diff --git a/components/admin/jobs-table.tsx b/components/admin/jobs-table.tsx
index 2d7e7d3..a236bed 100644
--- a/components/admin/jobs-table.tsx
+++ b/components/admin/jobs-table.tsx
@@ -101,7 +101,7 @@ function JobRow({ job }: { job: Job }) {
 
 function StatusTable({ jobs }: { jobs: Job[] }) {
   return (
-    <Table>
+    <Table data-debug-id="admin-jobs-table__table">
       <TableHeader>
         <TableRow>
           <TableHead>ID</TableHead>
@@ -172,7 +172,7 @@ function CostRow({ job }: { job: Job }) {
 
 function CostsTable({ jobs }: { jobs: Job[] }) {
   return (
-    <Table>
+    <Table data-debug-id="admin-jobs-table__table">
       <TableHeader>
         <TableRow>
           <TableHead>ID</TableHead>
@@ -204,8 +204,8 @@ export function JobsTable({ jobs }: { jobs: Job[] }) {
   const [view, setView] = useState<'status' | 'costs'>('status')
 
   return (
-    <div className="space-y-3" {...debugProps('jobs-table', 'JobsTable', 'components/admin/jobs-table.tsx')}>
-      <div className="flex gap-1">
+    <div className="space-y-3" {...debugProps('admin-jobs-table', 'JobsTable', 'components/admin/jobs-table.tsx')}>
+      <div className="flex gap-1" data-debug-id="admin-jobs-table__header">
         <Button
           size="sm"
           variant={view === 'status' ? 'default' : 'outline'}
diff --git a/components/admin/products-table.tsx b/components/admin/products-table.tsx
index 9b98b4d..afcdc63 100644
--- a/components/admin/products-table.tsx
+++ b/components/admin/products-table.tsx
@@ -79,8 +79,8 @@ function DeleteDialog({ product }: { product: Product }) {
 
 export function ProductsTable({ products }: { products: Product[] }) {
   return (
-    <Table {...debugProps('products-table', 'ProductsTable', 'components/admin/products-table.tsx')}>
-      <TableHeader>
+    <Table {...debugProps('admin-products-table', 'ProductsTable', 'components/admin/products-table.tsx')}>
+      <TableHeader data-debug-id="admin-products-table__header">
         <TableRow>
           <TableHead>Naam</TableHead>
           <TableHead>Eigenaar</TableHead>
@@ -91,7 +91,7 @@ export function ProductsTable({ products }: { products: Product[] }) {
           <TableHead className="text-right">Acties</TableHead>
         </TableRow>
       </TableHeader>
-      <TableBody>
+      <TableBody data-debug-id="admin-products-table__table">
         {products.length === 0 && (
           <TableRow>
             <TableCell colSpan={7} className="text-center text-muted-foreground py-8">
diff --git a/components/admin/users-table.tsx b/components/admin/users-table.tsx
index 7c96c0b..32161c5 100644
--- a/components/admin/users-table.tsx
+++ b/components/admin/users-table.tsx
@@ -191,8 +191,8 @@ export function UsersTable({
   currentUserId: string
 }) {
   return (
-    <Table {...debugProps('users-table', 'UsersTable', 'components/admin/users-table.tsx')}>
-      <TableHeader>
+    <Table {...debugProps('admin-users-table', 'UsersTable', 'components/admin/users-table.tsx')}>
+      <TableHeader data-debug-id="admin-users-table__header">
         <TableRow>
           <TableHead>Gebruiker</TableHead>
           <TableHead>Email</TableHead>
@@ -202,7 +202,7 @@ export function UsersTable({
           <TableHead className="text-right">Acties</TableHead>
         </TableRow>
       </TableHeader>
-      <TableBody>
+      <TableBody data-debug-id="admin-users-table__table">
         {users.map(user => (
           <TableRow key={user.id}>
             <TableCell className="font-medium">{user.username}</TableCell>
diff --git a/components/auth/auth-form.tsx b/components/auth/auth-form.tsx
index 6ec179b..4879c57 100644
--- a/components/auth/auth-form.tsx
+++ b/components/auth/auth-form.tsx
@@ -4,13 +4,14 @@ import { useActionState } from 'react'
 import { useFormStatus } from 'react-dom'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
+import { debugProps } from '@/lib/debug'
 
 type ActionResult = { error: string | Record<string, string[]> } | undefined
 
 function SubmitButton({ label }: { label: string }) {
   const { pending } = useFormStatus()
   return (
-    <Button type="submit" className="w-full" disabled={pending}>
+    <Button type="submit" className="w-full" disabled={pending} data-debug-id="auth-form__submit">
       {pending ? 'Even wachten…' : label}
     </Button>
   )
@@ -34,7 +35,7 @@ export function AuthForm({ action, submitLabel }: AuthFormProps) {
   const errorMessage = getErrorMessage(state)
 
   return (
-    <form action={formAction} className="space-y-4">
+    <form action={formAction} className="space-y-4" {...debugProps('auth-form', 'AuthForm', 'components/auth/auth-form.tsx')}>
       <div className="space-y-2">
         <label htmlFor="username" className="text-sm font-medium text-foreground">
           Gebruikersnaam
@@ -48,6 +49,7 @@ export function AuthForm({ action, submitLabel }: AuthFormProps) {
           minLength={3}
           placeholder="jouw-naam"
           className="bg-input-background border-border focus-visible:ring-primary"
+          data-debug-id="auth-form__username"
         />
       </div>
 
