🆙 Bump version to 4.2.39 [skip ci]

Resolve furnidata from configured source

Database Updates/010_furnidata_edit_log.sql

@@ -0,0 +1,22 @@
+-- 020_furnidata_edit_log.sql
+-- Audit trail for furnidata name/description edits made through the furni editor,
+-- plus config keys for the editor write path. NOTE: *.enabled keys elsewhere are
+-- read via Boolean.parseBoolean (true/false), but these two are numeric.
+CREATE TABLE IF NOT EXISTS `furnidata_edit_log` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `user_id` int(11) NOT NULL,
+  `classname` varchar(255) NOT NULL,
+  `action` enum('edit','revert') NOT NULL DEFAULT 'edit',
+  `old_name` varchar(256) NOT NULL DEFAULT '',
+  `new_name` varchar(256) NOT NULL DEFAULT '',
+  `old_description` varchar(256) NOT NULL DEFAULT '',
+  `new_description` varchar(256) NOT NULL DEFAULT '',
+  `timestamp` int(11) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`),
+  INDEX `idx_classname` (`classname`),
+  INDEX `idx_user` (`user_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+INSERT IGNORE INTO `emulator_settings` (`key`,`value`) VALUES
+('items.furnidata.edit.backup.keep','10'),
+('items.furnidata.edit.ratelimit.ms','2000');

Database Updates/Own_Database_RunFirst/020_furnidata_edit_log.sql

@@ -0,0 +1,22 @@
+-- 020_furnidata_edit_log.sql
+-- Audit trail for furnidata name/description edits made through the furni editor,
+-- plus config keys for the editor write path. NOTE: *.enabled keys elsewhere are
+-- read via Boolean.parseBoolean (true/false), but these two are numeric.
+CREATE TABLE IF NOT EXISTS `furnidata_edit_log` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `user_id` int(11) NOT NULL,
+  `classname` varchar(255) NOT NULL,
+  `action` enum('edit','revert') NOT NULL DEFAULT 'edit',
+  `old_name` varchar(256) NOT NULL DEFAULT '',
+  `new_name` varchar(256) NOT NULL DEFAULT '',
+  `old_description` varchar(256) NOT NULL DEFAULT '',
+  `new_description` varchar(256) NOT NULL DEFAULT '',
+  `timestamp` int(11) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`),
+  INDEX `idx_classname` (`classname`),
+  INDEX `idx_user` (`user_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+INSERT IGNORE INTO `emulator_settings` (`key`,`value`) VALUES
+('items.furnidata.edit.backup.keep','10'),
+('items.furnidata.edit.ratelimit.ms','2000');

Database Updates/Own_Database_RunFirst/021_furnidata_config.sql

@@ -0,0 +1,27 @@
+-- 021_furnidata_config.sql
+-- Seeds the furnidata feature config keys read at runtime by
+-- FurnitureTextProvider / FurnidataReader / FurnidataWatcher and
+-- FurniEditorImportTextEvent. Without these rows a fresh install logs
+-- "Config key not found" for each (ConfigurationManager logs ERROR even
+-- when a default is supplied) and the values are not editable from the DB.
+--
+-- Notes:
+--  * *.enabled keys are read via Boolean.parseBoolean → use true/false (NOT 1/0).
+--  * items.furnidata.path is intentionally empty: when blank the source is
+--    derived from furni.editor.asset.base.path (seeded by 004_furni_editor.sql)
+--    → <base>/furnidata (split-tier) or <base>/FurnitureData.json (single file).
+--  * Editor write-path keys (items.furnidata.edit.*) are seeded by 020.
+
+INSERT IGNORE INTO `emulator_settings` (`key`,`value`) VALUES
+-- Server-authoritative furni names (source of truth = furnidata JSON)
+('items.furnidata.names.enabled','true'),
+('items.furnidata.path',''),
+('items.furnidata.max.bytes','67108864'),
+-- Live-reload watcher
+('items.furnidata.watch.enabled','true'),
+('items.furnidata.watch.debounce.ms','750'),
+('items.furnidata.watch.min.interval.ms','5000'),
+('items.furnidata.delta.cap','500'),
+-- Furni editor: import official names/descriptions from Habbo
+('furni.editor.import.url','https://www.habbo.it/gamedata/furnidata_json/1'),
+('furni.editor.import.cache.ms','600000');

Database Updates/Own_Database_RunFirst/021_furnidata_config_cleanup.sql

@@ -0,0 +1,42 @@
+-- 021_furnidata_config_cleanup.sql
+-- Reverts the emulator_settings rows inserted by 021_furnidata_config.sql.
+--
+-- Safe default:
+-- This script ends with ROLLBACK. Run it once to preview the exact rows, then
+-- change the final ROLLBACK to COMMIT only if the preview is correct.
+
+START TRANSACTION;
+
+DROP TEMPORARY TABLE IF EXISTS cleanup_furnidata_settings;
+CREATE TEMPORARY TABLE cleanup_furnidata_settings (
+    `key` VARCHAR(255) NOT NULL PRIMARY KEY
+);
+
+INSERT INTO cleanup_furnidata_settings (`key`) VALUES
+    ('items.furnidata.names.enabled'),
+    ('items.furnidata.path'),
+    ('items.furnidata.max.bytes'),
+    ('items.furnidata.watch.enabled'),
+    ('items.furnidata.watch.debounce.ms'),
+    ('items.furnidata.watch.min.interval.ms'),
+    ('items.furnidata.delta.cap'),
+    ('furni.editor.import.url'),
+    ('furni.editor.import.cache.ms');
+
+-- Preview rows that will be removed.
+SELECT es.`key`, es.`value`
+FROM emulator_settings es
+JOIN cleanup_furnidata_settings cfs ON cfs.`key` = es.`key`
+ORDER BY es.`key`;
+
+DELETE es
+FROM emulator_settings es
+JOIN cleanup_furnidata_settings cfs ON cfs.`key` = es.`key`;
+
+-- Preview remaining matching rows inside the transaction.
+SELECT COUNT(*) AS remaining_furnidata_settings
+FROM emulator_settings es
+JOIN cleanup_furnidata_settings cfs ON cfs.`key` = es.`key`;
+
+-- Safe default. Change to COMMIT after reviewing the preview.
+ROLLBACK;

Emulator/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.eu.habbo</groupId>
     <artifactId>Habbo</artifactId>
-    <version>4.2.36</version>
+    <version>4.2.39</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -62,6 +62,12 @@
                     <show>public</show>
                 </configuration>
             </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.2.5</version>
+            </plugin>
         </plugins>
     </build>
 
@@ -172,12 +178,20 @@
             <version>0.4</version>
         </dependency>
 
-        <!-- Jakarta Mail � used by the built-in forgot-password endpoint
+        <!-- Jakarta Mail — used by the built-in forgot-password endpoint
              when smtp.* keys are configured in emulator_settings -->
         <dependency>
             <groupId>org.eclipse.angus</groupId>
             <artifactId>jakarta.mail</artifactId>
             <version>2.0.3</version>
         </dependency>
+
+        <!-- JUnit Jupiter -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.10.2</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>

Emulator/src/main/java/com/eu/habbo/habbohotel/GameEnvironment.java

@@ -14,6 +14,7 @@ import com.eu.habbo.habbohotel.crafting.CraftingManager;
 import com.eu.habbo.habbohotel.guides.GuideManager;
 import com.eu.habbo.habbohotel.guilds.GuildManager;
 import com.eu.habbo.habbohotel.hotelview.HotelViewManager;
+import com.eu.habbo.habbohotel.items.FurnitureTextProvider;
 import com.eu.habbo.habbohotel.items.ItemManager;
 import com.eu.habbo.habbohotel.modtool.ModToolManager;
 import com.eu.habbo.habbohotel.modtool.ModToolSanctions;
@@ -47,6 +48,7 @@ public class GameEnvironment {
     private NavigatorManager navigatorManager;
     private GuildManager guildManager;
     private ItemManager itemManager;
+    private FurnitureTextProvider furnitureTextProvider;
     private CatalogManager catalogManager;
     private HotelViewManager hotelViewManager;
     private RoomManager roomManager;
@@ -79,6 +81,8 @@ public class GameEnvironment {
         this.hotelViewManager = new HotelViewManager();
         this.itemManager = new ItemManager();
         this.itemManager.load();
+        this.furnitureTextProvider = new FurnitureTextProvider();
+        this.furnitureTextProvider.init();
         this.botManager = new BotManager();
         this.petManager = new PetManager();
         this.guildManager = new GuildManager();
@@ -161,6 +165,10 @@ public class GameEnvironment {
         return this.itemManager;
     }
 
+    public FurnitureTextProvider getFurnitureTextProvider() {
+        return this.furnitureTextProvider;
+    }
+
     public CatalogManager getCatalogManager() {
         return this.catalogManager;
     }

Emulator/src/main/java/com/eu/habbo/habbohotel/catalog/CatalogManager.java

@@ -1054,13 +1054,13 @@ public class CatalogManager {
                     if (Emulator.getConfig().getBoolean("hotel.catalog.ltd.limit.enabled")) {
                         int ltdLimit = Emulator.getConfig().getInt("hotel.purchase.ltd.limit.daily.total");
                         if (habbo.getHabboStats().totalLtds() >= ltdLimit) {
-                            habbo.alert(Emulator.getTexts().getValue("error.catalog.buy.limited.daily.total").replace("%itemname%", item.getBaseItems().iterator().next().getFullName()).replace("%limit%", ltdLimit + ""));
+                            habbo.alert(Emulator.getTexts().getValue("error.catalog.buy.limited.daily.total").replace("%itemname%", item.getBaseItems().iterator().next().getDisplayName()).replace("%limit%", ltdLimit + ""));
                             return;
                         }
 
                         ltdLimit = Emulator.getConfig().getInt("hotel.purchase.ltd.limit.daily.item");
                         if (habbo.getHabboStats().totalLtds(item.id) >= ltdLimit) {
-                            habbo.alert(Emulator.getTexts().getValue("error.catalog.buy.limited.daily.item").replace("%itemname%", item.getBaseItems().iterator().next().getFullName()).replace("%limit%", ltdLimit + ""));
+                            habbo.alert(Emulator.getTexts().getValue("error.catalog.buy.limited.daily.item").replace("%itemname%", item.getBaseItems().iterator().next().getDisplayName()).replace("%limit%", ltdLimit + ""));
                             return;
                         }
                     }

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnidataEntry.java

@@ -0,0 +1,8 @@
+package com.eu.habbo.habbohotel.items;
+
+/**
+ * One parsed furnidata entry. {@code classname} is the raw furnidata classname
+ * (may carry a {@code *N} colour-variant suffix); the provider keys on the base.
+ */
+public record FurnidataEntry(int id, String classname, FurnitureType type, String name, String description) {
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnidataLock.java

@@ -0,0 +1,13 @@
+package com.eu.habbo.habbohotel.items;
+
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * One process-wide lock serializing every furnidata reindex and every editor-driven
+ * furnidata write, so an editor write never races the file watcher's reindex and the
+ * volatile index is never observed mid-swap by two writers.
+ */
+public final class FurnidataLock {
+    public static final ReentrantLock LOCK = new ReentrantLock();
+    private FurnidataLock() {}
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnidataReader.java

@@ -0,0 +1,172 @@
+package com.eu.habbo.habbohotel.items;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Neutral furnidata reader. Supports a single JSON/JSON5 file or a split-tier
+ * directory ({@code core/custom/seasonal} with {@code manifest.json(5)}).
+ * Never throws: any IO/parse error yields an empty list (the caller decides the
+ * fallback). All resolved paths are guarded against escaping the base dir.
+ */
+public class FurnidataReader {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurnidataReader.class);
+    private static final List<String> DEFAULT_TIERS = Arrays.asList("core", "custom", "seasonal");
+    private static final List<String> MANIFEST_NAMES = Arrays.asList("manifest.json5", "manifest.json");
+    private static final List<String> SECTIONS = Arrays.asList("roomitemtypes", "wallitemtypes");
+
+    private final Path source;
+    private final long maxBytes;
+
+    public FurnidataReader(Path source, long maxBytes) {
+        this.source = source;
+        this.maxBytes = maxBytes;
+    }
+
+    public List<FurnidataEntry> read() {
+        List<FurnidataEntry> out = new ArrayList<>();
+        try {
+            if (this.source == null || !Files.exists(this.source)) return out;
+
+            if (Files.isDirectory(this.source)) {
+                readSplitDir(this.source, out);
+            } else {
+                String content = readJson5Capped(this.source);
+                if (content != null) {
+                    parseRoot(JsonParser.parseString(content).getAsJsonObject(), out);
+                }
+            }
+        } catch (Exception e) {
+            LOGGER.warn("FurnidataReader failed to read {} — returning empty", this.source, e);
+            return new ArrayList<>();
+        }
+        return out;
+    }
+
+    private void readSplitDir(Path base, List<FurnidataEntry> out) {
+        List<String> tiers = readManifestList(base, "tiers", DEFAULT_TIERS);
+        Path baseNorm = base.toAbsolutePath().normalize();
+
+        for (String tier : tiers) {
+            Path tierDir = base.resolve(tier);
+            if (!isInside(baseNorm, tierDir) || !Files.isDirectory(tierDir)) continue;
+
+            for (String fileName : readManifestList(tierDir, "files", List.of())) {
+                Path file = tierDir.resolve(fileName);
+                if (!isInside(baseNorm, file)) {
+                    LOGGER.warn("FurnidataReader: ignoring out-of-base file {}", file);
+                    continue;
+                }
+                if (!Files.exists(file)) continue;
+                try {
+                    String content = readJson5Capped(file);
+                    if (content != null) parseRoot(JsonParser.parseString(content).getAsJsonObject(), out);
+                } catch (Exception e) {
+                    LOGGER.warn("FurnidataReader: failed to parse {}", file, e);
+                }
+            }
+        }
+    }
+
+    private List<String> readManifestList(Path dir, String key, List<String> fallback) {
+        for (String name : MANIFEST_NAMES) {
+            Path m = dir.resolve(name);
+            if (!Files.exists(m)) continue;
+            try {
+                String raw = readJson5Capped(m);
+                if (raw == null) continue;
+                JsonObject obj = JsonParser.parseString(raw).getAsJsonObject();
+                if (obj.has(key) && obj.get(key).isJsonArray()) {
+                    List<String> list = new ArrayList<>();
+                    for (JsonElement el : obj.getAsJsonArray(key)) list.add(el.getAsString());
+                    if (!list.isEmpty()) return list;
+                }
+            } catch (Exception e) {
+                LOGGER.warn("FurnidataReader: bad manifest {}", m, e);
+            }
+        }
+        return fallback;
+    }
+
+    private void parseRoot(JsonObject root, List<FurnidataEntry> out) {
+        for (String section : SECTIONS) {
+            if (!root.has(section)) continue;
+            JsonObject sectionObj = root.getAsJsonObject(section);
+            if (!sectionObj.has("furnitype")) continue;
+            FurnitureType type = section.equals("roomitemtypes") ? FurnitureType.FLOOR : FurnitureType.WALL;
+            JsonArray types = sectionObj.getAsJsonArray("furnitype");
+            for (JsonElement el : types) {
+                JsonObject o = el.getAsJsonObject();
+                if (!o.has("id") || o.get("id").isJsonNull() || !o.has("classname") || o.get("classname").isJsonNull()) continue;
+                out.add(new FurnidataEntry(
+                    o.get("id").getAsInt(),
+                    o.get("classname").getAsString(),
+                    type,
+                    (o.has("name") && !o.get("name").isJsonNull()) ? o.get("name").getAsString() : "",
+                    (o.has("description") && !o.get("description").isJsonNull()) ? o.get("description").getAsString() : ""
+                ));
+            }
+        }
+    }
+
+    /** Returns the JSON5-stripped content, or null if the file exceeds the byte cap. */
+    private String readJson5Capped(Path path) throws Exception {
+        long size = Files.size(path);
+        if (size > this.maxBytes) {
+            LOGGER.warn("FurnidataReader: {} is {} bytes, over cap {} — refusing", path, size, this.maxBytes);
+            return null;
+        }
+        return stripJson5(Files.readString(path, StandardCharsets.UTF_8));
+    }
+
+    private static boolean isInside(Path baseNorm, Path candidate) {
+        return candidate.toAbsolutePath().normalize().startsWith(baseNorm);
+    }
+
+    /**
+     * Strip // and block comments and trailing commas so Gson can parse JSON5.
+     * Known limitation: the trailing-comma pass is a regex over the whole output,
+     * so a string value literally containing ",[whitespace]}" or ",[whitespace]]"
+     * would be altered. Real Habbo furnidata names/descriptions do not contain
+     * that pattern; values are additionally sanitized downstream before use.
+     */
+    static String stripJson5(String content) {
+        if (content == null || content.isEmpty()) return content;
+        StringBuilder out = new StringBuilder(content.length());
+        int i = 0, len = content.length();
+        boolean inString = false, escape = false;
+        char stringChar = 0;
+        while (i < len) {
+            char c = content.charAt(i);
+            if (inString) {
+                out.append(c);
+                if (escape) escape = false;
+                else if (c == '\\') escape = true;
+                else if (c == stringChar) inString = false;
+                i++;
+                continue;
+            }
+            if (c == '"' || c == '\'') { inString = true; stringChar = c; out.append(c); i++; continue; }
+            if (c == '/' && i + 1 < len) {
+                char next = content.charAt(i + 1);
+                if (next == '/') { int eol = content.indexOf('\n', i + 2); if (eol < 0) break; i = eol; continue; }
+                if (next == '*') { int end = content.indexOf("*/", i + 2); if (end < 0) break; i = end + 2; continue; }
+            }
+            out.append(c);
+            i++;
+        }
+        return out.toString().replaceAll(",(\\s*[}\\]])", "$1");
+    }
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnidataSourceResolver.java

