feat(ST-1112): refactor task-list to open TaskDialog via URL params

Replaces inline create/edit forms with router.push navigation:
- Clicking a task row → ?editTask=<id>
- "+ Taak" button → ?newTask=1&storyId=<storyId>
Removes CreateTaskForm, EditSubmitButton, updateTaskAction, and
createTaskAction from the component. Status toggle and DnD remain
unchanged. Rows now have cursor-pointer and keyboard a11y.

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

components/sprint/task-list.tsx

@@ -1,7 +1,7 @@
 'use client'
 
-import { useState, useTransition, useEffect, useActionState } from 'react'
-import { useFormStatus } from 'react-dom'
+import { useState, useTransition, useEffect } from 'react'
+import { useRouter, usePathname } from 'next/navigation'
 import {
   DndContext, DragEndEvent, DragOverlay,
   KeyboardSensor, PointerSensor, useSensor, useSensors, closestCenter,
@@ -13,17 +13,13 @@ import {
 import { CSS } from '@dnd-kit/utilities'
 import { toast } from 'sonner'
 import { Button } from '@/components/ui/button'
-import { Input } from '@/components/ui/input'
 import { Badge } from '@/components/ui/badge'
 import { CodeBadge } from '@/components/shared/code-badge'
 import { PanelNavBar } from '@/components/shared/panel-nav-bar'
 import { PRIORITY_BORDER } from '@/components/backlog/backlog-card'
 import { deriveTaskCode } from '@/lib/code'
 import { useSprintStore } from '@/stores/sprint-store'
-import {
-  createTaskAction, updateTaskStatusAction, updateTaskAction,
-  deleteTaskAction, reorderTasksAction,
-} from '@/actions/tasks'
+import { updateTaskStatusAction, reorderTasksAction } from '@/actions/tasks'
 import { DemoTooltip } from '@/components/shared/demo-tooltip'
 import { cn } from '@/lib/utils'
 
@@ -60,69 +56,69 @@ interface TaskListProps {
 }
 
 function SortableTaskRow({
-  task, code, isDemo, onStatusToggle, onDelete,
-}: { task: Task; code: string | null; isDemo: boolean; onStatusToggle: () => void; onDelete: () => void }) {
-  const [editing, setEditing] = useState(false)
+  task, code, isDemo, onStatusToggle, onEdit,
+}: {
+  task: Task
+  code: string | null
+  isDemo: boolean
+  onStatusToggle: () => void
+  onEdit: () => void
+}) {
   const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({ id: task.id })
   const style = { transform: CSS.Transform.toString(transform), transition, opacity: isDragging ? 0.4 : 1 }
 
