Imrpove chat with gifs, videos, music player, redesigns and improved filesharing errors

.gitignore

@@ -2,6 +2,7 @@
 
 # Compiled output
 /dist
+/server/dist/
 /tmp
 /out-tsc
 /bazel-out
@@ -49,3 +50,4 @@ Thumbs.db
 # Environment & certs
 .env
 .certs/
+/server/data/variables.json

electron/cqrs/commands/handlers/deleteRoom.ts

@@ -4,6 +4,7 @@ import { DeleteRoomCommand } from '../../types';
 
 export async function handleDeleteRoom(command: DeleteRoomCommand, dataSource: DataSource): Promise<void> {
   const { roomId } = command.payload;
+
   await dataSource.getRepository(RoomEntity).delete({ id: roomId });
   await dataSource.getRepository(MessageEntity).delete({ roomId });
 }

electron/cqrs/commands/handlers/saveMessage.ts

@@ -5,7 +5,6 @@ import { SaveMessageCommand } from '../../types';
 export async function handleSaveMessage(command: SaveMessageCommand, dataSource: DataSource): Promise<void> {
   const repo = dataSource.getRepository(MessageEntity);
   const { message } = command.payload;
-
   const entity = repo.create({
     id: message.id,
     roomId: message.roomId,
@@ -17,7 +16,7 @@ export async function handleSaveMessage(command: SaveMessageCommand, dataSource:
     editedAt: message.editedAt ?? null,
     reactions: JSON.stringify(message.reactions ?? []),
     isDeleted: message.isDeleted ? 1 : 0,
-    replyToId: message.replyToId ?? null,
+    replyToId: message.replyToId ?? null
   });
 
   await repo.save(entity);

electron/data-source.ts

@@ -34,7 +34,15 @@ if (fs.existsSync(projectRootDatabaseFilePath)) {
 export const AppDataSource = new DataSource({
   type: 'sqljs',
   database: databaseFileBuffer,
-  entities: [MessageEntity, UserEntity, RoomEntity, ReactionEntity, BanEntity, AttachmentEntity, MetaEntity],
+  entities: [
+    MessageEntity,
+    UserEntity,
+    RoomEntity,
+    ReactionEntity,
+    BanEntity,
+    AttachmentEntity,
+    MetaEntity
+  ],
   migrations: [path.join(__dirname, 'migrations', '*.{ts,js}')],
   synchronize: false,
   logging: false,

electron/db/database.ts

@@ -36,11 +36,16 @@ export async function initializeDatabase(): Promise<void> {
   applicationDataSource = new DataSource({
     type: 'sqljs',
     database,
-    entities: [MessageEntity, UserEntity, RoomEntity, ReactionEntity, BanEntity, AttachmentEntity, MetaEntity],
-    migrations: [
-      path.join(__dirname, '..', 'migrations', '*.js'),
-      path.join(__dirname, '..', 'migrations', '*.ts')
+    entities: [
+      MessageEntity,
+      UserEntity,
+      RoomEntity,
+      ReactionEntity,
+      BanEntity,
+      AttachmentEntity,
+      MetaEntity
     ],
+    migrations: [path.join(__dirname, '..', 'migrations', '*.js'), path.join(__dirname, '..', 'migrations', '*.ts')],
     synchronize: false,
     logging: false,
     autoSave: true,

electron/entities/MetaEntity.ts

@@ -1,4 +1,8 @@
-import { Entity, PrimaryColumn, Column } from 'typeorm';
+import {
+  Entity,
+  PrimaryColumn,
+  Column
+} from 'typeorm';
 
 @Entity('meta')
 export class MetaEntity {

electron/entities/ReactionEntity.ts

@@ -1,4 +1,8 @@
-import { Entity, PrimaryColumn, Column } from 'typeorm';
+import {
+  Entity,
+  PrimaryColumn,
+  Column
+} from 'typeorm';
 
 @Entity('reactions')
 export class ReactionEntity {

electron/ipc/system.ts

@@ -1,6 +1,7 @@
 import {
   app,
   desktopCapturer,
+  dialog,
   ipcMain,
   shell
 } from 'electron';
@@ -54,6 +55,24 @@ export function setupSystemHandlers(): void {
     return true;
   });
 
+  ipcMain.handle('save-file-as', async (_event, defaultFileName: string, base64Data: string) => {
+    const result = await dialog.showSaveDialog({
+      defaultPath: defaultFileName
+    });
+
+    if (result.canceled || !result.filePath) {
+      return { saved: false,
+        cancelled: true };
+    }
+
+    const buffer = Buffer.from(base64Data, 'base64');
+
+    await fsp.writeFile(result.filePath, buffer);
+
+    return { saved: true,
+      cancelled: false };
+  });
+
   ipcMain.handle('ensure-dir', async (_event, dirPath: string) => {
     await fsp.mkdir(dirPath, { recursive: true });
     return true;

electron/preload.ts

@@ -13,6 +13,7 @@ export interface ElectronAPI {
   getAppDataPath: () => Promise<string>;
   readFile: (filePath: string) => Promise<string>;
   writeFile: (filePath: string, data: string) => Promise<boolean>;
+  saveFileAs: (defaultFileName: string, data: string) => Promise<{ saved: boolean; cancelled: boolean }>;
   fileExists: (filePath: string) => Promise<boolean>;
   ensureDir: (dirPath: string) => Promise<boolean>;
 
@@ -31,6 +32,7 @@ const electronAPI: ElectronAPI = {
   getAppDataPath: () => ipcRenderer.invoke('get-app-data-path'),
   readFile: (filePath) => ipcRenderer.invoke('read-file', filePath),
   writeFile: (filePath, data) => ipcRenderer.invoke('write-file', filePath, data),
+  saveFileAs: (defaultFileName, data) => ipcRenderer.invoke('save-file-as', defaultFileName, data),
   fileExists: (filePath) => ipcRenderer.invoke('file-exists', filePath),
   ensureDir: (dirPath) => ipcRenderer.invoke('ensure-dir', dirPath),
 

eslint.config.js

@@ -43,7 +43,7 @@ const noDashPlugin = {
 
 module.exports = tseslint.config(
   {
-    ignores: ['**/generated/*','dist/**', '**/migrations/**', 'release/**']
+    ignores: ['**/.angular/**', '**/generated/*', '**/dist/**', '**/migrations/**', 'release/**']
   },
   {
     files: ['**/*.ts'],

package.json

@@ -72,7 +72,8 @@
     "sql.js": "^1.13.0",
     "tslib": "^2.3.0",
     "typeorm": "^0.3.28",
-    "uuid": "^13.0.0"
+    "uuid": "^13.0.0",
+    "wavesurfer.js": "^7.12.1"
   },
   "devDependencies": {
     "@angular/build": "^21.0.4",

server/dist/db.d.ts

@@ -1,43 +0,0 @@
-export declare function initDB(): Promise<void>;
-export interface AuthUser {
-  id: string;
-  username: string;
-  passwordHash: string;
-  displayName: string;
-  createdAt: number;
-}
-export declare function getUserByUsername(username: string): Promise<AuthUser | null>;
-export declare function getUserById(id: string): Promise<AuthUser | null>;
-export declare function createUser(user: AuthUser): Promise<void>;
-export interface ServerInfo {
-  id: string;
-  name: string;
-  description?: string;
-  ownerId: string;
-  ownerPublicKey: string;
-  isPrivate: boolean;
-  maxUsers: number;
-  currentUsers: number;
-  tags: string[];
-  createdAt: number;
-  lastSeen: number;
-}
-export declare function getAllPublicServers(): Promise<ServerInfo[]>;
-export declare function getServerById(id: string): Promise<ServerInfo | null>;
-export declare function upsertServer(server: ServerInfo): Promise<void>;
-export declare function deleteServer(id: string): Promise<void>;
-export interface JoinRequest {
-  id: string;
-  serverId: string;
-  userId: string;
-  userPublicKey: string;
-  displayName: string;
-  status: 'pending' | 'approved' | 'rejected';
-  createdAt: number;
-}
-export declare function createJoinRequest(req: JoinRequest): Promise<void>;
-export declare function getJoinRequestById(id: string): Promise<JoinRequest | null>;
-export declare function getPendingRequestsForServer(serverId: string): Promise<JoinRequest[]>;
-export declare function updateJoinRequestStatus(id: string, status: JoinRequest['status']): Promise<void>;
-export declare function deleteStaleJoinRequests(maxAgeMs: number): Promise<void>;
-// # sourceMappingURL=db.d.ts.map

server/dist/db.d.ts.map

@@ -1 +0,0 @@
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server/dist/db.js

@@ -1,277 +0,0 @@
-"use strict";
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.initDB = initDB;
-exports.getUserByUsername = getUserByUsername;
-exports.getUserById = getUserById;
-exports.createUser = createUser;
-exports.getAllPublicServers = getAllPublicServers;
-exports.getServerById = getServerById;
-exports.upsertServer = upsertServer;
-exports.deleteServer = deleteServer;
-exports.createJoinRequest = createJoinRequest;
-exports.getJoinRequestById = getJoinRequestById;
-exports.getPendingRequestsForServer = getPendingRequestsForServer;
-exports.updateJoinRequestStatus = updateJoinRequestStatus;
-exports.deleteStaleJoinRequests = deleteStaleJoinRequests;
-const fs_1 = __importDefault(require("fs"));
-const path_1 = __importDefault(require("path"));
-const sql_js_1 = __importDefault(require("sql.js"));
-// Simple SQLite via sql.js persisted to a single file
-const DATA_DIR = path_1.default.join(process.cwd(), 'data');
-const DB_FILE = path_1.default.join(DATA_DIR, 'metoyou.sqlite');
-function ensureDataDir() {
-    if (!fs_1.default.existsSync(DATA_DIR))
-        fs_1.default.mkdirSync(DATA_DIR, { recursive: true });
-}
-let SQL = null;
-let db = null;
-async function initDB() {
-    if (db)
-        return;
-    SQL = await (0, sql_js_1.default)({ locateFile: (file) => require.resolve('sql.js/dist/sql-wasm.wasm') });
-    ensureDataDir();
-    if (fs_1.default.existsSync(DB_FILE)) {
-        const fileBuffer = fs_1.default.readFileSync(DB_FILE);
-        db = new SQL.Database(new Uint8Array(fileBuffer));
-    }
-    else {
-        db = new SQL.Database();
-    }
-    // Initialize schema
-    db.run(`
-    CREATE TABLE IF NOT EXISTS users (
-      id TEXT PRIMARY KEY,
-      username TEXT UNIQUE NOT NULL,
-      passwordHash TEXT NOT NULL,
-      displayName TEXT NOT NULL,
-      createdAt INTEGER NOT NULL
-    );
-  `);
-    db.run(`
-    CREATE TABLE IF NOT EXISTS servers (
-      id TEXT PRIMARY KEY,
-      name TEXT NOT NULL,
-      description TEXT,
-      ownerId TEXT NOT NULL,
-      ownerPublicKey TEXT NOT NULL,
-      isPrivate INTEGER NOT NULL DEFAULT 0,
-      maxUsers INTEGER NOT NULL DEFAULT 0,
-      currentUsers INTEGER NOT NULL DEFAULT 0,
-      tags TEXT NOT NULL DEFAULT '[]',
-      createdAt INTEGER NOT NULL,
-      lastSeen INTEGER NOT NULL
-    );
-  `);
-    db.run(`
-    CREATE TABLE IF NOT EXISTS join_requests (
-      id TEXT PRIMARY KEY,
-      serverId TEXT NOT NULL,
-      userId TEXT NOT NULL,
-      userPublicKey TEXT NOT NULL,
-      displayName TEXT NOT NULL,
-      status TEXT NOT NULL DEFAULT 'pending',
-      createdAt INTEGER NOT NULL
-    );
-  `);
-    persist();
-}
-function persist() {
-    if (!db)
-        return;
-    const data = db.export();
-    const buffer = Buffer.from(data);
-    fs_1.default.writeFileSync(DB_FILE, buffer);
-}
-async function getUserByUsername(username) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('SELECT id, username, passwordHash, displayName, createdAt FROM users WHERE username = ? LIMIT 1');
-    stmt.bind([username]);
-    let row = null;
-    if (stmt.step()) {
-        const r = stmt.getAsObject();
-        row = {
-            id: String(r.id),
-            username: String(r.username),
-            passwordHash: String(r.passwordHash),
-            displayName: String(r.displayName),
-            createdAt: Number(r.createdAt),
-        };
-    }
-    stmt.free();
-    return row;
-}
-async function getUserById(id) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('SELECT id, username, passwordHash, displayName, createdAt FROM users WHERE id = ? LIMIT 1');
-    stmt.bind([id]);
-    let row = null;
-    if (stmt.step()) {
-        const r = stmt.getAsObject();
-        row = {
-            id: String(r.id),
-            username: String(r.username),
-            passwordHash: String(r.passwordHash),
-            displayName: String(r.displayName),
-            createdAt: Number(r.createdAt),
-        };
-    }
-    stmt.free();
-    return row;
-}
-async function createUser(user) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('INSERT INTO users (id, username, passwordHash, displayName, createdAt) VALUES (?, ?, ?, ?, ?)');
-    stmt.bind([user.id, user.username, user.passwordHash, user.displayName, user.createdAt]);
-    stmt.step();
-    stmt.free();
-    persist();
-}
-function rowToServer(r) {
-    return {
-        id: String(r.id),
-        name: String(r.name),
-        description: r.description ? String(r.description) : undefined,
-        ownerId: String(r.ownerId),
-        ownerPublicKey: String(r.ownerPublicKey),
-        isPrivate: !!r.isPrivate,
-        maxUsers: Number(r.maxUsers),
-        currentUsers: Number(r.currentUsers),
-        tags: JSON.parse(String(r.tags || '[]')),
-        createdAt: Number(r.createdAt),
-        lastSeen: Number(r.lastSeen),
-    };
-}
-async function getAllPublicServers() {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('SELECT * FROM servers WHERE isPrivate = 0');
-    const results = [];
-    while (stmt.step()) {
-        results.push(rowToServer(stmt.getAsObject()));
-    }
-    stmt.free();
-    return results;
-}
-async function getServerById(id) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('SELECT * FROM servers WHERE id = ? LIMIT 1');
-    stmt.bind([id]);
-    let row = null;
-    if (stmt.step()) {
-        row = rowToServer(stmt.getAsObject());
-    }
-    stmt.free();
-    return row;
-}
-async function upsertServer(server) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare(`
-    INSERT OR REPLACE INTO servers (id, name, description, ownerId, ownerPublicKey, isPrivate, maxUsers, currentUsers, tags, createdAt, lastSeen)
-    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-  `);
-    stmt.bind([
-        server.id,
-        server.name,
-        server.description ?? null,
-        server.ownerId,
-        server.ownerPublicKey,
-        server.isPrivate ? 1 : 0,
-        server.maxUsers,
-        server.currentUsers,
-        JSON.stringify(server.tags),
-        server.createdAt,
-        server.lastSeen,
-    ]);
-    stmt.step();
-    stmt.free();
-    persist();
-}
-async function deleteServer(id) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('DELETE FROM servers WHERE id = ?');
-    stmt.bind([id]);
-    stmt.step();
-    stmt.free();
-    // Also clean up related join requests
-    const jStmt = db.prepare('DELETE FROM join_requests WHERE serverId = ?');
-    jStmt.bind([id]);
-    jStmt.step();
-    jStmt.free();
-    persist();
-}
-function rowToJoinRequest(r) {
-    return {
-        id: String(r.id),
-        serverId: String(r.serverId),
-        userId: String(r.userId),
-        userPublicKey: String(r.userPublicKey),
-        displayName: String(r.displayName),
-        status: String(r.status),
-        createdAt: Number(r.createdAt),
-    };
-}
-async function createJoinRequest(req) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare(`
-    INSERT INTO join_requests (id, serverId, userId, userPublicKey, displayName, status, createdAt)
-    VALUES (?, ?, ?, ?, ?, ?, ?)
-  `);
-    stmt.bind([req.id, req.serverId, req.userId, req.userPublicKey, req.displayName, req.status, req.createdAt]);
-    stmt.step();
-    stmt.free();
-    persist();
-}
-async function getJoinRequestById(id) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('SELECT * FROM join_requests WHERE id = ? LIMIT 1');
-    stmt.bind([id]);
-    let row = null;
-    if (stmt.step()) {
-        row = rowToJoinRequest(stmt.getAsObject());
-    }
-    stmt.free();
-    return row;
-}
-async function getPendingRequestsForServer(serverId) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('SELECT * FROM join_requests WHERE serverId = ? AND status = ?');
-    stmt.bind([serverId, 'pending']);
-    const results = [];
-    while (stmt.step()) {
-        results.push(rowToJoinRequest(stmt.getAsObject()));
-    }
-    stmt.free();
-    return results;
-}
-async function updateJoinRequestStatus(id, status) {
-    if (!db)
-        await initDB();
-    const stmt = db.prepare('UPDATE join_requests SET status = ? WHERE id = ?');
-    stmt.bind([status, id]);
-    stmt.step();
-    stmt.free();
-    persist();
-}
-async function deleteStaleJoinRequests(maxAgeMs) {
-    if (!db)
-        await initDB();
-    const cutoff = Date.now() - maxAgeMs;
-    const stmt = db.prepare('DELETE FROM join_requests WHERE createdAt < ?');
-    stmt.bind([cutoff]);
-    stmt.step();
-    stmt.free();
-    persist();
-}
-//# sourceMappingURL=db.js.map