@@ -0,0 +1,172 @@
+package com.eu.habbo.habbohotel.items;
+
+import com.eu.habbo.Emulator;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URI;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public final class FurnidataSourceResolver {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurnidataSourceResolver.class);
+
+    public enum Status {
+        RESOLVED,
+        SOURCE_MISSING,
+        CONFIG_MISSING,
+        UNRESOLVED_PLACEHOLDER,
+        ERROR
+    }
+
+    public record Source(Path path, boolean directory, Status status, String message) {
+        public boolean ok() {
+            return this.status == Status.RESOLVED && this.path != null && Files.exists(this.path);
+        }
+    }
+
+    private FurnidataSourceResolver() {
+    }
+
+    public static Source resolve() {
+        try {
+            String override = Emulator.getConfig().getValue("items.furnidata.path", "");
+            if (!override.isEmpty()) {
+                Path p = Paths.get(override);
+                if (Files.exists(p)) return new Source(p, Files.isDirectory(p), Status.RESOLVED, "items.furnidata.path");
+                return new Source(p, Files.isDirectory(p), Status.SOURCE_MISSING, "items.furnidata.path does not exist");
+            }
+
+            String rendererConfigPath = Emulator.getConfig().getValue("furni.editor.renderer.config.path", "");
+            String assetBasePath = Emulator.getConfig().getValue("furni.editor.asset.base.path", "");
+
+            if (!rendererConfigPath.isEmpty()) {
+                Source fromRenderer = resolveFromRendererConfig(Paths.get(rendererConfigPath), assetBasePath.isEmpty() ? null : Paths.get(assetBasePath));
+                if (fromRenderer.ok() || fromRenderer.status() == Status.UNRESOLVED_PLACEHOLDER) return fromRenderer;
+            }
+
+            Source fallback = resolveFromAssetBase(assetBasePath);
+            if (fallback != null) return fallback;
+
+            return new Source(null, false, Status.CONFIG_MISSING, "No furnidata source config found");
+        } catch (Exception e) {
+            LOGGER.warn("FurnidataSourceResolver failed", e);
+            return new Source(null, false, Status.ERROR, e.getMessage() != null ? e.getMessage() : "Resolver error");
+        }
+    }
+
+    public static Source resolveFromRendererConfig(Path rendererConfig, Path assetBase) {
+        try {
+            if (rendererConfig == null || !Files.exists(rendererConfig)) {
+                return new Source(rendererConfig, false, Status.SOURCE_MISSING, "renderer-config path does not exist");
+            }
+
+            String raw = Files.readString(rendererConfig, StandardCharsets.UTF_8);
+            JsonObject rendererObj = JsonParser.parseString(FurnidataReader.stripJson5(raw)).getAsJsonObject();
+            String furniUrl = expandRendererUrl(rendererObj, "furnidata.url");
+
+            if (furniUrl.isBlank()) return new Source(null, false, Status.CONFIG_MISSING, "furnidata.url is missing");
+            if (hasUnresolvedPathPlaceholder(furniUrl)) return new Source(null, false, Status.UNRESOLVED_PLACEHOLDER, furniUrl);
+
+            Source source = toLocalSource(assetBase, furniUrl);
+            if (source == null) return new Source(null, false, Status.CONFIG_MISSING, "furni.editor.asset.base.path is missing");
+            if (!Files.exists(source.path())) return new Source(source.path(), source.directory(), Status.SOURCE_MISSING, "Resolved source does not exist");
+
+            return source;
+        } catch (Exception e) {
+            return new Source(null, false, Status.ERROR, e.getMessage() != null ? e.getMessage() : "renderer-config parse failed");
+        }
+    }
+
+    private static Source resolveFromAssetBase(String assetBasePath) {
+        if (assetBasePath == null || assetBasePath.isEmpty()) return null;
+
+        Path dir = Paths.get(assetBasePath);
+        Path split = dir.resolve("furnidata");
+        if (Files.isDirectory(split)) return new Source(split, true, Status.RESOLVED, "asset base split furnidata");
+
+        Path legacy = dir.resolve("FurnitureData.json");
+        if (Files.exists(legacy)) return new Source(legacy, false, Status.RESOLVED, "asset base FurnitureData.json");
+
+        return new Source(dir, true, Status.SOURCE_MISSING, "No furnidata or FurnitureData.json under asset base");
+    }
+
+    public static String expandRendererUrl(JsonObject rendererObj, String key) {
+        if (rendererObj == null || !rendererObj.has(key)) return "";
+
+        String value = rendererObj.get(key).getAsString();
+        for (int i = 0; i < 10; i++) {
+            int start = value.indexOf("${");
+            if (start < 0) break;
+
+            int end = value.indexOf('}', start + 2);
+            if (end < 0) break;
+
+            String placeholder = value.substring(start + 2, end);
+            if (!rendererObj.has(placeholder)) break;
+
+            value = value.substring(0, start) + rendererObj.get(placeholder).getAsString() + value.substring(end + 1);
+        }
+
+        return value;
+    }
+
+    public static Source toLocalSource(Path assetBase, String furniUrl) {
+        if (furniUrl == null || furniUrl.isBlank()) return null;
+
+        String cleanUrl = stripQueryAndFragment(furniUrl);
+        boolean splitMode = cleanUrl.endsWith("/");
+
+        if (!cleanUrl.startsWith("http")) {
+            Path local = Paths.get(cleanUrl);
+            return new Source(local, splitMode || Files.isDirectory(local), Status.RESOLVED, "local furnidata.url");
+        }
+
+        if (assetBase == null) return null;
+
+        String urlPath;
+        try {
+            urlPath = URI.create(cleanUrl).getPath();
+        } catch (Exception e) {
+            int scheme = cleanUrl.indexOf("://");
+            int pathStart = scheme >= 0 ? cleanUrl.indexOf('/', scheme + 3) : -1;
+            urlPath = pathStart >= 0 ? cleanUrl.substring(pathStart) : cleanUrl;
+        }
+
+        String normalized = urlPath.replace('\\', '/');
+        String baseName = assetBase.getFileName() != null ? assetBase.getFileName().toString() : "";
+        String marker = "/" + baseName + "/";
+        int markerIndex = baseName.isEmpty() ? -1 : normalized.indexOf(marker);
+
+        Path candidate;
+        if (markerIndex >= 0) {
+            candidate = assetBase.resolve(normalized.substring(markerIndex + marker.length()));
+        } else if (splitMode) {
+            String trimmed = normalized.endsWith("/") ? normalized.substring(0, normalized.length() - 1) : normalized;
+            candidate = assetBase.resolve(trimmed.substring(trimmed.lastIndexOf('/') + 1));
+        } else {
+            candidate = assetBase.resolve(normalized.substring(normalized.lastIndexOf('/') + 1));
+        }
+
+        return new Source(candidate, splitMode || Files.isDirectory(candidate), Status.RESOLVED, "renderer-config furnidata.url");
+    }
+
+    private static boolean hasUnresolvedPathPlaceholder(String value) {
+        if (value == null) return false;
+        return stripQueryAndFragment(value).contains("${");
+    }
+
+    private static String stripQueryAndFragment(String value) {
+        String out = value;
+        int q = out.indexOf('?');
+        if (q >= 0) out = out.substring(0, q);
+        int h = out.indexOf('#');
+        if (h >= 0) out = out.substring(0, h);
+        return out;
+    }
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnidataWatcher.java

@@ -0,0 +1,153 @@
+package com.eu.habbo.habbohotel.items;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.users.Habbo;
+import com.eu.habbo.messages.outgoing.furniture.FurnitureDataReloadComposer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.nio.file.ClosedWatchServiceException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardWatchEventKinds;
+import java.nio.file.WatchKey;
+import java.nio.file.WatchService;
+import java.util.List;
+
+/**
+ * Watches the furnidata source on a single daemon thread. On change (debounced),
+ * re-indexes via the provider and broadcasts only the delta — or a compact
+ * reload-hint when the delta exceeds the cap. A minimum interval throttles bursts.
+ * For the split-tier directory layout, the base dir AND its immediate
+ * subdirectories are registered. Never throws out of the loop.
+ */
+public class FurnidataWatcher {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurnidataWatcher.class);
+
+    private final FurnitureTextProvider provider;
+    private final Path watchDir;
+    private final boolean sourceIsDir;
+    private final long maxBytes;
+    private final long debounceMs;
+    private final long minIntervalMs;
+    private final int deltaCap;
+
+    private volatile boolean running = false;
+    private volatile WatchService ws;
+    private long lastBroadcast = 0L;
+
+    public FurnidataWatcher(FurnitureTextProvider provider, Path source, long maxBytes) {
+        this.provider = provider;
+        this.sourceIsDir = Files.isDirectory(source);
+        this.watchDir = this.sourceIsDir ? source : source.getParent();
+        this.maxBytes = maxBytes;
+        this.debounceMs = Long.parseLong(Emulator.getConfig().getValue("items.furnidata.watch.debounce.ms", "750"));
+        this.minIntervalMs = Long.parseLong(Emulator.getConfig().getValue("items.furnidata.watch.min.interval.ms", "5000"));
+        this.deltaCap = Integer.parseInt(Emulator.getConfig().getValue("items.furnidata.delta.cap", "500"));
+    }
+
+    public void start() {
+        if (this.running || this.watchDir == null) return;
+        this.running = true;
+        Thread t = new Thread(this::run, "FurnidataWatcher");
+        t.setDaemon(true);
+        t.start();
+    }
+
+    public void stop() {
+        this.running = false;
+        WatchService local = this.ws;
+        if (local != null) {
+            try { local.close(); } catch (IOException ignored) { }
+        }
+    }
+
+    private void run() {
+        try {
+            this.ws = FileSystems.getDefault().newWatchService();
+        } catch (IOException e) {
+            LOGGER.warn("FurnidataWatcher: could not create WatchService", e);
+            return;
+        }
+        try (WatchService service = this.ws) {
+            registerDirs(service);
+            while (this.running) {
+                WatchKey key = service.take();
+                key.pollEvents();
+                Thread.sleep(this.debounceMs);
+                key.pollEvents();
+                if (!key.reset()) {
+                    LOGGER.warn("FurnidataWatcher: watch key invalidated (directory removed?) — stopping");
+                    break;
+                }
+                try {
+                    onChange();
+                } catch (Exception e) {
+                    LOGGER.warn("FurnidataWatcher: onChange failed", e);
+                }
+            }
+        } catch (InterruptedException ignored) {
+            Thread.currentThread().interrupt();
+        } catch (ClosedWatchServiceException ignored) {
+            // stop() closed the service — normal shutdown
+        } catch (Exception e) {
+            LOGGER.warn("FurnidataWatcher stopped", e);
+        }
+    }
+
+    /** Register the base dir, plus one level of subdirectories for the split-tier layout. */
+    private void registerDirs(WatchService service) throws IOException {
+        this.watchDir.register(service, StandardWatchEventKinds.ENTRY_MODIFY,
+            StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE);
+        if (this.sourceIsDir) {
+            try (DirectoryStream<Path> ds = Files.newDirectoryStream(this.watchDir)) {
+                for (Path child : ds) {
+                    if (Files.isDirectory(child)) {
+                        child.register(service, StandardWatchEventKinds.ENTRY_MODIFY,
+                            StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE);
+                    }
+                }
+            }
+        }
+    }
+
+    private void onChange() {
+        FurnidataLock.LOCK.lock();
+        try {
+            Path source = this.provider.getSource();
+            if (source == null) return;
+
+            List<FurnidataEntry> delta = this.provider.reindex(new FurnidataReader(source, this.maxBytes).read());
+            if (delta.isEmpty()) return;
+
+            long now = System.currentTimeMillis();
+            if (now - this.lastBroadcast < this.minIntervalMs) {
+                LOGGER.info("FurnidataWatcher: {} changes indexed but broadcast skipped (min interval) — clients update on next change or reconnect", delta.size());
+                return;
+            }
+            this.lastBroadcast = now;
+
+            FurnitureDataReloadComposer composer = (delta.size() > this.deltaCap)
+                ? new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_RELOAD_HINT, List.of())
+                : new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_DELTA, delta);
+
+            broadcast(composer);
+            LOGGER.info("FurnidataWatcher: broadcast {} ({} entries)",
+                delta.size() > this.deltaCap ? "reload-hint" : "delta", delta.size());
+        } finally {
+            FurnidataLock.LOCK.unlock();
+        }
+    }
+
+    private void broadcast(FurnitureDataReloadComposer composer) {
+        for (Habbo habbo : Emulator.getGameEnvironment().getHabboManager().getOnlineHabbos().values()) {
+            if (habbo.getClient() != null) {
+                habbo.getClient().sendResponse(composer);
+            }
+        }
+    }
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnidataWriter.java

