Merge pull request 'fix(issue-80): show all 13 house images + 3D floor plans' (#81) from fix/issue-80-show-all-images into main

Reviewed-on: #81

app/Locales/de.php

@@ -69,6 +69,10 @@ return [
     'gallery.kid1'           => 'Kinderzimmer 1 · 21,7 m²',
     'gallery.kid2'           => 'Kinderzimmer 2 · 15,7 m²',
     'gallery.kid_detail'     => 'Kinderzimmer Detail',
+    'gallery.kid_extra'      => 'Kinderzimmer · Spielbereich',
+    'gallery.bath2'          => 'Badezimmer · 6,4 m²',
+    'gallery.bath3'          => 'Badezimmer · 5,8 m²',
+    'gallery.bath4'          => 'Badezimmer · Wellness',
     'gallery.guest'          => 'Gästezimmer · 11,5 m²',
     'gallery.area1'          => 'Wohnbereich',
     'gallery.area2'          => 'Wohnbereich Detail',
@@ -80,9 +84,11 @@ return [
     'gallery.alt.kid1'       => 'Kinderzimmer 1 mit 21,7 m²',
     'gallery.alt.kid2'       => 'Kinderzimmer 2 mit 15,7 m²',
     'gallery.alt.kid_detail' => 'Detailansicht Kinderzimmer',
+    'gallery.alt.kid_extra'  => 'Spielbereich im Kinderzimmer',
     'gallery.alt.guest'      => 'Gästezimmer mit 11,5 m²',
     'gallery.alt.bath2'      => 'Zweites Badezimmer im Haus',
     'gallery.alt.bath3'      => 'Drittes Badezimmer im Haus',
+    'gallery.alt.bath4'      => 'Viertes Badezimmer im Haus',
     'gallery.alt.exterior'   => 'Außenansicht des Einfamilienhauses',
 
     // ─── Floor plans (Grundriss) ────────────────────────────────────────
@@ -120,6 +126,10 @@ return [
     'floors.alt.og1'         => 'Grundriss 1. Obergeschoss',
     'floors.alt.og2'         => 'Grundriss 2. Obergeschoss',
     'floors.alt.attic'       => 'Grundriss Dachboden',
+    'floors.alt.eg_3d'       => '3D-Ansicht Erdgeschoss',
+    'floors.alt.og1_3d'      => '3D-Ansicht 1. Obergeschoss',
+    'floors.alt.og2_3d'      => '3D-Ansicht 2. Obergeschoss',
+    'floors.alt.attic_2'     => 'Alternative Ansicht Dachboden',
 
     // ─── Rent (Miete) ────────────────────────────────────────────────────
     'rent.eyebrow'           => 'Mietkonditionen',

app/Locales/en.php

@@ -59,6 +59,10 @@ return [
     'gallery.kid1'           => 'Child\'s room 1 · 21.7 m²',
     'gallery.kid2'           => 'Child\'s room 2 · 15.7 m²',
     'gallery.kid_detail'     => 'Child\'s room detail',
+    'gallery.kid_extra'      => 'Child\'s room · play area',
+    'gallery.bath2'          => 'Bathroom · 6.4 m²',
+    'gallery.bath3'          => 'Bathroom · 5.8 m²',
+    'gallery.bath4'          => 'Bathroom · wellness',
     'gallery.guest'          => 'Guest room · 11.5 m²',
     'gallery.area1'          => 'Living area',
     'gallery.area2'          => 'Living area detail',
@@ -70,9 +74,11 @@ return [
     'gallery.alt.kid1'       => 'Child\'s room 1 with 21.7 m²',
     'gallery.alt.kid2'       => 'Child\'s room 2 with 15.7 m²',
     'gallery.alt.kid_detail' => 'Child\'s room detail view',
+    'gallery.alt.kid_extra'  => 'Play area in the child\'s room',
     'gallery.alt.guest'      => 'Guest room with 11.5 m²',
     'gallery.alt.bath2'      => 'Second bathroom in the house',
     'gallery.alt.bath3'      => 'Third bathroom in the house',
+    'gallery.alt.bath4'      => 'Fourth bathroom in the house',
     'gallery.alt.exterior'   => 'Exterior view of the detached house',
 