@@ -64,6 +66,7 @@ export function AuthForm({ action, submitLabel }: AuthFormProps) {
           minLength={8}
           placeholder="••••••••"
           className="bg-input-background border-border focus-visible:ring-primary"
+          data-debug-id="auth-form__password"
         />
       </div>
 
diff --git a/components/dialogs/product-dialog.tsx b/components/dialogs/product-dialog.tsx
index 937627a..20eeaea 100644
--- a/components/dialogs/product-dialog.tsx
+++ b/components/dialogs/product-dialog.tsx
@@ -172,6 +172,7 @@ export function ProductDialog(props: Props) {
             id="product-form"
             onSubmit={form.handleSubmit(onSubmit)}
             className={entityDialogBodyClasses}
+            data-debug-id="product-dialog__content"
           >
             <div className="grid gap-1.5">
               <label htmlFor="product-name" className="text-sm font-medium">
@@ -296,7 +297,7 @@ export function ProductDialog(props: Props) {
                 Annuleren
               </Button>
               <DemoTooltip show={isDemo}>
-                <Button type="submit" form="product-form" disabled={isPending || isDemo}>
+                <Button type="submit" form="product-form" disabled={isPending || isDemo} data-debug-id="product-dialog__submit">
                   {isPending ? '…' : mode === 'edit' ? 'Opslaan' : 'Aanmaken'}
                 </Button>
               </DemoTooltip>
diff --git a/components/entity-dialog/dirty-close-guard.tsx b/components/entity-dialog/dirty-close-guard.tsx
index eedd362..6828191 100644
--- a/components/entity-dialog/dirty-close-guard.tsx
+++ b/components/entity-dialog/dirty-close-guard.tsx
@@ -1,6 +1,7 @@
 'use client'
 
 import { useState } from 'react'
+import { debugProps } from '@/lib/debug'
 import {
   AlertDialog,
   AlertDialogContent,
@@ -33,7 +34,7 @@ export function DirtyCloseGuard({ isDirty, onConfirm, children }: DirtyCloseGuar
     <>
       {children(attemptClose)}
       <AlertDialog open={open} onOpenChange={setOpen}>
-        <AlertDialogContent size="sm">
+        <AlertDialogContent size="sm" {...debugProps('dirty-close-guard', 'DirtyCloseGuard', 'components/entity-dialog/dirty-close-guard.tsx')}>
           <AlertDialogHeader>
             <AlertDialogTitle>Wijzigingen niet opgeslagen</AlertDialogTitle>
             <AlertDialogDescription>
@@ -41,11 +42,12 @@ export function DirtyCloseGuard({ isDirty, onConfirm, children }: DirtyCloseGuar
             </AlertDialogDescription>
           </AlertDialogHeader>
           <AlertDialogFooter>
-            <AlertDialogCancel onClick={() => setOpen(false)}>
+            <AlertDialogCancel data-debug-id="dirty-close-guard__cancel" onClick={() => setOpen(false)}>
               Blijven
             </AlertDialogCancel>
             <AlertDialogAction
               variant="destructive"
+              data-debug-id="dirty-close-guard__confirm"
               onClick={() => { setOpen(false); onConfirm() }}
             >
               Weggooien
diff --git a/components/mobile/landscape-guard.tsx b/components/mobile/landscape-guard.tsx
index 40d90c9..c344d92 100644
--- a/components/mobile/landscape-guard.tsx
+++ b/components/mobile/landscape-guard.tsx
@@ -26,7 +26,7 @@ export function LandscapeGuard({ children }: { children: React.ReactNode }) {
           {...debugProps('landscape-guard', 'LandscapeGuard', 'components/mobile/landscape-guard.tsx')}
         >
           <RotateCw className="size-12 text-primary" />
-          <p className="text-base font-medium text-center">Draai je telefoon naar landscape</p>
+          <p className="text-base font-medium text-center" data-debug-id="landscape-guard__title">Draai je telefoon naar landscape</p>
         </div>
       )}
     </>
diff --git a/components/mobile/mobile-tab-bar.tsx b/components/mobile/mobile-tab-bar.tsx
index daf3af4..b29fb36 100644
--- a/components/mobile/mobile-tab-bar.tsx
+++ b/components/mobile/mobile-tab-bar.tsx
@@ -54,6 +54,7 @@ export function MobileTabBar({ activeProductId }: MobileTabBarProps) {
             href={tab.href}
             aria-label={tab.label}
             aria-current={active ? 'page' : undefined}
+            data-debug-id={`mobile-tab-bar__tab-${tab.label.toLowerCase()}`}
             className={cn(
               'flex-1 h-14 flex items-center justify-center transition-colors',
               active
diff --git a/components/split-pane/split-pane.tsx b/components/split-pane/split-pane.tsx
index 1b2434b..52d1710 100644
--- a/components/split-pane/split-pane.tsx
+++ b/components/split-pane/split-pane.tsx
@@ -163,6 +163,7 @@ export function SplitPane({
         <Fragment key={i}>
           {i > 0 && (
             <div
+              data-debug-id="split-pane__divider"
               onMouseDown={() => setDragging(i - 1)}
               className={cn(
                 'w-1 shrink-0 bg-border hover:bg-primary transition-colors cursor-col-resize',
@@ -173,6 +174,7 @@ export function SplitPane({
           <div
             className="flex flex-col overflow-hidden"
             style={i === n - 1 ? { flex: 1 } : { width: `${splits[i]}%` }}
+            data-debug-id={i === 0 ? 'split-pane__left' : i === n - 1 ? 'split-pane__right' : undefined}
           >
             {pane}
           </div>