server/dist/index.d.ts

@@ -1,2 +0,0 @@
-export {};
-// # sourceMappingURL=index.d.ts.map

server/dist/index.d.ts.map

@@ -1 +0,0 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":""}

server/dist/index.js

@@ -1,438 +0,0 @@
-"use strict";
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-const express_1 = __importDefault(require("express"));
-const cors_1 = __importDefault(require("cors"));
-const http_1 = require("http");
-const ws_1 = require("ws");
-const uuid_1 = require("uuid");
-const app = (0, express_1.default)();
-const PORT = process.env.PORT || 3001;
-app.use((0, cors_1.default)());
-app.use(express_1.default.json());
-const connectedUsers = new Map();
-// Database
-const crypto_1 = __importDefault(require("crypto"));
-const db_1 = require("./db");
-function hashPassword(pw) { return crypto_1.default.createHash('sha256').update(pw).digest('hex'); }
-// REST API Routes
-// Health check endpoint
-app.get('/api/health', async (req, res) => {
-    const allServers = await (0, db_1.getAllPublicServers)();
-    res.json({
-        status: 'ok',
-        timestamp: Date.now(),
-        serverCount: allServers.length,
-        connectedUsers: connectedUsers.size,
-    });
-});
-// Time endpoint for clock synchronization
-app.get('/api/time', (req, res) => {
-    res.json({ now: Date.now() });
-});
-// Image proxy to allow rendering external images within CSP (img-src 'self' data: blob:)
-app.get('/api/image-proxy', async (req, res) => {
-    try {
-        const url = String(req.query.url || '');
-        if (!/^https?:\/\//i.test(url)) {
-            return res.status(400).json({ error: 'Invalid URL' });
-        }
-        const controller = new AbortController();
-        const timeout = setTimeout(() => controller.abort(), 8000);
-        const response = await fetch(url, { redirect: 'follow', signal: controller.signal });
-        clearTimeout(timeout);
-        if (!response.ok) {
-            return res.status(response.status).end();
-        }
-        const contentType = response.headers.get('content-type') || '';
-        if (!contentType.toLowerCase().startsWith('image/')) {
-            return res.status(415).json({ error: 'Unsupported content type' });
-        }
-        const arrayBuffer = await response.arrayBuffer();
-        const MAX_BYTES = 8 * 1024 * 1024; // 8MB limit
-        if (arrayBuffer.byteLength > MAX_BYTES) {
-            return res.status(413).json({ error: 'Image too large' });
-        }
-        res.setHeader('Content-Type', contentType);
-        res.setHeader('Cache-Control', 'public, max-age=3600');
-        res.send(Buffer.from(arrayBuffer));
-    }
-    catch (err) {
-        if (err?.name === 'AbortError') {
-            return res.status(504).json({ error: 'Timeout fetching image' });
-        }
-        console.error('Image proxy error:', err);
-        res.status(502).json({ error: 'Failed to fetch image' });
-    }
-});
-// Auth
-app.post('/api/users/register', async (req, res) => {
-    const { username, password, displayName } = req.body;
-    if (!username || !password)
-        return res.status(400).json({ error: 'Missing username/password' });
-    const exists = await (0, db_1.getUserByUsername)(username);
-    if (exists)
-        return res.status(409).json({ error: 'Username taken' });
-    const user = { id: (0, uuid_1.v4)(), username, passwordHash: hashPassword(password), displayName: displayName || username, createdAt: Date.now() };
-    await (0, db_1.createUser)(user);
-    res.status(201).json({ id: user.id, username: user.username, displayName: user.displayName });
-});
-app.post('/api/users/login', async (req, res) => {
-    const { username, password } = req.body;
-    const user = await (0, db_1.getUserByUsername)(username);
-    if (!user || user.passwordHash !== hashPassword(password))
-        return res.status(401).json({ error: 'Invalid credentials' });
-    res.json({ id: user.id, username: user.username, displayName: user.displayName });
-});
-// Search servers
-app.get('/api/servers', async (req, res) => {
-    const { q, tags, limit = 20, offset = 0 } = req.query;
-    let results = await (0, db_1.getAllPublicServers)();
-    results = results
-        .filter(s => {
-        if (q) {
-            const query = String(q).toLowerCase();
-            return s.name.toLowerCase().includes(query) ||
-                s.description?.toLowerCase().includes(query);
-        }
-        return true;
-    })
-        .filter(s => {
-        if (tags) {
-            const tagList = String(tags).split(',');
-            return tagList.some(t => s.tags.includes(t));
-        }
-        return true;
-    });
-    const total = results.length;
-    results = results.slice(Number(offset), Number(offset) + Number(limit));
-    res.json({ servers: results, total, limit: Number(limit), offset: Number(offset) });
-});
-// Register a server
-app.post('/api/servers', async (req, res) => {
-    const { id: clientId, name, description, ownerId, ownerPublicKey, isPrivate, maxUsers, tags } = req.body;
-    if (!name || !ownerId || !ownerPublicKey) {
-        return res.status(400).json({ error: 'Missing required fields' });
-    }
-    const id = clientId || (0, uuid_1.v4)();
-    const server = {
-        id,
-        name,
-        description,
-        ownerId,
-        ownerPublicKey,
-        isPrivate: isPrivate ?? false,
-        maxUsers: maxUsers ?? 0,
-        currentUsers: 0,
-        tags: tags ?? [],
-        createdAt: Date.now(),
-        lastSeen: Date.now(),
-    };
-    await (0, db_1.upsertServer)(server);
-    res.status(201).json(server);
-});
-// Update server
-app.put('/api/servers/:id', async (req, res) => {
-    const { id } = req.params;
-    const { ownerId, ...updates } = req.body;
-    const server = await (0, db_1.getServerById)(id);
-    if (!server) {
-        return res.status(404).json({ error: 'Server not found' });
-    }
-    if (server.ownerId !== ownerId) {
-        return res.status(403).json({ error: 'Not authorized' });
-    }
-    const updated = { ...server, ...updates, lastSeen: Date.now() };
-    await (0, db_1.upsertServer)(updated);
-    res.json(updated);
-});
-// Heartbeat - keep server alive
-app.post('/api/servers/:id/heartbeat', async (req, res) => {
-    const { id } = req.params;
-    const { currentUsers } = req.body;
-    const server = await (0, db_1.getServerById)(id);
-    if (!server) {
-        return res.status(404).json({ error: 'Server not found' });
-    }
-    server.lastSeen = Date.now();
-    if (typeof currentUsers === 'number') {
-        server.currentUsers = currentUsers;
-    }
-    await (0, db_1.upsertServer)(server);
-    res.json({ ok: true });
-});
-// Remove server
-app.delete('/api/servers/:id', async (req, res) => {
-    const { id } = req.params;
-    const { ownerId } = req.body;
-    const server = await (0, db_1.getServerById)(id);
-    if (!server) {
-        return res.status(404).json({ error: 'Server not found' });
-    }
-    if (server.ownerId !== ownerId) {
-        return res.status(403).json({ error: 'Not authorized' });
-    }
-    await (0, db_1.deleteServer)(id);
-    res.json({ ok: true });
-});
-// Request to join a server
-app.post('/api/servers/:id/join', async (req, res) => {
-    const { id: serverId } = req.params;
-    const { userId, userPublicKey, displayName } = req.body;
-    const server = await (0, db_1.getServerById)(serverId);
-    if (!server) {
-        return res.status(404).json({ error: 'Server not found' });
-    }
-    const requestId = (0, uuid_1.v4)();
-    const request = {
-        id: requestId,
-        serverId,
-        userId,
-        userPublicKey,
-        displayName,
-        status: server.isPrivate ? 'pending' : 'approved',
-        createdAt: Date.now(),
-    };
-    await (0, db_1.createJoinRequest)(request);
-    // Notify server owner via WebSocket
-    if (server.isPrivate) {
-        notifyServerOwner(server.ownerId, {
-            type: 'join_request',
-            request,
-        });
-    }
-    res.status(201).json(request);
-});
-// Get join requests for a server
-app.get('/api/servers/:id/requests', async (req, res) => {
-    const { id: serverId } = req.params;
-    const { ownerId } = req.query;
-    const server = await (0, db_1.getServerById)(serverId);
-    if (!server) {
-        return res.status(404).json({ error: 'Server not found' });
-    }
-    if (server.ownerId !== ownerId) {
-        return res.status(403).json({ error: 'Not authorized' });
-    }
-    const requests = await (0, db_1.getPendingRequestsForServer)(serverId);
-    res.json({ requests });
-});
-// Approve/reject join request
-app.put('/api/requests/:id', async (req, res) => {
-    const { id } = req.params;
-    const { ownerId, status } = req.body;
-    const request = await (0, db_1.getJoinRequestById)(id);
-    if (!request) {
-        return res.status(404).json({ error: 'Request not found' });
-    }
-    const server = await (0, db_1.getServerById)(request.serverId);
-    if (!server || server.ownerId !== ownerId) {
-        return res.status(403).json({ error: 'Not authorized' });
-    }
-    await (0, db_1.updateJoinRequestStatus)(id, status);
-    const updated = { ...request, status };
-    // Notify the requester
-    notifyUser(request.userId, {
-        type: 'request_update',
-        request: updated,
-    });
-    res.json(updated);
-});
-// WebSocket Server for real-time signaling
-const server = (0, http_1.createServer)(app);
-const wss = new ws_1.WebSocketServer({ server });
-wss.on('connection', (ws) => {
-    const connectionId = (0, uuid_1.v4)();
-    connectedUsers.set(connectionId, { oderId: connectionId, ws, serverIds: new Set() });
-    ws.on('message', (data) => {
-        try {
-            const message = JSON.parse(data.toString());
-            handleWebSocketMessage(connectionId, message);
-        }
-        catch (err) {
-            console.error('Invalid WebSocket message:', err);
-        }
-    });
-    ws.on('close', () => {
-        const user = connectedUsers.get(connectionId);
-        if (user) {
-            // Notify all servers the user was a member of
-            user.serverIds.forEach((sid) => {
-                broadcastToServer(sid, {
-                    type: 'user_left',
-                    oderId: user.oderId,
-                    displayName: user.displayName,
-                    serverId: sid,
-                }, user.oderId);
-            });
-        }
-        connectedUsers.delete(connectionId);
-    });
-    // Send connection acknowledgment with the connectionId (client will identify with their actual oderId)
-    ws.send(JSON.stringify({ type: 'connected', connectionId, serverTime: Date.now() }));
-});
-function handleWebSocketMessage(connectionId, message) {
-    const user = connectedUsers.get(connectionId);
-    if (!user)
-        return;
-    switch (message.type) {
-        case 'identify':
-            // User identifies themselves with their permanent ID
-            // Store their actual oderId for peer-to-peer routing
-            user.oderId = message.oderId || connectionId;
-            user.displayName = message.displayName || 'Anonymous';
-            connectedUsers.set(connectionId, user);
-            console.log(`User identified: ${user.displayName} (${user.oderId})`);
-            break;
-        case 'join_server': {
-            const sid = message.serverId;
-            const isNew = !user.serverIds.has(sid);
-            user.serverIds.add(sid);
-            user.viewedServerId = sid;
-            connectedUsers.set(connectionId, user);
-            console.log(`User ${user.displayName || 'Anonymous'} (${user.oderId}) joined server ${sid} (new=${isNew})`);
-            // Always send the current user list for this server
-            const usersInServer = Array.from(connectedUsers.values())
-                .filter(u => u.serverIds.has(sid) && u.oderId !== user.oderId && u.displayName)
-                .map(u => ({ oderId: u.oderId, displayName: u.displayName || 'Anonymous' }));
-            console.log(`Sending server_users to ${user.displayName || 'Anonymous'}:`, usersInServer);
-            user.ws.send(JSON.stringify({
-                type: 'server_users',
-                serverId: sid,
-                users: usersInServer,
-            }));
-            // Only broadcast user_joined if this is a brand-new join (not a re-view)
-            if (isNew) {
-                broadcastToServer(sid, {
-                    type: 'user_joined',
-                    oderId: user.oderId,
-                    displayName: user.displayName || 'Anonymous',
-                    serverId: sid,
-                }, user.oderId);
-            }
-            break;
-        }
-        case 'view_server': {
-            // Just switch the viewed server without joining/leaving
-            const viewSid = message.serverId;
-            user.viewedServerId = viewSid;
-            connectedUsers.set(connectionId, user);
-            console.log(`User ${user.displayName || 'Anonymous'} (${user.oderId}) viewing server ${viewSid}`);
-            // Send current user list for the viewed server
-            const viewUsers = Array.from(connectedUsers.values())
-                .filter(u => u.serverIds.has(viewSid) && u.oderId !== user.oderId && u.displayName)
-                .map(u => ({ oderId: u.oderId, displayName: u.displayName || 'Anonymous' }));
-            user.ws.send(JSON.stringify({
-                type: 'server_users',
-                serverId: viewSid,
-                users: viewUsers,
-            }));
-            break;
-        }
-        case 'leave_server': {
-            const leaveSid = message.serverId || user.viewedServerId;
-            if (leaveSid) {
-                user.serverIds.delete(leaveSid);
-                if (user.viewedServerId === leaveSid) {
-                    user.viewedServerId = undefined;
-                }
-                connectedUsers.set(connectionId, user);
-                broadcastToServer(leaveSid, {
-                    type: 'user_left',
-                    oderId: user.oderId,
-                    displayName: user.displayName || 'Anonymous',
-                    serverId: leaveSid,
-                }, user.oderId);
-            }
-            break;
-        }
-        case 'offer':
-        case 'answer':
-        case 'ice_candidate':
-            // Forward signaling messages to specific peer
-            console.log(`Forwarding ${message.type} from ${user.oderId} to ${message.targetUserId}`);
-            const targetUser = findUserByUserId(message.targetUserId);
-            if (targetUser) {
-                targetUser.ws.send(JSON.stringify({
-                    ...message,
-                    fromUserId: user.oderId,
-                }));
-                console.log(`Successfully forwarded ${message.type} to ${message.targetUserId}`);
-            }
-            else {
-                console.log(`Target user ${message.targetUserId} not found. Connected users:`, Array.from(connectedUsers.values()).map(u => ({ oderId: u.oderId, displayName: u.displayName })));
-            }
-            break;
-        case 'chat_message': {
-            // Broadcast chat message to all users in the server
-            const chatSid = message.serverId || user.viewedServerId;
-            if (chatSid && user.serverIds.has(chatSid)) {
-                broadcastToServer(chatSid, {
-                    type: 'chat_message',
-                    serverId: chatSid,
-                    message: message.message,
-                    senderId: user.oderId,
-                    senderName: user.displayName,
-                    timestamp: Date.now(),
-                });
-            }
-            break;
-        }
-        case 'typing': {
-            // Broadcast typing indicator
-            const typingSid = message.serverId || user.viewedServerId;
-            if (typingSid && user.serverIds.has(typingSid)) {
-                broadcastToServer(typingSid, {
-                    type: 'user_typing',
-                    serverId: typingSid,
-                    oderId: user.oderId,
-                    displayName: user.displayName,
-                }, user.oderId);
-            }
-            break;
-        }
-        default:
-            console.log('Unknown message type:', message.type);
-    }
-}
-function broadcastToServer(serverId, message, excludeOderId) {
-    console.log(`Broadcasting to server ${serverId}, excluding ${excludeOderId}:`, message.type);
-    connectedUsers.forEach((user) => {
-        if (user.serverIds.has(serverId) && user.oderId !== excludeOderId) {
-            console.log(`  -> Sending to ${user.displayName} (${user.oderId})`);
-            user.ws.send(JSON.stringify(message));
-        }
-    });
-}
-function notifyServerOwner(ownerId, message) {
-    const owner = findUserByUserId(ownerId);
-    if (owner) {
-        owner.ws.send(JSON.stringify(message));
-    }
-}
-function notifyUser(oderId, message) {
-    const user = findUserByUserId(oderId);
-    if (user) {
-        user.ws.send(JSON.stringify(message));
-    }
-}
-function findUserByUserId(oderId) {
-    return Array.from(connectedUsers.values()).find(u => u.oderId === oderId);
-}
-// Cleanup stale join requests periodically (older than 24 h)
-setInterval(() => {
-    (0, db_1.deleteStaleJoinRequests)(24 * 60 * 60 * 1000).catch(err => console.error('Failed to clean up stale join requests:', err));
-}, 60 * 1000);
-(0, db_1.initDB)().then(() => {
-    server.listen(PORT, () => {
-        console.log(`🚀 MetoYou signaling server running on port ${PORT}`);
-        console.log(`   REST API: http://localhost:${PORT}/api`);
-        console.log(`   WebSocket: ws://localhost:${PORT}`);
-    });
-}).catch((err) => {
-    console.error('Failed to initialize database:', err);
-    process.exit(1);
-});
-//# sourceMappingURL=index.js.map

server/src/config/variables.ts

@@ -0,0 +1,72 @@
+import fs from 'fs';
+import path from 'path';
+
+export interface ServerVariablesConfig {
+  klipyApiKey: string;
+}
+
+const DATA_DIR = path.join(process.cwd(), 'data');
+const VARIABLES_FILE = path.join(DATA_DIR, 'variables.json');
+
+function normalizeKlipyApiKey(value: unknown): string {
+  return typeof value === 'string' ? value.trim() : '';
+}
+
+function readRawVariables(): { rawContents: string; parsed: Record<string, unknown> } {
+  if (!fs.existsSync(VARIABLES_FILE)) {
+    return { rawContents: '', parsed: {} };
+  }
+
+  const rawContents = fs.readFileSync(VARIABLES_FILE, 'utf8');
+
+  if (!rawContents.trim()) {
+    return { rawContents, parsed: {} };
+  }
+
+  try {
+    const parsed = JSON.parse(rawContents) as unknown;
+
+    if (parsed && typeof parsed === 'object' && !Array.isArray(parsed)) {
+      return { rawContents, parsed: parsed as Record<string, unknown> };
+    }
+  } catch (error) {
+    console.warn('[Config] Failed to parse variables.json. Recreating it with defaults.', error);
+  }
+
+  return { rawContents, parsed: {} };
+}
+
+export function getVariablesConfigPath(): string {
+  return VARIABLES_FILE;
+}
+
+export function ensureVariablesConfig(): ServerVariablesConfig {
+  if (!fs.existsSync(DATA_DIR)) {
+    fs.mkdirSync(DATA_DIR, { recursive: true });
+  }
+
+  const { rawContents, parsed } = readRawVariables();
+  const normalized = {
+    ...parsed,
+    klipyApiKey: normalizeKlipyApiKey(parsed.klipyApiKey)
+  };
+  const nextContents = JSON.stringify(normalized, null, 2) + '\n';
+
+  if (!fs.existsSync(VARIABLES_FILE) || rawContents !== nextContents) {
+    fs.writeFileSync(VARIABLES_FILE, nextContents, 'utf8');
+  }
+
+  return { klipyApiKey: normalized.klipyApiKey };
+}
+
+export function getVariablesConfig(): ServerVariablesConfig {
+  return ensureVariablesConfig();
+}
+
+export function getKlipyApiKey(): string {
+  return getVariablesConfig().klipyApiKey;
+}
+
+export function hasKlipyApiKey(): boolean {
+  return getKlipyApiKey().length > 0;
+}

server/src/db/database.ts

@@ -32,11 +32,12 @@ export async function initDatabase(): Promise<void> {
   applicationDataSource = new DataSource({
     type: 'sqljs',
     database,
-    entities: [AuthUserEntity, ServerEntity, JoinRequestEntity],
-    migrations: [
-      path.join(__dirname, '..', 'migrations', '*.js'),
-      path.join(__dirname, '..', 'migrations', '*.ts')
+    entities: [
+      AuthUserEntity,
+      ServerEntity,
+      JoinRequestEntity
     ],
+    migrations: [path.join(__dirname, '..', 'migrations', '*.js'), path.join(__dirname, '..', 'migrations', '*.ts')],
     synchronize: false,
     logging: false,
     autoSave: true,

server/src/index.ts

@@ -11,6 +11,11 @@ dotenv.config({ path: path.resolve(__dirname, '..', '..', '.env') });
 import { initDatabase } from './db';
 import { deleteStaleJoinRequests } from './cqrs';
 import { createApp } from './app';
+import {
+  ensureVariablesConfig,
+  getVariablesConfigPath,
+  hasKlipyApiKey
+} from './config/variables';
 import { setupWebSocket } from './websocket';
 
 const USE_SSL = (process.env.SSL ?? 'false').toLowerCase() === 'true';
@@ -38,6 +43,13 @@ function buildServer(app: ReturnType<typeof createApp>) {
 }
 
 async function bootstrap(): Promise<void> {
+  ensureVariablesConfig();
+  console.log('[Config] Variables loaded from:', getVariablesConfigPath());
+
+  if (!hasKlipyApiKey()) {
+    console.log('[KLIPY] API key not configured. GIF search is disabled.');
+  }
+
   await initDatabase();
 
   const app = createApp();

server/src/routes/index.ts

@@ -1,5 +1,6 @@
 import { Express } from 'express';
 import healthRouter from './health';
+import klipyRouter from './klipy';
 import proxyRouter from './proxy';
 import usersRouter from './users';
 import serversRouter from './servers';
@@ -7,6 +8,7 @@ import joinRequestsRouter from './join-requests';
 
 export function registerRoutes(app: Express): void {
   app.use('/api', healthRouter);
+  app.use('/api', klipyRouter);
   app.use('/api', proxyRouter);
   app.use('/api/users', usersRouter);
   app.use('/api/servers', serversRouter);

server/src/routes/klipy.ts

@@ -0,0 +1,221 @@
+/* eslint-disable complexity, @typescript-eslint/no-explicit-any */
+import { Router } from 'express';
+import { getKlipyApiKey, hasKlipyApiKey } from '../config/variables';
+
+const router = Router();
+const KLIPY_API_BASE_URL = 'https://api.klipy.com/api/v1';
+const REQUEST_TIMEOUT_MS = 8000;
+const DEFAULT_PAGE = 1;
+const DEFAULT_PER_PAGE = 24;
+const MAX_PER_PAGE = 50;
+
+interface NormalizedMediaMeta {
+  url: string;
+  width?: number;
+  height?: number;
+}
+
+interface NormalizedKlipyGif {
+  id: string;
+  slug: string;
+  title?: string;
+  url: string;
+  previewUrl: string;
+  width: number;
+  height: number;
+}
+
+function pickFirst<T>(...values: (T | null | undefined)[]): T | undefined {
+  for (const value of values) {
+    if (value != null)
+      return value;
+  }
+
+  return undefined;
+}
+
+function sanitizeString(value: unknown): string | undefined {
+  if (typeof value !== 'string')
+    return undefined;
+
+  const trimmed = value.trim();
+
+  return trimmed || undefined;
+}
+
+function toPositiveNumber(value: unknown): number | undefined {
+  const parsed = Number(value);
+
+  return Number.isFinite(parsed) && parsed > 0 ? parsed : undefined;
+}
+
+function clampPositiveInt(value: unknown, fallback: number, max = Number.MAX_SAFE_INTEGER): number {
+  const parsed = Number(value);
+
+  if (!Number.isFinite(parsed) || parsed < 1)
+    return fallback;
+
+  return Math.min(Math.floor(parsed), max);
+}
+
+function normalizeMediaMeta(candidate: unknown): NormalizedMediaMeta | null {
+  if (!candidate)
+    return null;
+
+  if (typeof candidate === 'string') {
+    return { url: candidate };
+  }
+
+  if (typeof candidate === 'object' && candidate !== null) {
+    const url = sanitizeString((candidate as { url?: unknown }).url);
+
+    if (!url)
+      return null;
+
+    return {
+      url,
+      width: toPositiveNumber((candidate as { width?: unknown }).width),
+      height: toPositiveNumber((candidate as { height?: unknown }).height)
+    };
+  }
+
+  return null;
+}
+
+function pickGifMeta(sizeVariant: unknown): NormalizedMediaMeta | null {
+  const candidate = sizeVariant as {
+    gif?: unknown;
+    webp?: unknown;
+  } | undefined;
+
+  return normalizeMediaMeta(candidate?.gif) ?? normalizeMediaMeta(candidate?.webp);
+}
+
+function normalizeGifItem(item: any): NormalizedKlipyGif | null {
+  if (!item || typeof item !== 'object' || item.type === 'ad')
+    return null;
+
+  const lowVariant = pickFirst(item.file?.md, item.file?.sm, item.file?.xs, item.file?.hd);
+  const highVariant = pickFirst(item.file?.hd, item.file?.md, item.file?.sm, item.file?.xs);
+  const lowMeta = pickGifMeta(lowVariant);
+  const highMeta = pickGifMeta(highVariant);
+  const selectedMeta = highMeta ?? lowMeta;
+  const slug = sanitizeString(item.slug) ?? sanitizeString(item.id);
+
+  if (!slug || !selectedMeta?.url)
+    return null;
+
+  return {
+    id: slug,
+    slug,
+    title: sanitizeString(item.title),
+    url: selectedMeta.url,
+    previewUrl: lowMeta?.url ?? selectedMeta.url,
+    width: selectedMeta.width ?? lowMeta?.width ?? 0,
+    height: selectedMeta.height ?? lowMeta?.height ?? 0
+  };
+}
+
+function extractErrorMessage(payload: unknown): string | null {
+  if (!payload)
+    return null;
+
+  if (typeof payload === 'string')
+    return payload.slice(0, 240);
+
+  if (typeof payload === 'object' && payload !== null) {
+    const data = payload as { error?: unknown; message?: unknown };
+
+    if (typeof data.error === 'string')
+      return data.error;
+
+    if (typeof data.message === 'string')
+      return data.message;
+  }
+
+  return null;
+}
+
+router.get('/klipy/config', (_req, res) => {
+  res.json({ enabled: hasKlipyApiKey() });
+});
+
+router.get('/klipy/gifs', async (req, res) => {
+  if (!hasKlipyApiKey()) {
+    return res.status(503).json({ error: 'KLIPY is not configured on this server.' });
+  }
+
+  try {
+    const query = sanitizeString(req.query.q) ?? '';
+    const page = clampPositiveInt(req.query.page, DEFAULT_PAGE);
+    const perPage = clampPositiveInt(req.query.per_page, DEFAULT_PER_PAGE, MAX_PER_PAGE);
+    const customerId = sanitizeString(req.query.customer_id);
+    const locale = sanitizeString(req.query.locale);
+    const params = new URLSearchParams({
+      page: String(page),
+      per_page: String(perPage)
+    });
+
+    if (query)
+      params.set('q', query);
+
+    if (customerId)
+      params.set('customer_id', customerId);
+
+    if (locale)
+      params.set('locale', locale);
+
+    const endpoint = query ? 'search' : 'trending';
+    const controller = new AbortController();
+    const timeout = setTimeout(() => controller.abort(), REQUEST_TIMEOUT_MS);
+    const response = await fetch(
+      `${KLIPY_API_BASE_URL}/${encodeURIComponent(getKlipyApiKey())}/gifs/${endpoint}?${params.toString()}`,
+      {
+        headers: { accept: 'application/json' },
+        signal: controller.signal
+      }
+    );
+
+    clearTimeout(timeout);
+
+    const text = await response.text();
+
+    let payload: unknown = null;
+
+    if (text) {
+      try {
+        payload = JSON.parse(text) as unknown;
+      } catch {
+        payload = text;
+      }
+    }
+
+    if (!response.ok) {
+      return res.status(response.status).json({
+        error: extractErrorMessage(payload) || 'Failed to fetch GIFs from KLIPY.'
+      });
+    }
+
+    const rawItems = Array.isArray((payload as any)?.data?.data)
+      ? (payload as any).data.data
+      : [];
+    const results = rawItems
+      .map((item: unknown) => normalizeGifItem(item))
+      .filter((item: NormalizedKlipyGif | null): item is NormalizedKlipyGif => !!item);
+
+    res.json({
+      enabled: true,
+      results,
+      hasNext: (payload as any)?.data?.has_next === true
+    });
+  } catch (error) {
+    if ((error as { name?: string })?.name === 'AbortError') {
+      return res.status(504).json({ error: 'KLIPY request timed out.' });
+    }
+
+    console.error('KLIPY GIF route error:', error);
+    res.status(502).json({ error: 'Failed to fetch GIFs from KLIPY.' });
+  }
+});
+
+export default router;

server/src/routes/servers.ts

@@ -66,13 +66,14 @@ router.post('/', async (req, res) => {
 
 router.put('/:id', async (req, res) => {
   const { id } = req.params;
-  const { ownerId, ...updates } = req.body;
+  const { currentOwnerId, ...updates } = req.body;
   const existing = await getServerById(id);
+  const authenticatedOwnerId = currentOwnerId ?? req.body.ownerId;
 
   if (!existing)
     return res.status(404).json({ error: 'Server not found' });
 