@@ -0,0 +1,272 @@
+package com.eu.habbo.habbohotel.items;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Comment-preserving, atomic, backed-up writer for furnidata name/description, keyed by
+ * classname. Supports single-file and split-tier (writes the tier that currently resolves
+ * the classname). Edit-only: refuses classnames absent from the furnidata.
+ */
+public class FurnidataWriter {
+
+    /** Default tier names in override order (later = higher priority, wins on conflict). */
+    private static final List<String> DEFAULT_TIERS = Arrays.asList("core", "custom", "seasonal");
+
+    /** Manifest filenames tried in order (json5 first, plain json second). */
+    private static final List<String> MANIFEST_NAMES = Arrays.asList("manifest.json5", "manifest.json");
+
+    private final Path source;        // file (single) or base dir (split-tier)
+    private final boolean directory;  // true => split-tier
+    private final long maxBytes;
+    private final int backupKeep;
+
+    public FurnidataWriter(Path source, boolean directory, long maxBytes, int backupKeep) {
+        this.source = source;
+        this.directory = directory;
+        this.maxBytes = maxBytes;
+        this.backupKeep = Math.max(1, backupKeep);
+    }
+
+    /** @return true if an entry for classname was found and written. */
+    public boolean write(String classname, String name, String description) throws IOException {
+        String cn = classname == null ? "" : classname.trim().toLowerCase(java.util.Locale.ROOT);
+        if (cn.isEmpty()) return false;
+        String safeName = FurnitureTextProvider.sanitize(name);
+        String safeDesc = FurnitureTextProvider.sanitize(description);
+
+        Path target = locateFile(cn);
+        if (target == null) return false;
+
+        String raw = Files.readString(target, StandardCharsets.UTF_8);
+        String edited = replaceEntryFields(raw, cn, safeName, safeDesc);
+        if (edited == null || edited.equals(raw)) {
+            // classname not present in this file, or no change
+            return edited != null && !edited.equals(raw);
+        }
+        backup(target);
+        atomicWrite(target, edited);
+        return true;
+    }
+
+    /** For single-file just returns the file; for split-tier, the tier file that contains cn. */
+    private Path locateFile(String cn) throws IOException {
+        if (!directory) {
+            // confirm existence via the reader (size-guarded, parses the same way)
+            return containsClassname(source, cn) ? source : null;
+        }
+        // split-tier: iterate tiers in OVERRIDE order (later tiers win); pick the last containing cn
+        Path winner = null;
+        for (Path tierFile : splitTierFilesInOrder()) {
+            if (containsClassname(tierFile, cn)) winner = tierFile;
+        }
+        return winner;
+    }
+
+    private boolean containsClassname(Path file, String cn) {
+        for (FurnidataEntry e : new FurnidataReader(file, maxBytes).read()) {
+            if (e.classname() != null && e.classname().trim().toLowerCase(java.util.Locale.ROOT).equals(cn)) return true;
+        }
+        return false;
+    }
+
+    /**
+     * Replace the "name" and "description" string values inside the JSON object that holds
+     * "classname": "<cn>". Preserves everything else (comments, ordering, formatting).
+     * Handles double- and single-quoted JSON5 keys/values. Returns null if cn not found.
+     */
+    static String replaceEntryFields(String raw, String cn, String name, String description) {
+        // find the classname value occurrence (case-insensitive on the value)
+        Pattern classProp = Pattern.compile(
+            "([\"'])classname\\1\\s*:\\s*([\"'])((?:\\\\.|(?!\\2).)*)\\2", Pattern.CASE_INSENSITIVE);
+        Matcher m = classProp.matcher(raw);
+        int objStart = -1, objEnd = -1;
+        while (m.find()) {
+            String val = m.group(3).trim().toLowerCase(java.util.Locale.ROOT);
+            if (!val.equals(cn)) continue;
+            // expand to the enclosing { ... }
+            objStart = lastUnbalancedBrace(raw, m.start());
+            objEnd = matchingClose(raw, objStart);
+            break;
+        }
+        if (objStart < 0 || objEnd < 0) return null;
+        String obj = raw.substring(objStart, objEnd + 1);
+        String newObj = replaceField(obj, "name", name);
+        newObj = replaceField(newObj, "description", description);
+        return raw.substring(0, objStart) + newObj + raw.substring(objEnd + 1);
+    }
+
+    private static String replaceField(String obj, String field, String value) {
+        Pattern p = Pattern.compile(
+            "(([\"'])" + Pattern.quote(field) + "\\2\\s*:\\s*)([\"'])((?:\\\\.|(?!\\3).)*)\\3");
+        Matcher m = p.matcher(obj);
+        if (!m.find()) return obj; // field absent → leave object as-is
+        String replacement = m.group(1) + '"' + jsonEscape(value) + '"';
+        return obj.substring(0, m.start()) + replacement + obj.substring(m.end());
+    }
+
+    private static int lastUnbalancedBrace(String s, int from) {
+        int depth = 0;
+        for (int i = from; i >= 0; i--) {
+            char c = s.charAt(i);
+            if (c == '}') depth++;
+            else if (c == '{') { if (depth == 0) return i; depth--; }
+        }
+        return -1;
+    }
+
+    private static int matchingClose(String s, int open) {
+        int depth = 0; boolean inStr = false; char q = 0;
+        for (int i = open; i < s.length(); i++) {
+            char c = s.charAt(i);
+            if (inStr) { if (c == '\\') { i++; } else if (c == q) inStr = false; continue; }
+            if (c == '"' || c == '\'') { inStr = true; q = c; }
+            else if (c == '{') depth++;
+            else if (c == '}') { depth--; if (depth == 0) return i; }
+        }
+        return -1;
+    }
+
+    private static String jsonEscape(String v) {
+        StringBuilder b = new StringBuilder(v.length() + 8);
+        for (int i = 0; i < v.length(); i++) {
+            char c = v.charAt(i);
+            if (c == '"' || c == '\\') b.append('\\').append(c);
+            else b.append(c);
+        }
+        return b.toString();
+    }
+
+    /**
+     * Enumerate every data file reachable from the split-tier base directory, in
+     * override order (core → custom → seasonal, or the order declared in the top-level
+     * {@code manifest.json(5)}).  Within each tier the per-tier manifest's {@code files}
+     * array determines the file order.
+     *
+     * <p>All resolved paths are checked against the normalised base directory via
+     * {@link #safeResolve}: any entry that would escape the base is silently skipped.
+     *
+     * @return ordered list of existing, in-bounds data files (earliest tier first).
+     */
+    private List<Path> splitTierFilesInOrder() throws IOException {
+        Path base = source.toAbsolutePath().normalize();
+        List<String> tiers = manifestList(base, "tiers", DEFAULT_TIERS);
+        List<Path> result = new ArrayList<>();
+
+        for (String tier : tiers) {
+            Path tierDir = safeResolve(base, tier);
+            if (tierDir == null || !Files.isDirectory(tierDir)) continue;
+
+            for (String fileName : manifestList(tierDir, "files", List.of())) {
+                Path file = safeResolve(base, tierDir.resolve(fileName).toString());
+                if (file == null || !Files.isRegularFile(file)) continue;
+                result.add(file);
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Resolve {@code entry} relative to {@code base} and verify the result stays
+     * inside {@code base} (path-traversal guard).
+     *
+     * @param base  the normalised absolute base directory.
+     * @param entry a path string (may be relative or absolute, may contain {@code ..}).
+     * @return the normalised absolute path if it is inside {@code base}; {@code null} otherwise.
+     */
+    private static Path safeResolve(Path base, String entry) {
+        try {
+            Path resolved = base.resolve(entry).toAbsolutePath().normalize();
+            return resolved.startsWith(base) ? resolved : null;
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
+    /**
+     * Read the {@code key} string-array from the first manifest file found in {@code dir}
+     * ({@code manifest.json5} then {@code manifest.json}).  Falls back to {@code fallback}
+     * if no manifest exists or the key is absent/empty.
+     */
+    private List<String> manifestList(Path dir, String key, List<String> fallback) {
+        for (String name : MANIFEST_NAMES) {
+            Path m = dir.resolve(name);
+            if (!Files.exists(m)) continue;
+            try {
+                String stripped = FurnidataReader.stripJson5(
+                    Files.readString(m, StandardCharsets.UTF_8));
+                com.google.gson.JsonObject obj =
+                    com.google.gson.JsonParser.parseString(stripped).getAsJsonObject();
+                if (obj.has(key) && obj.get(key).isJsonArray()) {
+                    List<String> list = new ArrayList<>();
+                    for (com.google.gson.JsonElement el : obj.getAsJsonArray(key))
+                        list.add(el.getAsString());
+                    if (!list.isEmpty()) return list;
+                }
+            } catch (Exception ignored) {
+                // bad manifest → fall through to next candidate / fallback
+            }
+        }
+        return fallback;
+    }
+
+    private void backup(Path target) throws IOException {
+        Path bak = target.resolveSibling(target.getFileName() + ".bak." + System.nanoTime());
+        Files.copy(target, bak, StandardCopyOption.COPY_ATTRIBUTES);
+        pruneBackups(target);
+    }
+
+    private void pruneBackups(Path target) throws IOException {
+        String prefix = target.getFileName() + ".bak.";
+        try (var stream = Files.list(target.getParent())) {
+            List<Path> baks = stream.filter(p -> p.getFileName().toString().startsWith(prefix))
+                .sorted(Comparator.comparingLong(p -> backupStamp(p))).toList();
+            for (int i = 0; i < baks.size() - backupKeep; i++) Files.deleteIfExists(baks.get(i));
+        }
+    }
+
+    private static long backupStamp(Path p) {
+        String s = p.getFileName().toString();
+        try { return Long.parseLong(s.substring(s.lastIndexOf('.') + 1)); } catch (Exception e) { return 0L; }
+    }
+
+    private void atomicWrite(Path target, String content) throws IOException {
+        Path tmp = target.resolveSibling(target.getFileName() + ".tmp." + System.nanoTime());
+        Files.writeString(tmp, content, StandardCharsets.UTF_8);
+        try {
+            Files.move(tmp, target, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
+        } catch (AtomicMoveNotSupportedException e) {
+            Files.move(tmp, target, StandardCopyOption.REPLACE_EXISTING);
+        }
+    }
+
+    /** Restore the most recent backup of the (single-file) target. @return true if restored. */
+    public boolean revertLastBackup() throws IOException {
+        if (directory) return revertSplitTier();
+        return revertFile(source);
+    }
+
+    private boolean revertFile(Path target) throws IOException {
+        String prefix = target.getFileName() + ".bak.";
+        try (var stream = Files.list(target.getParent())) {
+            Path latest = stream.filter(p -> p.getFileName().toString().startsWith(prefix))
+                .max(Comparator.comparingLong(FurnidataWriter::backupStamp)).orElse(null);
+            if (latest == null) return false;
+            atomicWrite(target, Files.readString(latest, StandardCharsets.UTF_8));
+            return true;
+        }
+    }
+
+    private boolean revertSplitTier() throws IOException {
+        boolean any = false;
+        for (Path f : splitTierFilesInOrder()) any |= revertFile(f);
+        return any;
+    }
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/FurnitureTextProvider.java

@@ -0,0 +1,181 @@
+package com.eu.habbo.habbohotel.items;
+
+import com.eu.habbo.Emulator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+/**
+ * In-memory index of furnidata display names, keyed by the lowercased base
+ * classname (the {@code *N} colour-variant suffix is stripped). Read lazily by
+ * {@link Item#getDisplayName()}. Names are sanitized at index time.
+ *
+ * Thread-safety: the index is held behind a {@code volatile} reference; readers
+ * never block; {@link #reindex(List)} builds a fresh map and swaps it atomically.
+ */
+public class FurnitureTextProvider {
+
+    private static final int MAX_LEN = 256;
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurnitureTextProvider.class);
+    private static final long DEFAULT_MAX_BYTES = 64L * 1024 * 1024;
+
+    private final boolean enabled;
+    private volatile Map<String, FurniText> index = Map.of();
+    private volatile Path source;
+    private FurnidataWatcher watcher;
+
+    public FurnitureTextProvider(boolean enabled) {
+        this.enabled = enabled;
+    }
+
+    /** Production constructor: reads the enable toggle from config. */
+    public FurnitureTextProvider() {
+        this(Boolean.parseBoolean(Emulator.getConfig().getValue("items.furnidata.names.enabled", "true")));
+    }
+
+    /** Resolve the furnidata source from config and build the initial index. Never throws. */
+    public void init() {
+        try {
+            this.source = resolveSource();
+            if (this.source == null) {
+                LOGGER.warn("FurnitureTextProvider: no furnidata source resolved - names fall back to public_name");
+                return;
+            }
+            reindex(new FurnidataReader(this.source, DEFAULT_MAX_BYTES).read());
+            LOGGER.info("FurnitureTextProvider: indexed {} furnidata names from {}", this.index.size(), this.source);
+
+            if (Boolean.parseBoolean(Emulator.getConfig().getValue("items.furnidata.watch.enabled", "true"))) {
+                if (this.watcher != null) this.watcher.stop();
+                this.watcher = new FurnidataWatcher(this, this.source, DEFAULT_MAX_BYTES);
+                this.watcher.start();
+            }
+        } catch (Exception e) {
+            LOGGER.warn("FurnitureTextProvider.init failed — names fall back to public_name", e);
+        }
+    }
+
+    public Path getSource() {
+        return this.source;
+    }
+
+    /** Returns {@code true} when the resolved source is a directory (split-tier layout). */
+    public boolean isSourceDirectory() {
+        return this.source != null && Files.isDirectory(this.source);
+    }
+
+    /** Returns the byte cap used when reading furnidata files. */
+    public long getMaxBytes() {
+        return Long.parseLong(com.eu.habbo.Emulator.getConfig().getValue("items.furnidata.max.bytes", String.valueOf(DEFAULT_MAX_BYTES)));
+    }
+
+    /**
+     * Re-reads the furnidata from the current source and reindexes atomically.
+     * Returns the delta list (new/changed entries) from {@link #reindex(List)}.
+     * Never throws — returns an empty list when the source is unavailable.
+     */
+    public java.util.List<FurnidataEntry> reindexFromSource() {
+        try {
+            if (this.source == null) return java.util.List.of();
+            return reindex(new FurnidataReader(this.source, DEFAULT_MAX_BYTES).read());
+        } catch (Exception e) {
+            LOGGER.warn("FurnitureTextProvider.reindexFromSource failed", e);
+            return java.util.List.of();
+        }
+    }
+
+    private static Path resolveSource() {
+        FurnidataSourceResolver.Source source = FurnidataSourceResolver.resolve();
+        if (source.ok()) return source.path();
+        LOGGER.warn("FurnitureTextProvider: no furnidata source resolved ({}) - {}", source.status(), source.message());
+        return null;
+    }
+
+    /**
+     * Build a fresh sanitized index, swap it in atomically, and return the
+     * changed/added entries (sanitized) as the delta versus the previous index.
+     */
+    public java.util.List<FurnidataEntry> reindex(java.util.List<FurnidataEntry> entries) {
+        Map<String, FurniText> next = new HashMap<>(Math.max(16, entries.size() * 2));
+        for (FurnidataEntry e : entries) {
+            String key = baseKey(e.classname());
+            if (key == null) continue;
+            next.put(key, new FurniText(e.id(), e.type(), sanitize(e.name()), sanitize(e.description())));
+        }
+
+        Map<String, FurniText> prev = this.index;
+        java.util.List<FurnidataEntry> delta = new java.util.ArrayList<>();
+        for (Map.Entry<String, FurniText> en : next.entrySet()) {
+            FurniText cur = en.getValue();
+            FurniText old = prev.get(en.getKey());
+            if (old == null || !old.name().equals(cur.name()) || !old.description().equals(cur.description())) {
+                delta.add(new FurnidataEntry(cur.id(), en.getKey(), cur.type(), cur.name(), cur.description()));
+            }
+        }
+
+        this.index = next; // atomic reference swap
+        return delta;
+    }
+
+    /** Returns the sanitized display name for a DB classname, or null if absent/disabled. */
+    public String getName(String classname) {
+        if (!this.enabled) return null;
+        String key = baseKey(classname);
+        if (key == null) return null;
+        FurniText t = this.index.get(key);
+        return (t != null) ? t.name() : null;
+    }
+
+    private static String baseKey(String classname) {
+        if (classname == null) return null;
+        int star = classname.indexOf('*');
+        String base = (star >= 0) ? classname.substring(0, star) : classname;
+        base = base.trim().toLowerCase(Locale.ROOT);
+        return base.isEmpty() ? null : base;
+    }
+
+    /**
+     * Cap length, strip control chars/newlines, neutralize % (placeholder-injection safe).
+     * The 256 cap is in Java {@code char} units (UTF-16 code units), which is acceptable for
+     * furni names (controlled, predominantly ASCII source). Lone/astral surrogates are not
+     * specially handled.
+     */
+    public static String sanitize(String value) {
+        if (value == null) return "";
+        StringBuilder sb = new StringBuilder(Math.min(value.length(), MAX_LEN));
+        for (int i = 0; i < value.length() && sb.length() < MAX_LEN; i++) {
+            char c = value.charAt(i);
+            if (c == '%') { sb.append('％'); continue; } // fullwidth percent — not a placeholder token
+            if (c == '\n' || c == '\r' || Character.isISOControl(c)) continue;
+            sb.append(c);
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Returns all lowercased base classnames whose furnidata display name contains
+     * {@code query} (case-insensitive, substring). Results are capped at 200 to
+     * bound SQL IN-clause size. Returns an empty list when query is null/blank.
+     */
+    public java.util.List<String> findClassnamesByName(String query) {
+        java.util.List<String> out = new java.util.ArrayList<>();
+        if (query == null) return out;
+        String q = query.trim().toLowerCase(Locale.ROOT);
+        if (q.isEmpty()) return out;
+        Map<String, FurniText> idx = this.index; // local ref (volatile)
+        for (Map.Entry<String, FurniText> e : idx.entrySet()) {
+            FurniText t = e.getValue();
+            if (t != null && t.name() != null && t.name().toLowerCase(Locale.ROOT).contains(q)) {
+                out.add(e.getKey()); // key is the lowercased base classname
+                if (out.size() >= 200) break; // bound IN-clause size
+            }
+        }
+        return out;
+    }
+
+    private record FurniText(int id, FurnitureType type, String name, String description) {}
+}