     'floors.eyebrow'         => 'Layout',
@@ -109,6 +115,10 @@ return [
     'floors.alt.og1'         => 'Floor plan 1st upper floor',
     'floors.alt.og2'         => 'Floor plan 2nd upper floor',
     'floors.alt.attic'       => 'Floor plan attic',
+    'floors.alt.eg_3d'       => '3D view ground floor',
+    'floors.alt.og1_3d'      => '3D view 1st upper floor',
+    'floors.alt.og2_3d'      => '3D view 2nd upper floor',
+    'floors.alt.attic_2'     => 'Alternative view of the attic',
 
     'rent.eyebrow'           => 'Rental terms',
     'rent.aria'              => 'Rental terms',

app/Locales/ru.php

@@ -59,6 +59,10 @@ return [
     'gallery.kid1'           => 'Детская 1 · 21,7 м²',
     'gallery.kid2'           => 'Детская 2 · 15,7 м²',
     'gallery.kid_detail'     => 'Деталь детской',
+    'gallery.kid_extra'      => 'Детская · игровая зона',
+    'gallery.bath2'          => 'Ванная · 6,4 м²',
+    'gallery.bath3'          => 'Ванная · 5,8 м²',
+    'gallery.bath4'          => 'Ванная · велнес',
     'gallery.guest'          => 'Гостевая комната · 11,5 м²',
     'gallery.area1'          => 'Жилая зона',
     'gallery.area2'          => 'Деталь жилой зоны',
@@ -70,9 +74,11 @@ return [
     'gallery.alt.kid1'       => 'Детская комната 1 — 21,7 м²',
     'gallery.alt.kid2'       => 'Детская комната 2 — 15,7 м²',
     'gallery.alt.kid_detail' => 'Детальный вид детской комнаты',
+    'gallery.alt.kid_extra'  => 'Игровая зона в детской комнате',
     'gallery.alt.guest'      => 'Гостевая комната 11,5 м²',
     'gallery.alt.bath2'      => 'Вторая ванная комната в доме',
     'gallery.alt.bath3'      => 'Третья ванная комната в доме',
+    'gallery.alt.bath4'      => 'Четвертая ванная комната в доме',
     'gallery.alt.exterior'   => 'Внешний вид частного дома',
 
     'floors.eyebrow'         => 'Планировка',
@@ -109,6 +115,10 @@ return [
     'floors.alt.og1'         => 'План второго этажа',
     'floors.alt.og2'         => 'План третьего этажа',
     'floors.alt.attic'       => 'План чердака',
+    'floors.alt.eg_3d'       => '3D-вид первого этажа',
+    'floors.alt.og1_3d'      => '3D-вид второго этажа',
+    'floors.alt.og2_3d'      => '3D-вид третьего этажа',
+    'floors.alt.attic_2'     => 'Альтернативный вид чердака',
 
     'rent.eyebrow'           => 'Условия аренды',
     'rent.aria'              => 'Условия аренды',

app/Locales/uk.php

@@ -59,6 +59,10 @@ return [
     'gallery.kid1'           => 'Дитяча кімната 1 · 21,7 м²',
     'gallery.kid2'           => 'Дитяча кімната 2 · 15,7 м²',
     'gallery.kid_detail'     => 'Деталь дитячої кімнати',
+    'gallery.kid_extra'      => 'Дитяча кімната · ігрова зона',
+    'gallery.bath2'          => 'Ванна кімната · 6,4 м²',
+    'gallery.bath3'          => 'Ванна кімната · 5,8 м²',
+    'gallery.bath4'          => 'Ванна кімната · велнес',
     'gallery.guest'          => 'Гостьова кімната · 11,5 м²',
     'gallery.area1'          => 'Житлова зона',
     'gallery.area2'          => 'Деталь житлової зони',
@@ -70,9 +74,11 @@ return [
     'gallery.alt.kid1'       => 'Дитяча кімната 1 — 21,7 м²',
     'gallery.alt.kid2'       => 'Дитяча кімната 2 — 15,7 м²',
     'gallery.alt.kid_detail' => 'Детальний вигляд дитячої кімнати',
+    'gallery.alt.kid_extra'  => 'Ігрова зона в дитячій кімнаті',
     'gallery.alt.guest'      => 'Гостьова кімната 11,5 м²',
     'gallery.alt.bath2'      => 'Друга ванна кімната в будинку',
     'gallery.alt.bath3'      => 'Третя ванна кімната в будинку',
+    'gallery.alt.bath4'      => 'Четверта ванна кімната в будинку',
     'gallery.alt.exterior'   => 'Зовнішній вигляд приватного будинку',
 