-  if (existing.ownerId !== ownerId)
+  if (existing.ownerId !== authenticatedOwnerId)
     return res.status(403).json({ error: 'Not authorized' });
 
   const server: ServerPayload = { ...existing, ...updates, lastSeen: Date.now() };

src/app/core/constants.ts

@@ -17,7 +17,7 @@ export const STORAGE_KEY_CONNECTION_SETTINGS = 'metoyou_connection_settings';
 /** Key used to persist voice settings (input/output devices, volume). */
 export const STORAGE_KEY_VOICE_SETTINGS = 'metoyou_voice_settings';
 
-/** Key used to persist per-user volume overrides (0–200%). */
+/** Key used to persist per-user volume overrides (0-200%). */
 export const STORAGE_KEY_USER_VOLUMES = 'metoyou_user_volumes';
 
 /** Regex that extracts a roomId from a `/room/:roomId` URL path. */

src/app/core/models/index.ts

@@ -331,6 +331,7 @@ export type ChatEventType =
   | 'kick'
   | 'ban'
   | 'room-deleted'
+  | 'host-change'
   | 'room-settings-update'
   | 'voice-state'
   | 'chat-inventory-request'
@@ -364,6 +365,14 @@ export interface ChatEvent {
   targetUserId?: string;
   /** Room ID the event pertains to. */
   roomId?: string;
+  /** Updated room host ID after an ownership change. */
+  hostId?: string;
+  /** Updated room host `oderId` after an ownership change. */
+  hostOderId?: string;
+  /** Previous room host ID before the ownership change. */
+  previousHostId?: string;
+  /** Previous room host `oderId` before the ownership change. */
+  previousHostOderId?: string;
   /** User who issued a kick. */
   kickedBy?: string;
   /** User who issued a ban. */

src/app/core/services/attachment.service.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @typescript-eslint/member-ordering, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion, max-statements-per-line */
+/* eslint-disable @typescript-eslint/member-ordering, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion, complexity, max-statements-per-line */
 import {
   Injectable,
   inject,
@@ -14,8 +14,9 @@ import { DatabaseService } from './database.service';
 
 /** Size (bytes) of each chunk when streaming a file over RTCDataChannel. */
 const FILE_CHUNK_SIZE_BYTES = 64 * 1024; // 64 KB
-/** Maximum file size (bytes) that is automatically saved to disk (Electron). */
-const MAX_AUTO_SAVE_SIZE_BYTES = 10 * 1024 * 1024; // 10 MB
+
+/** Maximum file size (bytes) that is automatically saved or pushed for inline previews. */
+export const MAX_AUTO_SAVE_SIZE_BYTES = 10 * 1024 * 1024; // 10 MB
 /**
  * EWMA smoothing weight for the *previous* speed estimate.
  * The complementary weight (1 − this value) is applied to the
@@ -27,6 +28,10 @@ const EWMA_CURRENT_WEIGHT = 1 - EWMA_PREVIOUS_WEIGHT;
 const DEFAULT_MIME_TYPE = 'application/octet-stream';
 /** localStorage key used by the legacy attachment store (migration target). */
 const LEGACY_STORAGE_KEY = 'metoyou_attachments';
+/** User-facing error when no peers are available for a request. */
+const NO_CONNECTED_PEERS_REQUEST_ERROR = 'No connected peers are available to provide this file right now.';
+/** User-facing error when connected peers cannot provide a requested file. */
+const FILE_NOT_FOUND_REQUEST_ERROR = 'The connected peers do not have this file right now.';
 
 /**
  * Metadata describing a file attachment linked to a chat message.
@@ -69,6 +74,8 @@ export interface Attachment extends AttachmentMeta {
   startedAtMs?: number;
   /** Epoch ms of the most recent chunk received. */
   lastUpdateMs?: number;
+  /** User-facing request failure shown in the attachment card. */
+  requestError?: string;
 }
 
 /**
@@ -222,13 +229,19 @@ export class AttachmentService {
    * @param attachment - Attachment to request.
    */
   requestFromAnyPeer(messageId: string, attachment: Attachment): void {
+    const clearedRequestError = this.clearAttachmentRequestError(attachment);
     const connectedPeers = this.webrtc.getConnectedPeers();
 
     if (connectedPeers.length === 0) {
+      attachment.requestError = NO_CONNECTED_PEERS_REQUEST_ERROR;
+      this.touch();
       console.warn('[Attachments] No connected peers to request file from');
       return;
     }
 
+    if (clearedRequestError)
+      this.touch();
+
     const requestKey = this.buildRequestKey(messageId, attachment.id);
 
     this.pendingRequests.set(requestKey, new Set());
@@ -246,8 +259,12 @@ export class AttachmentService {
 
     const attachments = this.attachmentsByMessage.get(messageId) ?? [];
     const attachment = attachments.find((entry) => entry.id === fileId);
+    const didSendRequest = this.sendFileRequestToNextPeer(messageId, fileId, attachment?.uploaderPeerId);
 
-    this.sendFileRequestToNextPeer(messageId, fileId, attachment?.uploaderPeerId);
+    if (!didSendRequest && attachment) {
+      attachment.requestError = FILE_NOT_FOUND_REQUEST_ERROR;
+      this.touch();
+    }
   }
 
   /**
@@ -269,8 +286,8 @@ export class AttachmentService {
    *
    * 1. Each file is assigned a UUID.
    * 2. A `file-announce` event is broadcast to peers.
-   * 3. Images ≤ {@link MAX_AUTO_SAVE_SIZE_BYTES} are immediately
-   *    streamed as chunked base-64.
+   * 3. Inline-preview media ≤ {@link MAX_AUTO_SAVE_SIZE_BYTES}
+   *    are immediately streamed as chunked base-64.
    *
    * @param messageId     - ID of the parent message.
    * @param files         - Array of user-selected `File` objects.
@@ -328,8 +345,8 @@ export class AttachmentService {
         }
       } as any);
 
-      // Auto-stream small images
-      if (attachment.isImage && attachment.size <= MAX_AUTO_SAVE_SIZE_BYTES) {
+      // Auto-stream small inline-preview media
+      if (this.isMedia(attachment) && attachment.size <= MAX_AUTO_SAVE_SIZE_BYTES) {
         await this.streamFileToPeers(messageId, fileId, file);
       }
     }
@@ -401,6 +418,10 @@ export class AttachmentService {
 
     const decodedBytes = this.base64ToUint8Array(data);
     const assemblyKey = `${messageId}:${fileId}`;
+    const requestKey = this.buildRequestKey(messageId, fileId);
+
+    this.pendingRequests.delete(requestKey);
+    this.clearAttachmentRequestError(attachment);
 
     // Initialise assembly buffer on first chunk
     let chunkBuffer = this.chunkBuffers.get(assemblyKey);
@@ -453,7 +474,7 @@ export class AttachmentService {
         attachment.available = true;
         attachment.objectUrl = URL.createObjectURL(blob);
 
-        if (attachment.size <= MAX_AUTO_SAVE_SIZE_BYTES) {
+        if (this.shouldPersistDownloadedAttachment(attachment)) {
           void this.saveFileToDisk(attachment, blob);
         }
 
@@ -652,6 +673,15 @@ export class AttachmentService {
     return `${messageId}:${fileId}`;
   }
 
+  /** Clear any user-facing request error stored on an attachment. */
+  private clearAttachmentRequestError(attachment: Attachment): boolean {
+    if (!attachment.requestError)
+      return false;
+
+    attachment.requestError = undefined;
+    return true;
+  }
+
   /** Check whether a specific transfer has been cancelled. */
   private isTransferCancelled(targetPeerId: string, messageId: string, fileId: string): boolean {
     return this.cancelledTransfers.has(
@@ -659,9 +689,18 @@ export class AttachmentService {
     );
   }
 
-  /** Check whether a file is an image or video. */
+  /** Check whether a file is inline-previewable media. */
   private isMedia(attachment: { mime: string }): boolean {
-    return attachment.mime.startsWith('image/') || attachment.mime.startsWith('video/');
+    return attachment.mime.startsWith('image/') ||
+      attachment.mime.startsWith('video/') ||
+      attachment.mime.startsWith('audio/');
+  }
+
+  /** Check whether a completed download should be cached on disk. */
+  private shouldPersistDownloadedAttachment(attachment: Attachment): boolean {
+    return attachment.size <= MAX_AUTO_SAVE_SIZE_BYTES ||
+      attachment.mime.startsWith('video/') ||
+      attachment.mime.startsWith('audio/');
   }
 
   /**
@@ -822,6 +861,8 @@ export class AttachmentService {
       const sanitisedRoom = roomName.replace(/[^\w.-]+/g, '_') || 'room';
       const subDirectory = attachment.mime.startsWith('video/')
         ? 'video'
+        : attachment.mime.startsWith('audio/')
+          ? 'audio'
           : attachment.mime.startsWith('image/')
             ? 'image'
             : 'files';

src/app/core/services/electron-database.service.ts

@@ -21,7 +21,7 @@ interface ElectronAPI {
  * structured command/query objects through the unified `cqrs:command` and
  * `cqrs:query` channels exposed by the preload script.
  *
- * No initialisation IPC call is needed – the database is initialised and
+ * No initialisation IPC call is needed - the database is initialised and
  * migrations are run in main.ts before the renderer window is created.
  */
 @Injectable({ providedIn: 'root' })

src/app/core/services/index.ts

@@ -5,6 +5,7 @@ export * from './electron-database.service';
 export * from './database.service';
 export * from './webrtc.service';
 export * from './server-directory.service';
+export * from './klipy.service';
 export * from './voice-session.service';
 export * from './voice-activity.service';
 export * from './external-link.service';

src/app/core/services/klipy.service.ts

@@ -0,0 +1,200 @@
+/* eslint-disable @typescript-eslint/member-ordering */
+import {
+  Injectable,
+  computed,
+  effect,
+  inject,
+  signal
+} from '@angular/core';
+import { HttpClient, HttpParams } from '@angular/common/http';
+import {
+  Observable,
+  firstValueFrom,
+  throwError
+} from 'rxjs';
+import { catchError, map } from 'rxjs/operators';
+import { ServerDirectoryService } from './server-directory.service';
+
+export interface KlipyGif {
+  id: string;
+  slug: string;
+  title?: string;
+  url: string;
+  previewUrl: string;
+  width: number;
+  height: number;
+}
+
+interface KlipyAvailabilityResponse {
+  enabled: boolean;
+}
+
+export interface KlipyGifSearchResponse {
+  enabled: boolean;
+  results: KlipyGif[];
+  hasNext: boolean;
+}
+
+const DEFAULT_PAGE_SIZE = 24;
+const KLIPY_CUSTOMER_ID_STORAGE_KEY = 'metoyou_klipy_customer_id';
+
+@Injectable({ providedIn: 'root' })
+export class KlipyService {
+  private readonly http = inject(HttpClient);
+  private readonly serverDirectory = inject(ServerDirectoryService);
+  private readonly availabilityState = signal({
+    enabled: false,
+    loading: true
+  });
+  private lastAvailabilityKey = '';
+
+  readonly isEnabled = computed(() => this.availabilityState().enabled);
+  readonly isLoading = computed(() => this.availabilityState().loading);
+
+  constructor() {
+    effect(() => {
+      const activeServer = this.serverDirectory.activeServer();
+      const apiBaseUrl = this.serverDirectory.getApiBaseUrl();
+      const nextKey = `${activeServer?.id ?? 'default'}:${apiBaseUrl}`;
+
+      if (nextKey === this.lastAvailabilityKey)
+        return;
+
+      this.lastAvailabilityKey = nextKey;
+      void this.refreshAvailability();
+    });
+  }
+
+  async refreshAvailability(): Promise<void> {
+    this.availabilityState.set({ enabled: false,
+      loading: true });
+
+    try {
+      const response = await firstValueFrom(
+        this.http.get<KlipyAvailabilityResponse>(
+          `${this.serverDirectory.getApiBaseUrl()}/klipy/config`
+        )
+      );
+
+      this.availabilityState.set({
+        enabled: response.enabled === true,
+        loading: false
+      });
+    } catch {
+      this.availabilityState.set({ enabled: false,
+        loading: false });
+    }
+  }
+
+  searchGifs(
+    query: string,
+    page = 1,
+    perPage = DEFAULT_PAGE_SIZE
+  ): Observable<KlipyGifSearchResponse> {
+    let params = new HttpParams()
+      .set('page', String(Math.max(1, Math.floor(page))))
+      .set('per_page', String(Math.max(1, Math.floor(perPage))))
+      .set('customer_id', this.getOrCreateCustomerId());
+
+    const trimmedQuery = query.trim();
+
+    if (trimmedQuery) {
+      params = params.set('q', trimmedQuery);
+    }
+
+    const locale = this.getPreferredLocale();
+
+    if (locale) {
+      params = params.set('locale', locale);
+    }
+
+    return this.http
+      .get<KlipyGifSearchResponse>(`${this.serverDirectory.getApiBaseUrl()}/klipy/gifs`, { params })
+      .pipe(
+        map((response) => ({
+          enabled: response.enabled !== false,
+          results: Array.isArray(response.results) ? response.results : [],
+          hasNext: response.hasNext === true
+        })),
+        catchError((error) =>
+          throwError(() => new Error(this.extractErrorMessage(error)))
+        )
+      );
+  }
+
+  normalizeMediaUrl(url: string): string {
+    const trimmed = url.trim();
+
+    if (!trimmed)
+      return '';
+
+    if (trimmed.startsWith('//'))
+      return `https:${trimmed}`;
+
+    return trimmed;
+  }
+
+  buildRenderableImageUrl(url: string): string {
+    const trimmed = this.normalizeMediaUrl(url);
+
+    if (!trimmed)
+      return '';
+
+    if (!/^https?:\/\//i.test(trimmed))
+      return trimmed;
+
+    return `${this.serverDirectory.getApiBaseUrl()}/image-proxy?url=${encodeURIComponent(trimmed)}`;
+  }
+
+  private getPreferredLocale(): string | null {
+    if (typeof navigator === 'undefined' || !navigator.language)
+      return null;
+
+    const locale = navigator.language.trim();
+
+    return locale || null;
+  }
+
+  private getOrCreateCustomerId(): string {
+    if (typeof window === 'undefined') {
+      return 'server';
+    }
+
+    try {
+      const existing = window.localStorage.getItem(KLIPY_CUSTOMER_ID_STORAGE_KEY);
+
+      if (existing?.trim())
+        return existing;
+
+      const created = window.crypto?.randomUUID?.()
+        ?? `klipy-${Date.now().toString(36)}-${Math.random().toString(36)
+          .slice(2, 10)}`;
+
+      window.localStorage.setItem(KLIPY_CUSTOMER_ID_STORAGE_KEY, created);
+      return created;
+    } catch {
+      return `klipy-${Date.now().toString(36)}`;
+    }
+  }
+
+  private extractErrorMessage(error: unknown): string {
+    const httpError = error as {
+      error?: {
+        error?: unknown;
+        message?: unknown;
+      };
+      message?: unknown;
+    };
+
+    if (typeof httpError?.error?.error === 'string')
+      return httpError.error.error;
+
+    if (typeof httpError?.error?.message === 'string')
+      return httpError.error.message;
+
+    if (typeof httpError?.message === 'string')
+      return httpError.message;
+
+    return 'Failed to load GIFs from KLIPY.';
+  }
+}

src/app/core/services/server-directory.service.ts

@@ -309,10 +309,10 @@ export class ServerDirectoryService {
   /** Update an existing server listing. */
   updateServer(
     serverId: string,
-    updates: Partial<ServerInfo>
+    updates: Partial<ServerInfo> & { currentOwnerId: string }
   ): Observable<ServerInfo> {
     return this.http
-      .patch<ServerInfo>(`${this.buildApiBaseUrl()}/servers/${serverId}`, updates)
+      .put<ServerInfo>(`${this.buildApiBaseUrl()}/servers/${serverId}`, updates)
       .pipe(
         catchError((error) => {
           console.error('Failed to update server:', error);

src/app/core/services/voice-activity.service.ts

@@ -236,8 +236,8 @@ export class VoiceActivityService implements OnDestroy {
       // Compute RMS volume from time-domain data (values 0-255, centred at 128).
       let sumSquares = 0;
 
-      for (let i = 0; i < dataArray.length; i++) {
-        const normalised = (dataArray[i] - 128) / 128;
+      for (let sampleIndex = 0; sampleIndex < dataArray.length; sampleIndex++) {
+        const normalised = (dataArray[sampleIndex] - 128) / 128;
 
         sumSquares += normalised * normalised;
       }

src/app/features/chat/chat-messages/chat-messages.component.html

@@ -128,6 +128,26 @@
                       <pre><code>{{ node.value }}</code></pre>
                     }
                   </ng-template>
+                  <ng-template
+                    [remarkTemplate]="'image'"
+                    let-node
+                  >
+                    <div class="relative mt-2 inline-block overflow-hidden rounded-md border border-border/60 bg-secondary/20">
+                      <img
+                        [src]="getMarkdownImageSource(node.url)"
+                        [alt]="node.alt || 'Shared image'"
+                        class="block max-h-80 w-auto max-w-full"
+                        loading="lazy"
+                      />
+                      @if (isKlipyMediaUrl(node.url)) {
+                        <span
+                          class="pointer-events-none absolute bottom-2 left-2 rounded-full bg-black/70 px-2 py-0.5 text-[10px] font-semibold uppercase tracking-[0.24em] text-white/90 backdrop-blur-sm"
+                        >
+                          KLIPY
+                        </span>
+                      }
+                    </div>
+                  </ng-template>
                 </remark>
               </div>
               @if (getAttachments(message.id).length > 0) {
@@ -206,7 +226,15 @@
                             <div class="flex-1 min-w-0">
                               <div class="text-sm font-medium truncate text-foreground">{{ att.filename }}</div>
                               <div class="text-xs text-muted-foreground">{{ formatBytes(att.size) }}</div>
-                              <div class="text-xs text-muted-foreground/70 mt-0.5 italic">Waiting for image source…</div>
+                              <div
+                                class="text-xs mt-0.5"
+                                [class.text-destructive]="!!att.requestError"
+                                [class.text-muted-foreground]="!att.requestError"
+                                [class.opacity-70]="!att.requestError"
+                                [class.italic]="!att.requestError"
+                              >
+                                {{ att.requestError || 'Waiting for image source…' }}
+                              </div>
                             </div>
                           </div>
                           <button
@@ -217,6 +245,74 @@
                           </button>
                         </div>
                       }
+                    } @else if (isVideoAttachment(att) || isAudioAttachment(att)) {
+                      @if (att.available && att.objectUrl) {
+                        @if (isVideoAttachment(att)) {
+                          <app-chat-video-player
+                            [src]="att.objectUrl"
+                            [filename]="att.filename"
+                            [sizeLabel]="formatBytes(att.size)"
+                            (downloadRequested)="downloadAttachment(att)"
+                          />
+                        } @else {
+                          <app-chat-audio-player
+                            [src]="att.objectUrl"
+                            [filename]="att.filename"
+                            [sizeLabel]="formatBytes(att.size)"
+                            (downloadRequested)="downloadAttachment(att)"
+                          />
+                        }
+                      } @else if ((att.receivedBytes || 0) > 0) {
+                        <div class="border border-border rounded-md p-3 bg-secondary/40 max-w-xl">
+                          <div class="flex items-start justify-between gap-3">
+                            <div class="min-w-0 flex-1">
+                              <div class="text-sm font-medium truncate">{{ att.filename }}</div>
+                              <div class="text-xs text-muted-foreground">{{ formatBytes(att.receivedBytes || 0) }} / {{ formatBytes(att.size) }}</div>
+                            </div>
+                            <button
+                              class="px-2 py-1 text-xs bg-destructive text-destructive-foreground rounded"
+                              (click)="cancelAttachment(att, message.id)"
+                            >
+                              Cancel
+                            </button>
+                          </div>
+                          <div class="mt-2 h-1.5 rounded-full bg-muted overflow-hidden">
+                            <div
+                              class="h-full rounded-full bg-primary transition-all duration-300"
+                              [style.width.%]="((att.receivedBytes || 0) * 100) / att.size"
+                            ></div>
+                          </div>
+                          <div class="mt-2 flex items-center justify-between text-xs text-muted-foreground">
+                            <span>{{ ((att.receivedBytes || 0) * 100) / att.size | number: '1.0-0' }}%</span>
+                            @if (att.speedBps) {
+                              <span>{{ formatSpeed(att.speedBps) }}</span>
+                            }
+                          </div>
+                        </div>
+                      } @else {
+                        <div class="border border-dashed border-border rounded-md p-4 bg-secondary/20 max-w-xl">
+                          <div class="flex items-start justify-between gap-3">
+                            <div class="min-w-0 flex-1">
+                              <div class="text-sm font-medium truncate text-foreground">{{ att.filename }}</div>
+                              <div class="text-xs text-muted-foreground">{{ formatBytes(att.size) }}</div>
+                              <div
+                                class="mt-1 text-xs leading-relaxed"
+                                [class.text-destructive]="!!att.requestError"
+                                [class.text-muted-foreground]="!att.requestError"
+                                [class.opacity-80]="!att.requestError"
+                              >
+                                {{ getMediaAttachmentStatusText(att) }}
+                              </div>
+                            </div>
+                            <button
+                              (click)="requestAttachment(att, message.id)"
+                              class="shrink-0 rounded-md bg-secondary px-3 py-1.5 text-xs text-foreground transition-colors hover:bg-secondary/80"
+                            >
+                              {{ getMediaAttachmentActionLabel(att) }}
+                            </button>
+                          </div>
+                        </div>
+                      }
                     } @else {
                       <div class="border border-border rounded-md p-2 bg-secondary/40">
                         <div class="flex items-center justify-between">
@@ -244,7 +340,7 @@
                                     class="px-2 py-1 text-xs bg-secondary text-foreground rounded"
                                     (click)="requestAttachment(att, message.id)"
                                   >
-                                    Request
+                                    {{ att.requestError ? 'Retry' : 'Request' }}
                                   </button>
                                 } @else {
                                   <button
@@ -267,6 +363,13 @@
                             }
                           </div>
                         </div>
+                        @if (!att.available && att.requestError) {
+                          <div
+                            class="mt-2 w-full rounded-md border border-destructive/20 bg-destructive/5 px-2.5 py-1.5 text-xs leading-relaxed text-destructive"
+                          >
+                            {{ att.requestError }}
+                          </div>
+                        }
                       </div>
                     }
                   }
@@ -521,6 +624,43 @@
         (dragleave)="onDragLeave($event)"
         (drop)="onDrop($event)"
       >
+        <div class="absolute bottom-3 right-3 z-10 flex items-center gap-2">
+          @if (klipy.isEnabled()) {
+            <button
+              type="button"
+              (click)="openKlipyGifPicker()"
+              class="inline-flex h-10 min-w-10 items-center justify-center gap-1.5 rounded-2xl border border-border/70 bg-secondary/55 px-3 text-[11px] font-semibold uppercase tracking-[0.2em] text-muted-foreground shadow-sm backdrop-blur-md transition-all duration-200 hover:-translate-y-0.5 hover:border-primary/35 hover:bg-secondary/90 hover:text-foreground"
+              [class.border-primary]="showKlipyGifPicker()"
+              [class.text-primary]="showKlipyGifPicker()"
+              [class.opacity-70]="!inputHovered() && !showKlipyGifPicker()"
+              [class.opacity-100]="inputHovered() || showKlipyGifPicker()"
+              [class.shadow-none]="!inputHovered() && !showKlipyGifPicker()"
+              aria-label="Search KLIPY GIFs"
+              title="Search KLIPY GIFs"
+            >
+              <ng-icon
+                name="lucideImage"
+                class="h-4 w-4"
+              />
+              <span class="hidden sm:inline">GIF</span>
+            </button>
+          }
+
+          <button
+            type="button"
+            (click)="sendMessage()"
+            [disabled]="!messageContent.trim() && pendingFiles.length === 0 && !pendingKlipyGif()"
+            class="send-btn visible inline-flex h-11 w-11 items-center justify-center rounded-2xl bg-primary text-primary-foreground shadow-lg shadow-primary/25 ring-1 ring-primary/20 transition-all duration-200 hover:-translate-y-0.5 hover:bg-primary/90 disabled:translate-y-0 disabled:cursor-not-allowed disabled:bg-secondary disabled:text-muted-foreground disabled:shadow-none disabled:ring-0"
+            aria-label="Send message"
+            title="Send message"
+          >
+            <ng-icon
+              name="lucideSend"
+              class="h-5 w-5"
+            />
+          </button>
+        </div>
+
         <textarea
           #messageInputRef
           rows="1"
@@ -534,24 +674,14 @@
           (dragleave)="onDragLeave($event)"
           (drop)="onDrop($event)"
           placeholder="Type a message..."
-          class="chat-textarea w-full pl-3 pr-12 py-2 rounded-2xl border border-border text-foreground placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-primary"
+          class="chat-textarea w-full rounded-[1.35rem] border border-border py-2 pl-4 text-foreground placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-primary"
+          [class.pr-16]="!klipy.isEnabled()"
+          [class.pr-40]="klipy.isEnabled()"
           [class.border-primary]="dragActive()"
           [class.border-dashed]="dragActive()"
           [class.ctrl-resize]="ctrlHeld()"
         ></textarea>
 
