feat(catalog): add auto-category wizard with live preview and smart suggestions

- Add AutoCategoryDialog: pick furni (or empty page), suggest caption/icon/layout, live preview
- Add createAutoCategory server action (page + offers in one export) with CatalogKind
- Extend furni search API with interactionType
- Share ShopTile and refactor inline-editor/items-shop-preview to use it
- Add suggestion heuristics (suggestCategoryName/dIcon/layout) with tests
- Add autoCategory translations (en/nl)

src/messages/nl.json

@@ -1925,6 +1925,47 @@
 						"clubHint": "Beperkt toegang tot gebruikers met een HC-abonnement.",
 						"yes": "Ja",
 						"no": "Nee"
+					},
+					"preview": {
+						"label": "Live catalogusvoorbeeld",
+						"title": "Live voorbeeld",
+						"on": "Aan",
+						"off": "Uit",
+						"untitled": "Naamloze pagina",
+						"noItems": "Nog geen aanbiedingen op deze pagina",
+						"items": "aanbieding(en)",
+						"disabledHint": "Deze pagina is uitgeschakeld — spelers zien haar niet.",
+						"suggestedLayout": "Betere indeling voorgesteld",
+						"suggestedLayoutReason": "Deze pagina {reason}. Schakel over naar “{layout}” zodat deze overeenkomt met wat spelers verwachten.",
+						"applyLayout": "Indeling toepassen"
+					},
+					"autoCategory": {
+						"title": "Auto-Categorie",
+						"itemsBadge": "{count} items",
+						"fromFurni": "Vanuit furni",
+						"emptyPage": "Lege pagina",
+						"searchPlaceholder": "Zoek furni op naam of classname…",
+						"noResults": "Geen resultaten",
+						"added": "Toegevoegd",
+						"price": "Prijs",
+						"free": "Gratis",
+						"setPrice": "Stel een prijs in",
+						"credits": "Credits",
+						"points": "Punten",
+						"pointsType": "Type",
+						"parent": "Bovenliggende categorie",
+						"root": "Catalogus-hoofdmap",
+						"caption": "Naam",
+						"captionPlaceholder": "bijv. Stoelen, Behang…",
+						"icon": "Icoon",
+						"pickIcon": "Kies icoon",
+						"layout": "Indeling",
+						"suggestedLayout": "Voorgesteld: {layout}",
+						"enabled": "Ingeschakeld",
+						"visible": "Zichtbaar",
+						"cancel": "Annuleren",
+						"create": "Aanmaken",
+						"createWithItems": "Aanmaken ({count} items)"
 					}
 				},
 				"bulk": {