Function startPointerDrag

packages/app-core/src/components/TasksCalendar.tsx:177–181

(task: VaultTask, e: React.PointerEvent)

    toIsoDateLocal(new Date(today.getFullYear(), today.getMonth(), today.getDate() + n))

  const startPointerDrag = (task: VaultTask, e: React.PointerEvent): void => {
    if (e.button !== 0) return
    suppressClickRef.current = false
    pointerDragRef.current = { task, startX: e.clientX, startY: e.clientY, dragging: false }
  }

  // Keep the latest reschedule/move callbacks in a ref so the window listeners
  // can mount once (the parent passes fresh arrows each render).