-        <button
-          (click)="sendMessage()"
-          [disabled]="!messageContent.trim() && pendingFiles.length === 0"
-          class="send-btn absolute right-2 bottom-[15px] w-8 h-8 rounded-full bg-primary text-primary-foreground grid place-items-center hover:bg-primary/90 transition-all disabled:opacity-50 disabled:cursor-not-allowed"
-          [class.visible]="inputHovered() || messageContent.trim().length > 0"
-        >
-          <ng-icon
-            name="lucideSend"
-            class="w-4 h-4"
-          />
-        </button>
-
         @if (dragActive()) {
           <div
             class="pointer-events-none absolute inset-0 rounded-2xl border-2 border-primary border-dashed bg-primary/5 flex items-center justify-center"
@@ -560,6 +690,39 @@
           </div>
         }
 
+        @if (pendingKlipyGif()) {
+          <div class="mt-2 flex">
+            <div class="group flex max-w-sm items-center gap-3 rounded-xl border border-border bg-secondary/60 px-2.5 py-2">
+              <div class="relative h-12 w-12 overflow-hidden rounded-lg bg-secondary/80">
+                <img
+                  [src]="getPendingKlipyGifPreviewUrl()"
+                  [alt]="pendingKlipyGif()!.title || 'KLIPY GIF'"
+                  class="h-full w-full object-cover"
+                  loading="lazy"
+                />
+                <span
+                  class="absolute bottom-1 left-1 rounded bg-black/70 px-1.5 py-0.5 text-[8px] font-semibold uppercase tracking-[0.18em] text-white/90"
+                >
+                  KLIPY
+                </span>
+              </div>
+              <div class="min-w-0">
+                <div class="text-xs font-medium text-foreground">GIF ready to send</div>
+                <div class="max-w-[12rem] truncate text-[10px] text-muted-foreground">
+                  {{ pendingKlipyGif()!.title || 'KLIPY GIF' }}
+                </div>
+              </div>
+              <button
+                type="button"
+                (click)="removePendingKlipyGif()"
+                class="rounded px-2 py-1 text-[10px] text-destructive transition-colors hover:bg-destructive/10"
+              >
+                Remove
+              </button>
+            </div>
+          </div>
+        }
+
         @if (pendingFiles.length > 0) {
           <div class="mt-2 flex flex-wrap gap-2">
             @for (file of pendingFiles; track file.name) {
@@ -580,6 +743,13 @@
     </div>
   </div>
 
+  @if (showKlipyGifPicker() && klipy.isEnabled()) {
+    <app-klipy-gif-picker
+      (gifSelected)="handleKlipyGifSelected($event)"
+      (closed)="closeKlipyGifPicker()"
+    />
+  }
+
   <!-- Image Lightbox Modal -->
   @if (lightboxAttachment()) {
     <div

src/app/features/chat/chat-messages/chat-messages.component.ts

@@ -15,7 +15,12 @@ import {
 import { CommonModule } from '@angular/common';
 import { FormsModule } from '@angular/forms';
 import { Store } from '@ngrx/store';
-import { AttachmentService, Attachment } from '../../../core/services/attachment.service';
+import {
+  AttachmentService,
+  Attachment,
+  MAX_AUTO_SAVE_SIZE_BYTES
+} from '../../../core/services/attachment.service';
+import { KlipyGif, KlipyService } from '../../../core/services/klipy.service';
 import { NgIcon, provideIcons } from '@ng-icons/core';
 import {
   lucideSend,
@@ -42,8 +47,13 @@ import { selectCurrentUser, selectIsCurrentUserAdmin } from '../../../store/user
 import { selectCurrentRoom, selectActiveChannelId } from '../../../store/rooms/rooms.selectors';
 import { Message } from '../../../core/models';
 import { WebRTCService } from '../../../core/services/webrtc.service';
-import { ServerDirectoryService } from '../../../core/services/server-directory.service';
-import { ContextMenuComponent, UserAvatarComponent } from '../../../shared';
+import {
+  ChatAudioPlayerComponent,
+  ChatVideoPlayerComponent,
+  ContextMenuComponent,
+  UserAvatarComponent
+} from '../../../shared';
+import { KlipyGifPickerComponent } from '../klipy-gif-picker/klipy-gif-picker.component';
 import { TypingIndicatorComponent } from '../typing-indicator/typing-indicator.component';
 import { RemarkModule, MermaidComponent } from 'ngx-remark';
 import remarkGfm from 'remark-gfm';
@@ -70,8 +80,11 @@ const COMMON_EMOJIS = [
     CommonModule,
     FormsModule,
     NgIcon,
+    ChatAudioPlayerComponent,
+    ChatVideoPlayerComponent,
     ContextMenuComponent,
     UserAvatarComponent,
+    KlipyGifPickerComponent,
     TypingIndicatorComponent,
     RemarkModule,
     MermaidComponent
@@ -109,8 +122,8 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
   @ViewChild('bottomBar') bottomBar!: ElementRef;
 
   private store = inject(Store);
+  readonly klipy = inject(KlipyService);
   private webrtc = inject(WebRTCService);
-  private serverDirectory = inject(ServerDirectoryService);
   private attachmentsSvc = inject(AttachmentService);
   private cdr = inject(ChangeDetectorRef);
   private markdown = inject(ChatMarkdownService);
@@ -163,6 +176,8 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
   editingMessageId = signal<string | null>(null);
   replyTo = signal<Message | null>(null);
   showEmojiPicker = signal<string | null>(null);
+  pendingKlipyGif = signal<KlipyGif | null>(null);
+  showKlipyGifPicker = signal(false);
 
   readonly commonEmojis = COMMON_EMOJIS;
 
@@ -327,10 +342,10 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
   sendMessage(): void {
     const raw = this.messageContent.trim();
 
-    if (!raw && this.pendingFiles.length === 0)
+    if (!raw && this.pendingFiles.length === 0 && !this.pendingKlipyGif())
       return;
 
-    const content = this.markdown.appendImageMarkdown(raw);
+    const content = this.buildOutgoingMessageContent(raw);
 
     this.store.dispatch(
       MessagesActions.sendMessage({
@@ -341,6 +356,7 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
     );
 
     this.messageContent = '';
+    this.pendingKlipyGif.set(null);
     this.clearReply();
     this.shouldScrollToBottom = true;
     // Reset textarea height after sending
@@ -764,6 +780,51 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
     this.setSelection(result.selectionStart, result.selectionEnd);
   }
 
+  openKlipyGifPicker(): void {
+    if (!this.klipy.isEnabled())
+      return;
+
+    this.showKlipyGifPicker.set(true);
+  }
+
+  closeKlipyGifPicker(): void {
+    this.showKlipyGifPicker.set(false);
+  }
+
+  handleKlipyGifSelected(gif: KlipyGif): void {
+    this.pendingKlipyGif.set(gif);
+    this.closeKlipyGifPicker();
+
+    if (!this.messageContent.trim() && this.pendingFiles.length === 0) {
+      this.sendMessage();
+      return;
+    }
+
+    requestAnimationFrame(() => this.messageInputRef?.nativeElement.focus());
+  }
+
+  removePendingKlipyGif(): void {
+    this.pendingKlipyGif.set(null);
+    requestAnimationFrame(() => this.messageInputRef?.nativeElement.focus());
+  }
+
+  getPendingKlipyGifPreviewUrl(): string {
+    const gif = this.pendingKlipyGif();
+
+    return gif ? this.klipy.buildRenderableImageUrl(gif.previewUrl || gif.url) : '';
+  }
+
+  getMarkdownImageSource(url?: string): string {
+    return url ? this.klipy.buildRenderableImageUrl(url) : '';
+  }
+
+  isKlipyMediaUrl(url?: string): boolean {
+    if (!url)
+      return false;
+
+    return /^(?:https?:)?\/\/(?:[^/]+\.)?klipy\.com/i.test(url);
+  }
+
   /** Handle drag-enter to activate the drop zone overlay. */
   // Attachments: drag/drop and rendering
   onDragEnter(evt: DragEvent): void {
@@ -945,6 +1006,47 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
     return `${speed.toFixed(speed < 100 ? 2 : 1)} ${units[i]}`;
   }
 
+  /** Whether an attachment can be played inline as video. */
+  isVideoAttachment(att: Attachment): boolean {
+    return att.mime.startsWith('video/');
+  }
+
+  /** Whether an attachment can be played inline as audio. */
+  isAudioAttachment(att: Attachment): boolean {
+    return att.mime.startsWith('audio/');
+  }
+
+  /** Whether the user must explicitly accept a media download before playback. */
+  requiresMediaDownloadAcceptance(att: Attachment): boolean {
+    return (this.isVideoAttachment(att) || this.isAudioAttachment(att)) &&
+      att.size > MAX_AUTO_SAVE_SIZE_BYTES;
+  }
+
+  /** User-facing status copy for an unavailable audio/video attachment. */
+  getMediaAttachmentStatusText(att: Attachment): string {
+    if (att.requestError)
+      return att.requestError;
+
+    if (this.requiresMediaDownloadAcceptance(att)) {
+      return this.isVideoAttachment(att)
+        ? 'Large video. Accept the download to watch it in chat.'
+        : 'Large audio file. Accept the download to play it in chat.';
+    }
+
+    return this.isVideoAttachment(att)
+      ? 'Waiting for video source…'
+      : 'Waiting for audio source…';
+  }
+
+  /** Action label for requesting an audio/video attachment. */
+  getMediaAttachmentActionLabel(att: Attachment): string {
+    if (this.requiresMediaDownloadAcceptance(att)) {
+      return att.requestError ? 'Retry download' : 'Accept download';
+    }
+
+    return att.requestError ? 'Retry' : 'Request';
+  }
+
   /** Remove a pending file from the upload queue. */
   removePendingFile(file: File): void {
     const idx = this.pendingFiles.findIndex((pending) => pending === file);
@@ -955,10 +1057,33 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
   }
 
   /** Download a completed attachment to the user's device. */
-  downloadAttachment(att: Attachment): void {
+  async downloadAttachment(att: Attachment): Promise<void> {
     if (!att.available || !att.objectUrl)
       return;
 
+    const electronApi = (window as any)?.electronAPI as {
+      saveFileAs?: (
+        defaultFileName: string,
+        data: string
+      ) => Promise<{ saved: boolean; cancelled: boolean }>;
+    } | undefined;
+
+    if (electronApi?.saveFileAs) {
+      const blob = await this.getAttachmentBlob(att);
+
+      if (blob) {
+        try {
+          const result = await electronApi.saveFileAs(
+            att.filename,
+            await this.blobToBase64(blob)
+          );
+
+          if (result.saved || result.cancelled)
+            return;
+        } catch { /* fall back to browser download */ }
+      }
+    }
+
     const a = document.createElement('a');
 
     a.href = att.objectUrl;
@@ -968,6 +1093,39 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
     document.body.removeChild(a);
   }
 
+  private async getAttachmentBlob(att: Attachment): Promise<Blob | null> {
+    if (!att.objectUrl)
+      return null;
+
+    try {
+      const response = await fetch(att.objectUrl);
+
+      return await response.blob();
+    } catch {
+      return null;
+    }
+  }
+
+  private blobToBase64(blob: Blob): Promise<string> {
+    return new Promise((resolve, reject) => {
+      const reader = new FileReader();
+
+      reader.onload = () => {
+        if (typeof reader.result !== 'string') {
+          reject(new Error('Failed to encode attachment'));
+          return;
+        }
+
+        const [, base64 = ''] = reader.result.split(',', 2);
+
+        resolve(base64);
+      };
+
+      reader.onerror = () => reject(reader.error ?? new Error('Failed to read attachment'));
+      reader.readAsDataURL(blob);
+    });
+  }
+
   /** Request a file attachment to be transferred from the uploader peer. */
   requestAttachment(att: Attachment, messageId: string): void {
     this.attachmentsSvc.requestFile(messageId, att);
@@ -1093,6 +1251,24 @@ export class ChatMessagesComponent implements AfterViewChecked, OnInit, OnDestro
     this.pendingFiles = [];
   }
 
+  private buildOutgoingMessageContent(raw: string): string {
+    const withEmbeddedImages = this.markdown.appendImageMarkdown(raw);
+    const gif = this.pendingKlipyGif();
+
+    if (!gif)
+      return withEmbeddedImages;
+
+    const gifMarkdown = this.buildKlipyGifMarkdown(gif);
+
+    return withEmbeddedImages
+      ? `${withEmbeddedImages}\n${gifMarkdown}`
+      : gifMarkdown;
+  }
+
+  private buildKlipyGifMarkdown(gif: KlipyGif): string {
+    return `![KLIPY GIF](${this.klipy.normalizeMediaUrl(gif.url)})`;
+  }
+
   /** Auto-resize the textarea to fit its content up to 520px, then allow scrolling. */
   autoResizeTextarea(): void {
     const el = this.messageInputRef?.nativeElement;

src/app/features/chat/klipy-gif-picker/klipy-gif-picker.component.html

@@ -0,0 +1,144 @@
+<!-- eslint-disable @angular-eslint/template/prefer-ngsrc -->
+<div
+  class="fixed inset-0 z-[94] bg-black/70 backdrop-blur-sm"
+  (click)="close()"
+  (keydown.enter)="close()"
+  (keydown.space)="close()"
+  role="button"
+  tabindex="0"
+  aria-label="Close GIF picker"
+></div>
+<div class="fixed inset-0 z-[95] flex items-center justify-center p-4 pointer-events-none">
+  <div
+    class="pointer-events-auto flex h-[min(80vh,48rem)] w-full max-w-5xl flex-col overflow-hidden rounded-2xl border border-border bg-card shadow-2xl"
+    role="dialog"
+    aria-modal="true"
+    aria-label="KLIPY GIF picker"
+  >
+    <div class="flex items-start justify-between gap-4 border-b border-border px-5 py-4">
+      <div>
+        <div class="text-[11px] font-semibold uppercase tracking-[0.28em] text-primary">KLIPY</div>
+        <h3 class="mt-1 text-lg font-semibold text-foreground">Choose a GIF</h3>
+        <p class="mt-1 text-sm text-muted-foreground">
+          {{ searchQuery.trim() ? 'Search results from KLIPY.' : 'Trending GIFs from KLIPY.' }}
+        </p>
+      </div>
+
+      <button
+        type="button"
+        (click)="close()"
+        class="inline-flex h-9 w-9 items-center justify-center rounded-full border border-border bg-secondary/30 text-muted-foreground transition-colors hover:bg-secondary hover:text-foreground"
+        aria-label="Close GIF picker"
+      >
+        <ng-icon
+          name="lucideX"
+          class="h-4 w-4"
+        />
+      </button>
+    </div>
+
+    <div class="border-b border-border px-5 py-4">
+      <label class="relative block">
+        <ng-icon
+          name="lucideSearch"
+          class="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground"
+        />
+        <input
+          #searchInput
+          type="text"
+          [ngModel]="searchQuery"
+          (ngModelChange)="onSearchQueryChanged($event)"
+          placeholder="Search KLIPY"
+          class="w-full rounded-xl border border-border bg-background px-10 py-3 text-sm text-foreground placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-primary"
+        />
+      </label>
+    </div>
+
+    <div class="flex-1 overflow-y-auto px-5 py-4">
+      @if (errorMessage()) {
+        <div
+          class="mb-4 flex items-center justify-between gap-3 rounded-xl border border-destructive/20 bg-destructive/5 px-4 py-3 text-sm text-destructive"
+        >
+          <span>{{ errorMessage() }}</span>
+          <button
+            type="button"
+            (click)="retry()"
+            class="rounded-lg bg-destructive px-3 py-1.5 text-xs font-medium text-destructive-foreground transition-colors hover:bg-destructive/90"
+          >
+            Retry
+          </button>
+        </div>
+      }
+
+      @if (loading() && results().length === 0) {
+        <div class="flex h-full min-h-56 flex-col items-center justify-center gap-3 text-muted-foreground">
+          <span class="h-6 w-6 animate-spin rounded-full border-2 border-primary/20 border-t-primary"></span>
+          <p class="text-sm">Loading GIFs from KLIPY…</p>
+        </div>
+      } @else if (results().length === 0) {
+        <div
+          class="flex h-full min-h-56 flex-col items-center justify-center gap-3 rounded-2xl border border-dashed border-border bg-secondary/10 px-6 text-center text-muted-foreground"
+        >
+          <div class="flex h-12 w-12 items-center justify-center rounded-full bg-primary/10 text-primary">
+            <ng-icon
+              name="lucideImage"
+              class="h-5 w-5"
+            />
+          </div>
+          <div>
+            <p class="text-sm font-medium text-foreground">No GIFs found</p>
+            <p class="mt-1 text-sm">Try another search term or clear the search to browse trending GIFs.</p>
+          </div>
+        </div>
+      } @else {
+        <div class="grid grid-cols-2 gap-4 md:grid-cols-3 xl:grid-cols-4">
+          @for (gif of results(); track gif.id) {
+            <button
+              type="button"
+              (click)="selectGif(gif)"
+              class="group overflow-hidden rounded-2xl border border-border bg-secondary/10 text-left transition-transform duration-200 hover:-translate-y-0.5 hover:border-primary/50 hover:bg-secondary/30"
+            >
+              <div
+                class="relative overflow-hidden bg-secondary/30"
+                [style.aspect-ratio]="gifAspectRatio(gif)"
+              >
+                <img
+                  [src]="gifPreviewUrl(gif)"
+                  [alt]="gif.title || 'KLIPY GIF'"
+                  class="h-full w-full object-cover transition-transform duration-200 group-hover:scale-[1.03]"
+                  loading="lazy"
+                />
+                <span
+                  class="pointer-events-none absolute bottom-2 left-2 rounded-full bg-black/70 px-2 py-0.5 text-[10px] font-semibold uppercase tracking-[0.24em] text-white/90 backdrop-blur-sm"
+                >
+                  KLIPY
+                </span>
+              </div>
+              <div class="px-3 py-2">
+                <p class="truncate text-xs font-medium text-foreground">
+                  {{ gif.title || 'KLIPY GIF' }}
+                </p>
+                <p class="mt-1 text-[10px] uppercase tracking-[0.22em] text-muted-foreground">Click to select</p>
+              </div>
+            </button>
+          }
+        </div>
+      }
+    </div>
+
+    <div class="flex items-center justify-between gap-4 border-t border-border px-5 py-4">
+      <p class="text-xs text-muted-foreground">Click a GIF to select it. Powered by KLIPY.</p>
+
+      @if (hasNext()) {
+        <button
+          type="button"
+          (click)="loadMore()"
+          [disabled]="loading()"
+          class="rounded-full border border-border px-4 py-2 text-xs font-medium text-foreground transition-colors hover:bg-secondary disabled:cursor-not-allowed disabled:opacity-60"
+        >
+          {{ loading() ? 'Loading…' : 'Load more' }}
+        </button>
+      }
+    </div>
+  </div>
+</div>

