverse DOM to find day cell carrying data-date attribute
+function getDateUnderPointer(x, y, el) {
+  let cur = el
+  while (cur) {
+    if (cur.dataset && cur.dataset.date) {
+      return { date: cur.dataset.date }
+    }
+    cur = cur.parentElement
+  }
+  // Fallback: elementFromPoint scan
+  const probe = document.elementFromPoint(x, y)
+  let p = probe
+  while (p) {
+    if (p.dataset && p.dataset.date) return { date: p.dataset.date }
+    p = p.parentElement
+  }
+  return null
+}
+
 function onDragPointerMove(e) {
   const st = dragState.value
   if (!st) return
@@ -234,9 +253,12 @@ function normalizeDateOrder(aStr, bStr) {
 }
 
 function applyRangeDuringDrag(st, startDate, endDate) {
-  // If dragging a virtual occurrence, map to base move without changing recurrence pattern mid-series.
-  // We disallow resizing individual virtual occurrences; treat as move of whole series anchor.
-  if (st.isVirtual && st.mode !== 'move') return
+  if (st.isVirtual) {
+    if (st.mode !== 'move') return // no resize for virtual occurrence
+    // Split-move: occurrence being dragged treated as first of new series
+    store.splitMoveVirtualOccurrence(st.id, st.startDate, startDate, endDate)
+    return
+  }
   store.setEventRange(st.id, startDate, endDate, { mode: st.mode })
 }