feat(planner): seek places sidebar on map selection

client/src/components/Planner/PlacesSidebar.test.tsx

@@ -124,6 +124,40 @@ describe('PlacesSidebar', () => {
     expect(screen.getByText('Central Park')).toBeInTheDocument();
   });
 
+  it('FE-COMP-PLACES-009a: selected visible place is scrolled into view', async () => {
+    const scrollIntoView = Element.prototype.scrollIntoView as unknown as ReturnType<typeof vi.fn>;
+    scrollIntoView.mockClear();
+    const places = [
+      buildPlace({ id: 10, name: 'First Place' }),
+      buildPlace({ id: 42, name: 'Map Click Target' }),
+    ];
+
+    render(<PlacesSidebar {...defaultProps} places={places} selectedPlaceId={42} />);
+
+    const selectedRow = screen.getByText('Map Click Target').closest('[data-place-id="42"]');
+    expect(selectedRow).toHaveAttribute('aria-selected', 'true');
+    await waitFor(() => {
+      expect(scrollIntoView).toHaveBeenCalledWith({ behavior: 'smooth', block: 'center' });
+    });
+  });
+
+  it('FE-COMP-PLACES-009b: selected place hidden by search is not scrolled', async () => {
+    const user = userEvent.setup();
+    const scrollIntoView = Element.prototype.scrollIntoView as unknown as ReturnType<typeof vi.fn>;
+    const places = [
+      buildPlace({ id: 10, name: 'Visible Cafe' }),
+      buildPlace({ id: 42, name: 'Hidden Museum' }),
+    ];
+    const { rerender } = render(<PlacesSidebar {...defaultProps} places={places} selectedPlaceId={null} />);
+
+    await user.type(screen.getByPlaceholderText(/Search places/i), 'Visible');
+    scrollIntoView.mockClear();
+    rerender(<PlacesSidebar {...defaultProps} places={places} selectedPlaceId={42} />);
+
+    expect(screen.queryByText('Hidden Museum')).not.toBeInTheDocument();
+    expect(scrollIntoView).not.toHaveBeenCalled();
+  });
+
   it('FE-COMP-PLACES-010: shows place count', () => {
     const places = [buildPlace({ name: 'P1' }), buildPlace({ name: 'P2' }), buildPlace({ name: 'P3' })];
     render(<PlacesSidebar {...defaultProps} places={places} />);

client/src/components/Planner/PlacesSidebarList.tsx

@@ -5,7 +5,7 @@ export function PlacesList(S: SidebarState) {
   const {
     filtered, scrollContainerRef, onScrollTopChange, filter, t, canEditPlaces, onAddPlace,
     categories, selectedPlaceId, plannedIds, inDaySet, selectedIds, selectMode, selectedDayId,
-    isMobile, onPlaceClick, openContextMenu, onAssignToDay, toggleSelected, setDayPickerPlace,
+    isMobile, onPlaceClick, openContextMenu, onAssignToDay, toggleSelected, setDayPickerPlace, registerPlaceRow,
   } = S
   return (
     <div className="trek-stagger" style={{ flex: 1, overflowY: 'auto', minHeight: 0 }} ref={scrollContainerRef} onScroll={(e) => onScrollTopChange?.((e.currentTarget as HTMLElement).scrollTop)}>
@@ -44,6 +44,7 @@ export function PlacesList(S: SidebarState) {
               onAssignToDay={onAssignToDay}
               toggleSelected={toggleSelected}
               setDayPickerPlace={setDayPickerPlace}
+              registerPlaceRow={registerPlaceRow}
             />
           )
         })

client/src/components/Planner/PlacesSidebarRow.tsx

@@ -21,17 +21,21 @@ interface MemoPlaceRowProps {
   onAssignToDay: (placeId: number, dayId?: number) => void
   toggleSelected: (id: number) => void
   setDayPickerPlace: (place: any) => void
+  registerPlaceRow: (placeId: number, element: HTMLDivElement | null) => void
 }
 
 export const MemoPlaceRow = React.memo(function MemoPlaceRow({
   place, category: cat, isSelected, isPlanned, inDay, isChecked,
   selectMode, selectedDayId, canEditPlaces, isMobile, t,
-  onPlaceClick, onContextMenu, onAssignToDay, toggleSelected, setDayPickerPlace,
+  onPlaceClick, onContextMenu, onAssignToDay, toggleSelected, setDayPickerPlace, registerPlaceRow,
 }: MemoPlaceRowProps) {
   const hasGeometry = Boolean(place.route_geometry)
   return (
     <div
       key={place.id}
+      ref={element => registerPlaceRow(place.id, element)}
+      aria-selected={isSelected}
+      data-place-id={place.id}
       draggable={!selectMode}
       onDragStart={e => {
         e.dataTransfer.setData('placeId', String(place.id))

client/src/components/Planner/usePlacesSidebar.ts

@@ -59,6 +59,8 @@ export function usePlacesSidebar(props: PlacesSidebarProps) {
   const [sidebarDragOver, setSidebarDragOver] = useState(false)
   const sidebarDragCounter = useRef(0)
   const scrollContainerRef = useRef<HTMLDivElement | null>(null)
+  const placeRowRefs = useRef(new Map<number, HTMLDivElement>())
+  const lastAutoScrolledPlaceIdRef = useRef<number | null>(null)
   useLayoutEffect(() => {
     if (scrollContainerRef.current && initialScrollTop) {
       scrollContainerRef.current.scrollTop = initialScrollTop
@@ -197,6 +199,28 @@ export function usePlacesSidebar(props: PlacesSidebarProps) {
     return true
   }), [places, filter, categoryFilters, search, plannedIds])
 
+  const registerPlaceRow = useCallback((placeId: number, element: HTMLDivElement | null) => {
+    if (element) {
+      placeRowRefs.current.set(placeId, element)
+    } else {
+      placeRowRefs.current.delete(placeId)
+    }
+  }, [])
+
+  useEffect(() => {
+    if (!props.selectedPlaceId) {
+      lastAutoScrolledPlaceIdRef.current = null
+      return
+    }
+    if (lastAutoScrolledPlaceIdRef.current === props.selectedPlaceId) return
+    if (!filtered.some(place => place.id === props.selectedPlaceId)) return
+
+    const selectedRow = placeRowRefs.current.get(props.selectedPlaceId)
+    if (!selectedRow) return
+    selectedRow.scrollIntoView({ behavior: 'smooth', block: 'center' })
+    lastAutoScrolledPlaceIdRef.current = props.selectedPlaceId
+  }, [filtered, props.selectedPlaceId])
+
   const isAssignedToSelectedDay = (placeId) =>
     selectedDayId && (assignments[String(selectedDayId)] || []).some(a => a.place?.id === placeId)
 
@@ -234,7 +258,7 @@ export function usePlacesSidebar(props: PlacesSidebarProps) {
     selectMode, setSelectMode, selectedIds, setSelectedIds, pendingDeleteIds, setPendingDeleteIds,
     exitSelectMode, toggleSelected, toggleCategoryFilter, dayPickerPlace, setDayPickerPlace,
     catDropOpen, setCatDropOpen, mobileShowDays, setMobileShowDays,
-    hasTracks, plannedIds, filtered, isAssignedToSelectedDay, inDaySet, openContextMenu,
+    hasTracks, plannedIds, filtered, registerPlaceRow, isAssignedToSelectedDay, inDaySet, openContextMenu,
   }
 }