Emulator/src/main/java/com/eu/habbo/habbohotel/items/Item.java

@@ -167,6 +167,20 @@ public class Item implements ISerialize {
         return this.fullName;
     }
 
+    /**
+     * Display name for user-facing/log output, sourced from furnidata (by classname).
+     * Falls back to the DB public_name when furnidata has no entry or names are disabled.
+     * Never returns null.
+     */
+    public String getDisplayName() {
+        FurnitureTextProvider provider = (Emulator.getGameEnvironment() != null)
+                ? Emulator.getGameEnvironment().getFurnitureTextProvider()
+                : null;
+        String name = (provider != null) ? provider.getName(this.name) : null;
+        if (name != null && !name.isBlank()) return name;
+        return (this.fullName != null) ? this.fullName : "";
+    }
+
     public FurnitureType getType() {
         return this.type;
     }

Emulator/src/main/java/com/eu/habbo/habbohotel/wired/core/WiredTextPlaceholderUtil.java

@@ -279,7 +279,7 @@ public final class WiredTextPlaceholderUtil {
                 continue;
             }
 
-            String furniName = item.getBaseItem().getFullName();
+            String furniName = item.getBaseItem().getDisplayName();
             if (furniName == null || furniName.trim().isEmpty()) {
                 furniName = item.getBaseItem().getName();
             }

Emulator/src/main/java/com/eu/habbo/messages/PacketManager.java

@@ -285,6 +285,9 @@ public class PacketManager {
         this.registerHandler(Incoming.FurniEditorInteractionsEvent, FurniEditorInteractionsEvent.class);
         this.registerHandler(Incoming.FurniEditorUpdateEvent, FurniEditorUpdateEvent.class);
         this.registerHandler(Incoming.FurniEditorDeleteEvent, FurniEditorDeleteEvent.class);
+        this.registerHandler(Incoming.FurniEditorUpdateFurnidataEvent, FurniEditorUpdateFurnidataEvent.class);
+        this.registerHandler(Incoming.FurniEditorRevertFurnidataEvent, FurniEditorRevertFurnidataEvent.class);
+        this.registerHandler(Incoming.FurniEditorImportTextEvent, FurniEditorImportTextEvent.class);
 
         // Catalog Admin
         this.registerHandler(Incoming.CatalogAdminSavePageEvent, CatalogAdminSavePageEvent.class);
@@ -298,6 +301,8 @@ public class PacketManager {
         this.registerHandler(Incoming.CatalogAdminPublishEvent, CatalogAdminPublishEvent.class);
         this.registerHandler(Incoming.CatalogAdminSavePageImagesEvent, CatalogAdminSavePageImagesEvent.class);
         this.registerHandler(Incoming.CatalogAdminSavePageIconEvent, CatalogAdminSavePageIconEvent.class);
+        this.registerHandler(Incoming.CatalogAdminLoadOfferEvent, CatalogAdminLoadOfferEvent.class);
+        this.registerHandler(Incoming.CatalogAdminLoadPageEvent, CatalogAdminLoadPageEvent.class);
     }
 
     private void registerEvent() throws Exception {

Emulator/src/main/java/com/eu/habbo/messages/incoming/Incoming.java

@@ -431,6 +431,9 @@ public class Incoming {
     public static final int FurniEditorInteractionsEvent = 10043;
     public static final int FurniEditorUpdateEvent = 10044;
     public static final int FurniEditorDeleteEvent = 10045;
+    public static final int FurniEditorUpdateFurnidataEvent = 10046;
+    public static final int FurniEditorRevertFurnidataEvent = 10048;
+    public static final int FurniEditorImportTextEvent = 10049;
 
     // Catalog Admin
     public static final int CatalogAdminSavePageEvent = 10050;
@@ -444,6 +447,8 @@ public class Incoming {
     public static final int CatalogAdminPublishEvent = 10058;
     public static final int CatalogAdminSavePageImagesEvent = 10060;
     public static final int CatalogAdminSavePageIconEvent = 10061;
+    public static final int CatalogAdminLoadOfferEvent = 10062;
+    public static final int CatalogAdminLoadPageEvent = 10063;
 
     // Custom Prefixes
     public static final int RequestUserPrefixesEvent = 7011;

Emulator/src/main/java/com/eu/habbo/messages/incoming/catalog/CatalogBuyItemAsGiftEvent.java

@@ -248,7 +248,7 @@ public class CatalogBuyItemAsGiftEvent extends MessageHandler {
                                 LOGGER.debug("sender reached daily total LTD limit");
                                 this.client.getHabbo().alert(
                                         Emulator.getTexts().getValue("error.catalog.buy.limited.daily.total")
-                                                .replace("%itemname%", item.getBaseItems().iterator().next().getFullName())
+                                                .replace("%itemname%", item.getBaseItems().iterator().next().getDisplayName())
                                                 .replace("%limit%", ltdLimit + "")
                                 );
                                 return;
@@ -259,7 +259,7 @@ public class CatalogBuyItemAsGiftEvent extends MessageHandler {
                                 LOGGER.debug("sender reached daily LTD item limit");
                                 this.client.getHabbo().alert(
                                         Emulator.getTexts().getValue("error.catalog.buy.limited.daily.item")
-                                                .replace("%itemname%", item.getBaseItems().iterator().next().getFullName())
+                                                .replace("%itemname%", item.getBaseItems().iterator().next().getDisplayName())
                                                 .replace("%limit%", ltdLimit + "")
                                 );
                                 return;

Emulator/src/main/java/com/eu/habbo/messages/incoming/catalog/catalogadmin/CatalogAdminLoadOfferEvent.java

@@ -0,0 +1,55 @@
+package com.eu.habbo.messages.incoming.catalog.catalogadmin;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.catalog.CatalogPageType;
+import com.eu.habbo.habbohotel.permissions.Permission;
+import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.catalog.catalogadmin.CatalogAdminOfferDetailsComposer;
+import com.eu.habbo.messages.outgoing.catalog.catalogadmin.CatalogAdminResultComposer;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+
+public class CatalogAdminLoadOfferEvent extends MessageHandler {
+
+    @Override
+    public void handle() throws Exception {
+        if (!this.client.getHabbo().hasPermission(Permission.ACC_CATALOGFURNI)) {
+            this.client.sendResponse(new CatalogAdminResultComposer(false, "No permission"));
+            return;
+        }
+
+        int offerId = this.packet.readInt();
+        CatalogPageType pageType = CatalogPageType.fromString(this.packet.readString());
+
+        String sql = (pageType == CatalogPageType.BUILDER)
+                ? "SELECT id, order_number FROM catalog_items_bc WHERE id = ? LIMIT 1"
+                : "SELECT id, offer_id, limited_stack, order_number FROM catalog_items WHERE id = ? LIMIT 1";
+
+        try (Connection connection = Emulator.getDatabase().getDataSource().getConnection();
+             PreparedStatement statement = connection.prepareStatement(sql)) {
+            statement.setInt(1, offerId);
+
+            try (ResultSet set = statement.executeQuery()) {
+                if (!set.next()) return;
+
+                if (pageType == CatalogPageType.BUILDER) {
+                    this.client.sendResponse(new CatalogAdminOfferDetailsComposer(
+                            set.getInt("id"),
+                            0,
+                            0,
+                            set.getInt("order_number")
+                    ));
+                } else {
+                    this.client.sendResponse(new CatalogAdminOfferDetailsComposer(
+                            set.getInt("id"),
+                            set.getInt("offer_id"),
+                            set.getInt("limited_stack"),
+                            set.getInt("order_number")
+                    ));
+                }
+            }
+        }
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/incoming/catalog/catalogadmin/CatalogAdminLoadPageEvent.java

@@ -0,0 +1,28 @@
+package com.eu.habbo.messages.incoming.catalog.catalogadmin;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.catalog.CatalogPage;
+import com.eu.habbo.habbohotel.catalog.CatalogPageType;
+import com.eu.habbo.habbohotel.permissions.Permission;
+import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.catalog.catalogadmin.CatalogAdminPageDetailsComposer;
+import com.eu.habbo.messages.outgoing.catalog.catalogadmin.CatalogAdminResultComposer;
+
+public class CatalogAdminLoadPageEvent extends MessageHandler {
+
+    @Override
+    public void handle() throws Exception {
+        if (!this.client.getHabbo().hasPermission(Permission.ACC_CATALOGFURNI)) {
+            this.client.sendResponse(new CatalogAdminResultComposer(false, "No permission"));
+            return;
+        }
+
+        int pageId = this.packet.readInt();
+        CatalogPageType pageType = CatalogPageType.fromString(this.packet.readString());
+
+        CatalogPage page = Emulator.getGameEnvironment().getCatalogManager().getCatalogPage(pageId, pageType);
+        if (page == null) return;
+
+        this.client.sendResponse(new CatalogAdminPageDetailsComposer(page));
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniDataManager.java

@@ -1,6 +1,7 @@
 package com.eu.habbo.messages.incoming.furnieditor;
 
 import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.items.FurnidataSourceResolver;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
@@ -9,12 +10,15 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Manages reading and writing of FurnitureData entries.
@@ -43,24 +47,172 @@ public class FurniDataManager {
     private static final List<String> DEFAULT_TIERS = Arrays.asList("core", "custom", "seasonal");
     private static final List<String> MANIFEST_NAMES = Arrays.asList("manifest.json5", "manifest.json");
     private static final List<String> SECTIONS = Arrays.asList("roomitemtypes", "wallitemtypes");
+    private static volatile CachedIndex cachedIndex = null;
+
+    public record LookupResult(String itemJson, String diagnosticJson) {
+    }
 
     /**
      * Get the JSON string for a specific item.
      * Returns "{}" if not found or on error.
      */
     public static String getItemJson(int itemId) {
-        try {
-            ResolvedSource source = resolveSource();
-            if (source == null) return "{}";
+        return getItemJson(itemId, null);
+    }
 
-            if (source.directory) {
-                return findItemInSplitDir(source.path, itemId);
+    /**
+     * Get the JSON string for a specific item.
+     * Prefer the DB classname because items_base.id can diverge from the
+     * furnidata id after imports/reconciliations. Falls back to id lookup.
+     * Returns "{}" if not found or on error.
+     */
+    public static String getItemJson(int itemId, String classname) {
+        return getItemLookup(itemId, classname).itemJson();
+    }
+
+    public static LookupResult getItemLookup(int itemId, String classname) {
+        FurnidataSourceResolver.Source source = FurnidataSourceResolver.resolve();
+        if (source == null || !source.ok()) {
+            return new LookupResult("{}", diagnostic(source, itemId, classname, "source_missing"));
+        }
+
+        try {
+            CachedIndex index = indexFor(source);
+            String key = baseClassname(classname);
+            String byClassname = key != null ? index.byClassname.get(key) : null;
+            if (byClassname != null) {
+                return new LookupResult(byClassname, diagnostic(source, itemId, classname, "matched_classname"));
             }
 
-            if (!Files.exists(source.path)) return "{}";
+            String byId = index.byId.get(itemId);
+            if (byId != null) {
+                return new LookupResult(byId, diagnostic(source, itemId, classname, "matched_id"));
+            }
 