src/app/features/chat/klipy-gif-picker/klipy-gif-picker.component.ts

@@ -0,0 +1,187 @@
+/* eslint-disable @typescript-eslint/member-ordering */
+import {
+  AfterViewInit,
+  Component,
+  ElementRef,
+  HostListener,
+  OnDestroy,
+  OnInit,
+  ViewChild,
+  inject,
+  output,
+  signal
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { firstValueFrom } from 'rxjs';
+import { NgIcon, provideIcons } from '@ng-icons/core';
+import {
+  lucideImage,
+  lucideSearch,
+  lucideX
+} from '@ng-icons/lucide';
+import { KlipyGif, KlipyService } from '../../../core/services/klipy.service';
+
+@Component({
+  selector: 'app-klipy-gif-picker',
+  standalone: true,
+  imports: [
+    CommonModule,
+    FormsModule,
+    NgIcon
+  ],
+  viewProviders: [
+    provideIcons({
+      lucideImage,
+      lucideSearch,
+      lucideX
+    })
+  ],
+  templateUrl: './klipy-gif-picker.component.html'
+})
+export class KlipyGifPickerComponent implements OnInit, AfterViewInit, OnDestroy {
+  readonly gifSelected = output<KlipyGif>();
+  readonly closed = output<undefined>();
+
+  @ViewChild('searchInput') searchInput?: ElementRef<HTMLInputElement>;
+
+  private readonly klipy = inject(KlipyService);
+  private currentPage = 1;
+  private searchTimer: ReturnType<typeof setTimeout> | null = null;
+  private requestId = 0;
+
+  searchQuery = '';
+  results = signal<KlipyGif[]>([]);
+  loading = signal(false);
+  errorMessage = signal('');
+  hasNext = signal(false);
+
+  ngOnInit(): void {
+    void this.loadResults(true);
+  }
+
+  ngAfterViewInit(): void {
+    requestAnimationFrame(() => {
+      this.searchInput?.nativeElement.focus();
+      this.searchInput?.nativeElement.select();
+    });
+  }
+
+  ngOnDestroy(): void {
+    this.clearSearchTimer();
+  }
+
+  @HostListener('document:keydown.escape')
+  onEscape(): void {
+    this.close();
+  }
+
+  onSearchQueryChanged(query: string): void {
+    this.searchQuery = query;
+    this.clearSearchTimer();
+    this.searchTimer = setTimeout(() => {
+      void this.loadResults(true);
+    }, 250);
+  }
+
+  retry(): void {
+    void this.loadResults(true);
+  }
+
+  async loadMore(): Promise<void> {
+    if (this.loading() || !this.hasNext())
+      return;
+
+    this.currentPage += 1;
+    await this.loadResults(false);
+  }
+
+  selectGif(gif: KlipyGif): void {
+    this.gifSelected.emit(gif);
+  }
+
+  close(): void {
+    this.closed.emit(undefined);
+  }
+
+  gifAspectRatio(gif: KlipyGif): string {
+    if (gif.width > 0 && gif.height > 0) {
+      return `${gif.width} / ${gif.height}`;
+    }
+
+    return '1 / 1';
+  }
+
+  gifPreviewUrl(gif: KlipyGif): string {
+    return this.klipy.buildRenderableImageUrl(gif.previewUrl || gif.url);
+  }
+
+  private async loadResults(reset: boolean): Promise<void> {
+    if (reset) {
+      this.currentPage = 1;
+    }
+
+    const requestId = ++this.requestId;
+
+    this.loading.set(true);
+    this.errorMessage.set('');
+
+    try {
+      const response = await firstValueFrom(
+        this.klipy.searchGifs(this.searchQuery, this.currentPage)
+      );
+
+      if (requestId !== this.requestId)
+        return;
+
+      this.results.set(
+        reset
+          ? response.results
+          : this.mergeResults(this.results(), response.results)
+      );
+
+      this.hasNext.set(response.hasNext);
+    } catch (error) {
+      if (requestId !== this.requestId)
+        return;
+
+      this.errorMessage.set(
+        error instanceof Error
+          ? error.message
+          : 'Failed to load GIFs from KLIPY.'
+      );
+
+      if (reset) {
+        this.results.set([]);
+      }
+
+      this.hasNext.set(false);
+    } finally {
+      if (requestId === this.requestId) {
+        this.loading.set(false);
+      }
+    }
+  }
+
+  private mergeResults(existing: KlipyGif[], incoming: KlipyGif[]): KlipyGif[] {
+    const seen = new Set(existing.map((gif) => gif.id));
+    const merged = [...existing];
+
+    for (const gif of incoming) {
+      if (seen.has(gif.id))
+        continue;
+
+      merged.push(gif);
+      seen.add(gif.id);
+    }
+
+    return merged;
+  }
+
+  private clearSearchTimer(): void {
+    if (this.searchTimer) {
+      clearTimeout(this.searchTimer);
+      this.searchTimer = null;
+    }
+  }
+}

src/app/features/server-search/server-search.component.ts

@@ -38,7 +38,11 @@ import { SettingsModalService } from '../../core/services/settings-modal.service
 @Component({
   selector: 'app-server-search',
   standalone: true,
-  imports: [CommonModule, FormsModule, NgIcon],
+  imports: [
+    CommonModule,
+    FormsModule,
+    NgIcon
+  ],
   viewProviders: [
     provideIcons({
       lucideSearch,

src/app/features/servers/servers-rail.component.html

@@ -46,36 +46,21 @@
     (closed)="closeMenu()"
     [width]="'w-44'"
   >
-    @if (isCurrentContextRoom()) {
     <button
       type="button"
-        (click)="leaveServer()"
+      (click)="openLeaveConfirm()"
       class="context-menu-item"
     >
       Leave Server
     </button>
-    }
-    <button
-      type="button"
-      (click)="openForgetConfirm()"
-      class="context-menu-item"
-    >
-      Forget Server
-    </button>
   </app-context-menu>
 }
 
-<!-- Forget confirmation dialog -->
-@if (showConfirm()) {
-  <app-confirm-dialog
-    title="Forget Server?"
-    confirmLabel="Forget"
-    (confirmed)="confirmForget()"
-    (cancelled)="cancelForget()"
-    [widthClass]="'w-[280px]'"
-  >
-    <p>
-      Remove <span class="font-medium text-foreground">{{ contextRoom()?.name }}</span> from your My Servers list.
-    </p>
-  </app-confirm-dialog>
+@if (showLeaveConfirm() && contextRoom()) {
+  <app-leave-server-dialog
+    [room]="contextRoom()!"
+    [currentUser]="currentUser() ?? null"
+    (confirmed)="confirmLeave($event)"
+    (cancelled)="cancelLeave()"
+  />
 }

src/app/features/servers/servers-rail.component.ts

@@ -12,15 +12,22 @@ import { lucidePlus } from '@ng-icons/lucide';
 
 import { Room } from '../../core/models';
 import { selectSavedRooms, selectCurrentRoom } from '../../store/rooms/rooms.selectors';
+import { selectCurrentUser } from '../../store/users/users.selectors';
 import { VoiceSessionService } from '../../core/services/voice-session.service';
 import { WebRTCService } from '../../core/services/webrtc.service';
 import { RoomsActions } from '../../store/rooms/rooms.actions';
-import { ContextMenuComponent, ConfirmDialogComponent } from '../../shared';
+import { ContextMenuComponent, LeaveServerDialogComponent } from '../../shared';
 
 @Component({
   selector: 'app-servers-rail',
   standalone: true,
-  imports: [CommonModule, NgIcon, ContextMenuComponent, ConfirmDialogComponent, NgOptimizedImage],
+  imports: [
+    CommonModule,
+    NgIcon,
+    ContextMenuComponent,
+    LeaveServerDialogComponent,
+    NgOptimizedImage
+  ],
   viewProviders: [provideIcons({ lucidePlus })],
   templateUrl: './servers-rail.component.html'
 })
@@ -40,8 +47,8 @@ export class ServersRailComponent {
   menuX = signal(72); // default X: rail width (~64px) + padding
   menuY = signal(100); // default Y: arbitrary initial offset
   contextRoom = signal<Room | null>(null);
-  // Confirmation dialog state
-  showConfirm = signal(false);
+  showLeaveConfirm = signal(false);
+  currentUser = this.store.selectSignal(selectCurrentUser);
 
   /** Return the first character of a server name as its icon initial. */
   initial(name?: string): string {
@@ -133,38 +140,39 @@ export class ServersRailComponent {
     return !!ctx && !!cur && ctx.id === cur.id;
   }
 
-  /** Leave the current server and navigate to the servers list. */
-  leaveServer(): void {
+  /** Open the unified leave-server confirmation dialog. */
+  openLeaveConfirm(): void {
     this.closeMenu();
-    this.store.dispatch(RoomsActions.leaveRoom());
-    window.dispatchEvent(new CustomEvent('navigate:servers'));
+
+    if (this.contextRoom()) {
+      this.showLeaveConfirm.set(true);
+    }
   }
 
-  /** Show the forget-server confirmation dialog. */
-  openForgetConfirm(): void {
-    this.showConfirm.set(true);
-    this.closeMenu();
-  }
-
-  /** Forget (remove) a server from the saved list, leaving if it is the current room. */
-  confirmForget(): void {
+  /** Confirm the merged leave flow and remove the server locally. */
+  confirmLeave(result: { nextOwnerKey?: string }): void {
     const ctx = this.contextRoom();
 
     if (!ctx)
       return;
 
-    if (this.currentRoom()?.id === ctx.id) {
-      this.store.dispatch(RoomsActions.leaveRoom());
-      window.dispatchEvent(new CustomEvent('navigate:servers'));
+    const isCurrentRoom = this.currentRoom()?.id === ctx.id;
+
+    this.store.dispatch(RoomsActions.forgetRoom({
+      roomId: ctx.id,
+      nextOwnerKey: result.nextOwnerKey
+    }));
+
+    if (isCurrentRoom) {
+      this.router.navigate(['/search']);
     }
 
-    this.store.dispatch(RoomsActions.forgetRoom({ roomId: ctx.id }));
-    this.showConfirm.set(false);
+    this.showLeaveConfirm.set(false);
     this.contextRoom.set(null);
   }
 
-  /** Cancel the forget-server confirmation dialog. */
-  cancelForget(): void {
-    this.showConfirm.set(false);
+  /** Cancel the leave-server confirmation dialog. */
+  cancelLeave(): void {
+    this.showLeaveConfirm.set(false);
   }
 }

src/app/features/settings/settings-modal/settings-modal.component.html

@@ -1,3 +1,4 @@
+<!-- eslint-disable @angular-eslint/template/cyclomatic-complexity -->
 @if (isOpen()) {
   <!-- Backdrop -->
   <div
@@ -15,7 +16,7 @@
   <!-- Modal -->
   <div class="fixed inset-0 z-[91] flex items-center justify-center p-4 pointer-events-none">
     <div
-      class="pointer-events-auto bg-card border border-border rounded-xl shadow-2xl w-full max-w-4xl h-[min(680px,85vh)] flex overflow-hidden transition-all duration-200"
+      class="pointer-events-auto relative bg-card border border-border rounded-xl shadow-2xl w-full max-w-4xl h-[min(680px,85vh)] flex overflow-hidden transition-all duration-200"
       [class.scale-100]="animating()"
       [class.opacity-100]="animating()"
       [class.scale-95]="!animating()"
@@ -97,6 +98,16 @@
             </div>
           }
         </div>
+
+        <div class="mt-auto border-t border-border px-4 py-3">
+          <button
+            type="button"
+            (click)="openThirdPartyLicenses()"
+            class="text-left text-xs text-muted-foreground transition-colors hover:text-foreground hover:underline underline-offset-4"
+          >
+            Third-party licenses
+          </button>
+        </div>
       </nav>
 
       <!-- Content -->
@@ -174,6 +185,68 @@
           }
         </div>
       </div>
+
+      @if (showThirdPartyLicenses()) {
+        <div
+          class="absolute inset-0 z-10 bg-background/70 backdrop-blur-sm"
+          (click)="closeThirdPartyLicenses()"
+          (keydown.enter)="closeThirdPartyLicenses()"
+          (keydown.space)="closeThirdPartyLicenses()"
+          role="button"
+          tabindex="0"
+          aria-label="Close third-party licenses"
+        ></div>
+
+        <div class="pointer-events-none absolute inset-0 z-[11] flex items-center justify-center p-4 sm:p-6">
+          <div class="pointer-events-auto w-full max-w-2xl max-h-full overflow-hidden rounded-xl border border-border bg-card shadow-2xl">
+            <div class="flex items-start justify-between gap-4 border-b border-border px-5 py-4">
+              <div>
+                <h4 class="text-base font-semibold text-foreground">Third-party licenses</h4>
+                <p class="mt-1 text-sm text-muted-foreground">License notices for bundled third-party libraries used by the app.</p>
+              </div>
+
+              <button
+                type="button"
+                (click)="closeThirdPartyLicenses()"
+                class="p-2 hover:bg-secondary rounded-lg transition-colors text-muted-foreground hover:text-foreground"
+                aria-label="Close third-party licenses"
+              >
+                <ng-icon
+                  name="lucideX"
+                  class="w-5 h-5"
+                />
+              </button>
+            </div>
+
+            <div class="max-h-[min(70vh,42rem)] overflow-y-auto px-5 py-4 space-y-4">
+              @for (license of thirdPartyLicenses; track license.id) {
+                <section class="rounded-lg border border-border bg-secondary/20 p-4">
+                  <div class="flex items-start justify-between gap-4">
+                    <div>
+                      <h5 class="text-sm font-semibold text-foreground">{{ license.name }}</h5>
+                      <p class="text-xs text-muted-foreground">{{ license.licenseName }}</p>
+                    </div>
+
+                    <a
+                      [href]="license.sourceUrl"
+                      target="_blank"
+                      rel="noopener noreferrer"
+                      class="text-xs font-medium text-primary hover:underline underline-offset-4"
+                    >
+                      Source
+                    </a>
+                  </div>
+
+                  <pre
+                    class="mt-4 whitespace-pre-wrap break-words rounded-md bg-background/80 px-3 py-2 text-[11px] leading-5 text-muted-foreground"
+                    >{{ license.text }}</pre
+                  >
+                </section>
+              }
+            </div>
+          </div>
+        </div>
+      }
     </div>
   </div>
 }

src/app/features/settings/settings-modal/settings-modal.component.ts

@@ -33,6 +33,7 @@ import { ServerSettingsComponent } from './server-settings/server-settings.compo
 import { MembersSettingsComponent } from './members-settings/members-settings.component';
 import { BansSettingsComponent } from './bans-settings/bans-settings.component';
 import { PermissionsSettingsComponent } from './permissions-settings/permissions-settings.component';
+import { THIRD_PARTY_LICENSES, type ThirdPartyLicense } from './third-party-licenses';
 
 @Component({
   selector: 'app-settings-modal',
@@ -64,6 +65,7 @@ import { PermissionsSettingsComponent } from './permissions-settings/permissions
 export class SettingsModalComponent {
   readonly modal = inject(SettingsModalService);
   private store = inject(Store);
+  readonly thirdPartyLicenses: readonly ThirdPartyLicense[] = THIRD_PARTY_LICENSES;
 
   private permissionsComponent = viewChild<PermissionsSettingsComponent>('permissionsComp');
 
@@ -80,7 +82,8 @@ export class SettingsModalComponent {
   readonly globalPages: { id: SettingsPage; label: string; icon: string }[] = [
     { id: 'network',
       label: 'Network',
-      icon: 'lucideGlobe' }, { id: 'voice',
+      icon: 'lucideGlobe' },
+    { id: 'voice',
       label: 'Voice & Audio',
       icon: 'lucideAudioLines' }
   ];
@@ -128,6 +131,7 @@ export class SettingsModalComponent {
 
   // Animation
   animating = signal(false);
+  showThirdPartyLicenses = signal(false);
 
   constructor() {
     // Sync selected server when modal opens with a target
@@ -164,6 +168,11 @@ export class SettingsModalComponent {
   }
   @HostListener('document:keydown.escape')
   onEscapeKey(): void {
+    if (this.showThirdPartyLicenses()) {
+      this.closeThirdPartyLicenses();
+      return;
+    }
+
     if (this.isOpen()) {
       this.close();
     }
@@ -171,10 +180,19 @@ export class SettingsModalComponent {
 
   // ===== MODAL CONTROLS =====
   close(): void {
+    this.showThirdPartyLicenses.set(false);
     this.animating.set(false);
     setTimeout(() => this.modal.close(), 200);
   }
 
+  openThirdPartyLicenses(): void {
+    this.showThirdPartyLicenses.set(true);
+  }
+
+  closeThirdPartyLicenses(): void {
+    this.showThirdPartyLicenses.set(false);
+  }
+
   navigate(page: SettingsPage): void {
     this.modal.navigate(page);
   }

src/app/features/settings/settings-modal/third-party-licenses.ts

@@ -0,0 +1,44 @@
+export interface ThirdPartyLicense {
+  id: string;
+  name: string;
+  licenseName: string;
+  sourceUrl: string;
+  text: string;
+}
+
+export const THIRD_PARTY_LICENSES: ThirdPartyLicense[] = [
+  {
+    id: 'wavesurfer-js',
+    name: 'wavesurfer.js',
+    licenseName: 'BSD 3-Clause License',
+    sourceUrl: 'https://github.com/katspaugh/wavesurfer.js/blob/main/LICENSE',
+    text: [
+      'BSD 3-Clause License',
+      '',
+      'Copyright (c) 2012-2023, katspaugh and contributors',
+      'All rights reserved.',
+      '',
+      'Redistribution and use in source and binary forms, with or without modification, are permitted provided',
+      'that the following conditions are met:',
+      '',
+      '* Redistributions of source code must retain the above copyright notice, this list of conditions and',
+      '  the following disclaimer.',
+      '',
+      '* Redistributions in binary form must reproduce the above copyright notice, this list of conditions',
+      '  and the following disclaimer in the documentation and/or other materials provided with the',
+      '  distribution.',
+      '',
+      '* Neither the name of the copyright holder nor the names of its contributors may be used to endorse',
+      '  or promote products derived from this software without specific prior written permission.',
+      '',
+      'THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR',
+      'IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND',
+      'FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR',
+      'CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL',
+      'DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,',
+      'DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER',
+      'IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT',
+      'OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.'
+    ].join('\n')
+  }
+];

src/app/features/shell/title-bar.component.html

@@ -134,3 +134,12 @@
     style="-webkit-app-region: no-drag"
   ></div>
 }
+
+@if (showLeaveConfirm() && currentRoom()) {
+  <app-leave-server-dialog
+    [room]="currentRoom()!"
+    [currentUser]="currentUser() ?? null"
+    (confirmed)="confirmLeave($event)"
+    (cancelled)="cancelLeave()"
+  />
+}

src/app/features/shell/title-bar.component.ts

@@ -24,11 +24,16 @@ import { ServerDirectoryService } from '../../core/services/server-directory.ser
 import { WebRTCService } from '../../core/services/webrtc.service';
 import { PlatformService } from '../../core/services/platform.service';
 import { STORAGE_KEY_CURRENT_USER_ID } from '../../core/constants';
+import { LeaveServerDialogComponent } from '../../shared';
 
 @Component({
   selector: 'app-title-bar',
   standalone: true,
-  imports: [CommonModule, NgIcon],
+  imports: [
+    CommonModule,
+    NgIcon,
+    LeaveServerDialogComponent
+  ],
   viewProviders: [
     provideIcons({ lucideMinus,
       lucideSquare,
@@ -52,18 +57,19 @@ export class TitleBarComponent {
   isElectron = computed(() => this.platform.isElectron);
   showMenuState = computed(() => false);
 
-  private currentUserSig = this.store.selectSignal(selectCurrentUser);
-  username = computed(() => this.currentUserSig()?.displayName || 'Guest');
+  currentUser = this.store.selectSignal(selectCurrentUser);
+  username = computed(() => this.currentUser()?.displayName || 'Guest');
   serverName = computed(() => this.serverDirectory.activeServer()?.name || 'No Server');
   isConnected = computed(() => this.webrtc.isConnected());
   isReconnecting = computed(() => !this.webrtc.isConnected() && this.webrtc.hasEverConnected());
-  isAuthed = computed(() => !!this.currentUserSig());
-  private currentRoomSig = this.store.selectSignal(selectCurrentRoom);
-  inRoom = computed(() => !!this.currentRoomSig());
-  roomName = computed(() => this.currentRoomSig()?.name || '');
-  roomDescription = computed(() => this.currentRoomSig()?.description || '');
+  isAuthed = computed(() => !!this.currentUser());
+  currentRoom = this.store.selectSignal(selectCurrentRoom);
+  inRoom = computed(() => !!this.currentRoom());
+  roomName = computed(() => this.currentRoom()?.name || '');
+  roomDescription = computed(() => this.currentRoom()?.description || '');
   private _showMenu = signal(false);
   showMenu = computed(() => this._showMenu());
+  showLeaveConfirm = signal(false);
 
   /** Minimize the Electron window. */
   minimize() {
@@ -94,11 +100,18 @@ export class TitleBarComponent {
     this.router.navigate(['/login']);
   }
 
+  /** Open the unified leave-server confirmation dialog. */
+  private openLeaveConfirm() {
+    this._showMenu.set(false);
+
+    if (this.currentRoom()) {
+      this.showLeaveConfirm.set(true);
+    }
+  }
+
   /** Leave the current room and navigate back to the server search. */
   onBack() {
-    // Leave room to ensure header switches to user/server view
-    this.store.dispatch(RoomsActions.leaveRoom());
-    this.router.navigate(['/search']);
+    this.openLeaveConfirm();
   }
 
   /** Toggle the server dropdown menu. */
@@ -108,9 +121,29 @@ export class TitleBarComponent {
 
   /** Leave the current server and navigate to the servers list. */
   leaveServer() {
-    this._showMenu.set(false);
-    this.store.dispatch(RoomsActions.leaveRoom());
-    window.dispatchEvent(new CustomEvent('navigate:servers'));
+    this.openLeaveConfirm();
+  }
+
+  /** Confirm the unified leave action and remove the server locally. */
+  confirmLeave(result: { nextOwnerKey?: string }) {
+    const roomId = this.currentRoom()?.id;
+
+    this.showLeaveConfirm.set(false);
+
+    if (!roomId)
+      return;
+
+    this.store.dispatch(RoomsActions.forgetRoom({
+      roomId,
+      nextOwnerKey: result.nextOwnerKey
+    }));
+
+    this.router.navigate(['/search']);
+  }
+
+  /** Cancel the leave-server confirmation dialog. */
+  cancelLeave() {
+    this.showLeaveConfirm.set(false);
   }
 