     'floors.eyebrow'         => 'Планування',
@@ -109,6 +115,10 @@ return [
     'floors.alt.og1'         => 'План другого поверху',
     'floors.alt.og2'         => 'План третього поверху',
     'floors.alt.attic'       => 'План горища',
+    'floors.alt.eg_3d'       => '3D-вигляд першого поверху',
+    'floors.alt.og1_3d'      => '3D-вигляд другого поверху',
+    'floors.alt.og2_3d'      => '3D-вигляд третього поверху',
+    'floors.alt.attic_2'     => 'Альтернативний вигляд горища',
 
     'rent.eyebrow'           => 'Умови оренди',
     'rent.aria'              => 'Умови оренди',

app/views/home/index.php

@@ -23,9 +23,13 @@ $gridItems = [
     ['img' => 'bilder/Küche 1.jpg',            'key' => 'gallery.kitchen',     'alt' => 'gallery.alt.kitchen',     'class' => ''],
     ['img' => 'bilder/schlafzimmer.png',       'key' => 'gallery.bedroom',     'alt' => 'gallery.alt.bedroom',     'class' => ''],
     ['img' => 'bilder/Bad.jpg',                'key' => 'gallery.bath',        'alt' => 'gallery.alt.bath',        'class' => ''],
+    ['img' => 'bilder/Bad-2.jpeg',             'key' => 'gallery.bath2',       'alt' => 'gallery.alt.bath2',       'class' => ''],
+    ['img' => 'bilder/Bad-3.jpeg',             'key' => 'gallery.bath3',       'alt' => 'gallery.alt.bath3',       'class' => ''],
+    ['img' => 'bilder/Bad-4.jpeg',             'key' => 'gallery.bath4',       'alt' => 'gallery.alt.bath4',       'class' => ''],
     ['img' => 'bilder/Kinderzimmer 2.jpg',     'key' => 'gallery.kid1',        'alt' => 'gallery.alt.kid1',        'class' => ''],
     ['img' => 'bilder/Kinderzimmer 3.jpg',     'key' => 'gallery.kid2',        'alt' => 'gallery.alt.kid2',        'class' => ''],
     ['img' => 'bilder/kinderzimmer 2 2.webp',  'key' => 'gallery.kid_detail',  'alt' => 'gallery.alt.kid_detail',  'class' => 'span-2 row-1'],
+    ['img' => 'bilder/Kinderzimmer.png',       'key' => 'gallery.kid_extra',   'alt' => 'gallery.alt.kid_extra',   'class' => ''],
     ['img' => 'bilder/Außenansicht-2.png',     'key' => 'gallery.area3',       'alt' => 'gallery.alt.exterior',    'class' => 'span-2 row-1'],
 ];
 ?>
@@ -112,6 +116,13 @@ $gridItems = [
       'attic' => 'bilder/grundrisse/Dachboden unten.png',
   ];
 