-            String content = readJson5(source.path);
-            return findItemInRoot(JsonParser.parseString(content).getAsJsonObject(), itemId);
+            String reason = index.empty ? "manifest_empty" : "not_found";
+            return new LookupResult("{}", diagnostic(source, itemId, classname, reason));
+        } catch (Exception e) {
+            LOGGER.warn("Failed to read FurnitureData for item " + itemId, e);
+            FurnidataSourceResolver.Source errorSource = new FurnidataSourceResolver.Source(source.path(), source.directory(), FurnidataSourceResolver.Status.ERROR, e.getMessage());
+            return new LookupResult("{}", diagnostic(errorSource, itemId, classname, "error"));
+        }
+    }
+
+    private static CachedIndex indexFor(FurnidataSourceResolver.Source source) {
+        long signature = sourceSignature(source.path());
+        String sourceKey = source.path().toAbsolutePath().normalize().toString();
+        CachedIndex current = cachedIndex;
+        if (current != null && current.sourceKey.equals(sourceKey) && current.signature == signature) return current;
+
+        CachedIndex next = buildIndex(source, sourceKey, signature);
+        cachedIndex = next;
+        return next;
+    }
+
+    private static CachedIndex buildIndex(FurnidataSourceResolver.Source source, String sourceKey, long signature) {
+        Map<Integer, String> byId = new HashMap<>();
+        Map<String, String> byClassname = new HashMap<>();
+
+        if (source.directory()) {
+            indexSplitDir(source.path(), byId, byClassname);
+        } else {
+            try {
+                String content = readJson5(source.path());
+                indexRoot(JsonParser.parseString(content).getAsJsonObject(), byId, byClassname);
+            } catch (Exception e) {
+                LOGGER.warn("Failed to parse furnidata source {}", source.path(), e);
+            }
+        }
+
+        return new CachedIndex(sourceKey, signature, Map.copyOf(byId), Map.copyOf(byClassname), byId.isEmpty() && byClassname.isEmpty());
+    }
+
+    private static void indexSplitDir(Path baseDir, Map<Integer, String> byId, Map<String, String> byClassname) {
+        if (!Files.isDirectory(baseDir)) return;
+
+        for (String tier : readTiersManifest(baseDir)) {
+            Path tierDir = baseDir.resolve(tier);
+            if (!Files.isDirectory(tierDir)) continue;
+
+            for (String fileName : readFilesManifest(tierDir)) {
+                Path file = tierDir.resolve(fileName);
+                if (!Files.exists(file)) continue;
+
+                try {
+                    String content = readJson5(file);
+                    indexRoot(JsonParser.parseString(content).getAsJsonObject(), byId, byClassname);
+                } catch (Exception e) {
+                    LOGGER.warn("Failed to parse split gamedata file " + file, e);
+                }
+            }
+        }
+    }
+
+    private static void indexRoot(JsonObject root, Map<Integer, String> byId, Map<String, String> byClassname) {
+        for (String section : SECTIONS) {
+            if (!root.has(section)) continue;
+            JsonObject sectionObj = root.getAsJsonObject(section);
+            if (!sectionObj.has("furnitype")) continue;
+
+            for (JsonElement el : sectionObj.getAsJsonArray("furnitype")) {
+                JsonObject obj = el.getAsJsonObject();
+                String json = obj.toString();
+
+                if (obj.has("id")) byId.put(obj.get("id").getAsInt(), json);
+                if (obj.has("classname")) {
+                    String key = baseClassname(obj.get("classname").getAsString());
+                    if (key != null) byClassname.put(key, json);
+                }
+            }
+        }
+    }
+
+    private static long sourceSignature(Path source) {
+        try {
+            if (source == null || !Files.exists(source)) return -1L;
+            if (!Files.isDirectory(source)) return Files.getLastModifiedTime(source).toMillis() ^ Files.size(source);
+
+            final long[] signature = { 17L };
+            try (var stream = Files.walk(source)) {
+                stream.filter(Files::isRegularFile).forEach(path -> {
+                    try {
+                        signature[0] = (signature[0] * 31L) ^ Files.getLastModifiedTime(path).toMillis() ^ Files.size(path);
+                    } catch (Exception ignored) {
+                    }
+                });
+            }
+            return signature[0];
+        } catch (Exception e) {
+            return System.nanoTime();
+        }
+    }
+
+    private static String diagnostic(FurnidataSourceResolver.Source source, int itemId, String classname, String reason) {
+        JsonObject obj = new JsonObject();
+        obj.addProperty("reason", reason);
+        obj.addProperty("itemId", itemId);
+        obj.addProperty("classname", classname != null ? classname : "");
+        obj.addProperty("sourcePath", source != null && source.path() != null ? source.path().toString() : "");
+        obj.addProperty("sourceDirectory", source != null && source.directory());
+        obj.addProperty("sourceStatus", source != null ? source.status().name() : "CONFIG_MISSING");
+        obj.addProperty("message", source != null && source.message() != null ? source.message() : "");
+        return obj.toString();
+    }
+
+    private record CachedIndex(String sourceKey, long signature, Map<Integer, String> byId, Map<String, String> byClassname, boolean empty) {
+    }
+
+    static String findItemJson(Path source, boolean directory, int itemId, String classname) {
+        try {
+            if (directory) {
+                return findItemInSplitDir(source, itemId, classname);
+            }
+
+            if (!Files.exists(source)) return "{}";
+
+            String content = readJson5(source);
+            String found = findItemInRoot(JsonParser.parseString(content).getAsJsonObject(), itemId, classname);
+            return found != null ? found : "{}";
         } catch (Exception e) {
             LOGGER.warn("Failed to read FurnitureData for item " + itemId, e);
         }
@@ -69,6 +221,13 @@ public class FurniDataManager {
     }
 
     private static String findItemInRoot(JsonObject root, int itemId) {
+        return findItemInRoot(root, itemId, null);
+    }
+
+    private static String findItemInRoot(JsonObject root, int itemId, String classname) {
+        String byClassname = findItemInRootByClassname(root, classname);
+        if (byClassname != null) return byClassname;
+
         for (String section : SECTIONS) {
             if (!root.has(section)) continue;
             JsonObject sectionObj = root.getAsJsonObject(section);
@@ -85,11 +244,43 @@ public class FurniDataManager {
         return null;
     }
 
+    private static String findItemInRootByClassname(JsonObject root, String classname) {
+        String wanted = baseClassname(classname);
+        if (wanted == null) return null;
+
+        for (String section : SECTIONS) {
+            if (!root.has(section)) continue;
+            JsonObject sectionObj = root.getAsJsonObject(section);
+            if (!sectionObj.has("furnitype")) continue;
+            JsonArray types = sectionObj.getAsJsonArray("furnitype");
+
+            for (JsonElement el : types) {
+                JsonObject obj = el.getAsJsonObject();
+                if (!obj.has("classname")) continue;
+
+                String actual = baseClassname(obj.get("classname").getAsString());
+                if (wanted.equals(actual)) return obj.toString();
+            }
+        }
+
+        return null;
+    }
+
+    private static String baseClassname(String classname) {
+        if (classname == null) return null;
+
+        int star = classname.indexOf('*');
+        String base = star >= 0 ? classname.substring(0, star) : classname;
+        base = base.trim().toLowerCase(java.util.Locale.ROOT);
+
+        return base.isEmpty() ? null : base;
+    }
+
     /**
      * Walk the split directory layout looking for an item by id.
      * Later tiers (custom, then seasonal) override earlier ones.
      */
-    private static String findItemInSplitDir(Path baseDir, int itemId) {
+    private static String findItemInSplitDir(Path baseDir, int itemId, String classname) {
         if (!Files.isDirectory(baseDir)) return "{}";
 
         List<String> tiers = readTiersManifest(baseDir);
@@ -107,7 +298,7 @@ public class FurniDataManager {
                 try {
                     String content = readJson5(file);
                     JsonObject obj = JsonParser.parseString(content).getAsJsonObject();
-                    String match = findItemInRoot(obj, itemId);
+                    String match = findItemInRoot(obj, itemId, classname);
                     if (match != null) found = match;
                 } catch (Exception e) {
                     LOGGER.warn("Failed to parse split gamedata file " + file, e);
@@ -239,7 +430,7 @@ public class FurniDataManager {
      * Represents the resolved location of the furnidata source: either a single
      * file or a directory in split-layout mode.
      */
-    private static class ResolvedSource {
+    static class ResolvedSource {
         final Path path;
         final boolean directory;
 
@@ -270,9 +461,9 @@ public class FurniDataManager {
 
             if (!rendererObj.has("furnidata.url")) return null;
 
-            String furniUrl = rendererObj.get("furnidata.url").getAsString();
+            String furniUrl = expandRendererUrl(rendererObj, "furnidata.url");
 
-            if (furniUrl.contains("${")) {
+            if (hasUnresolvedPathPlaceholder(furniUrl)) {
                 Path fallback = fallbackToBasePath();
                 return fallback != null ? new ResolvedSource(fallback, Files.isDirectory(fallback)) : null;
             }
@@ -296,6 +487,9 @@ public class FurniDataManager {
             String basePath = Emulator.getConfig().getValue("furni.editor.asset.base.path", "");
             if (basePath.isEmpty()) return null;
 
+            ResolvedSource mapped = toLocalSource(Paths.get(basePath), furniUrl);
+            if (mapped != null) return mapped;
+
             if (splitMode) {
                 // Derive the directory name from the URL: take the last non-empty
                 // segment before the trailing slash. e.g. https://x/y/furnidata/ -> "furnidata"
@@ -326,4 +520,86 @@ public class FurniDataManager {
         if (Files.exists(legacy)) return legacy;
         return null;
     }
+
+    static String expandRendererUrl(JsonObject rendererObj, String key) {
+        if (rendererObj == null || !rendererObj.has(key)) return "";
+
+        String value = rendererObj.get(key).getAsString();
+        for (int i = 0; i < 10; i++) {
+            int start = value.indexOf("${");
+            if (start < 0) break;
+
+            int end = value.indexOf('}', start + 2);
+            if (end < 0) break;
+
+            String placeholder = value.substring(start + 2, end);
+            if (!rendererObj.has(placeholder)) break;
+
+            String replacement = rendererObj.get(placeholder).getAsString();
+            value = value.substring(0, start) + replacement + value.substring(end + 1);
+        }
+
+        return value;
+    }
+
+    private static boolean hasUnresolvedPathPlaceholder(String value) {
+        if (value == null) return false;
+
+        String pathOnly = stripQueryAndFragment(value);
+        return pathOnly.contains("${");
+    }
+
+    static ResolvedSource toLocalSource(Path assetBase, String furniUrl) {
+        if (furniUrl == null || furniUrl.isBlank()) return null;
+
+        String cleanUrl = stripQueryAndFragment(furniUrl);
+        boolean splitMode = cleanUrl.endsWith("/");
+
+        if (!cleanUrl.startsWith("http")) {
+            Path local = Paths.get(cleanUrl);
+            return new ResolvedSource(local, splitMode || Files.isDirectory(local));
+        }
+
+        if (assetBase == null) return null;
+
+        String urlPath;
+        try {
+            urlPath = URI.create(cleanUrl).getPath();
+        } catch (Exception e) {
+            int scheme = cleanUrl.indexOf("://");
+            int pathStart = scheme >= 0 ? cleanUrl.indexOf('/', scheme + 3) : -1;
+            urlPath = pathStart >= 0 ? cleanUrl.substring(pathStart) : cleanUrl;
+        }
+
+        String normalizedUrlPath = urlPath.replace('\\', '/');
+        String baseName = assetBase.getFileName() != null ? assetBase.getFileName().toString() : "";
+        String marker = "/" + baseName + "/";
+
+        Path candidate;
+        int markerIndex = baseName.isEmpty() ? -1 : normalizedUrlPath.indexOf(marker);
+        if (markerIndex >= 0) {
+            String relative = normalizedUrlPath.substring(markerIndex + marker.length());
+            candidate = assetBase.resolve(relative);
+        } else if (splitMode) {
+            String trimmed = normalizedUrlPath.endsWith("/")
+                ? normalizedUrlPath.substring(0, normalizedUrlPath.length() - 1)
+                : normalizedUrlPath;
+            String dirName = trimmed.substring(trimmed.lastIndexOf('/') + 1);
+            candidate = assetBase.resolve(dirName);
+        } else {
+            String filename = normalizedUrlPath.substring(normalizedUrlPath.lastIndexOf('/') + 1);
+            candidate = assetBase.resolve(filename);
+        }
+
+        return new ResolvedSource(candidate, splitMode || Files.isDirectory(candidate));
+    }
+
+    private static String stripQueryAndFragment(String value) {
+        String out = value;
+        int q = out.indexOf('?');
+        if (q >= 0) out = out.substring(0, q);
+        int h = out.indexOf('#');
+        if (h >= 0) out = out.substring(0, h);
+        return out;
+    }
 }

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorDetailEvent.java

@@ -41,6 +41,7 @@ public class FurniEditorDetailEvent extends MessageHandler {
         int usageCount = 0;
         List<Map<String, Object>> catalogItems = new ArrayList<>();
         String furniDataJson = "{}";
+        String furniDataDiagnosticJson = "{}";
 
         try (Connection connection = Emulator.getDatabase().getDataSource().getConnection()) {
             // Load full item data
@@ -86,11 +87,15 @@ public class FurniEditorDetailEvent extends MessageHandler {
 
         // Try to read furnidata.json entry
         try {
-            furniDataJson = FurniDataManager.getItemJson(itemId);
+            Object classname = item.get("item_name");
+            FurniDataManager.LookupResult lookup = FurniDataManager.getItemLookup(itemId, classname != null ? classname.toString() : null);
+            furniDataJson = lookup.itemJson();
+            furniDataDiagnosticJson = lookup.diagnosticJson();
         } catch (Exception e) {
             furniDataJson = "{}";
+            furniDataDiagnosticJson = "{}";
         }
 
-        client.sendResponse(new FurniEditorDetailComposer(item, usageCount, catalogItems, furniDataJson));
+        client.sendResponse(new FurniEditorDetailComposer(item, usageCount, catalogItems, furniDataJson, furniDataDiagnosticJson));
     }
 }

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorHelper.java

@@ -82,7 +82,7 @@ public class FurniEditorHelper {
      * Prevents SQL injection via arbitrary column names.
      */
     public static final java.util.Set<String> ALLOWED_UPDATE_FIELDS = java.util.Set.of(
-        "item_name", "public_name", "sprite_id", "type", "width", "length",
+        "public_name", "sprite_id", "type", "width", "length",
         "stack_height", "allow_stack", "allow_walk", "allow_sit", "allow_lay",
         "allow_gift", "allow_trade", "allow_recycle", "allow_marketplace_sell",
         "allow_inventory_stack", "interaction_type", "interaction_modes_count",