   /** Close the server dropdown menu. */

src/app/features/voice/voice-controls/voice-controls.component.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @typescript-eslint/member-ordering, @typescript-eslint/no-unused-vars */
+/* eslint-disable @typescript-eslint/member-ordering, @typescript-eslint/no-unused-vars, complexity */
 import {
   Component,
   inject,

src/app/shared/components/chat-audio-player/chat-audio-player.component.html

@@ -0,0 +1,129 @@
+<div class="audio-player-shell">
+  <audio
+    #audioEl
+    [src]="src()"
+    preload="metadata"
+    (ended)="onPause()"
+    (loadedmetadata)="onLoadedMetadata()"
+    (pause)="onPause()"
+    (play)="onPlay()"
+    (timeupdate)="onTimeUpdate()"
+    (volumechange)="onVolumeChange()"
+  ></audio>
+
+  <div class="audio-top-bar">
+    <div class="min-w-0 flex-1">
+      <div class="truncate text-sm font-medium text-foreground">{{ filename() }}</div>
+      @if (sizeLabel()) {
+        <div class="text-xs text-muted-foreground">{{ sizeLabel() }}</div>
+      }
+    </div>
+    <button
+      type="button"
+      (click)="requestDownload()"
+      class="audio-control-btn"
+      title="Save to folder"
+      aria-label="Save audio to folder"
+    >
+      <ng-icon
+        name="lucideDownload"
+        class="w-4 h-4"
+      />
+    </button>
+  </div>
+
+  <div class="audio-body">
+    <button
+      type="button"
+      (click)="togglePlayback()"
+      class="audio-play-btn"
+      [title]="isPlaying() ? 'Pause' : 'Play'"
+      [attr.aria-label]="isPlaying() ? 'Pause audio' : 'Play audio'"
+    >
+      <ng-icon
+        [name]="isPlaying() ? 'lucidePause' : 'lucidePlay'"
+        class="w-5 h-5"
+      />
+    </button>
+
+    <div class="audio-main">
+      <div
+        class="audio-waveform-panel"
+        [class.expanded]="waveformExpanded()"
+        [attr.aria-hidden]="!waveformExpanded()"
+      >
+        <div class="audio-waveform-shell">
+          <div
+            #waveformContainer
+            class="audio-waveform-container"
+            [class.invisible]="waveformLoading() || waveformUnavailable()"
+          ></div>
+
+          @if (waveformLoading()) {
+            <div class="audio-waveform-overlay text-muted-foreground">Loading waveform…</div>
+          } @else if (waveformUnavailable()) {
+            <div class="audio-waveform-overlay text-muted-foreground">
+              Couldn’t render a waveform preview for this file, but playback still works.
+            </div>
+          }
+        </div>
+      </div>
+
+      <input
+        type="range"
+        min="0"
+        [max]="durationSeconds() || 0"
+        [value]="currentTimeSeconds()"
+        (input)="onSeek($event)"
+        class="seek-slider"
+        [style.background]="seekTrackBackground()"
+        aria-label="Seek audio"
+      />
+
+      <div class="audio-controls-row">
+        <span class="audio-time-label"> {{ formatTime(currentTimeSeconds()) }} / {{ formatTime(durationSeconds()) }} </span>
+
+        <div class="audio-actions-group">
+          <div class="audio-volume-group">
+            <button
+              type="button"
+              (click)="toggleMute()"
+              class="audio-control-btn"
+              [title]="isMuted() ? 'Unmute' : 'Mute'"
+              [attr.aria-label]="isMuted() ? 'Unmute audio' : 'Mute audio'"
+            >
+              <ng-icon
+                [name]="isMuted() ? 'lucideVolumeX' : 'lucideVolume2'"
+                class="w-4 h-4"
+              />
+            </button>
+
+            <input
+              type="range"
+              min="0"
+              max="100"
+              [value]="displayVolumePercent()"
+              (input)="onVolumeInput($event)"
+              class="volume-slider"
+              [style.background]="volumeTrackBackground()"
+              aria-label="Audio volume"
+            />
+          </div>
+
+          <button
+            type="button"
+            (click)="toggleWaveform()"
+            class="audio-control-btn"
+            [title]="waveformExpanded() ? 'Hide waveform' : 'Show waveform'"
+            [attr.aria-label]="waveformExpanded() ? 'Hide waveform' : 'Show waveform'"
+          >
+            <ng-icon
+              [name]="waveformToggleIcon()"
+              class="w-4 h-4"
+            />
+          </button>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>

src/app/shared/components/chat-audio-player/chat-audio-player.component.scss

@@ -0,0 +1,255 @@
+:host {
+  display: block;
+  max-width: 40rem;
+}
+
+.audio-player-shell {
+  overflow: hidden;
+  border: 1px solid hsl(var(--border));
+  border-radius: calc(var(--radius) + 2px);
+  background:
+    radial-gradient(circle at top left, hsl(var(--primary) / 0.14), transparent 42%),
+    linear-gradient(180deg, hsl(var(--card)) 0%, hsl(var(--secondary) / 0.55) 100%);
+  box-shadow: 0 10px 28px rgb(0 0 0 / 18%);
+}
+
+.audio-top-bar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  padding: 0.875rem 0.875rem 0.625rem;
+}
+
+.audio-body {
+  display: flex;
+  align-items: stretch;
+  gap: 0.875rem;
+  padding: 0 0.875rem 0.875rem;
+}
+
+.audio-play-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 3.25rem;
+  height: 3.25rem;
+  min-width: 3.25rem;
+  border: 1px solid hsl(var(--primary) / 0.35);
+  border-radius: 9999px;
+  color: hsl(var(--primary-foreground));
+  background: linear-gradient(180deg, hsl(var(--primary)) 0%, hsl(var(--primary) / 0.76) 100%);
+  box-shadow: 0 10px 22px rgb(0 0 0 / 16%);
+  transition:
+    transform 0.16s ease,
+    filter 0.16s ease;
+}
+
+.audio-play-btn:hover {
+  transform: translateY(-1px);
+  filter: brightness(1.04);
+}
+
+.audio-main {
+  min-width: 0;
+  flex: 1;
+}
+
+.audio-waveform-panel {
+  max-height: 0;
+  opacity: 0;
+  overflow: hidden;
+  transition:
+    max-height 0.2s ease,
+    opacity 0.2s ease,
+    margin-bottom 0.2s ease;
+}
+
+.audio-waveform-panel.expanded {
+  max-height: 5.5rem;
+  opacity: 1;
+  margin-bottom: 0.75rem;
+}
+
+.audio-waveform-shell {
+  position: relative;
+  overflow: hidden;
+  height: 4.5rem;
+  padding: 0.5rem 0.625rem;
+  border: 1px solid hsl(var(--border) / 0.8);
+  border-radius: 0.95rem;
+  background:
+    linear-gradient(180deg, hsl(var(--background) / 0.72) 0%, hsl(var(--secondary) / 0.28) 100%);
+}
+
+.audio-waveform-container {
+  width: 100%;
+  height: 100%;
+}
+
+.audio-waveform-container.invisible {
+  opacity: 0;
+}
+
+.audio-waveform-container ::part(wrapper) {
+  cursor: pointer;
+}
+
+.audio-waveform-container ::part(cursor) {
+  display: none;
+}
+
+.audio-waveform-overlay {
+  position: absolute;
+  inset: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0.75rem;
+  text-align: center;
+  font-size: 0.6875rem;
+  line-height: 1.35;
+  pointer-events: none;
+}
+
+.audio-controls-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  margin-top: 0.625rem;
+}
+
+.audio-time-label {
+  color: hsl(var(--muted-foreground));
+  font-size: 0.75rem;
+  font-variant-numeric: tabular-nums;
+  white-space: nowrap;
+}
+
+.audio-actions-group {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.audio-volume-group {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.audio-control-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 2.25rem;
+  height: 2.25rem;
+  border: 1px solid hsl(var(--border) / 0.8);
+  border-radius: 9999px;
+  color: hsl(var(--foreground));
+  background: hsl(var(--card) / 0.72);
+  transition:
+    background-color 0.16s ease,
+    border-color 0.16s ease,
+    transform 0.16s ease;
+}
+
+.audio-control-btn:hover {
+  border-color: hsl(var(--primary) / 0.75);
+  background: hsl(var(--primary) / 0.14);
+  transform: translateY(-1px);
+}
+
+.seek-slider,
+.volume-slider {
+  -webkit-appearance: none;
+  appearance: none;
+  outline: none;
+  cursor: pointer;
+}
+
+.seek-slider {
+  width: 100%;
+  height: 6px;
+  margin-top: 0.75rem;
+  border-radius: 9999px;
+}
+
+.volume-slider {
+  width: 5.5rem;
+  height: 6px;
+  border-radius: 9999px;
+}
+
+.seek-slider::-webkit-slider-runnable-track,
+.volume-slider::-webkit-slider-runnable-track {
+  height: 6px;
+  border-radius: 9999px;
+  background: transparent;
+}
+
+.seek-slider::-webkit-slider-thumb,
+.volume-slider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 14px;
+  height: 14px;
+  margin-top: -4px;
+  border: 2px solid hsl(var(--card));
+  border-radius: 50%;
+  background: hsl(var(--primary));
+  box-shadow: 0 1px 3px rgb(0 0 0 / 30%);
+}
+
+.seek-slider::-moz-range-track,
+.volume-slider::-moz-range-track {
+  height: 6px;
+  border: none;
+  border-radius: 9999px;
+  background: hsl(var(--secondary));
+}
+
+.seek-slider::-moz-range-thumb,
+.volume-slider::-moz-range-thumb {
+  width: 14px;
+  height: 14px;
+  border: 2px solid hsl(var(--card));
+  border-radius: 50%;
+  background: hsl(var(--primary));
+  box-shadow: 0 1px 3px rgb(0 0 0 / 30%);
+}
+
+@keyframes audio-wave-motion {
+  from {
+    transform: translateX(0);
+  }
+
+  to {
+    transform: translateX(-16px);
+  }
+}
+
+@media (width <= 640px) {
+  .audio-body {
+    gap: 0.75rem;
+  }
+
+  .audio-play-btn {
+    width: 3rem;
+    height: 3rem;
+    min-width: 3rem;
+  }
+
+  .audio-volume-group {
+    display: none;
+  }
+
+  .audio-waveform-shell {
+    height: 3.75rem;
+  }
+
+  .audio-controls-row {
+    margin-top: 0.5rem;
+  }
+}

src/app/shared/components/chat-audio-player/chat-audio-player.component.ts

@@ -0,0 +1,381 @@
+import {
+  Component,
+  ElementRef,
+  OnDestroy,
+  ViewChild,
+  computed,
+  effect,
+  input,
+  output,
+  signal
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { NgIcon, provideIcons } from '@ng-icons/core';
+import type WaveSurfer from 'wavesurfer.js';
+import {
+  lucideChevronDown,
+  lucideChevronUp,
+  lucideDownload,
+  lucidePause,
+  lucidePlay,
+  lucideVolume2,
+  lucideVolumeX
+} from '@ng-icons/lucide';
+
+const AUDIO_PLAYER_VOLUME_STORAGE_KEY = 'metoyou_audio_player_volume';
+const DEFAULT_AUDIO_PLAYER_VOLUME_PERCENT = 50;
+
+function getInitialSharedAudioPlayerVolume(): number {
+  if (typeof window === 'undefined')
+    return DEFAULT_AUDIO_PLAYER_VOLUME_PERCENT;
+
+  try {
+    const raw = window.localStorage.getItem(AUDIO_PLAYER_VOLUME_STORAGE_KEY);
+    const parsed = Number(raw);
+
+    if (Number.isFinite(parsed) && parsed > 0 && parsed <= 100)
+      return parsed;
+  } catch { /* ignore storage access issues */ }
+
+  return DEFAULT_AUDIO_PLAYER_VOLUME_PERCENT;
+}
+
+function persistSharedAudioPlayerVolume(volumePercent: number): void {
+  if (typeof window === 'undefined')
+    return;
+
+  try {
+    window.localStorage.setItem(AUDIO_PLAYER_VOLUME_STORAGE_KEY, String(volumePercent));
+  } catch { /* ignore storage access issues */ }
+}
+
+@Component({
+  selector: 'app-chat-audio-player',
+  standalone: true,
+  imports: [CommonModule, NgIcon],
+  viewProviders: [
+    provideIcons({
+      lucideChevronDown,
+      lucideChevronUp,
+      lucideDownload,
+      lucidePause,
+      lucidePlay,
+      lucideVolume2,
+      lucideVolumeX
+    })
+  ],
+  templateUrl: './chat-audio-player.component.html',
+  styleUrl: './chat-audio-player.component.scss'
+})
+/* eslint-disable @typescript-eslint/member-ordering */
+export class ChatAudioPlayerComponent implements OnDestroy {
+  src = input.required<string>();
+  filename = input.required<string>();
+  sizeLabel = input<string>('');
+  downloadRequested = output<undefined>();
+
+  @ViewChild('audioEl') audioRef?: ElementRef<HTMLAudioElement>;
+  @ViewChild('waveformContainer') waveformContainer?: ElementRef<HTMLDivElement>;
+
+  isPlaying = signal(false);
+  isMuted = signal(false);
+  waveformExpanded = signal(false);
+  waveformLoading = signal(false);
+  waveformUnavailable = signal(false);
+  currentTimeSeconds = signal(0);
+  durationSeconds = signal(0);
+  volumePercent = signal(getInitialSharedAudioPlayerVolume());
+  private lastNonZeroVolume = signal(getInitialSharedAudioPlayerVolume());
+  private waveSurfer: WaveSurfer | null = null;
+
+  progressPercent = computed(() => {
+    const duration = this.durationSeconds();
+
+    if (duration <= 0)
+      return 0;
+
+    return (this.currentTimeSeconds() / duration) * 100;
+  });
+  seekTrackBackground = computed(() => this.buildSliderBackground(this.progressPercent()));
+  waveformToggleIcon = computed(() => this.waveformExpanded() ? 'lucideChevronUp' : 'lucideChevronDown');
+  displayVolumePercent = computed(() => this.isMuted() ? 0 : this.volumePercent());
+  volumeTrackBackground = computed(() => {
+    const volume = Math.max(0, Math.min(100, this.displayVolumePercent()));
+
+    return this.buildSliderBackground(volume);
+  });
+
+  constructor() {
+    effect(() => {
+      void this.src();
+      const storedVolume = getInitialSharedAudioPlayerVolume();
+
+      this.destroyWaveSurfer();
+      this.waveformExpanded.set(false);
+      this.waveformLoading.set(false);
+      this.waveformUnavailable.set(false);
+      this.currentTimeSeconds.set(0);
+      this.durationSeconds.set(0);
+      this.isPlaying.set(false);
+      this.isMuted.set(false);
+      this.volumePercent.set(storedVolume);
+      this.lastNonZeroVolume.set(storedVolume);
+    });
+  }
+
+  ngOnDestroy(): void {
+    this.destroyWaveSurfer();
+  }
+
+  togglePlayback(): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    if (audio.paused || audio.ended) {
+      void audio.play().catch(() => {
+        this.isPlaying.set(false);
+      });
+
+      return;
+    }
+
+    audio.pause();
+  }
+
+  toggleWaveform(): void {
+    const nextExpanded = !this.waveformExpanded();
+
+    this.waveformExpanded.set(nextExpanded);
+
+    if (nextExpanded) {
+      requestAnimationFrame(() => {
+        void this.ensureWaveformLoaded();
+      });
+    }
+  }
+
+  onLoadedMetadata(): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    this.applyAudioVolume(this.volumePercent());
+    this.durationSeconds.set(Number.isFinite(audio.duration) ? audio.duration : 0);
+    this.currentTimeSeconds.set(audio.currentTime || 0);
+  }
+
+  onTimeUpdate(): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    this.currentTimeSeconds.set(audio.currentTime || 0);
+  }
+
+  onPlay(): void {
+    this.isPlaying.set(true);
+  }
+
+  onPause(): void {
+    this.isPlaying.set(false);
+  }
+
+  onSeek(event: Event): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    const nextTime = Number((event.target as HTMLInputElement).value);
+
+    if (!Number.isFinite(nextTime))
+      return;
+
+    audio.currentTime = nextTime;
+    this.currentTimeSeconds.set(nextTime);
+  }
+
+  onVolumeInput(event: Event): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    const nextVolume = Math.max(0, Math.min(100, Number((event.target as HTMLInputElement).value)));
+
+    if (nextVolume <= 0) {
+      audio.volume = 0;
+      audio.muted = true;
+      this.isMuted.set(true);
+      return;
+    }
+
+    audio.volume = nextVolume / 100;
+    audio.muted = false;
+
+    this.volumePercent.set(nextVolume);
+    this.lastNonZeroVolume.set(nextVolume);
+    this.isMuted.set(false);
+    this.setSharedVolume(nextVolume);
+  }
+
+  onVolumeChange(): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    this.isMuted.set(audio.muted || audio.volume === 0);
+
+    if (!audio.muted && audio.volume > 0) {
+      const volume = Math.round(audio.volume * 100);
+
+      this.volumePercent.set(volume);
+      this.lastNonZeroVolume.set(volume);
+      this.setSharedVolume(volume);
+    }
+  }
+
+  toggleMute(): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    if (audio.muted || audio.volume === 0) {
+      const restoredVolume = Math.max(this.lastNonZeroVolume(), 1);
+
+      audio.muted = false;
+      audio.volume = restoredVolume / 100;
+      this.volumePercent.set(restoredVolume);
+      this.isMuted.set(false);
+      this.setSharedVolume(restoredVolume);
+      return;
+    }
+
+    audio.muted = true;
+    this.isMuted.set(true);
+  }
+
+  requestDownload(): void {
+    this.downloadRequested.emit(undefined);
+  }
+
+  private async ensureWaveformLoaded(): Promise<void> {
+    if (this.waveformLoading() || this.waveSurfer || this.waveformUnavailable())
+      return;
+
+    const source = this.src();
+    const audio = this.audioRef?.nativeElement;
+    const waveformContainer = this.waveformContainer?.nativeElement;
+
+    if (!source || !audio || !waveformContainer)
+      return;
+
+    this.waveformLoading.set(true);
+
+    try {
+      const { default: WaveSurfer } = await import('wavesurfer.js');
+
+      this.waveSurfer = WaveSurfer.create({
+        barGap: 2,
+        barRadius: 999,
+        barWidth: 3,
+        container: waveformContainer,
+        cursorWidth: 0,
+        dragToSeek: true,
+        height: 56,
+        hideScrollbar: true,
+        interact: true,
+        media: audio,
+        normalize: true,
+        progressColor: this.resolveThemeColor('--primary', 'hsl(262 83% 58%)', 0.9),
+        waveColor: this.resolveThemeColor('--foreground', 'hsl(215 16% 47%)', 0.22)
+      });
+
+      this.waveSurfer.on('error', () => {
+        this.waveformLoading.set(false);
+        this.waveformUnavailable.set(true);
+        this.destroyWaveSurfer();
+      });
+
+      this.waveSurfer.on('ready', () => {
+        this.waveformLoading.set(false);
+        this.waveformUnavailable.set(false);
+      });
+    } catch {
+      this.destroyWaveSurfer();
+      this.waveformUnavailable.set(true);
+    } finally {
+      if (this.waveformUnavailable()) {
+        this.waveformLoading.set(false);
+      }
+    }
+  }
+
+  private destroyWaveSurfer(): void {
+    if (!this.waveSurfer)
+      return;
+
+    this.waveSurfer.destroy();
+    this.waveSurfer = null;
+  }
+
+  private resolveThemeColor(cssVarName: string, fallback: string, alpha: number): string {
+    if (typeof window === 'undefined')
+      return fallback;
+
+    const rawValue = window.getComputedStyle(document.documentElement)
+      .getPropertyValue(cssVarName)
+      .trim();
+
+    if (!rawValue)
+      return fallback;
+
+    return `hsl(${rawValue} / ${alpha})`;
+  }
+
+  private applyAudioVolume(volumePercent: number): void {
+    const audio = this.audioRef?.nativeElement;
+
+    if (!audio)
+      return;
+
+    audio.volume = this.isMuted() ? 0 : volumePercent / 100;
+    audio.muted = this.isMuted();
+  }
+
+  private setSharedVolume(volumePercent: number): void {
+    persistSharedAudioPlayerVolume(volumePercent);
+  }
+
+  private buildSliderBackground(fillPercent: number): string {
+    return [
+      'linear-gradient(90deg, ',
+      'hsl(var(--primary)) 0%, ',
+      `hsl(var(--primary)) ${fillPercent}%, `,
+      `hsl(var(--secondary)) ${fillPercent}%, `,
+      'hsl(var(--secondary)) 100%)'
+    ].join('');
+  }
+
+  formatTime(seconds: number): string {
+    if (!Number.isFinite(seconds) || seconds < 0)
+      return '0:00';
+
+    const totalSeconds = Math.floor(seconds);
+    const hours = Math.floor(totalSeconds / 3600);
+    const minutes = Math.floor((totalSeconds % 3600) / 60);
+    const remainingSeconds = totalSeconds % 60;
+
+    if (hours > 0) {
+      return `${hours}:${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
+    }
+
+    return `${minutes}:${remainingSeconds.toString().padStart(2, '0')}`;
+  }
+}

src/app/shared/components/chat-video-player/chat-video-player.component.html

@@ -0,0 +1,160 @@
+<div
+  #playerRoot
+  class="video-player-shell"
+  [class.fullscreen]="isFullscreen()"
+  [class.controls-hidden]="isFullscreen() && !controlsVisible()"
+  (mousemove)="onPlayerMouseMove()"
+>
+  @if (!isFullscreen()) {
+    <div class="video-top-bar">
+      <div class="min-w-0 flex-1">
+        <div class="truncate text-sm font-medium text-foreground">{{ filename() }}</div>
+        @if (sizeLabel()) {
+          <div class="text-xs text-muted-foreground">{{ sizeLabel() }}</div>
+        }
+      </div>
+      <button
+        type="button"
+        (click)="requestDownload()"
+        class="video-control-btn"
+        title="Save to folder"
+        aria-label="Save video to folder"
+      >
+        <ng-icon
+          name="lucideDownload"
+          class="w-4 h-4"
+        />
+      </button>
+    </div>
+  }
+
+  <div
+    class="video-stage"
+    (click)="onVideoClick()"
+    (dblclick)="onVideoDoubleClick($event)"
+    (keydown.enter)="onVideoClick()"
+    (keydown.space)="onVideoClick(); $event.preventDefault()"
+    role="button"
+    tabindex="0"
+    aria-label="Toggle video playback"
+  >
+    <video
+      #videoEl
+      [src]="src()"
+      playsinline
+      preload="metadata"
+      class="chat-video-element"
+      (ended)="onPause()"
+      (loadedmetadata)="onLoadedMetadata()"
+      (pause)="onPause()"
+      (play)="onPlay()"
+      (timeupdate)="onTimeUpdate()"
+      (volumechange)="onVolumeChange()"
+    ></video>
+
+    @if (!isPlaying()) {
+      <button
+        type="button"
+        (click)="onOverlayPlayClick($event)"
+        class="video-play-overlay"
+        title="Play video"
+        aria-label="Play video"
+      >
+        <ng-icon
+          name="lucidePlay"
+          class="w-8 h-8"
+        />
+      </button>
+    }
+  </div>
+
+  <div
+    class="video-bottom-bar"
+    [class.fullscreen-overlay]="isFullscreen()"
+    [class.hidden-overlay]="isFullscreen() && !controlsVisible()"
+  >
+    <input
+      type="range"
+      min="0"
+      [max]="durationSeconds() || 0"
+      [value]="currentTimeSeconds()"
+      (input)="onSeek($event)"
+      class="seek-slider"
+      [style.background]="seekTrackBackground()"
+      aria-label="Seek video"
+    />
+
+    <div class="video-controls-row">
+      <div class="flex items-center gap-2 min-w-0 flex-1">
+        <button
+          type="button"
+          (click)="togglePlayback()"
+          class="video-control-btn"
+          [title]="isPlaying() ? 'Pause' : 'Play'"
+          [attr.aria-label]="isPlaying() ? 'Pause video' : 'Play video'"
+        >
+          <ng-icon
+            [name]="isPlaying() ? 'lucidePause' : 'lucidePlay'"
+            class="w-4 h-4"
+          />
+        </button>
+
+        <span class="video-time-label"> {{ formatTime(currentTimeSeconds()) }} / {{ formatTime(durationSeconds()) }} </span>
+      </div>
+
+      <div class="video-volume-group">
+        <button
+          type="button"
+          (click)="toggleMute()"
+          class="video-control-btn"
+          [title]="isMuted() ? 'Unmute' : 'Mute'"
+          [attr.aria-label]="isMuted() ? 'Unmute video' : 'Mute video'"
+        >
+          <ng-icon
+            [name]="isMuted() ? 'lucideVolumeX' : 'lucideVolume2'"
+            class="w-4 h-4"
+          />
+        </button>
+
+        <input
+          type="range"
+          min="0"
+          max="100"
+          [value]="isMuted() ? 0 : volumePercent()"
+          (input)="onVolumeInput($event)"
+          class="volume-slider"
+          [style.background]="volumeTrackBackground()"
+          aria-label="Video volume"
+        />
+      </div>
+
+      @if (isFullscreen()) {
+        <button
+          type="button"
+          (click)="requestDownload()"
+          class="video-control-btn"
+          title="Save to folder"
+          aria-label="Save video to folder"
+        >
+          <ng-icon
+            name="lucideDownload"
+            class="w-4 h-4"
+          />
+        </button>
+      }
+
+      <button
+        type="button"
+        (click)="toggleFullscreen()"
+        class="video-control-btn"
+        [title]="isFullscreen() ? 'Exit fullscreen' : 'Fullscreen'"
+        [attr.aria-label]="isFullscreen() ? 'Exit fullscreen' : 'Enter fullscreen'"
+      >
+        <ng-icon
+          [name]="isFullscreen() ? 'lucideMinimize' : 'lucideMaximize'"
+          class="w-4 h-4"
+        />
+      </button>
+    </div>
+  </div>
+</div>

