more fixes

frontend/src/components/Calendar/MainCalendar.jsx

@@ -69,6 +69,7 @@ export default function MainCalendar({ onCalendarReady }) {
   }, [openFocus])
 
   const handleEventDrop = useCallback(async ({ event, oldEvent }) => {
+    const { deliverableId } = event.extendedProps
     const newDate = event.startStr.substring(0, 10)
     const oldDate = oldEvent.startStr.substring(0, 10)
     await storeUpdate(deliverableId, { due_date: newDate })

frontend/src/components/Projects/ProjectList.jsx

@@ -4,6 +4,7 @@ import ProjectModal from './ProjectModal'
 import Button from '../UI/Button'
 import AgendaPanel from '../Calendar/AgendaPanel'
 import useProjectStore from '../../store/useProjectStore'
+import useUIStore from '../../store/useUIStore'
 
 const VIEW_OPTIONS = [
   { key: 'active',   label: 'Active'   },