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorImportTextEvent.java

@@ -0,0 +1,139 @@
+package com.eu.habbo.messages.incoming.furnieditor;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.permissions.Permission;
+import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.furnieditor.FurniEditorImportTextResultComposer;
+import com.eu.habbo.messages.outgoing.furnieditor.FurniEditorResultComposer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.time.Duration;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * Incoming 10049 — admin imports the official Habbo display name/description for a
+ * furni's classname from a configured furnidata URL (e.g.
+ * https://www.habbo.it/gamedata/furnidata_json/1). The fetched text only POPULATES
+ * the editor fields client-side; the admin reviews and Saves via the normal flow.
+ *
+ * Source URL is admin-configured in emulator_settings ({@code furni.editor.import.url}),
+ * never supplied by the client (no SSRF). The remote furnidata is cached with a TTL.
+ */
+public class FurniEditorImportTextEvent extends MessageHandler {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurniEditorImportTextEvent.class);
+    private static final List<String> SECTIONS = Arrays.asList("roomitemtypes", "wallitemtypes");
+
+    // Shared TTL cache (the remote furnidata is multi-MB — do not refetch per click).
+    private static volatile JsonObject CACHE;
+    private static volatile String CACHE_URL;
+    private static volatile long CACHE_TIME;
+
+    @Override
+    public void handle() throws Exception {
+        if (!this.client.getHabbo().hasPermission(Permission.ACC_CATALOGFURNI)) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "No permission"));
+            return;
+        }
+
+        int itemId = this.packet.readInt();
+        if (itemId <= 0) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Invalid item ID"));
+            return;
+        }
+
+        String classname = FurniEditorUpdateFurnidataEvent.classnameForItem(itemId);
+        if (classname == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Item not found"));
+            return;
+        }
+        String cn = classname.trim().toLowerCase(Locale.ROOT);
+
+        String url = Emulator.getConfig().getValue(
+                "furni.editor.import.url", "https://www.habbo.it/gamedata/furnidata_json/1");
+        if (url == null || !(url.startsWith("http://") || url.startsWith("https://"))) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Import source not configured"));
+            return;
+        }
+
+        JsonObject root = fetchCached(url);
+        if (root == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Could not fetch Habbo furnidata"));
+            return;
+        }
+
+        String foundName = null, foundDesc = null;
+        outer:
+        for (String section : SECTIONS) {
+            if (!root.has(section) || !root.get(section).isJsonObject()) continue;
+            JsonObject sec = root.getAsJsonObject(section);
+            if (!sec.has("furnitype") || !sec.get("furnitype").isJsonArray()) continue;
+            for (JsonElement el : sec.getAsJsonArray("furnitype")) {
+                if (!el.isJsonObject()) continue;
+                JsonObject o = el.getAsJsonObject();
+                if (!o.has("classname")) continue;
+                if (o.get("classname").getAsString().trim().toLowerCase(Locale.ROOT).equals(cn)) {
+                    foundName = (o.has("name") && !o.get("name").isJsonNull()) ? o.get("name").getAsString() : "";
+                    foundDesc = (o.has("description") && !o.get("description").isJsonNull()) ? o.get("description").getAsString() : "";
+                    break outer;
+                }
+            }
+        }
+
+        boolean found = (foundName != null);
+        this.client.sendResponse(new FurniEditorImportTextResultComposer(
+                found, found ? foundName : "", found ? foundDesc : "", classname));
+        LOGGER.info("FurniEditorImportTextEvent: admin {} import for classname '{}' (item {}) -> found={}",
+                this.client.getHabbo().getHabboInfo().getId(), classname, itemId, found);
+    }
+
+    /** Fetch the remote furnidata JSON with a TTL cache (serves stale on failure). */
+    private static synchronized JsonObject fetchCached(String url) {
+        long ttlMs;
+        try {
+            ttlMs = Long.parseLong(Emulator.getConfig().getValue("furni.editor.import.cache.ms", "600000"));
+        } catch (Exception e) {
+            ttlMs = 600000L;
+        }
+
+        long now = System.currentTimeMillis();
+        if (CACHE != null && url.equals(CACHE_URL) && (now - CACHE_TIME) < ttlMs) {
+            return CACHE;
+        }
+
+        try {
+            HttpClient httpClient = HttpClient.newBuilder()
+                    .connectTimeout(Duration.ofSeconds(10))
+                    .followRedirects(HttpClient.Redirect.NORMAL)
+                    .build();
+            HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+                    .timeout(Duration.ofSeconds(20))
+                    .header("User-Agent", "Arcturus-FurniEditor")
+                    .GET()
+                    .build();
+            HttpResponse<String> resp = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
+            if (resp.statusCode() != 200) {
+                LOGGER.warn("FurniEditorImportTextEvent: fetch {} returned HTTP {}", url, resp.statusCode());
+                return CACHE; // serve stale if available
+            }
+            JsonObject root = JsonParser.parseString(resp.body()).getAsJsonObject();
+            CACHE = root;
+            CACHE_URL = url;
+            CACHE_TIME = now;
+            return root;
+        } catch (Exception e) {
+            LOGGER.warn("FurniEditorImportTextEvent: failed to fetch {}", url, e);
+            return CACHE; // serve stale if available
+        }
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorRevertFurnidataEvent.java

@@ -0,0 +1,118 @@
+package com.eu.habbo.messages.incoming.furnieditor;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.items.FurnidataEntry;
+import com.eu.habbo.habbohotel.items.FurnidataLock;
+import com.eu.habbo.habbohotel.items.FurnidataWriter;
+import com.eu.habbo.habbohotel.items.FurnitureTextProvider;
+import com.eu.habbo.habbohotel.permissions.Permission;
+import com.eu.habbo.habbohotel.users.Habbo;
+import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.furniture.FurnitureDataReloadComposer;
+import com.eu.habbo.messages.outgoing.furnieditor.FurniEditorResultComposer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Incoming handler 10048 — admin reverts a furni's furnidata to the last rotating backup.
+ *
+ * Flow: permission check → read item_id → resolve classname → under FurnidataLock:
+ * FurnidataWriter.revertLastBackup → FurnitureTextProvider.reindexFromSource →
+ * broadcast FurnitureDataReloadComposer (10047) → audit log → respond.
+ */
+public class FurniEditorRevertFurnidataEvent extends MessageHandler {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurniEditorRevertFurnidataEvent.class);
+
+    @Override
+    public void handle() throws Exception {
+        Habbo habbo = this.client.getHabbo();
+
+        // 1. Permission check
+        if (!habbo.hasPermission(Permission.ACC_CATALOGFURNI)) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "No permission"));
+            return;
+        }
+
+        // 2. Read packet
+        int itemId = this.packet.readInt();
+
+        if (itemId <= 0) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Invalid item ID"));
+            return;
+        }
+
+        // 3. Resolve classname from item_id (reuse static helper from update handler)
+        String classname = FurniEditorUpdateFurnidataEvent.classnameForItem(itemId);
+        String classnameForLog = (classname != null) ? classname : "?";
+
+        // 4. Verify provider is configured
+        FurnitureTextProvider provider =
+            Emulator.getGameEnvironment().getFurnitureTextProvider();
+
+        if (provider == null || provider.getSource() == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Furnidata source not configured"));
+            return;
+        }
+
+        int adminId = habbo.getHabboInfo().getId();
+
+        // 5. Revert + reindex + broadcast under the shared lock
+        boolean reverted;
+        List<FurnidataEntry> delta;
+
+        FurnidataLock.LOCK.lock();
+        try {
+            FurnidataWriter writer = new FurnidataWriter(
+                provider.getSource(),
+                provider.isSourceDirectory(),
+                provider.getMaxBytes(),
+                3 /* backupKeep */
+            );
+            reverted = writer.revertLastBackup();
+            if (!reverted) {
+                this.client.sendResponse(new FurniEditorResultComposer(false, "No backup found to revert"));
+                return;
+            }
+
+            delta = provider.reindexFromSource();
+
+            if (!delta.isEmpty()) {
+                int deltaCap = Integer.parseInt(
+                    Emulator.getConfig().getValue("items.furnidata.delta.cap", "500"));
+                FurnitureDataReloadComposer composer = (delta.size() > deltaCap)
+                    ? new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_RELOAD_HINT, List.of())
+                    : new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_DELTA, delta);
+                broadcastToAll(composer);
+            }
+        } finally {
+            FurnidataLock.LOCK.unlock();
+        }
+
+        // 6. Audit log (outside lock — DB write, not latency-sensitive)
+        FurnidataAuditLog.record(
+            adminId,
+            classnameForLog,
+            "revert",
+            "", // previous state unknown at this point
+            "",
+            "",
+            ""
+        );
+
+        // 7. Respond success
+        this.client.sendResponse(new FurniEditorResultComposer(true, "Furnidata reverted", itemId));
+        LOGGER.info("FurniEditorRevertFurnidataEvent: admin {} reverted furnidata for classname '{}' (item {})",
+            adminId, classnameForLog, itemId);
+    }
+
+    private static void broadcastToAll(FurnitureDataReloadComposer composer) {
+        for (Habbo habbo : Emulator.getGameEnvironment().getHabboManager().getOnlineHabbos().values()) {
+            if (habbo.getClient() != null) {
+                habbo.getClient().sendResponse(composer);
+            }
+        }
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorSearchEvent.java

@@ -27,6 +27,8 @@ public class FurniEditorSearchEvent extends MessageHandler {
         String query = this.packet.readString();
         String type = this.packet.readString();
         int page = this.packet.readInt();
+        String sortField = this.packet.readString();
+        String sortDir = this.packet.readString();
 
         // Input validation
         if (query.length() > 100) {
@@ -64,10 +66,53 @@ public class FurniEditorSearchEvent extends MessageHandler {
             params.add(type);
         }
 
+        // Extend search with furnidata display-name matches (server-authoritative names in JSON).
+        // Appends: OR (LOWER(item_name) IN (?,?,...) [AND type=?])
+        // Both branches carry their own type filter, so type scoping is preserved.
+        // Params: [existing LIKE params] [existing type?] [furniCns...] [type again?]
+        if (!query.isEmpty()) {
+            java.util.List<String> furniCns = Emulator.getGameEnvironment()
+                    .getFurnitureTextProvider()
+                    .findClassnamesByName(query);
+            if (!furniCns.isEmpty()) {
+                // Build: OR (LOWER(item_name) IN (?,?,...) [AND type = ?])
+                StringBuilder orBranch = new StringBuilder(" OR (LOWER(item_name) IN (");
+                for (int i = 0; i < furniCns.size(); i++) {
+                    if (i > 0) orBranch.append(", ");
+                    orBranch.append('?');
+                }
+                orBranch.append(')');
+                if (type != null && !type.isEmpty()) {
+                    orBranch.append(" AND type = ?");
+                }
+                orBranch.append(')');
+                whereClause.append(orBranch);
+                params.addAll(furniCns);
+                if (type != null && !type.isEmpty()) {
+                    params.add(type);
+                }
+            }
+        }
+
+        // Resolve a SAFE ORDER BY from the whitelisted sort field/direction
+        // (column names are never taken from raw user input — injection-proof).
+        String orderColumn;
+        switch (sortField == null ? "" : sortField) {
+            case "spriteId":        orderColumn = "sprite_id"; break;
+            case "itemName":        orderColumn = "item_name"; break;
+            case "publicName":      orderColumn = "public_name"; break;
+            case "type":            orderColumn = "type"; break;
+            case "interactionType": orderColumn = "interaction_type"; break;
+            case "id":
+            default:                orderColumn = "id"; break;
+        }
+        String orderDir = "desc".equalsIgnoreCase(sortDir) ? "DESC" : "ASC";
+
         // Count total
         int total = 0;
         String countSql = "SELECT COUNT(*) FROM items_base " + whereClause;
-        String dataSql = "SELECT * FROM items_base " + whereClause + " ORDER BY id ASC LIMIT ? OFFSET ?";
+        String dataSql = "SELECT * FROM items_base " + whereClause
+                + " ORDER BY " + orderColumn + " " + orderDir + ", id ASC LIMIT ? OFFSET ?";
 
         List<Map<String, Object>> items = new ArrayList<>();
 

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurniEditorUpdateFurnidataEvent.java

@@ -0,0 +1,203 @@
+package com.eu.habbo.messages.incoming.furnieditor;
+
+import com.eu.habbo.Emulator;
+import com.eu.habbo.habbohotel.items.FurnidataEntry;
+import com.eu.habbo.habbohotel.items.FurnidataLock;
+import com.eu.habbo.habbohotel.items.FurnidataWriter;
+import com.eu.habbo.habbohotel.items.FurnitureTextProvider;
+import com.eu.habbo.habbohotel.permissions.Permission;
+import com.eu.habbo.habbohotel.users.Habbo;
+import com.eu.habbo.messages.incoming.MessageHandler;
+import com.eu.habbo.messages.outgoing.furniture.FurnitureDataReloadComposer;
+import com.eu.habbo.messages.outgoing.furnieditor.FurniEditorResultComposer;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Incoming handler 10046 — admin saves a furni name/description in the editor.
+ *
+ * Flow: permission check → rate-limit → resolve classname from item_id →
+ * under FurnidataLock: FurnidataWriter.write → FurnitureTextProvider.reindexFromSource →
+ * broadcast FurnitureDataReloadComposer (10047) → audit log → respond.
+ */
+public class FurniEditorUpdateFurnidataEvent extends MessageHandler {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurniEditorUpdateFurnidataEvent.class);
+
+    /** Rate-limit: min milliseconds between successive calls per admin user id. */
+    private static final long RATE_LIMIT_MS = 1_000L;
+
+    /** Per-admin last-call timestamp map. */
+    private static final Map<Integer, Long> LAST_CALL = new ConcurrentHashMap<>();
+
+    @Override
+    public void handle() throws Exception {
+        Habbo habbo = this.client.getHabbo();
+
+        // 1. Permission check
+        if (!habbo.hasPermission(Permission.ACC_CATALOGFURNI)) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "No permission"));
+            return;
+        }
+
+        // 2. Rate-limit per admin
+        int adminId = habbo.getHabboInfo().getId();
+        long now = System.currentTimeMillis();
+        Long last = LAST_CALL.get(adminId);
+        if (last != null && (now - last) < RATE_LIMIT_MS) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Too many requests"));
+            return;
+        }
+        LAST_CALL.put(adminId, now);
+
+        // 3. Read packet
+        int itemId = this.packet.readInt();
+        JsonObject json;
+        try {
+            json = JsonParser.parseString(this.packet.readString()).getAsJsonObject();
+        } catch (Exception e) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Invalid JSON data"));
+            return;
+        }
+
+        if (itemId <= 0) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Invalid item ID"));
+            return;
+        }
+
+        String name        = json.has("name")        ? json.get("name").getAsString()        : null;
+        String description = json.has("description") ? json.get("description").getAsString() : null;
+
+        if (name == null && description == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "No name or description provided"));
+            return;
+        }
+
+        // 4. Resolve classname from item_id
+        String classname = classnameForItem(itemId);
+        if (classname == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Item not found"));
+            return;
+        }
+
+        // 5. Write + reindex + broadcast under the shared lock
+        FurnitureTextProvider provider =
+            Emulator.getGameEnvironment().getFurnitureTextProvider();
+
+        if (provider == null || provider.getSource() == null) {
+            this.client.sendResponse(new FurniEditorResultComposer(false, "Furnidata source not configured"));
+            return;
+        }
+
+        // Capture old values (before write) for the audit log
+        String oldName = provider.getName(classname);
+        // description is not indexed in the provider — treat as empty string for audit
+        String oldDesc = "";
+
+        // FurnidataWriter.write() calls FurnitureTextProvider.sanitize() internally;
+        // pass the raw values here and use them also for the audit log.
+        String safeName = (name        != null) ? name        : "";
+        String safeDesc = (description != null) ? description : "";
+
+        boolean written;
+        List<FurnidataEntry> delta;
+
+        FurnidataLock.LOCK.lock();
+        try {
+            FurnidataWriter writer = new FurnidataWriter(
+                provider.getSource(),
+                provider.isSourceDirectory(),
+                provider.getMaxBytes(),
+                3 /* backupKeep */
+            );
+            written = writer.write(classname, safeName, safeDesc);
+            if (!written) {
+                this.client.sendResponse(new FurniEditorResultComposer(false, "Classname not found in furnidata"));
+                return;
+            }
+
+            delta = provider.reindexFromSource();
+
+            if (!delta.isEmpty()) {
+                int deltaCap = Integer.parseInt(
+                    Emulator.getConfig().getValue("items.furnidata.delta.cap", "500"));
+                FurnitureDataReloadComposer composer = (delta.size() > deltaCap)
+                    ? new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_RELOAD_HINT, List.of())
+                    : new FurnitureDataReloadComposer(FurnitureDataReloadComposer.MODE_DELTA, delta);
+                broadcastToAll(composer);
+            }
+        } finally {
+            FurnidataLock.LOCK.unlock();
+        }
+
+        // 5b. Auto-mirror the new display name into items_base.public_name (DB) so the
+        //     server-side fallback (Item.getFullName) and the editor's read-only
+        //     "Public Name" field stay in sync with the furnidata edit. Only when a
+        //     name was actually supplied (description-only edits must not blank it).
+        //     Kept outside FurnidataLock (independent DB write, like the audit log).
+        if (name != null) {
+            try (Connection c = Emulator.getDatabase().getDataSource().getConnection();
+                 PreparedStatement st = c.prepareStatement("UPDATE items_base SET public_name = ? WHERE id = ?")) {
+                st.setString(1, FurnitureTextProvider.sanitize(safeName));
+                st.setInt(2, itemId);
+                st.executeUpdate();
+                // Refresh the in-memory Item cache (Item.fullName) in place — no restart needed.
+                Emulator.getGameEnvironment().getItemManager().loadItems();
+            } catch (Exception e) {
+                LOGGER.warn("Failed to mirror furnidata name into items_base.public_name for item {}", itemId, e);
+            }
+        }
+
+        // 6. Audit log (outside lock — DB write, not latency-sensitive)
+        FurnidataAuditLog.record(
+            adminId,
+            classname,
+            "edit",
+            oldName != null ? oldName : "",
+            FurnitureTextProvider.sanitize(safeName),
+            oldDesc,
+            FurnitureTextProvider.sanitize(safeDesc)
+        );
+
+        // 7. Respond success
+        this.client.sendResponse(new FurniEditorResultComposer(true, "Furnidata updated", itemId));
+        LOGGER.info("FurniEditorUpdateFurnidataEvent: admin {} updated furnidata for classname '{}' (item {})",
+            adminId, classname, itemId);
+    }
+
+    /**
+     * Resolves the item_name (classname) from items_base for a given item id.
+     * Kept static so FurniEditorRevertFurnidataEvent can reuse it.
+     *
+     * @return the classname string, or {@code null} if not found or on error.
+     */
+    public static String classnameForItem(int itemId) {
+        try (Connection c = Emulator.getDatabase().getDataSource().getConnection();
+             PreparedStatement st = c.prepareStatement("SELECT item_name FROM items_base WHERE id = ?")) {
+            st.setInt(1, itemId);
+            try (ResultSet rs = st.executeQuery()) {
+                if (rs.next()) return rs.getString("item_name");
+            }
+        } catch (Exception e) {
+            LOGGER.warn("classnameForItem: failed to query items_base for id {}", itemId, e);
+        }
+        return null;
+    }
+
+    private static void broadcastToAll(FurnitureDataReloadComposer composer) {
+        for (Habbo habbo : Emulator.getGameEnvironment().getHabboManager().getOnlineHabbos().values()) {
+            if (habbo.getClient() != null) {
+                habbo.getClient().sendResponse(composer);
+            }
+        }
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/incoming/furnieditor/FurnidataAuditLog.java