+  $floorImageMapExtra = [
+      'eg'    => ['img' => 'bilder/grundrisse/EG 3D.png',          'altKey' => 'floors.alt.eg_3d'],
+      'og1'   => ['img' => 'bilder/grundrisse/OG 1 3D.png',         'altKey' => 'floors.alt.og1_3d'],
+      'og2'   => ['img' => 'bilder/grundrisse/OG 2 3D.png',         'altKey' => 'floors.alt.og2_3d'],
+      'attic' => ['img' => 'bilder/grundrisse/Dachboden unten 2.png', 'altKey' => 'floors.alt.attic_2'],
+  ];
+
   $floors = [
       ['id' => 'eg',   'titleKey' => 'floors.eg.title',  'areaKey' => 'floors.eg.area',  'altKey' => 'floors.alt.eg',
        'rooms' => [
@@ -153,12 +164,26 @@ $gridItems = [
         <summary class="floor-header">
           <span class="floor-title"><?= htmlspecialchars($t($floor['titleKey']), ENT_QUOTES) ?></span>
           <span class="floor-area"><?= htmlspecialchars($t($floor['areaKey']), ENT_QUOTES) ?></span>
+          <span class="floor-icon" aria-hidden="true">+</span>
         </summary>
         <div class="floor-body">
-          <img src="/<?= htmlspecialchars($floorImageMap[$floor['id']] ?? 'bilder/grundrisse/EG.png', ENT_QUOTES) ?>"
-               alt="<?= htmlspecialchars($t($floor['altKey']), ENT_QUOTES) ?>"
-               loading="lazy" decoding="async"
-               class="floor-plan-img">
+          <?php
+            $primaryImg  = $floorImageMap[$floor['id']] ?? 'bilder/grundrisse/EG.png';
+            $extra       = $floorImageMapExtra[$floor['id']] ?? null;
+            $wrapperCls  = $extra ? 'floor-plan-multi' : 'floor-plan';
+          ?>
+          <div class="<?= htmlspecialchars($wrapperCls, ENT_QUOTES) ?>">
+            <img src="/<?= htmlspecialchars($primaryImg, ENT_QUOTES) ?>"
+                 alt="<?= htmlspecialchars($t($floor['altKey']), ENT_QUOTES) ?>"
+                 loading="lazy" decoding="async"
+                 class="floor-plan-img">
+            <?php if ($extra !== null): ?>
+              <img src="/<?= htmlspecialchars($extra['img'], ENT_QUOTES) ?>"
+                   alt="<?= htmlspecialchars($t($extra['altKey']), ENT_QUOTES) ?>"
+                   loading="lazy" decoding="async"
+                   class="floor-plan-img">
+            <?php endif; ?>
+          </div>
           <ul class="room-list">
             <?php foreach ($floor['rooms'] as $room): ?>
               <li>

public/css/haus-schleusingen.css

@@ -548,6 +548,12 @@ nav.scrolled {
   margin: 0 auto;
 }
 
+.gallery-section .section-head {
+  max-width: 1400px;
+  margin: 0 auto;
+  padding: 5rem 1.5rem 2.5rem;
+}
+
 .gallery-header h2 {
   font-family: "Cormorant Garamond", serif;
   font-size: clamp(2rem, 3vw, 2.8rem);
@@ -636,6 +642,10 @@ nav.scrolled {
   .gallery-header {
     padding: 3rem 1.5rem 2rem;
   }
+
+  .gallery-section .section-head {
+    padding: 3rem 1rem 2rem;
+  }
 }
 
 @media (width <= 480px) {
@@ -660,26 +670,63 @@ nav.scrolled {
   color: var(--charcoal);
 }
 
-.floor-accordion {
-  border-top: 1px solid var(--warm);
+.floors-accordion {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  margin-top: -0.75rem;
 }
 
 .floor-item {
-  border-bottom: 1px solid var(--warm);
+  border: 1px solid var(--warm);
+  border-radius: 4px;
+  background: var(--white);
   overflow: hidden;
+  position: relative;
+  transition:
+    border-color 0.25s ease,
+    box-shadow 0.25s ease;
+}
+
+.floor-item:hover {
+  border-color: var(--stone);
+}
+
+.floor-item.open {
+  border-color: var(--accent);
+  box-shadow: 0 4px 20px rgb(28 26 23 / 6%);
+}
+
+.floor-item.open::before {
+  content: "";
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  width: 3px;
+  background: var(--accent);
 }
 
 .floor-header {
   display: flex;
-  justify-content: space-between;
   align-items: center;
-  padding: 1.5rem 0;
+  gap: 1rem;
+  padding: 1.25rem 1.5rem;
   cursor: pointer;
-  transition: color 0.2s;
+  list-style: none;
+  transition: background 0.2s ease;
 }
 
-.floor-header:hover .floor-title {
-  color: var(--accent);
+.floor-header::-webkit-details-marker {
+  display: none;
+}
+
+.floor-header::marker {
+  content: "";
+}
+
+.floor-header:hover {
+  background: var(--cream);
 }
 
 .floor-title {
@@ -689,41 +736,60 @@ nav.scrolled {
   transition: color 0.2s;
 }
 
-.floor-size {
+.floor-header:hover .floor-title {
+  color: var(--accent);
+}
+
+.floor-area {
+  margin-left: auto;
   font-size: 0.78rem;
   letter-spacing: 0.1em;
   color: var(--stone);
   display: flex;
   align-items: center;
-  gap: 1rem;
+  gap: 0.75rem;
 }
 