src/app/shared/components/chat-video-player/chat-video-player.component.scss

@@ -0,0 +1,243 @@
+:host {
+  display: block;
+  max-width: 40rem;
+}
+
+.video-player-shell {
+  position: relative;
+  overflow: hidden;
+  border: 1px solid hsl(var(--border));
+  border-radius: calc(var(--radius) + 2px);
+  background:
+    radial-gradient(circle at top, hsl(var(--primary) / 0.16), transparent 38%),
+    linear-gradient(180deg, hsl(var(--card)) 0%, hsl(222deg 47% 8%) 100%);
+  box-shadow: 0 10px 30px rgb(0 0 0 / 25%);
+}
+
+.video-player-shell.fullscreen {
+  width: 100vw;
+  height: 100vh;
+  max-width: none;
+  border: none;
+  border-radius: 0;
+  background: rgb(0 0 0);
+}
+
+.video-top-bar,
+.video-bottom-bar {
+  position: relative;
+  z-index: 2;
+  backdrop-filter: blur(18px);
+  -webkit-backdrop-filter: blur(18px);
+}
+
+.video-top-bar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  padding: 0.875rem 0.875rem 0.625rem;
+  background: linear-gradient(180deg, rgb(6 10 18 / 82%) 0%, rgb(6 10 18 / 30%) 100%);
+}
+
+.video-stage {
+  position: relative;
+  background: rgb(0 0 0 / 40%);
+}
+
+.video-player-shell.fullscreen .video-stage {
+  height: 100vh;
+  background: rgb(0 0 0);
+}
+
+.video-player-shell.fullscreen.controls-hidden .video-stage,
+.video-player-shell.fullscreen.controls-hidden .chat-video-element {
+  cursor: none;
+}
+
+.chat-video-element {
+  display: block;
+  width: 100%;
+  max-height: min(28rem, 70vh);
+  background: rgb(0 0 0 / 85%);
+  cursor: pointer;
+  object-fit: contain;
+}
+
+.video-player-shell.fullscreen .chat-video-element {
+  width: 100vw;
+  height: 100vh;
+  max-height: 100vh;
+}
+
+.video-play-overlay {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 4rem;
+  height: 4rem;
+  transform: translate(-50%, -50%);
+  border: 1px solid hsl(var(--border) / 0.8);
+  border-radius: 9999px;
+  color: hsl(var(--primary-foreground));
+  background: rgb(8 14 24 / 78%);
+  box-shadow: 0 12px 24px rgb(0 0 0 / 35%);
+  transition:
+    transform 0.16s ease,
+    background-color 0.16s ease;
+}
+
+.video-play-overlay:hover {
+  transform: translate(-50%, -50%) scale(1.05);
+  background: rgb(12 18 30 / 88%);
+}
+
+.video-bottom-bar {
+  padding: 0.75rem 0.875rem 0.875rem;
+  background: linear-gradient(180deg, rgb(6 10 18 / 38%) 0%, rgb(6 10 18 / 86%) 100%);
+}
+
+.video-bottom-bar.fullscreen-overlay {
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 3;
+  padding-bottom: max(0.875rem, env(safe-area-inset-bottom));
+  transition:
+    opacity 0.2s ease,
+    transform 0.2s ease;
+}
+
+.video-bottom-bar.hidden-overlay {
+  opacity: 0;
+  transform: translateY(1rem);
+  pointer-events: none;
+}
+
+.video-controls-row {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  margin-top: 0.625rem;
+}
+
+.video-control-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 2.25rem;
+  height: 2.25rem;
+  border: 1px solid hsl(var(--border) / 0.8);
+  border-radius: 9999px;
+  color: hsl(var(--foreground));
+  background: hsl(var(--card) / 0.72);
+  transition:
+    background-color 0.16s ease,
+    border-color 0.16s ease,
+    transform 0.16s ease;
+}
+
+.video-control-btn:hover {
+  border-color: hsl(var(--primary) / 0.75);
+  background: hsl(var(--primary) / 0.14);
+  transform: translateY(-1px);
+}
+
+.video-time-label {
+  color: hsl(var(--muted-foreground));
+  font-size: 0.75rem;
+  font-variant-numeric: tabular-nums;
+  white-space: nowrap;
+}
+
+.video-volume-group {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.seek-slider,
+.volume-slider {
+  -webkit-appearance: none;
+  appearance: none;
+  outline: none;
+  cursor: pointer;
+}
+
+.seek-slider {
+  width: 100%;
+  height: 6px;
+  border-radius: 9999px;
+  background: linear-gradient(90deg, hsl(var(--primary)) 0%, hsl(var(--primary)) var(--value, 0%), hsl(var(--secondary)) var(--value, 0%), hsl(var(--secondary)) 100%);
+}
+
+.volume-slider {
+  width: 5.5rem;
+  height: 6px;
+  border-radius: 9999px;
+  background: hsl(var(--secondary));
+}
+
+.seek-slider::-webkit-slider-runnable-track,
+.volume-slider::-webkit-slider-runnable-track {
+  height: 6px;
+  border-radius: 9999px;
+  background: transparent;
+}
+
+.seek-slider::-webkit-slider-thumb,
+.volume-slider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 14px;
+  height: 14px;
+  margin-top: -4px;
+  border: 2px solid hsl(var(--card));
+  border-radius: 50%;
+  background: hsl(var(--primary));
+  box-shadow: 0 1px 3px rgb(0 0 0 / 30%);
+}
+
+.seek-slider::-moz-range-track,
+.volume-slider::-moz-range-track {
+  height: 6px;
+  border: none;
+  border-radius: 9999px;
+  background: hsl(var(--secondary));
+}
+
+.seek-slider::-moz-range-thumb,
+.volume-slider::-moz-range-thumb {
+  width: 14px;
+  height: 14px;
+  border: 2px solid hsl(var(--card));
+  border-radius: 50%;
+  background: hsl(var(--primary));
+  box-shadow: 0 1px 3px rgb(0 0 0 / 30%);
+}
+
+@media (width <= 640px) {
+  .video-top-bar {
+    padding-inline: 0.75rem;
+  }
+
+  .video-bottom-bar {
+    padding-inline: 0.75rem;
+  }
+
+  .video-controls-row {
+    gap: 0.5rem;
+  }
+
+  .video-volume-group {
+    display: none;
+  }
+
+  .video-time-label {
+    font-size: 0.6875rem;
+  }
+}

src/app/shared/components/chat-video-player/chat-video-player.component.ts

@@ -0,0 +1,327 @@
+import {
+  Component,
+  ElementRef,
+  HostListener,
+  OnDestroy,
+  ViewChild,
+  computed,
+  input,
+  output,
+  signal
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { NgIcon, provideIcons } from '@ng-icons/core';
+import {
+  lucideDownload,
+  lucideMaximize,
+  lucideMinimize,
+  lucidePause,
+  lucidePlay,
+  lucideVolume2,
+  lucideVolumeX
+} from '@ng-icons/lucide';
+
+@Component({
+  selector: 'app-chat-video-player',
+  standalone: true,
+  imports: [CommonModule, NgIcon],
+  viewProviders: [
+    provideIcons({
+      lucideDownload,
+      lucideMaximize,
+      lucideMinimize,
+      lucidePause,
+      lucidePlay,
+      lucideVolume2,
+      lucideVolumeX
+    })
+  ],
+  templateUrl: './chat-video-player.component.html',
+  styleUrl: './chat-video-player.component.scss'
+})
+/* eslint-disable @typescript-eslint/member-ordering */
+export class ChatVideoPlayerComponent implements OnDestroy {
+  src = input.required<string>();
+  filename = input.required<string>();
+  sizeLabel = input<string>('');
+  downloadRequested = output<undefined>();
+
+  private readonly SINGLE_CLICK_DELAY_MS = 300;
+  private readonly FULLSCREEN_IDLE_MS = 2200;
+
+  @ViewChild('playerRoot') playerRoot?: ElementRef<HTMLDivElement>;
+  @ViewChild('videoEl') videoRef?: ElementRef<HTMLVideoElement>;
+
+  isPlaying = signal(false);
+  isMuted = signal(false);
+  isFullscreen = signal(false);
+  controlsVisible = signal(true);
+  currentTimeSeconds = signal(0);
+  durationSeconds = signal(0);
+  volumePercent = signal(100);
+  private lastNonZeroVolume = signal(100);
+  private singleClickTimer: ReturnType<typeof setTimeout> | null = null;
+  private controlsHideTimer: ReturnType<typeof setTimeout> | null = null;
+
+  progressPercent = computed(() => {
+    const duration = this.durationSeconds();
+
+    if (duration <= 0)
+      return 0;
+
+    return (this.currentTimeSeconds() / duration) * 100;
+  });
+  seekTrackBackground = computed(() => {
+    const progress = Math.max(0, Math.min(100, this.progressPercent()));
+
+    return this.buildSliderBackground(progress);
+  });
+  volumeTrackBackground = computed(() => {
+    const volume = Math.max(0, Math.min(100, this.isMuted() ? 0 : this.volumePercent()));
+
+    return this.buildSliderBackground(volume);
+  });
+
+  @HostListener('document:fullscreenchange')
+  onFullscreenChange(): void {
+    const player = this.playerRoot?.nativeElement;
+    const isFullscreen = !!player && document.fullscreenElement === player;
+
+    this.isFullscreen.set(isFullscreen);
+
+    if (isFullscreen) {
+      this.revealControlsTemporarily();
+      return;
+    }
+
+    this.controlsVisible.set(true);
+    this.clearControlsHideTimer();
+  }
+
+  ngOnDestroy(): void {
+    this.clearControlsHideTimer();
+    this.clearSingleClickTimer();
+  }
+
+  onPlayerMouseMove(): void {
+    if (!this.isFullscreen())
+      return;
+
+    this.revealControlsTemporarily();
+  }
+
+  onVideoClick(): void {
+    this.clearSingleClickTimer();
+    this.revealControlsTemporarily();
+    this.singleClickTimer = setTimeout(() => {
+      this.singleClickTimer = null;
+      this.togglePlayback();
+    }, this.SINGLE_CLICK_DELAY_MS);
+  }
+
+  onVideoDoubleClick(event: MouseEvent): void {
+    event.preventDefault();
+    event.stopPropagation();
+    this.clearSingleClickTimer();
+    void this.toggleFullscreen();
+  }
+
+  onOverlayPlayClick(event: MouseEvent): void {
+    event.stopPropagation();
+    this.togglePlayback();
+  }
+
+  togglePlayback(): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    if (video.paused || video.ended) {
+      void video.play().catch(() => {
+        this.isPlaying.set(false);
+      });
+
+      return;
+    }
+
+    video.pause();
+    this.revealControlsTemporarily();
+  }
+
+  onLoadedMetadata(): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    this.durationSeconds.set(Number.isFinite(video.duration) ? video.duration : 0);
+    this.currentTimeSeconds.set(video.currentTime || 0);
+  }
+
+  onTimeUpdate(): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    this.currentTimeSeconds.set(video.currentTime || 0);
+  }
+
+  onPlay(): void {
+    this.isPlaying.set(true);
+    this.revealControlsTemporarily();
+  }
+
+  onPause(): void {
+    this.isPlaying.set(false);
+    this.revealControlsTemporarily();
+  }
+
+  onSeek(event: Event): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    const nextTime = Number((event.target as HTMLInputElement).value);
+
+    if (!Number.isFinite(nextTime))
+      return;
+
+    video.currentTime = nextTime;
+    this.currentTimeSeconds.set(nextTime);
+    this.revealControlsTemporarily();
+  }
+
+  onVolumeInput(event: Event): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    const nextVolume = Math.max(0, Math.min(100, Number((event.target as HTMLInputElement).value)));
+
+    video.volume = nextVolume / 100;
+    video.muted = nextVolume === 0;
+
+    if (nextVolume > 0)
+      this.lastNonZeroVolume.set(nextVolume);
+
+    this.volumePercent.set(nextVolume);
+    this.isMuted.set(video.muted);
+    this.revealControlsTemporarily();
+  }
+
+  onVolumeChange(): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    this.isMuted.set(video.muted || video.volume === 0);
+
+    if (!video.muted && video.volume > 0) {
+      const volume = Math.round(video.volume * 100);
+
+      this.volumePercent.set(volume);
+      this.lastNonZeroVolume.set(volume);
+    }
+
+    this.revealControlsTemporarily();
+  }
+
+  toggleMute(): void {
+    const video = this.videoRef?.nativeElement;
+
+    if (!video)
+      return;
+
+    if (video.muted || video.volume === 0) {
+      const restoredVolume = Math.max(this.lastNonZeroVolume(), 1);
+
+      video.muted = false;
+      video.volume = restoredVolume / 100;
+      this.volumePercent.set(restoredVolume);
+      this.isMuted.set(false);
+      this.revealControlsTemporarily();
+      return;
+    }
+
+    video.muted = true;
+    this.isMuted.set(true);
+    this.revealControlsTemporarily();
+  }
+
+  async toggleFullscreen(): Promise<void> {
+    const player = this.playerRoot?.nativeElement;
+
+    if (!player)
+      return;
+
+    if (document.fullscreenElement === player) {
+      await document.exitFullscreen().catch(() => {});
+      return;
+    }
+
+    await player.requestFullscreen?.().catch(() => {});
+  }
+
+  requestDownload(): void {
+    this.downloadRequested.emit(undefined);
+    this.revealControlsTemporarily();
+  }
+
+  private buildSliderBackground(fillPercent: number): string {
+    return [
+      'linear-gradient(90deg, ',
+      'hsl(var(--primary)) 0%, ',
+      `hsl(var(--primary)) ${fillPercent}%, `,
+      `hsl(var(--secondary)) ${fillPercent}%, `,
+      'hsl(var(--secondary)) 100%)'
+    ].join('');
+  }
+
+  private revealControlsTemporarily(): void {
+    if (!this.isFullscreen()) {
+      this.controlsVisible.set(true);
+      return;
+    }
+
+    this.controlsVisible.set(true);
+    this.clearControlsHideTimer();
+    this.controlsHideTimer = setTimeout(() => {
+      this.controlsVisible.set(false);
+    }, this.FULLSCREEN_IDLE_MS);
+  }
+
+  private clearControlsHideTimer(): void {
+    if (this.controlsHideTimer) {
+      clearTimeout(this.controlsHideTimer);
+      this.controlsHideTimer = null;
+    }
+  }
+
+  private clearSingleClickTimer(): void {
+    if (this.singleClickTimer) {
+      clearTimeout(this.singleClickTimer);
+      this.singleClickTimer = null;
+    }
+  }
+
+  formatTime(seconds: number): string {
+    if (!Number.isFinite(seconds) || seconds < 0)
+      return '0:00';
+
+    const totalSeconds = Math.floor(seconds);
+    const hours = Math.floor(totalSeconds / 3600);
+    const minutes = Math.floor((totalSeconds % 3600) / 60);
+    const remainingSeconds = totalSeconds % 60;
+
+    if (hours > 0) {
+      return `${hours}:${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
+    }
+
+    return `${minutes}:${remainingSeconds.toString().padStart(2, '0')}`;
+  }
+}

src/app/shared/components/confirm-dialog/confirm-dialog.component.html

@@ -0,0 +1,45 @@
+<!-- Backdrop -->
+<div
+  class="fixed inset-0 z-40 bg-black/30"
+  (click)="cancelled.emit(undefined)"
+  (keydown.enter)="cancelled.emit(undefined)"
+  (keydown.space)="cancelled.emit(undefined)"
+  role="button"
+  tabindex="0"
+  aria-label="Close dialog"
+></div>
+
+<!-- Dialog -->
+<div
+  class="fixed z-50 left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 bg-card border border-border rounded-lg shadow-lg"
+  [class]="widthClass()"
+>
+  <div class="p-4">
+    <h4 class="font-semibold text-foreground mb-2">{{ title() }}</h4>
+    <div class="text-sm text-muted-foreground">
+      <ng-content />
+    </div>
+  </div>
+  <div class="flex gap-2 p-3 border-t border-border">
+    <button
+      (click)="cancelled.emit(undefined)"
+      type="button"
+      class="flex-1 px-3 py-2 bg-secondary text-foreground rounded-lg hover:bg-secondary/80 transition-colors text-sm"
+    >
+      {{ cancelLabel() }}
+    </button>
+    <button
+      (click)="confirmed.emit(undefined)"
+      type="button"
+      class="flex-1 px-3 py-2 rounded-lg transition-colors text-sm"
+      [class.bg-primary]="variant() === 'primary'"
+      [class.text-primary-foreground]="variant() === 'primary'"
+      [class.hover:bg-primary/90]="variant() === 'primary'"
+      [class.bg-destructive]="variant() === 'danger'"
+      [class.text-destructive-foreground]="variant() === 'danger'"
+      [class.hover:bg-destructive/90]="variant() === 'danger'"
+    >
+      {{ confirmLabel() }}
+    </button>
+  </div>
+</div>

src/app/shared/components/confirm-dialog/confirm-dialog.component.ts

@@ -26,51 +26,10 @@ import {
 @Component({
   selector: 'app-confirm-dialog',
   standalone: true,
-  template: `
-    <!-- Backdrop -->
-    <div
-      class="fixed inset-0 z-40 bg-black/30"
-      (click)="cancelled.emit(undefined)"
-      (keydown.enter)="cancelled.emit(undefined)"
-      (keydown.space)="cancelled.emit(undefined)"
-      role="button"
-      tabindex="0"
-      aria-label="Close dialog"
-    ></div>
-    <!-- Dialog -->
-    <div class="fixed z-50 left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 bg-card border border-border rounded-lg shadow-lg"
-         [class]="widthClass()">
-      <div class="p-4">
-        <h4 class="font-semibold text-foreground mb-2">{{ title() }}</h4>
-        <div class="text-sm text-muted-foreground">
-          <ng-content />
-        </div>
-      </div>
-      <div class="flex gap-2 p-3 border-t border-border">
-        <button
-          (click)="cancelled.emit(undefined)"
-          type="button"
-          class="flex-1 px-3 py-2 bg-secondary text-foreground rounded-lg hover:bg-secondary/80 transition-colors text-sm"
-        >
-          {{ cancelLabel() }}
-        </button>
-        <button
-          (click)="confirmed.emit(undefined)"
-          type="button"
-          class="flex-1 px-3 py-2 rounded-lg transition-colors text-sm"
-          [class.bg-primary]="variant() === 'primary'"
-          [class.text-primary-foreground]="variant() === 'primary'"
-          [class.hover:bg-primary/90]="variant() === 'primary'"
-          [class.bg-destructive]="variant() === 'danger'"
-          [class.text-destructive-foreground]="variant() === 'danger'"
-          [class.hover:bg-destructive/90]="variant() === 'danger'"
-        >
-          {{ confirmLabel() }}
-        </button>
-      </div>
-    </div>
-  `,
-  styles: [':host { display: contents; }']
+  templateUrl: './confirm-dialog.component.html',
+  host: {
+    style: 'display: contents;'
+  }
 })
 export class ConfirmDialogComponent {
   /** Dialog title. */

src/app/shared/components/leave-server-dialog/leave-server-dialog.component.html

@@ -0,0 +1,65 @@
+<div
+  class="fixed inset-0 z-40 bg-black/30"
+  (click)="cancelled.emit(undefined)"
+  (keydown.enter)="cancelled.emit(undefined)"
+  (keydown.space)="cancelled.emit(undefined)"
+  role="button"
+  tabindex="0"
+  aria-label="Close dialog"
+></div>
+<div
+  class="fixed left-1/2 top-1/2 z-50 w-[360px] max-w-[calc(100vw-2rem)] -translate-x-1/2 -translate-y-1/2 rounded-lg border border-border bg-card shadow-lg"
+>
+  <div class="space-y-3 p-4">
+    <h4 class="font-semibold text-foreground">Leave Server?</h4>
+    <div class="space-y-3 text-sm text-muted-foreground">
+      <p>
+        Leaving will remove
+        <span class="font-medium text-foreground">{{ room().name }}</span>
+        from your My Servers list.
+      </p>
+
+      @if (isOwner()) {
+        <div class="space-y-2 rounded-md border border-border/80 bg-secondary/20 p-3">
+          <p class="text-foreground">You are the current owner of this server.</p>
+          <p>You can optionally promote another member before leaving. If you skip this step, the server will continue without an owner.</p>
+
+          @if (ownerCandidates().length > 0) {
+            <label class="block space-y-1">
+              <span class="text-xs font-medium uppercase tracking-wide text-muted-foreground"> New owner </span>
+              <select
+                class="w-full rounded-md border border-border bg-card px-3 py-2 text-sm text-foreground focus:outline-none focus:ring-2 focus:ring-primary"
+                [ngModel]="selectedOwnerKey()"
+                (ngModelChange)="selectedOwnerKey.set($event || '')"
+              >
+                <option value="">Skip owner transfer</option>
+                @for (member of ownerCandidates(); track roomMemberKey(member)) {
+                  <option [value]="roomMemberKey(member)">{{ member.displayName }} - {{ roleLabel(member) }}</option>
+                }
+              </select>
+            </label>
+          } @else {
+            <p>No other known members are available to promote right now.</p>
+          }
+        </div>
+      }
+    </div>
+  </div>
+
+  <div class="flex gap-2 border-t border-border p-3">
+    <button
+      (click)="cancelled.emit(undefined)"
+      type="button"
+      class="flex-1 rounded-lg bg-secondary px-3 py-2 text-sm text-foreground transition-colors hover:bg-secondary/80"
+    >
+      Cancel
+    </button>
+    <button
+      (click)="confirmLeave()"
+      type="button"
+      class="flex-1 rounded-lg bg-destructive px-3 py-2 text-sm text-destructive-foreground transition-colors hover:bg-destructive/90"
+    >
+      Leave Server
+    </button>
+  </div>
+</div>

