feat(ST-507): add code input to Product, Pbi and Story forms

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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

@@ -48,6 +48,7 @@ export default async function ProductSettingsPage({ params }: Props) {
         defaultValues={{
           id: product.id,
           name: product.name,
+          code: product.code,
           description: product.description ?? '',
           repo_url: product.repo_url ?? '',
           definition_of_done: product.definition_of_done,

components/backlog/pbi-dialog.tsx

@@ -23,6 +23,7 @@ export interface PbiDialogPbi {
   title: string
   priority: number
   description?: string | null
+  code?: string | null
 }
 
 type CreateState = { mode: 'create'; productId: string; defaultPriority?: number }
@@ -101,17 +102,30 @@ export function PbiDialog({ state, onClose }: PbiDialogProps) {
           {!isEdit && <input type="hidden" name="productId" value={(state as CreateState | null)?.productId ?? ''} />}
           <input type="hidden" name="priority" value={priority} />
 
-          <div className="grid gap-1.5">
-            <label htmlFor="pbi-title" className="text-sm font-medium">Titel</label>
-            <Input
-              id="pbi-title"
-              ref={titleRef}
-              name="title"
-              defaultValue={pbi?.title ?? ''}
-              placeholder="PBI-titel…"
-              required
-              maxLength={200}
-            />
+          <div className="grid grid-cols-[6rem_1fr] gap-3">
+            <div className="grid gap-1.5">
+              <label htmlFor="pbi-code" className="text-sm font-medium">Code</label>
+              <Input
+                id="pbi-code"
+                name="code"
+                defaultValue={pbi?.code ?? ''}
+                placeholder={isEdit ? '' : 'auto'}
+                maxLength={30}
+                className="font-mono text-sm"
+              />
+            </div>
+            <div className="grid gap-1.5">
+              <label htmlFor="pbi-title" className="text-sm font-medium">Titel</label>
+              <Input
+                id="pbi-title"
+                ref={titleRef}
+                name="title"
+                defaultValue={pbi?.title ?? ''}
+                placeholder="PBI-titel…"
+                required
+                maxLength={200}
+              />
+            </div>
           </div>
 
           <div className="grid gap-1.5">

components/backlog/story-dialog.tsx

@@ -124,7 +124,14 @@ export function StoryDialog({ state, onClose, isDemo = false }: StoryDialogProps
     <Dialog open={!!state} onOpenChange={(open) => { if (!open) onClose() }}>
       <DialogContent className="sm:max-w-lg flex flex-col gap-0 p-0 max-h-[90vh] overflow-hidden">
         <DialogHeader className="px-5 pt-5 pb-4 border-b border-border shrink-0 pr-14">
-          <DialogTitle>{isEdit ? story!.title : 'Nieuwe story'}</DialogTitle>
+          <div className="flex items-start gap-2">
+            <DialogTitle className="flex-1">{isEdit ? story!.title : 'Nieuwe story'}</DialogTitle>
+            {isEdit && story!.code && (
+              <span className="font-mono text-[11px] text-muted-foreground border border-border rounded-md bg-surface-container px-1.5 py-0.5 shrink-0 mt-0.5">
+                {story!.code}
+              </span>
+            )}
+          </div>
           {isEdit && (
             <div className="flex gap-2 mt-1">
               <Badge className={cn('text-xs border', PRIORITY_COLORS[priority])}>
@@ -154,17 +161,30 @@ export function StoryDialog({ state, onClose, isDemo = false }: StoryDialogProps
           <div className="flex-1 overflow-y-auto">
             {showForm ? (
               <div className="p-5 space-y-4">
-                <div className="space-y-1.5">
-                  <label className="text-xs font-medium text-muted-foreground uppercase tracking-wide">Titel</label>
-                  <Input
-                    ref={titleRef}
-                    name="title"
-                    defaultValue={story?.title ?? ''}
-                    required
-                    maxLength={200}
-                    className={fieldError('title') ? 'border-error' : ''}
-                  />
-                  {fieldError('title') && <p className="text-xs text-error">{fieldError('title')}</p>}
+                <div className="grid grid-cols-[6rem_1fr] gap-3">
+                  <div className="space-y-1.5">
+                    <label className="text-xs font-medium text-muted-foreground uppercase tracking-wide">Code</label>
+                    <Input
+                      name="code"
+                      defaultValue={story?.code ?? ''}
+                      placeholder={isEdit ? '' : 'auto'}
+                      maxLength={30}
+                      className={cn('font-mono text-sm', fieldError('code') ? 'border-error' : '')}
+                    />
+                    {fieldError('code') && <p className="text-xs text-error">{fieldError('code')}</p>}
+                  </div>
+                  <div className="space-y-1.5">
+                    <label className="text-xs font-medium text-muted-foreground uppercase tracking-wide">Titel</label>
+                    <Input
+                      ref={titleRef}
+                      name="title"
+                      defaultValue={story?.title ?? ''}
+                      required
+                      maxLength={200}
+                      className={fieldError('title') ? 'border-error' : ''}
+                    />
+                    {fieldError('title') && <p className="text-xs text-error">{fieldError('title')}</p>}
+                  </div>
                 </div>
 
                 <div className="space-y-1.5">

components/products/product-form.tsx

@@ -5,6 +5,7 @@ import { useFormStatus } from 'react-dom'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Textarea } from '@/components/ui/textarea'
+import { cn } from '@/lib/utils'
 
 type FieldErrors = Record<string, string[]>
 type ActionResult = { error?: string | FieldErrors; success?: boolean } | undefined
@@ -34,6 +35,7 @@ interface ProductFormProps {
   defaultValues?: {
     id?: string
     name?: string
+    code?: string | null
     description?: string
     repo_url?: string
     definition_of_done?: string
@@ -52,21 +54,39 @@ export function ProductForm({ action, submitLabel, defaultValues }: ProductFormP
         <input type="hidden" name="id" value={defaultValues.id} />
       )}
 
-      <div className="space-y-1.5">
-        <label htmlFor="name" className="text-sm font-medium text-foreground">
-          Naam <span className="text-error">*</span>
-        </label>
-        <Input
-          id="name"
-          name="name"
-          required
-          defaultValue={defaultValues?.name}
-          placeholder="bijv. DevPlanner"
-          className={fieldError('name') ? 'border-error' : ''}
-        />
-        {fieldError('name') && (
-          <p className="text-xs text-error">{fieldError('name')}</p>
-        )}
+      <div className="grid grid-cols-[8rem_1fr] gap-3">
+        <div className="space-y-1.5">
+          <label htmlFor="code" className="text-sm font-medium text-foreground">
+            Code
+          </label>
+          <Input
+            id="code"
+            name="code"
+            defaultValue={defaultValues?.code ?? ''}
+            placeholder="optioneel"
+            maxLength={30}
+            className={cn('font-mono text-sm', fieldError('code') ? 'border-error' : '')}
+          />
+          {fieldError('code') && (
+            <p className="text-xs text-error">{fieldError('code')}</p>
+          )}
+        </div>
+        <div className="space-y-1.5">
+          <label htmlFor="name" className="text-sm font-medium text-foreground">
+            Naam <span className="text-error">*</span>
+          </label>
+          <Input
+            id="name"
+            name="name"
+            required
+            defaultValue={defaultValues?.name}
+            placeholder="bijv. DevPlanner"
+            className={fieldError('name') ? 'border-error' : ''}
+          />
+          {fieldError('name') && (
+            <p className="text-xs text-error">{fieldError('name')}</p>
+          )}
+        </div>
       </div>
 
       <div className="space-y-1.5">