 .floor-icon {
-  width: 24px;
-  height: 24px;
-  border: 1px solid var(--warm);
+  width: 32px;
+  height: 32px;
+  border: 1.5px solid var(--warm);
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
-  font-size: 0.8rem;
+  font-size: 1.15rem;
+  font-weight: 300;
+  line-height: 1;
   color: var(--stone);
+  background: var(--white);
+  flex-shrink: 0;
   transition:
-    transform 0.3s,
-    border-color 0.3s;
+    transform 0.3s ease,
+    border-color 0.25s ease,
+    color 0.25s ease,
+    background 0.25s ease;
+}
+
+.floor-header:hover .floor-icon {
+  border-color: var(--accent);
+  color: var(--accent);
 }
 
 .floor-item.open .floor-icon {
   transform: rotate(45deg);
   border-color: var(--accent);
   color: var(--accent);
+  background: var(--cream);
 }
 
 .floor-body {
   display: none;
-  padding: 0 0 1.5rem;
+  padding: 0 1.5rem 1.5rem;
   max-width: 100%;
   overflow: hidden;
+  border-top: 1px solid var(--warm);
+  margin-top: -1px;
 }
 
 .floor-rooms-grid {
@@ -747,7 +813,8 @@ nav.scrolled {
   color: var(--stone);
 }
 
-.floor-plan {
+.floor-plan,
+.floor-plan-multi {
   margin-top: 1.5rem;
   border: 1px solid var(--warm);
   background: var(--white);
@@ -755,14 +822,6 @@ nav.scrolled {
   max-width: 100%;
 }
 
-.floor-plan img {
-  width: 100%;
-  max-width: 100%;
-  height: auto;
-  display: block;
-  object-fit: contain;
-}
-
 .floor-plan-multi {
   display: grid;
   grid-template-columns: 1fr 1fr;
@@ -770,7 +829,9 @@ nav.scrolled {
   background: var(--warm);
 }
 
-.floor-plan-multi img {
+.floor-plan img,
+.floor-plan-multi img,
+img.floor-plan-img {
   width: 100%;
   max-width: 100%;
   height: auto;
@@ -779,6 +840,42 @@ nav.scrolled {
   background: var(--white);
 }
 
+/* Room list — visible m² per floor */
+.room-list {
+  list-style: none;
+  margin: 1.5rem 0 0;
+  padding: 0;
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
+  gap: 0.5rem;
+}
+
+.room-list li {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  padding: 0.75rem 1rem;
+  background: var(--cream);
+  font-size: 0.82rem;
+  color: var(--charcoal);
+}
+
+.room-name {
+  flex: 1 1 auto;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.room-size {
+  flex: 0 0 auto;
+  font-size: 0.72rem;
+  color: var(--stone);
+  letter-spacing: 0.05em;
+}
+
 @media (width <= 768px) {
   .floor-plan-multi {
     grid-template-columns: 1fr;
@@ -789,6 +886,8 @@ nav.scrolled {
 .pricing-section {
   background: var(--dark);
   padding: 6rem 3rem;
+  max-width: 1200px;
+  margin: 0 auto;
 }
 
 .pricing-inner {
@@ -1044,6 +1143,8 @@ nav.scrolled {
 .contact-section {
   background: var(--cream);
   padding: 6rem 3rem;
+  max-width: 1200px;
+  margin: 0 auto;
 }
 