@@ -0,0 +1,32 @@
+package com.eu.habbo.messages.incoming.furnieditor;
+
+import com.eu.habbo.Emulator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+
+public final class FurnidataAuditLog {
+    private static final Logger LOGGER = LoggerFactory.getLogger(FurnidataAuditLog.class);
+    private FurnidataAuditLog() {}
+
+    public static void record(int userId, String classname, String action,
+                              String oldName, String newName, String oldDesc, String newDesc) {
+        try (Connection c = Emulator.getDatabase().getDataSource().getConnection();
+             PreparedStatement st = c.prepareStatement(
+                 "INSERT INTO furnidata_edit_log (user_id, classname, action, old_name, new_name, old_description, new_description, timestamp) " +
+                 "VALUES (?,?,?,?,?,?,?,?)")) {
+            st.setInt(1, userId);
+            st.setString(2, classname);
+            st.setString(3, action);
+            st.setString(4, oldName == null ? "" : oldName);
+            st.setString(5, newName == null ? "" : newName);
+            st.setString(6, oldDesc == null ? "" : oldDesc);
+            st.setString(7, newDesc == null ? "" : newDesc);
+            st.setInt(8, Emulator.getIntUnixTimestamp());
+            st.executeUpdate();
+        } catch (Exception e) {
+            LOGGER.error("Failed to write furnidata_edit_log", e);
+        }
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/outgoing/Outgoing.java

@@ -570,9 +570,13 @@ public class Outgoing {
     public static final int FurniEditorDetailComposer = 10041;
     public static final int FurniEditorInteractionsComposer = 10043;
     public static final int FurniEditorResultComposer = 10044;
+    public static final int FurnitureDataReloadComposer = 10047; // CUSTOM
+    public static final int FurniEditorImportTextResultComposer = 10049; // CUSTOM
 
     // Catalog Admin
     public static final int CatalogAdminResultComposer = 10059;
+    public static final int CatalogAdminOfferDetailsComposer = 10062;
+    public static final int CatalogAdminPageDetailsComposer = 10063;
 
     // Custom Prefixes
     public static final int UserPrefixesComposer = 7001;

Emulator/src/main/java/com/eu/habbo/messages/outgoing/catalog/catalogadmin/CatalogAdminOfferDetailsComposer.java

@@ -0,0 +1,29 @@
+package com.eu.habbo.messages.outgoing.catalog.catalogadmin;
+
+import com.eu.habbo.messages.ServerMessage;
+import com.eu.habbo.messages.outgoing.MessageComposer;
+import com.eu.habbo.messages.outgoing.Outgoing;
+
+public class CatalogAdminOfferDetailsComposer extends MessageComposer {
+    private final int offerId;
+    private final int offerIdGroup;
+    private final int limitedStack;
+    private final int orderNumber;
+
+    public CatalogAdminOfferDetailsComposer(int offerId, int offerIdGroup, int limitedStack, int orderNumber) {
+        this.offerId = offerId;
+        this.offerIdGroup = offerIdGroup;
+        this.limitedStack = limitedStack;
+        this.orderNumber = orderNumber;
+    }
+
+    @Override
+    protected ServerMessage composeInternal() {
+        this.response.init(Outgoing.CatalogAdminOfferDetailsComposer);
+        this.response.appendInt(this.offerId);
+        this.response.appendInt(this.offerIdGroup);
+        this.response.appendInt(this.limitedStack);
+        this.response.appendInt(this.orderNumber);
+        return this.response;
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/outgoing/catalog/catalogadmin/CatalogAdminPageDetailsComposer.java

@@ -0,0 +1,27 @@
+package com.eu.habbo.messages.outgoing.catalog.catalogadmin;
+
+import com.eu.habbo.habbohotel.catalog.CatalogPage;
+import com.eu.habbo.messages.ServerMessage;
+import com.eu.habbo.messages.outgoing.MessageComposer;
+import com.eu.habbo.messages.outgoing.Outgoing;
+
+public class CatalogAdminPageDetailsComposer extends MessageComposer {
+    private final CatalogPage page;
+
+    public CatalogAdminPageDetailsComposer(CatalogPage page) {
+        this.page = page;
+    }
+
+    @Override
+    protected ServerMessage composeInternal() {
+        this.response.init(Outgoing.CatalogAdminPageDetailsComposer);
+        this.response.appendInt(this.page.getId());
+        this.response.appendString(this.page.getCaption());
+        this.response.appendString(this.page.getPageName());
+        this.response.appendInt(this.page.getRank());
+        this.response.appendInt(this.page.getOrderNum());
+        this.response.appendBoolean(this.page.isVisible());
+        this.response.appendBoolean(this.page.isEnabled());
+        return this.response;
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/outgoing/friends/FriendsComposer.java

@@ -40,7 +40,7 @@ public class FriendsComposer extends MessageComposer {
                 this.response.appendInt(row.getGender().equals(HabboGender.M) ? 0 : 1);
                 this.response.appendBoolean(row.getOnline() == 1);
                 this.response.appendBoolean(row.inRoom()); //IN ROOM
-                this.response.appendString(row.getOnline() == 1 ? row.getLook() : "");
+                this.response.appendString(row.getLook()); // send look for offline friends too (loaded from DB)
                 this.response.appendInt(row.getCategoryId()); //Friends category
                 this.response.appendString(row.getMotto());
                 this.response.appendString(""); //Last seen as DATETIMESTRING

Emulator/src/main/java/com/eu/habbo/messages/outgoing/furnieditor/FurniEditorDetailComposer.java

@@ -12,12 +12,18 @@ public class FurniEditorDetailComposer extends MessageComposer {
     private final int usageCount;
     private final List<Map<String, Object>> catalogItems;
     private final String furniDataJson;
+    private final String furniDataDiagnosticJson;
 
     public FurniEditorDetailComposer(Map<String, Object> item, int usageCount, List<Map<String, Object>> catalogItems, String furniDataJson) {
+        this(item, usageCount, catalogItems, furniDataJson, "{}");
+    }
+
+    public FurniEditorDetailComposer(Map<String, Object> item, int usageCount, List<Map<String, Object>> catalogItems, String furniDataJson, String furniDataDiagnosticJson) {
         this.item = item;
         this.usageCount = usageCount;
         this.catalogItems = catalogItems;
         this.furniDataJson = furniDataJson;
+        this.furniDataDiagnosticJson = furniDataDiagnosticJson;
     }
 
     @Override
@@ -71,6 +77,7 @@ public class FurniEditorDetailComposer extends MessageComposer {
 
         // furnidata JSON string
         this.response.appendString(this.furniDataJson != null ? this.furniDataJson : "{}");
+        this.response.appendString(this.furniDataDiagnosticJson != null ? this.furniDataDiagnosticJson : "{}");
 
         return this.response;
     }

Emulator/src/main/java/com/eu/habbo/messages/outgoing/furnieditor/FurniEditorImportTextResultComposer.java

@@ -0,0 +1,33 @@
+package com.eu.habbo.messages.outgoing.furnieditor;
+
+import com.eu.habbo.messages.ServerMessage;
+import com.eu.habbo.messages.outgoing.MessageComposer;
+import com.eu.habbo.messages.outgoing.Outgoing;
+
+/**
+ * Outgoing 10049 — result of an "import texts from Habbo" request.
+ * Carries the official furnidata name/description for a classname (or found=false).
+ */
+public class FurniEditorImportTextResultComposer extends MessageComposer {
+    private final boolean found;
+    private final String name;
+    private final String description;
+    private final String classname;
+
+    public FurniEditorImportTextResultComposer(boolean found, String name, String description, String classname) {
+        this.found = found;
+        this.name = name == null ? "" : name;
+        this.description = description == null ? "" : description;
+        this.classname = classname == null ? "" : classname;
+    }
+
+    @Override
+    protected ServerMessage composeInternal() {
+        this.response.init(Outgoing.FurniEditorImportTextResultComposer);
+        this.response.appendBoolean(this.found);
+        this.response.appendString(this.name);
+        this.response.appendString(this.description);
+        this.response.appendString(this.classname);
+        return this.response;
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/outgoing/furniture/FurnitureDataReloadComposer.java

@@ -0,0 +1,42 @@
+package com.eu.habbo.messages.outgoing.furniture;
+
+import com.eu.habbo.habbohotel.items.FurnidataEntry;
+import com.eu.habbo.habbohotel.items.FurnitureType;
+import com.eu.habbo.messages.ServerMessage;
+import com.eu.habbo.messages.outgoing.MessageComposer;
+import com.eu.habbo.messages.outgoing.Outgoing;
+
+import java.util.List;
+
+public class FurnitureDataReloadComposer extends MessageComposer {
+
+    public static final int MODE_DELTA = 0;
+    public static final int MODE_RELOAD_HINT = 1;
+
+    private final int mode;
+    private final List<FurnidataEntry> entries;
+
+    public FurnitureDataReloadComposer(int mode, List<FurnidataEntry> entries) {
+        this.mode = mode;
+        this.entries = entries;
+    }
+
+    @Override
+    protected ServerMessage composeInternal() {
+        this.response.init(Outgoing.FurnitureDataReloadComposer);
+        this.response.appendInt(this.mode);
+
+        if (this.mode == MODE_DELTA) {
+            this.response.appendInt(this.entries.size());
+            for (FurnidataEntry e : this.entries) {
+                this.response.appendString(e.type() == FurnitureType.FLOOR ? "S" : "I");
+                this.response.appendInt(e.id());
+                this.response.appendString(e.classname());
+                this.response.appendString(e.name());
+                this.response.appendString(e.description());
+            }
+        }
+
+        return this.response;
+    }
+}

Emulator/src/main/java/com/eu/habbo/messages/outgoing/unknown/WatchAndEarnRewardComposer.java

@@ -18,7 +18,7 @@ public class WatchAndEarnRewardComposer extends MessageComposer {
         this.response.appendString(this.item.getType().code);
         this.response.appendInt(this.item.getId());
         this.response.appendString(this.item.getName());
-        this.response.appendString(this.item.getFullName());
+        this.response.appendString(this.item.getDisplayName());
         return this.response;
     }
 

Emulator/src/test/java/com/eu/habbo/SmokeTest.java

@@ -0,0 +1,11 @@
+package com.eu.habbo;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class SmokeTest {
+    @Test
+    void harnessRuns() {
+        assertTrue(true);
+    }
+}