-  const [, formAction] = useActionState(
-    async (_prev: unknown, fd: FormData) => {
-      const result = await updateTaskAction(_prev, fd)
-      if (result?.success) setEditing(false)
-      return result
-    },
-    undefined
-  )
-
-  if (editing) {
-    return (
-      <div ref={setNodeRef} style={style} className="px-2 py-1">
-        <div className={cn('rounded border border-border px-3 py-2 bg-surface-container', PRIORITY_BORDER[task.priority])}>
-          <form action={formAction} className="space-y-2">
-            <input type="hidden" name="id" value={task.id} />
-            <input type="hidden" name="priority" value={task.priority} />
-            <Input name="title" defaultValue={task.title} className="h-7 text-sm" required autoFocus />
-            <div className="flex gap-2">
-              <EditSubmitButton />
-              <Button type="button" variant="ghost" size="sm" className="h-7" onClick={() => setEditing(false)}>Annuleren</Button>
-            </div>
-          </form>
-        </div>
-      </div>
-    )
-  }
-
   return (
     <div ref={setNodeRef} style={style} className="group px-2 py-1">
-      <div className={cn(
-        'flex items-start gap-2 rounded border border-border px-3 py-2 transition-colors bg-surface-container hover:bg-surface-container-high',
-        PRIORITY_BORDER[task.priority]
-      )}>
+      <div
+        className={cn(
+          'flex items-start gap-2 rounded border border-border px-3 py-2 transition-colors bg-surface-container hover:bg-surface-container-high cursor-pointer',
+          PRIORITY_BORDER[task.priority],
+        )}
+        onClick={() => onEdit()}
+        role="button"
+        tabIndex={0}
+        aria-label={`Bewerk taak: ${task.title}`}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault()
+            onEdit()
+          }
+        }}
+      >
         {!isDemo && (
-          <span {...attributes} {...listeners} className="text-muted-foreground cursor-grab active:cursor-grabbing shrink-0 text-sm select-none mt-0.5" aria-hidden="true">⠿</span>
+          <span
+            {...attributes}
+            {...listeners}
+            onClick={(e) => e.stopPropagation()}
+            className="text-muted-foreground cursor-grab active:cursor-grabbing shrink-0 text-sm select-none mt-0.5"
+            aria-hidden="true"
+          >
+            ⠿
+          </span>
         )}
         <div className="flex-1 min-w-0">
           <div className="flex items-start justify-between gap-2">
-            <p className={cn('text-sm leading-snug line-clamp-2 flex-1', task.status === 'DONE' && 'line-through text-muted-foreground')}>
+            <p className={cn(
+              'text-sm leading-snug line-clamp-2 flex-1',
+              task.status === 'DONE' && 'line-through text-muted-foreground',
+            )}>
               {task.title}
             </p>
             {code && <CodeBadge code={code} className="shrink-0 mt-0.5" />}
           </div>
-          <div className="flex items-center justify-between gap-2 mt-1.5">
-            <button onClick={onStatusToggle} disabled={isDemo} aria-label={`Status: ${STATUS_LABELS[task.status]}`}>
-              <Badge className={cn('text-[10px] px-1.5 py-0 border cursor-pointer hover:opacity-80 transition-opacity', STATUS_COLORS[task.status])}>
+          <div className="mt-1.5">
+            <button
+              onClick={(e) => { e.stopPropagation(); onStatusToggle() }}
+              disabled={isDemo}
+              aria-label={`Status: ${STATUS_LABELS[task.status]}`}
+            >
+              <Badge className={cn(
+                'text-[10px] px-1.5 py-0 border cursor-pointer hover:opacity-80 transition-opacity',
+                STATUS_COLORS[task.status],
+              )}>
                 {STATUS_LABELS[task.status]}
               </Badge>
             </button>
-            <div className="opacity-0 group-hover:opacity-100 flex gap-1 shrink-0">
-              <DemoTooltip show={isDemo}>
-                <button onClick={() => !isDemo && setEditing(true)} disabled={isDemo} className="text-xs text-muted-foreground hover:text-foreground disabled:opacity-40 disabled:cursor-not-allowed">Bewerk</button>
-              </DemoTooltip>
-              <DemoTooltip show={isDemo}>
-                <button onClick={() => !isDemo && onDelete()} disabled={isDemo} aria-label="Verwijder taak" className="text-xs text-muted-foreground hover:text-error disabled:opacity-40 disabled:cursor-not-allowed">×</button>
-              </DemoTooltip>
-            </div>
           </div>
         </div>
       </div>
@@ -130,48 +126,12 @@ function SortableTaskRow({
   )
 }
 
-function EditSubmitButton() {
-  const { pending } = useFormStatus()
-  return <Button type="submit" size="sm" className="h-7" disabled={pending}>{pending ? '…' : 'Opslaan'}</Button>
-}
-
-function CreateTaskForm({ storyId, sprintId, onDone }: { storyId: string; sprintId: string; onDone: () => void }) {
-  const [state, formAction] = useActionState(
-    async (_prev: unknown, fd: FormData) => {
-      const result = await createTaskAction(_prev, fd)
-      if (result?.success) { onDone(); return result }
-      if (result?.error) toast.error(typeof result.error === 'string' ? result.error : 'Aanmaken mislukt')
-      return result
-    },
-    undefined
-  )
-  return (
-    <form action={formAction} className="flex flex-col gap-1.5 px-4 py-2 border-b border-border">
-      <input type="hidden" name="storyId" value={storyId} />
-      <input type="hidden" name="sprintId" value={sprintId} />
-      <input type="hidden" name="priority" value="2" />
-      <div className="flex gap-2">
-        <Input name="title" autoFocus placeholder="Taaknaam…" className="h-7 text-sm flex-1" required />
-        <CreateSubmitButton />
-        <Button type="button" variant="ghost" size="sm" className="h-7" aria-label="Annuleer" onClick={onDone}>×</Button>
-      </div>
-      {state && 'error' in state && typeof state.error === 'string' && (
-        <p className="text-xs text-destructive">{state.error}</p>
-      )}
-    </form>
-  )
-}
-
-function CreateSubmitButton() {
-  const { pending } = useFormStatus()
-  return <Button type="submit" size="sm" className="h-7" disabled={pending}>{pending ? '…' : 'Toevoegen'}</Button>
-}
-
-export function TaskList({ storyId, storyCode, sprintId, productId: _productId, tasks, isDemo }: TaskListProps) {
+export function TaskList({ storyId, storyCode, sprintId: _sprintId, productId: _productId, tasks, isDemo }: TaskListProps) {
   const { taskOrder, initTasks, reorderTasks, rollbackTasks } = useSprintStore()
-  const [creating, setCreating] = useState(false)
   const [activeDragId, setActiveDragId] = useState<string | null>(null)
   const [, startTransition] = useTransition()
+  const router = useRouter()
+  const pathname = usePathname()
 