 .contact-inner {
@@ -1664,3 +1765,113 @@ nav:not(.scrolled) .locale-switcher__trigger:focus-visible {
   outline: 2px solid #b91c1c;
   outline-offset: 2px;
 }
+
+/* LEGAL PAGES (Impressum, Datenschutz) */
+.legal-page {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 6rem 3rem;
+  color: var(--dark);
+}
+
+.legal-page .section-eyebrow {
+  display: block;
+  margin-bottom: 1rem;
+}
+
+.legal-page h1 {
+  font-family: "Cormorant Garamond", serif;
+  font-size: clamp(2rem, 3.5vw, 3rem);
+  font-weight: 300;
+  line-height: 1.2;
+  margin-bottom: 2.5rem;
+  color: var(--charcoal);
+}
+
+.legal-page h2 {
+  font-family: "DM Sans", sans-serif;
+  font-size: 1.1rem;
+  font-weight: 600;
+  letter-spacing: 0.04em;
+  color: var(--charcoal);
+  margin: 2rem 0 0.75rem;
+}
+
+.legal-page h3 {
+  font-family: "DM Sans", sans-serif;
+  font-size: 0.85rem;
+  font-weight: 600;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: var(--stone-strong);
+  margin: 1.5rem 0 0.5rem;
+}
+
+.legal-page p,
+.legal-page address,
+.legal-page li {
+  font-size: 0.95rem;
+  line-height: 1.85;
+  color: var(--stone-strong);
+}
+
+.legal-page address {
+  font-style: normal;
+  margin-bottom: 1rem;
+}
+
+.legal-page ul {
+  list-style: disc;
+  padding-left: 1.5rem;
+  margin: 0.5rem 0 1.25rem;
+}
+
+.legal-page ul li {
+  margin-bottom: 0.25rem;
+}
+
+.legal-page a {
+  color: var(--accent);
+  text-decoration: none;
+  border-bottom: 1px solid rgb(139 105 20 / 25%);
+  transition:
+    border-color 0.2s,
+    color 0.2s;
+}
+
+.legal-page a:hover {
+  color: var(--accent-strong);
+  border-bottom-color: var(--accent-strong);
+}
+
+.legal-divider {
+  border: none;
+  border-top: 1px solid var(--warm);
+  margin: 2.5rem 0;
+}
+
+.legal-back {
+  display: inline-block;
+  margin-top: 2.5rem;
+  font-size: 0.78rem;
+  font-weight: 600;
+  letter-spacing: 0.15em;
+  text-transform: uppercase;
+  color: var(--accent);
+  border-bottom: 1px solid var(--accent);
+  padding-bottom: 2px;
+  transition:
+    color 0.2s,
+    border-color 0.2s;
+}
+
+.legal-back:hover {
+  color: var(--accent-strong);
+  border-bottom-color: var(--accent-strong);
+}
+
+@media (width <= 768px) {
+  .legal-page {
+    padding: 4rem 1.5rem;
+  }
+}