Emulator/src/test/java/com/eu/habbo/habbohotel/items/FurnidataReaderTest.java

@@ -0,0 +1,85 @@
+package com.eu.habbo.habbohotel.items;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FurnidataReaderTest {
+
+    private static final String SINGLE = """
+        {
+          // a comment
+          "roomitemtypes": { "furnitype": [
+            { "id": 10, "classname": "chair_norja", "name": "Chair", "description": "Sit", "xdim": 1, "ydim": 1 },
+          ]},
+          "wallitemtypes": { "furnitype": [
+            { "id": 20, "classname": "poster_5", "name": "Poster", "description": "Wall" }
+          ]}
+        }
+        """;
+
+    @Test
+    void parsesSingleFileFloorAndWall(@TempDir Path dir) throws Exception {
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, SINGLE);
+
+        List<FurnidataEntry> entries = new FurnidataReader(file, 64 * 1024 * 1024).read();
+
+        assertEquals(2, entries.size());
+        FurnidataEntry floor = entries.stream().filter(e -> e.id() == 10).findFirst().orElseThrow();
+        assertEquals("chair_norja", floor.classname());
+        assertEquals(FurnitureType.FLOOR, floor.type());
+        assertEquals("Chair", floor.name());
+        FurnidataEntry wall = entries.stream().filter(e -> e.id() == 20).findFirst().orElseThrow();
+        assertEquals(FurnitureType.WALL, wall.type());
+    }
+
+    @Test
+    void rejectsFileOverSizeCap(@TempDir Path dir) throws Exception {
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, SINGLE);
+        List<FurnidataEntry> entries = new FurnidataReader(file, 8 /* bytes */).read();
+        assertTrue(entries.isEmpty(), "oversized file must be refused, returning empty");
+    }
+
+    @Test
+    void missingSourceReturnsEmptyNeverThrows(@TempDir Path dir) {
+        Path missing = dir.resolve("does-not-exist.json");
+        assertDoesNotThrow(() -> {
+            assertTrue(new FurnidataReader(missing, 64 * 1024 * 1024).read().isEmpty());
+        });
+    }
+
+    @Test
+    void oversizedManifestIsSkippedNeverThrows(@TempDir Path dir) throws Exception {
+        Path base = dir.resolve("furnidata");
+        Path core = base.resolve("core");
+        Files.createDirectories(core);
+        // A root manifest larger than the cap we pass in.
+        Files.writeString(base.resolve("manifest.json"), "{ \"tiers\": [ \"core\" ] }   // padding ".repeat(50));
+        List<FurnidataEntry> entries = new FurnidataReader(base, 8 /* bytes */).read();
+        assertTrue(entries.isEmpty());
+    }
+
+    @Test
+    void splitDirRejectsTraversalFiles(@TempDir Path dir) throws Exception {
+        Path secret = dir.resolve("secret.json");
+        Files.writeString(secret, "{ \"roomitemtypes\": { \"furnitype\": [ { \"id\": 99, \"classname\": \"x\", \"name\": \"LEAK\", \"description\": \"\" } ] } }");
+
+        Path base = dir.resolve("furnidata");
+        Path core = base.resolve("core");
+        Files.createDirectories(core);
+        Files.writeString(base.resolve("manifest.json"), "{ \"tiers\": [ \"core\" ] }");
+        Files.writeString(core.resolve("manifest.json"), "{ \"files\": [ \"../../secret.json\" ] }");
+
+        List<FurnidataEntry> entries = new FurnidataReader(base, 64 * 1024 * 1024).read();
+
+        assertTrue(entries.stream().noneMatch(e -> e.id() == 99),
+            "traversal file outside the base dir must be ignored");
+    }
+}

Emulator/src/test/java/com/eu/habbo/habbohotel/items/FurnidataWriterTest.java

@@ -0,0 +1,130 @@
+package com.eu.habbo.habbohotel.items;
+
+import org.junit.jupiter.api.Test;
+import java.nio.file.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+class FurnidataWriterTest {
+
+    private static final String SINGLE =
+        "{ \"roomitemtypes\": { \"furnitype\": [\n" +
+        "  { \"id\": 1, \"classname\": \"01_caterhead\", \"name\": \"old name\", \"description\": \"old desc\" }\n" +
+        "] }, \"wallitemtypes\": { \"furnitype\": [] } }";
+
+    // Tier data: core has the entry with "core name"; custom ALSO has it with "custom old name".
+    // The writer must pick the custom (winning) tier and leave core untouched.
+    private static final String CORE_DATA =
+        "{ \"roomitemtypes\": { \"furnitype\": [\n" +
+        "  { \"id\": 1, \"classname\": \"split_chair\", \"name\": \"core name\", \"description\": \"core desc\" }\n" +
+        "] }, \"wallitemtypes\": { \"furnitype\": [] } }";
+
+    private static final String CUSTOM_DATA =
+        "{ \"roomitemtypes\": { \"furnitype\": [\n" +
+        "  { \"id\": 1, \"classname\": \"split_chair\", \"name\": \"custom old name\", \"description\": \"custom old desc\" }\n" +
+        "] }, \"wallitemtypes\": { \"furnitype\": [] } }";
+
+    @Test
+    void writesNameAndDescriptionByClassnameSingleFile() throws Exception {
+        Path dir = Files.createTempDirectory("fd");
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, SINGLE);
+
+        FurnidataWriter w = new FurnidataWriter(file, false, 64L * 1024 * 1024, 10);
+        boolean ok = w.write("01_caterhead", "Cat Head", "A cat head");
+
+        assertTrue(ok);
+        String after = Files.readString(file);
+        assertTrue(after.contains("\"Cat Head\""));
+        assertTrue(after.contains("\"A cat head\""));
+        assertFalse(after.contains("old name"));
+        // backup created
+        assertTrue(Files.list(dir).anyMatch(p -> p.getFileName().toString().startsWith("FurnitureData.json.bak")));
+    }
+
+    @Test
+    void rejectsUnknownClassname() throws Exception {
+        Path dir = Files.createTempDirectory("fd");
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, SINGLE);
+        FurnidataWriter w = new FurnidataWriter(file, false, 64L * 1024 * 1024, 10);
+        assertFalse(w.write("does_not_exist", "x", "y"));
+    }
+
+    /**
+     * Split-tier: classname present in both core and custom tiers.
+     * The writer must update the winning (later) tier — custom — and leave core untouched.
+     */
+    @Test
+    void splitTierWritesWinningTierLeavesEarlierTierUntouched() throws Exception {
+        Path base = Files.createTempDirectory("fd-split");
+
+        // Tier subdirectories
+        Path coreDir = base.resolve("core");
+        Path customDir = base.resolve("custom");
+        Files.createDirectories(coreDir);
+        Files.createDirectories(customDir);
+
+        // Top-level manifest: tiers in override order (core < custom)
+        Files.writeString(base.resolve("manifest.json"),
+            "{ \"tiers\": [ \"core\", \"custom\" ] }");
+
+        // Per-tier manifests listing the data file
+        Files.writeString(coreDir.resolve("manifest.json"),
+            "{ \"files\": [ \"furnidata.json\" ] }");
+        Files.writeString(customDir.resolve("manifest.json"),
+            "{ \"files\": [ \"furnidata.json\" ] }");
+
+        // Data files
+        Path coreFile   = coreDir.resolve("furnidata.json");
+        Path customFile = customDir.resolve("furnidata.json");
+        Files.writeString(coreFile,   CORE_DATA);
+        Files.writeString(customFile, CUSTOM_DATA);
+
+        FurnidataWriter w = new FurnidataWriter(base, true, 64L * 1024 * 1024, 10);
+        boolean ok = w.write("split_chair", "New Name", "New desc");
+
+        assertTrue(ok, "write must succeed for classname present in split-tier layout");
+
+        // custom (winning tier) must be updated
+        String customAfter = Files.readString(customFile);
+        assertTrue(customAfter.contains("\"New Name\""),    "winning tier must contain new name");
+        assertTrue(customAfter.contains("\"New desc\""),    "winning tier must contain new desc");
+        assertFalse(customAfter.contains("custom old name"), "old name must be gone from winning tier");
+
+        // core (earlier tier) must be UNTOUCHED
+        String coreAfter = Files.readString(coreFile);
+        assertTrue(coreAfter.contains("core name"), "earlier tier must be left untouched");
+    }
+
+    /**
+     * Split-tier path-traversal guard: a manifest that lists "../escape" as a tier
+     * must be rejected by safeResolve so the writer cannot reach files outside the base dir.
+     */
+    @Test
+    void splitTierRejectsTraversalTierInManifest() throws Exception {
+        Path base = Files.createTempDirectory("fd-traversal");
+
+        // "Escape" directory sits OUTSIDE base
+        Path escapeDir = base.getParent().resolve("escape_secret");
+        Files.createDirectories(escapeDir);
+        Files.writeString(escapeDir.resolve("manifest.json"),
+            "{ \"files\": [ \"secret.json\" ] }");
+        Files.writeString(escapeDir.resolve("secret.json"),
+            "{ \"roomitemtypes\": { \"furnitype\": [\n" +
+            "  { \"id\": 99, \"classname\": \"escape_chair\", \"name\": \"secret old\", \"description\": \"\" }\n" +
+            "] }, \"wallitemtypes\": { \"furnitype\": [] } }");
+
+        // Top-level manifest references the escape dir via traversal
+        Files.writeString(base.resolve("manifest.json"),
+            "{ \"tiers\": [ \"../escape_secret\" ] }");
+
+        FurnidataWriter w = new FurnidataWriter(base, true, 64L * 1024 * 1024, 10);
+        boolean ok = w.write("escape_chair", "Pwned", "desc");
+
+        assertFalse(ok, "classname reachable only via traversal path must not be found/written");
+
+        // The secret file must not have been touched
+        String secretAfter = Files.readString(escapeDir.resolve("secret.json"));
+        assertTrue(secretAfter.contains("secret old"), "traversal target must be untouched");
+    }
+}

Emulator/src/test/java/com/eu/habbo/habbohotel/items/FurnitureTextProviderDeltaTest.java

@@ -0,0 +1,40 @@
+package com.eu.habbo.habbohotel.items;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FurnitureTextProviderDeltaTest {
+
+    @Test
+    void firstReindexReturnsAllAsDelta() {
+        FurnitureTextProvider p = new FurnitureTextProvider(true);
+        List<FurnidataEntry> delta = p.reindex(List.of(
+            new FurnidataEntry(1, "chair", FurnitureType.FLOOR, "Chair", "Sit")));
+        assertEquals(1, delta.size());
+        assertEquals("Chair", delta.get(0).name());
+    }
+
+    @Test
+    void unchangedReindexReturnsEmptyDelta() {
+        FurnitureTextProvider p = new FurnitureTextProvider(true);
+        List<FurnidataEntry> first = List.of(new FurnidataEntry(1, "chair", FurnitureType.FLOOR, "Chair", "Sit"));
+        p.reindex(first);
+        List<FurnidataEntry> delta = p.reindex(first);
+        assertTrue(delta.isEmpty(), "no change => empty delta");
+    }
+
+    @Test
+    void changedNameAppearsInDeltaWithSanitizedValue() {
+        FurnitureTextProvider p = new FurnitureTextProvider(true);
+        p.reindex(List.of(new FurnidataEntry(1, "chair", FurnitureType.FLOOR, "Chair", "Sit")));
+        List<FurnidataEntry> delta = p.reindex(List.of(
+            new FurnidataEntry(1, "chair", FurnitureType.FLOOR, "New %x%", "Sit")));
+        assertEquals(1, delta.size());
+        assertFalse(delta.get(0).name().contains("%"), "delta carries the sanitized name");
+        assertEquals(1, delta.get(0).id());
+        assertEquals(FurnitureType.FLOOR, delta.get(0).type());
+    }
+}

Emulator/src/test/java/com/eu/habbo/habbohotel/items/FurnitureTextProviderTest.java

@@ -0,0 +1,61 @@
+package com.eu.habbo.habbohotel.items;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FurnitureTextProviderTest {
+
+    private FurnitureTextProvider provider(boolean enabled, FurnidataEntry... entries) {
+        FurnitureTextProvider p = new FurnitureTextProvider(enabled);
+        p.reindex(List.of(entries));
+        return p;
+    }
+
+    @Test
+    void resolvesNameByClassname() {
+        FurnitureTextProvider p = provider(true,
+            new FurnidataEntry(1, "chair_norja", FurnitureType.FLOOR, "Norja Chair", "Sit"));
+        assertEquals("Norja Chair", p.getName("chair_norja"));
+    }
+
+    @Test
+    void matchesBaseClassnameIgnoringColourVariantAndCase() {
+        FurnitureTextProvider p = provider(true,
+            new FurnidataEntry(1, "chair_norja*2", FurnitureType.FLOOR, "Norja Chair", "Sit"));
+        assertEquals("Norja Chair", p.getName("CHAIR_NORJA"));
+    }
+
+    @Test
+    void returnsNullWhenClassnameMissing() {
+        FurnitureTextProvider p = provider(true);
+        assertNull(p.getName("unknown_thing"));
+    }
+
+    @Test
+    void returnsNullWhenDisabled() {
+        FurnitureTextProvider p = provider(false,
+            new FurnidataEntry(1, "chair_norja", FurnitureType.FLOOR, "Norja Chair", "Sit"));
+        assertNull(p.getName("chair_norja"));
+    }
+
+    @Test
+    void sanitizesNameCapStripControlAndNeutralizesPercent() {
+        String evil = "Bad\nName %limit% %user.name%".repeat(20);
+        FurnitureTextProvider p = provider(true,
+            new FurnidataEntry(1, "x", FurnitureType.FLOOR, evil, ""));
+        String name = p.getName("x");
+        assertEquals(256, name.length(), "input far exceeds the cap, so it must be exactly 256");
+        assertFalse(name.chars().anyMatch(Character::isISOControl), "no control chars remain after sanitize");
+        assertFalse(name.contains("%"), "ASCII percent neutralized");
+    }
+
+    @Test
+    void nullProviderNameNeverThrows() {
+        FurnitureTextProvider p = provider(true);
+        assertDoesNotThrow(() -> p.getName(null));
+        assertNull(p.getName(null));
+    }
+}

Emulator/src/test/java/com/eu/habbo/messages/incoming/furnieditor/FurniDataManagerTest.java

@@ -0,0 +1,81 @@
+package com.eu.habbo.messages.incoming.furnieditor;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import com.eu.habbo.habbohotel.items.FurnidataSourceResolver;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FurniDataManagerTest {
+
+    @Test
+    void findsItemByClassnameBeforeDbId(@TempDir Path dir) throws Exception {
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, """
+            {
+              "roomitemtypes": { "furnitype": [
+                { "id": 9999, "classname": "throne", "name": "Throne", "description": "Royal seat" }
+              ]},
+              "wallitemtypes": { "furnitype": [] }
+            }
+            """);
+
+        String json = FurniDataManager.findItemJson(file, false, 230, "throne");
+
+        assertNotEquals("{}", json);
+        assertTrue(json.contains("\"classname\":\"throne\""));
+        assertTrue(json.contains("\"id\":9999"));
+    }
+
+    @Test
+    void fallsBackToItemIdWhenClassnameIsMissing(@TempDir Path dir) throws Exception {
+        Path file = dir.resolve("FurnitureData.json");
+        Files.writeString(file, """
+            {
+              "roomitemtypes": { "furnitype": [
+                { "id": 230, "classname": "db_only_match", "name": "DB ID Match", "description": "" }
+              ]},
+              "wallitemtypes": { "furnitype": [] }
+            }
+            """);
+
+        String json = FurniDataManager.findItemJson(file, false, 230, "missing_classname");
+
+        assertNotEquals("{}", json);
+        assertTrue(json.contains("\"classname\":\"db_only_match\""));
+    }
+
+    @Test
+    void expandsRendererConfigPlaceholders() {
+        JsonObject config = JsonParser.parseString("""
+            {
+              "gamedata.url": "http://localhost:5173/nitro-assets/gamedata",
+              "furnidata.url": "${gamedata.url}/FurnitureData.json?t=${timestamp}"
+            }
+            """).getAsJsonObject();
+
+        String url = FurnidataSourceResolver.expandRendererUrl(config, "furnidata.url");
+
+        assertEquals("http://localhost:5173/nitro-assets/gamedata/FurnitureData.json?t=${timestamp}", url);
+    }
+
+    @Test
+    void mapsRendererUrlRelativeToAssetBase(@TempDir Path dir) {
+        Path assetBase = dir.resolve("nitro-assets");
+
+        FurnidataSourceResolver.Source source = FurnidataSourceResolver.toLocalSource(
+            assetBase,
+            "http://localhost:5173/nitro-assets/gamedata/FurnitureData.json?t=123"
+        );
+
+        assertNotNull(source);
+        assertEquals(assetBase.resolve("gamedata").resolve("FurnitureData.json"), source.path());
+        assertFalse(source.directory());
+    }
+}