   const idKey = tasks.map(t => t.id).join(',')
   useEffect(() => {
@@ -187,7 +147,7 @@ export function TaskList({ storyId, storyCode, sprintId, productId: _productId,
 
   const sensors = useSensors(
     useSensor(PointerSensor, { activationConstraint: { distance: 5 } }),
-    useSensor(KeyboardSensor, { coordinateGetter: sortableKeyboardCoordinates })
+    useSensor(KeyboardSensor, { coordinateGetter: sortableKeyboardCoordinates }),
   )
 
   function handleDragEnd(event: DragEndEvent) {
@@ -209,11 +169,12 @@ export function TaskList({ storyId, storyCode, sprintId, productId: _productId,
     })
   }
 
-  function handleDelete(id: string) {
-    startTransition(async () => {
-      const result = await deleteTaskAction(id)
-      if (result && 'error' in result) toast.error(result.error ?? 'Verwijderen mislukt')
-    })
+  function openCreateDialog() {
+    router.push(`${pathname}?newTask=1&storyId=${storyId}`)
+  }
+
+  function openEditDialog(taskId: string) {
+    router.push(`${pathname}?editTask=${taskId}`)
   }
 
   return (
@@ -224,22 +185,32 @@ export function TaskList({ storyId, storyCode, sprintId, productId: _productId,
           <>
             <span className="text-xs text-muted-foreground">{doneCount}/{orderedTasks.length} klaar</span>
             <DemoTooltip show={isDemo}>
-              <Button size="sm" className="h-7 text-xs" disabled={isDemo} onClick={() => !isDemo && setCreating(true)}>+ Taak</Button>
+              <Button
+                size="sm"
+                className="h-7 text-xs"
+                disabled={isDemo}
+                onClick={() => !isDemo && openCreateDialog()}
+              >
+                + Taak
+              </Button>
             </DemoTooltip>
           </>
         }
       />
 
       <div className="flex-1 overflow-y-auto">
-        {creating && (
-          <CreateTaskForm storyId={storyId} sprintId={sprintId} onDone={() => setCreating(false)} />
-        )}
-
-        {orderedTasks.length === 0 && !creating ? (
+        {orderedTasks.length === 0 ? (
           <div className="text-center mt-8 space-y-3">
             <p className="text-sm text-muted-foreground">Geen taken voor deze story.</p>
             <DemoTooltip show={isDemo}>
-              <Button size="sm" variant="outline" disabled={isDemo} onClick={() => !isDemo && setCreating(true)}>Maak eerste taak aan</Button>
+              <Button
+                size="sm"
+                variant="outline"
+                disabled={isDemo}
+                onClick={() => !isDemo && openCreateDialog()}
+              >
+                Maak eerste taak aan
+              </Button>
             </DemoTooltip>
           </div>
         ) : (
@@ -258,7 +229,7 @@ export function TaskList({ storyId, storyCode, sprintId, productId: _productId,
                   code={deriveTaskCode(storyCode, idx + 1)}
                   isDemo={isDemo}
                   onStatusToggle={() => handleStatusToggle(task)}
-                  onDelete={() => handleDelete(task.id)}
+                  onEdit={() => openEditDialog(task.id)}
                 />
               ))}
             </SortableContext>
@@ -266,7 +237,7 @@ export function TaskList({ storyId, storyCode, sprintId, productId: _productId,
               {activeDragId && taskMap[activeDragId] && (
                 <div className={cn(
                   'rounded border border-primary px-3 py-2 bg-surface-container shadow-lg opacity-90 text-sm',
-                  PRIORITY_BORDER[taskMap[activeDragId].priority]
+                  PRIORITY_BORDER[taskMap[activeDragId].priority],
                 )}>
                   {taskMap[activeDragId].title}
                 </div>