tests/Views/HomeGalleryInventoryTest.php

@@ -0,0 +1,178 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Views;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Regression test for issue #80: all house images in public/bilder/ must be
+ * referenced from the home view. Catches drift when new photos are added to
+ * disk but not yet wired into the gallery or floor-plan map.
+ */
+final class HomeGalleryInventoryTest extends TestCase
+{
+    private const VIEW_PATH = __DIR__ . '/../../app/views/home/index.php';
+    private const BILDER_DIR = __DIR__ . '/../../public/bilder';
+
+    /** @var list<string> Files that may exist on disk but are intentionally NOT shown on the page. */
+    private const ALLOWED_UNUSED = [
+        // Hero / page background uses a .webp variant; the .png in bilder/ is the
+        // gallery source. Hero-bg is referenced separately in the <header>.
+        'favicon/',
+        // -small.* variants are served as thumb hints by JS lazy-load optimization.
+        '*-small.*',
+    ];
+
+    public function testAllBilderFilesAreReferencedInHomeView(): void
+    {
+        $view = file_get_contents(self::VIEW_PATH);
+        self::assertNotFalse($view, 'Could not read home view');
+
+        $diskFiles = $this->listBilderFiles();
+        self::assertNotEmpty($diskFiles, 'No files found in public/bilder/');
+
+        // Group files by base name (filename without extension) so the
+        // .jpg/.png/.jpeg source + auto-generated .webp variant count as ONE image.
+        $groups = [];
+        foreach ($diskFiles as $relPath) {
+            if ($this->isAllowedUnused($relPath)) {
+                continue;
+            }
+            $groups[$this->baseOf($relPath)][] = $relPath;
+        }
+
+        $missing = [];
+        foreach ($groups as $base => $variants) {
+            $hit = false;
+            foreach ($variants as $v) {
+                // View may reference raw or with leading slash.
+                if (str_contains($view, $v) || str_contains($view, '/' . ltrim($v, '/'))) {
+                    $hit = true;
+                    break;
+                }
+            }
+            if (!$hit) {
+                $missing[] = $base . ' (' . implode(', ', $variants) . ')';
+            }
+        }
+
+        self::assertSame(
+            [],
+            $missing,
+            sprintf(
+                "These image groups exist in public/bilder/ but are NOT referenced anywhere in the home view:\n  - %s\n\nFix: add them to \$gridItems (gallery) or \$floorImageMap / \$floorImageMapExtra (floor plans), and add the matching Locale keys.",
+                implode("\n  - ", $missing),
+            )
+        );
+    }
+
+    public function testGalleryContainsAllRequiredImages(): void
+    {
+        $view = file_get_contents(self::VIEW_PATH);
+        self::assertNotFalse($view, 'Could not read home view');
+
+        $required = [
+            // Bathrooms (3 new ones in addition to the existing Bad.jpg)
+            'bilder/Bad.jpg',
+            'bilder/Bad-2.jpeg',
+            'bilder/Bad-3.jpeg',
+            'bilder/Bad-4.jpeg',
+            // Kids room extras
+            'bilder/Kinderzimmer.png',
+            // Floor plans 2D
+            'bilder/grundrisse/EG.png',
+            'bilder/grundrisse/OG 1 2.png',
+            'bilder/grundrisse/OG 2 grundriss.png',
+            'bilder/grundrisse/Dachboden unten.png',
+            // Floor plans 3D / alternate
+            'bilder/grundrisse/EG 3D.png',
+            'bilder/grundrisse/OG 1 3D.png',
+            'bilder/grundrisse/OG 2 3D.png',
+            'bilder/grundrisse/Dachboden unten 2.png',
+        ];
+
+        $missing = array_values(array_filter($required, static fn (string $img) => !str_contains($view, $img)));
+
+        self::assertSame(
+            [],
+            $missing,
+            sprintf(
+                "Required images missing from home view:\n  - %s",
+                implode("\n  - ", $missing),
+            )
+        );
+    }
+
+    public function testFloorPlanMapsCoverAllFloors(): void
+    {
+        $view = file_get_contents(self::VIEW_PATH);
+        self::assertNotFalse($view, 'Could not read home view');
+
+        // Each floor in the $floors array must have an entry in BOTH maps
+        // (primary 2D + extra 3D/alternate) so the floor body renders both.
+        foreach (['eg', 'og1', 'og2', 'attic'] as $floorId) {
+            self::assertStringContainsString(
+                "'{$floorId}'",
+                $view,
+                "Floor '{$floorId}' not declared in home view",
+            );
+        }
+    }
+
+    /**
+     * @return list<string> relative paths (forward-slash, e.g. "grundrisse/EG.png")
+     */
+    private function listBilderFiles(): array
+    {
+        $files = [];
+        $iter  = new \RecursiveIteratorIterator(
+            new \RecursiveDirectoryIterator(self::BILDER_DIR, \FilesystemIterator::SKIP_DOTS),
+        );
+
+        foreach ($iter as $file) {
+            if (!$file->isFile()) {
+                continue;
+            }
+            $rel = substr($file->getPathname(), strlen(self::BILDER_DIR) + 1);
+            $rel = str_replace(DIRECTORY_SEPARATOR, '/', $rel);
+            $files[] = $rel;
+        }
+
+        sort($files);
+        return $files;
+    }
+
+    private function isAllowedUnused(string $relPath): bool
+    {
+        foreach (self::ALLOWED_UNUSED as $pattern) {
+            if (str_ends_with($pattern, '/')) {
+                // Directory prefix
+                if (str_starts_with($relPath, $pattern)) {
+                    return true;
+                }
+            } else {
+                // Glob-style match (only `*` supported, for `-small.*` variants)
+                $regex = '#^' . str_replace('\\*', '.*', preg_quote($pattern, '#')) . '$#';
+                if (preg_match($regex, $relPath) === 1) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Base name = path minus extension. So "grundrisse/EG 3D.png" → "grundrisse/EG 3D",
+     * and "Küche 1.jpg" → "Küche 1". Used to group source + auto-generated variants.
+     */
+    private function baseOf(string $relPath): string
+    {
+        $dot = strrpos($relPath, '.');
+        if ($dot === false || $dot === 0) {
+            return $relPath;
+        }
+        return substr($relPath, 0, $dot);
+    }
+}