src/app/shared/components/leave-server-dialog/leave-server-dialog.component.ts

@@ -0,0 +1,91 @@
+import {
+  Component,
+  HostListener,
+  computed,
+  effect,
+  input,
+  output,
+  signal
+} from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import {
+  Room,
+  RoomMember,
+  User
+} from '../../../core/models';
+
+export interface LeaveServerDialogResult {
+  nextOwnerKey?: string;
+}
+
+@Component({
+  selector: 'app-leave-server-dialog',
+  standalone: true,
+  imports: [CommonModule, FormsModule],
+  templateUrl: './leave-server-dialog.component.html'
+})
+export class LeaveServerDialogComponent {
+  room = input.required<Room>();
+  currentUser = input<User | null>(null);
+  confirmed = output<LeaveServerDialogResult>();
+  cancelled = output<undefined>();
+
+  selectedOwnerKey = signal('');
+
+  isOwner = computed(() => {
+    const room = this.room();
+    const user = this.currentUser();
+
+    if (!room || !user)
+      return false;
+
+    return room.hostId === user.id || room.hostId === user.oderId;
+  });
+
+  ownerCandidates = computed(() => {
+    const room = this.room();
+    const user = this.currentUser();
+    const userIds = new Set([user?.id, user?.oderId].filter((value): value is string => !!value));
+
+    return (room.members ?? []).filter((member) => !userIds.has(member.id) && !userIds.has(member.oderId || ''));
+  });
+
+  constructor() {
+    effect(() => {
+      this.room();
+      this.currentUser();
+      this.selectedOwnerKey.set('');
+    });
+  }
+
+  @HostListener('document:keydown.escape')
+  onEscape(): void {
+    this.cancelled.emit(undefined);
+  }
+
+  confirmLeave(): void {
+    this.confirmed.emit(
+      this.selectedOwnerKey()
+        ? { nextOwnerKey: this.selectedOwnerKey() }
+        : {}
+    );
+  }
+
+  roomMemberKey(member: RoomMember): string {
+    return member.oderId || member.id;
+  }
+
+  roleLabel(member: RoomMember): string {
+    switch (member.role) {
+      case 'host':
+        return 'Owner';
+      case 'admin':
+        return 'Admin';
+      case 'moderator':
+        return 'Moderator';
+      default:
+        return 'Member';
+    }
+  }
+}

src/app/shared/components/user-avatar/user-avatar.component.html

@@ -0,0 +1,17 @@
+@if (avatarUrl()) {
+  <img
+    [ngSrc]="avatarUrl()!"
+    [width]="sizePx()"
+    [height]="sizePx()"
+    alt=""
+    class="rounded-full object-cover"
+    [class]="sizeClasses() + ' ' + ringClass()"
+  />
+} @else {
+  <div
+    class="rounded-full bg-primary/20 flex items-center justify-center text-primary font-medium"
+    [class]="sizeClasses() + ' ' + textClass() + ' ' + ringClass()"
+  >
+    {{ initial() }}
+  </div>
+}

src/app/shared/components/user-avatar/user-avatar.component.ts

@@ -1,3 +1,4 @@
+import { NgOptimizedImage } from '@angular/common';
 import { Component, input } from '@angular/core';
 
 /**
@@ -17,24 +18,11 @@ import { Component, input } from '@angular/core';
 @Component({
   selector: 'app-user-avatar',
   standalone: true,
-  template: `
-    @if (avatarUrl()) {
-      <img
-        [src]="avatarUrl()"
-        alt=""
-        class="rounded-full object-cover"
-        [class]="sizeClasses() + ' ' + ringClass()"
-      />
-    } @else {
-      <div
-        class="rounded-full bg-primary/20 flex items-center justify-center text-primary font-medium"
-        [class]="sizeClasses() + ' ' + textClass() + ' ' + ringClass()"
-      >
-        {{ initial() }}
-      </div>
+  imports: [NgOptimizedImage],
+  templateUrl: './user-avatar.component.html',
+  host: {
+    style: 'display: contents;'
   }
-  `,
-  styles: [':host { display: contents; }']
 })
 export class UserAvatarComponent {
   /** Display name - first character is used as fallback initial. */
@@ -62,6 +50,16 @@ export class UserAvatarComponent {
     }
   }
 
+  /** Map size token to explicit pixel dimensions for image optimisation. */
+  sizePx(): number {
+    switch (this.size()) {
+      case 'xs': return 28;
+      case 'sm': return 32;
+      case 'md': return 40;
+      case 'lg': return 48;
+    }
+  }
+
   /** Map size token to text size for initials. */
   textClass(): string {
     switch (this.size()) {

src/app/shared/index.ts

@@ -4,4 +4,7 @@
 export { ContextMenuComponent } from './components/context-menu/context-menu.component';
 export { UserAvatarComponent } from './components/user-avatar/user-avatar.component';
 export { ConfirmDialogComponent } from './components/confirm-dialog/confirm-dialog.component';
+export { LeaveServerDialogComponent } from './components/leave-server-dialog/leave-server-dialog.component';
+export { ChatAudioPlayerComponent } from './components/chat-audio-player/chat-audio-player.component';
+export { ChatVideoPlayerComponent } from './components/chat-video-player/chat-video-player.component';
 export { UserVolumeMenuComponent } from './components/user-volume-menu/user-volume-menu.component';

src/app/store/rooms/room-members-sync.effects.ts

@@ -22,17 +22,16 @@ import { WebRTCService } from '../../core/services/webrtc.service';
 import { UsersActions } from '../users/users.actions';
 import { selectCurrentUser } from '../users/users.selectors';
 import { RoomsActions } from './rooms.actions';
-import {
-  selectCurrentRoom,
-  selectSavedRooms
-} from './rooms.selectors';
+import { selectCurrentRoom, selectSavedRooms } from './rooms.selectors';
 import {
   areRoomMembersEqual,
   findRoomMember,
   mergeRoomMembers,
+  pruneRoomMembers,
   removeRoomMember,
   roomMemberFromUser,
   touchRoomMemberLastSeen,
+  transferRoomOwnership,
   updateRoomMemberRole,
   upsertRoomMember
 } from './room-members.helpers';
@@ -79,7 +78,10 @@ export class RoomMembersSyncEffects {
         this.store.select(selectCurrentUser),
         this.store.select(selectCurrentRoom)
       ),
-      mergeMap(([, currentUser, currentRoom]) => {
+      mergeMap(([
+        , currentUser,
+        currentRoom
+      ]) => {
         if (!currentUser || !currentRoom)
           return EMPTY;
 
@@ -119,7 +121,12 @@ export class RoomMembersSyncEffects {
         this.store.select(selectSavedRooms),
         this.store.select(selectCurrentUser)
       ),
-      mergeMap(([message, currentRoom, savedRooms, currentUser]) => {
+      mergeMap(([
+        message,
+        currentRoom,
+        savedRooms,
+        currentUser
+      ]) => {
         const signalingMessage = message as any;
         const roomId = typeof signalingMessage.serverId === 'string' ? signalingMessage.serverId : undefined;
         const room = this.resolveRoom(roomId, currentRoom, savedRooms);
@@ -136,7 +143,7 @@ export class RoomMembersSyncEffects {
 
             let members = room.members ?? [];
 
-            for (const user of signalingMessage.users as Array<{ oderId: string; displayName: string }>) {
+            for (const user of signalingMessage.users as { oderId: string; displayName: string }[]) {
               if (!user?.oderId || user.oderId === myId)
                 continue;
 
@@ -229,7 +236,12 @@ export class RoomMembersSyncEffects {
         this.store.select(selectSavedRooms),
         this.store.select(selectCurrentUser)
       ),
-      mergeMap(([event, currentRoom, savedRooms, currentUser]) => {
+      mergeMap(([
+        event,
+        currentRoom,
+        savedRooms,
+        currentUser
+      ]) => {
         switch (event.type) {
           case 'member-roster-request': {
             const actions = this.handleMemberRosterRequest(event, currentRoom, savedRooms, currentUser ?? null);
@@ -249,6 +261,12 @@ export class RoomMembersSyncEffects {
             return actions.length > 0 ? actions : EMPTY;
           }
 
+          case 'host-change': {
+            const actions = this.handleIncomingHostChange(event, currentRoom, savedRooms, currentUser ?? null);
+
+            return actions.length > 0 ? actions : EMPTY;
+          }
+
           case 'role-change': {
             const actions = this.handleIncomingRoleChange(event, currentRoom, savedRooms);
 
@@ -326,6 +344,7 @@ export class RoomMembersSyncEffects {
       return [];
 
     const isCurrentRoom = currentRoom?.id === room.id;
+
     let members = room.members ?? [];
 
     if (currentUser) {
@@ -392,6 +411,78 @@ export class RoomMembersSyncEffects {
     return actions;
   }
 
+  private handleIncomingHostChange(
+    event: any,
+    currentRoom: Room | null,
+    savedRooms: Room[],
+    currentUser: User | null
+  ): Action[] {
+    const roomId = typeof event.roomId === 'string' ? event.roomId : currentRoom?.id;
+    const room = this.resolveRoom(roomId, currentRoom, savedRooms);
+
+    if (!room)
+      return [];
+
+    const members = Array.isArray(event.members)
+      ? pruneRoomMembers(event.members)
+      : transferRoomOwnership(
+        room.members ?? [],
+        event.hostId || event.hostOderId
+          ? {
+            id: event.hostId,
+            oderId: event.hostOderId
+          }
+          : null,
+        {
+          id: event.previousHostId,
+          oderId: event.previousHostOderId
+        }
+      );
+    const hostId = typeof event.hostId === 'string' ? event.hostId : '';
+    const actions: Action[] = [
+      RoomsActions.updateRoom({
+        roomId: room.id,
+        changes: {
+          hostId,
+          members
+        }
+      })
+    ];
+
+    for (const previousHostKey of new Set([event.previousHostId, event.previousHostOderId].filter((value): value is string => !!value))) {
+      actions.push(
+        UsersActions.updateUserRole({
+          userId: previousHostKey,
+          role: 'member'
+        })
+      );
+    }
+
+    for (const nextHostKey of new Set([event.hostId, event.hostOderId].filter((value): value is string => !!value))) {
+      actions.push(
+        UsersActions.updateUserRole({
+          userId: nextHostKey,
+          role: 'host'
+        })
+      );
+    }
+
+    if (currentUser) {
+      const isCurrentUserNextHost = event.hostId === currentUser.id || event.hostOderId === currentUser.oderId;
+      const isCurrentUserPreviousHost = event.previousHostId === currentUser.id || event.previousHostOderId === currentUser.oderId;
+
+      if (isCurrentUserPreviousHost && !isCurrentUserNextHost) {
+        actions.push(UsersActions.updateCurrentUser({ updates: { role: 'member' } }));
+      }
+
+      if (isCurrentUserNextHost) {
+        actions.push(UsersActions.updateCurrentUser({ updates: { role: 'host' } }));
+      }
+    }
+
+    return actions;
+  }
+
   private handleIncomingRoleChange(
     event: any,
     currentRoom: Room | null,

src/app/store/rooms/room-members.helpers.ts

@@ -1,7 +1,4 @@
-import {
-  RoomMember,
-  User
-} from '../../core/models';
+import { RoomMember, User } from '../../core/models';
 
 /** Remove members that have not been seen for roughly two months. */
 export const ROOM_MEMBER_STALE_MS = 1000 * 60 * 60 * 24 * 60;
@@ -234,7 +231,7 @@ export function touchRoomMemberLastSeen(
 /** Remove a member from a room roster by either ID flavor. */
 export function removeRoomMember(
   members: RoomMember[] = [],
-  ...identifiers: Array<string | undefined>
+  ...identifiers: (string | undefined)[]
 ): RoomMember[] {
   const ids = new Set(identifiers.filter((identifier): identifier is string => !!identifier));
 
@@ -246,6 +243,43 @@ export function removeRoomMember(
   );
 }
 
+/** Reassign ownership within a room roster, optionally leaving the room ownerless. */
+export function transferRoomOwnership(
+  members: RoomMember[] = [],
+  nextOwner: Partial<RoomMember> | null,
+  previousOwner?: Pick<RoomMember, 'id' | 'oderId'>,
+  now = Date.now()
+): RoomMember[] {
+  const nextMembers = pruneRoomMembers(members, now).map((member) => {
+    const isPreviousOwner =
+      member.role === 'host'
+      || (!!previousOwner?.id && member.id === previousOwner.id)
+      || (!!previousOwner?.oderId && member.oderId === previousOwner.oderId);
+
+    return isPreviousOwner
+      ? { ...member,
+        role: 'member' as const }
+      : member;
+  });
+
+  if (!nextOwner || !(nextOwner.id || nextOwner.oderId))
+    return pruneRoomMembers(nextMembers, now);
+
+  const existingNextOwner = findRoomMember(nextMembers, nextOwner.id || nextOwner.oderId);
+  const nextOwnerMember: RoomMember = {
+    id: existingNextOwner?.id || nextOwner.id || nextOwner.oderId || '',
+    oderId: existingNextOwner?.oderId || nextOwner.oderId || undefined,
+    username: existingNextOwner?.username || nextOwner.username || '',
+    displayName: existingNextOwner?.displayName || nextOwner.displayName || 'User',
+    avatarUrl: existingNextOwner?.avatarUrl || nextOwner.avatarUrl || undefined,
+    role: 'host',
+    joinedAt: existingNextOwner?.joinedAt || nextOwner.joinedAt || now,
+    lastSeenAt: existingNextOwner?.lastSeenAt || nextOwner.lastSeenAt || now
+  };
+
+  return upsertRoomMember(nextMembers, nextOwnerMember, now);
+}
+
 /** Update a persisted member role without touching presence timestamps. */
 export function updateRoomMemberRole(
   members: RoomMember[] = [],

src/app/store/rooms/rooms.actions.ts

@@ -42,7 +42,7 @@ export const RoomsActions = createActionGroup({
     'Delete Room': props<{ roomId: string }>(),
     'Delete Room Success': props<{ roomId: string }>(),
 
-    'Forget Room': props<{ roomId: string }>(),
+    'Forget Room': props<{ roomId: string; nextOwnerKey?: string }>(),
     'Forget Room Success': props<{ roomId: string }>(),
 
     'Update Room Settings': props<{ settings: Partial<RoomSettings> }>(),

src/app/store/rooms/rooms.effects.ts

@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/member-ordering */
 /* eslint-disable id-length */
-/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-non-null-assertion */
+/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-non-null-assertion, @typescript-eslint/no-explicit-any, complexity */
 import { Injectable, inject } from '@angular/core';
 import { Router } from '@angular/router';
 import {
@@ -29,7 +29,7 @@ import { RoomsActions } from './rooms.actions';
 import { UsersActions } from '../users/users.actions';
 import { MessagesActions } from '../messages/messages.actions';
 import { selectCurrentUser, selectAllUsers } from '../users/users.selectors';
-import { selectCurrentRoom } from './rooms.selectors';
+import { selectCurrentRoom, selectSavedRooms } from './rooms.selectors';
 import { DatabaseService } from '../../core/services/database.service';
 import { WebRTCService } from '../../core/services/webrtc.service';
 import { ServerDirectoryService } from '../../core/services/server-directory.service';
@@ -40,7 +40,11 @@ import {
   VoiceState
 } from '../../core/models';
 import { NotificationAudioService, AppSound } from '../../core/services/notification-audio.service';
-import { findRoomMember } from './room-members.helpers';
+import {
+  findRoomMember,
+  removeRoomMember,
+  transferRoomOwnership
+} from './room-members.helpers';
 
 /** Build a minimal User object from signaling payload. */
 function buildSignalingUser(
@@ -337,12 +341,64 @@ export class RoomsEffects {
     )
   );
 
-  /** Forgets a room locally: removes from DB and leaves the signaling server for that room. */
+  /** Leaves a server, optionally transfers ownership, and removes it locally. */
   forgetRoom$ = createEffect(() =>
     this.actions$.pipe(
       ofType(RoomsActions.forgetRoom),
-      withLatestFrom(this.store.select(selectCurrentUser)),
-      switchMap(([{ roomId }, currentUser]) => {
+      withLatestFrom(
+        this.store.select(selectCurrentUser),
+        this.store.select(selectCurrentRoom),
+        this.store.select(selectSavedRooms)
+      ),
+      switchMap(([
+        { roomId, nextOwnerKey },
+        currentUser,
+        currentRoom,
+        savedRooms
+      ]) => {
+        const room = currentRoom?.id === roomId
+          ? currentRoom
+          : (savedRooms.find((savedRoom) => savedRoom.id === roomId) ?? null);
+        const isRoomOwner = !!currentUser && !!room && (room.hostId === currentUser.id || room.hostId === currentUser.oderId);
+
+        if (currentUser && room && isRoomOwner) {
+          const nextOwner = nextOwnerKey
+            ? (findRoomMember(room.members ?? [], nextOwnerKey) ?? null)
+            : null;
+          const updatedMembers = removeRoomMember(
+            transferRoomOwnership(
+              room.members ?? [],
+              nextOwner,
+              {
+                id: room.hostId,
+                oderId: currentUser.oderId
+              }
+            ),
+            currentUser.id,
+            currentUser.oderId
+          );
+          const nextHostId = nextOwner?.id || nextOwner?.oderId || '';
+          const nextHostOderId = nextOwner?.oderId || '';
+
+          this.webrtc.broadcastMessage({
+            type: 'host-change',
+            roomId,
+            hostId: nextHostId,
+            hostOderId: nextHostOderId,
+            previousHostId: room.hostId,
+            previousHostOderId: currentUser.oderId,
+            members: updatedMembers
+          });
+
+          this.serverDirectory.updateServer(roomId, {
+            currentOwnerId: currentUser.id,
+            ownerId: nextHostId,
+            ownerPublicKey: nextHostOderId
+          }).subscribe({
+            error: () => {}
+          });
+        }
+
         if (currentUser) {
           this.webrtc.broadcastMessage({
             type: 'member-leave',
@@ -359,7 +415,9 @@ export class RoomsEffects {
         // Leave this specific server (doesn't affect other servers)
         this.webrtc.leaveRoom(roomId);
 
-        return of(RoomsActions.forgetRoomSuccess({ roomId }));
+        return currentRoom?.id === roomId
+          ? [RoomsActions.leaveRoomSuccess(), RoomsActions.forgetRoomSuccess({ roomId })]
+          : of(RoomsActions.forgetRoomSuccess({ roomId }));
       })
     )
   );
@@ -539,12 +597,8 @@ export class RoomsEffects {
   onJoinRoomSuccess$ = createEffect(() =>
     this.actions$.pipe(
       ofType(RoomsActions.joinRoomSuccess),
-      mergeMap(({ room }) => [
-        MessagesActions.loadMessages({ roomId: room.id }),
-        // Don't load users from database - they come from signaling server
-        // UsersActions.loadRoomUsers({ roomId: room.id }),
-        UsersActions.loadBans()
-      ])
+      // Don't load users from database - they come from signaling server.
+      mergeMap(({ room }) => [MessagesActions.loadMessages({ roomId: room.id }), UsersActions.loadBans()])
     )
   );
 

src/app/store/users/users.effects.ts

@@ -32,10 +32,7 @@ import {
 import { selectCurrentRoom } from '../rooms/rooms.selectors';
 import { DatabaseService } from '../../core/services/database.service';
 import { WebRTCService } from '../../core/services/webrtc.service';
-import {
-  BanEntry,
-  User
-} from '../../core/models';
+import { BanEntry, User } from '../../core/models';
 
 @Injectable()
 export class UsersEffects {

src/index.html

@@ -1,12 +1,22 @@
 <!doctype html>
 <html lang="en">
-<head>
-  <meta charset="utf-8">
+  <head>
+    <meta charset="utf-8" />
     <title>MeToYou</title>
-  <base href="/">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob:; connect-src 'self' ws: wss: http: https:; media-src 'self' blob:; img-src 'self' data: blob:;">
-  <link rel="icon" type="image/x-icon" href="favicon.ico">
+    <base href="/" />
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1"
+    />
+    <meta
+      http-equiv="Content-Security-Policy"
+      content="default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob:; connect-src 'self' blob: ws: wss: http: https:; media-src 'self' blob:; img-src 'self' data: blob: http: https:;"
+    />
+    <link
+      rel="icon"
+      type="image/x-icon"
+      href="favicon.ico"
+    />
     <script>
       // Polyfills for Node.js modules used in browser
       if (typeof global === 'undefined') {
@@ -17,24 +27,36 @@
       }
       // Add nextTick polyfill for simple-peer/streams
       if (typeof process.nextTick === 'undefined') {
-      window.process.nextTick = function(fn) {
+        window.process.nextTick = function (fn) {
           setTimeout(fn, 0);
         };
       }
       if (typeof Buffer === 'undefined') {
         window.Buffer = {
-        isBuffer: function() { return false; },
-        from: function() { return []; },
-        alloc: function() { return []; }
+          isBuffer: function () {
+            return false;
+          },
+          from: function () {
+            return [];
+          },
+          alloc: function () {
+            return [];
+          }
         };
       }
       // Polyfill for util module (used by simple-peer/debug)
       if (typeof window.util === 'undefined') {
         window.util = {
-        debuglog: function() { return function() {}; },
-        inspect: function(obj) { return JSON.stringify(obj); },
-        format: function() { return Array.prototype.slice.call(arguments).join(' '); },
-        inherits: function(ctor, superCtor) {
+          debuglog: function () {
+            return function () {};
+          },
+          inspect: function (obj) {
+            return JSON.stringify(obj);
+          },
+          format: function () {
+            return Array.prototype.slice.call(arguments).join(' ');
+          },
+          inherits: function (ctor, superCtor) {
             ctor.super_ = superCtor;
             ctor.prototype = Object.create(superCtor.prototype, {
               constructor: { value: ctor, enumerable: false, writable: true, configurable: true }
@@ -43,8 +65,8 @@
         };
       }
     </script>
-</head>
-<body>
+  </head>
+  <body>
     <app-root></app-root>
-</body>
+  </body>
 </html>