feat(backlog): migrate StoryPanel to store-driven + selectStory on click

Removes storiesByPbi prop; reads from useBacklogStore. Card click now
dispatches selectStory(id) + shows isSelected highlight. Edit moved to
inline pencil button. page.tsx drops pbis/storiesByPbi props.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/(app)/products/[id]/page.tsx

@@ -137,13 +137,11 @@ export default async function ProductBacklogPage({ params, searchParams }: Props
               <PbiList
                 key="pbi"
                 productId={id}
-                pbis={pbis.map((p: (typeof pbis)[number]) => ({ id: p.id, code: p.code, title: p.title, priority: p.priority, description: p.description, created_at: p.created_at, status: pbiStatusToApi(p.status) }))}
                 isDemo={isDemo}
               />,
               <StoryPanel
                 key="story"
                 productId={id}
-                storiesByPbi={storiesByPbi}
                 isDemo={isDemo}
               />,
               <TaskPanel

components/backlog/story-panel.tsx

@@ -27,6 +27,7 @@ import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@
 import { PanelNavBar } from '@/components/shared/panel-nav-bar'
 import { useSelectionStore } from '@/stores/selection-store'
 import { usePlannerStore } from '@/stores/planner-store'
+import { useBacklogStore } from '@/stores/backlog-store'
 import { reorderStoriesAction } from '@/actions/stories'
 import { StoryDialog, type StoryDialogState } from './story-dialog'
 import { BacklogCard } from './backlog-card'
@@ -60,17 +61,20 @@ export interface Story {
 
 interface StoryPanelProps {
   productId: string
-  storiesByPbi: Record<string, Story[]>
   isDemo: boolean
 }
 
 // --- Sortable story block ---
 function SortableStoryBlock({
   story,
-  onClick,
+  isSelected,
+  onSelect,
+  onEdit,
 }: {
   story: Story
-  onClick: () => void
+  isSelected: boolean
+  onSelect: () => void
+  onEdit: () => void
 }) {
   const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({
     id: story.id,
@@ -92,19 +96,33 @@ function SortableStoryBlock({
       code={story.code}
       priority={story.priority}
       isDragging={isDragging}
-      onClick={onClick}
+      isSelected={isSelected}
+      onClick={onSelect}
       badge={
         <Badge className={cn('text-[10px] px-1.5 py-0 border', STATUS_COLORS[story.status])}>
           {STATUS_LABELS[story.status] ?? story.status}
         </Badge>
       }
+      actions={
+        <button
+          onClick={(e) => { e.stopPropagation(); onEdit() }}
+          className="text-muted-foreground hover:text-foreground p-0.5 rounded transition-colors"
+          aria-label="Story bewerken"
+        >
+          <svg className="size-3.5" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+            <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" />
+            <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" />
+          </svg>
+        </button>
+      }
     />
   )
 }
 
 // --- Main component ---
-export function StoryPanel({ productId, storiesByPbi, isDemo }: StoryPanelProps) {
-  const { selectedPbiId } = useSelectionStore()
+export function StoryPanel({ productId, isDemo }: StoryPanelProps) {
+  const { selectedPbiId, selectedStoryId, selectStory } = useSelectionStore()
+  const storiesByPbi = useBacklogStore((s) => s.storiesByPbi)
   const { storyOrder, initStories, reorderStories, rollbackStories } = usePlannerStore()
   const [filterStatus, setFilterStatus] = useState<string | null>(null)
   const [filterPriority, setFilterPriority] = useState<number | null>(null)
@@ -263,7 +281,9 @@ export function StoryPanel({ productId, storiesByPbi, isDemo }: StoryPanelProps)
                   <SortableStoryBlock
                     key={story.id}
                     story={story}
-                    onClick={() => setStoryDialogState({ mode: 'edit', story, productId })}
+                    isSelected={selectedStoryId === story.id}
+                    onSelect={() => selectStory(story.id)}
+                    onEdit={() => setStoryDialogState({ mode: 'edit', story, productId })}
                   />
                 ))}
               </div>