feat: improve email invitation label for clarity and add navigation on guest join

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "redlight",
-  "version": "2.1.0",
+  "version": "2.1.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "redlight",
-      "version": "2.1.0",
+      "version": "2.1.2",
       "license": "GPL-3.0-or-later",
       "dependencies": {
         "axios": "^1.7.0",
@@ -932,9 +932,9 @@
       "license": "MIT"
     },
     "node_modules/brace-expansion": {
-      "version": "1.1.12",
+      "version": "1.1.13",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.13.tgz",
-      "integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
+      "integrity": "sha512-9ZLprWS6EENmhEOpjCYW2c8VkmOvckIJZfkr7rBW6dObmfgJ/L1GpSYW5Hpo9lDz4D1+n0Ckz8rU7FwHDQiG/w==",
       "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0",
@@ -3108,7 +3108,9 @@
       "license": "MIT"
     },
     "node_modules/nodemailer": {
-      "version": "8.0.1",
+      "version": "8.0.4",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-8.0.4.tgz",
+      "integrity": "sha512-k+jf6N8PfQJ0Fe8ZhJlgqU5qJU44Lpvp2yvidH3vp1lPnVQMgi4yEEMPXg5eJS1gFIJTVq1NHBk7Ia9ARdSBdQ==",
       "license": "MIT-0",
       "engines": {
         "node": ">=6.0.0"
@@ -3238,7 +3240,9 @@
       "license": "MIT"
     },
     "node_modules/path-to-regexp": {
-      "version": "0.1.12",
+      "version": "0.1.13",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.13.tgz",
+      "integrity": "sha512-A/AGNMFN3c8bOlvV9RreMdrv7jsmF9XIfDeCd87+I8RNg6s78BhJxMu69NEMHBSJFxKidViTEdruRwEk/WIKqA==",
       "license": "MIT"
     },
     "node_modules/pdfkit": {
@@ -3333,7 +3337,9 @@
       "license": "ISC"
     },
     "node_modules/picomatch": {
-      "version": "2.3.1",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.2.tgz",
+      "integrity": "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -3846,9 +3852,9 @@
       }
     },
     "node_modules/readdir-glob/node_modules/brace-expansion": {
-      "version": "2.0.2",
+      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.3.tgz",
-      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "integrity": "sha512-MCV/fYJEbqx68aE58kv2cA/kiky1G8vux3OR6/jbS+jIMe/6fJWa0DTzJU7dqijOWYwHi1t29FlfYI9uytqlpA==",
       "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0"
@@ -4475,7 +4481,9 @@
       }
     },
     "node_modules/tinyglobby/node_modules/picomatch": {
-      "version": "4.0.3",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.4.tgz",
+      "integrity": "sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -4781,9 +4789,9 @@
       }
     },
     "node_modules/vite/node_modules/picomatch": {
-      "version": "4.0.3",
+      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.4.tgz",
-      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "integrity": "sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==",
       "dev": true,
       "license": "MIT",
       "engines": {

package.json

@@ -1,7 +1,7 @@
 {
   "name": "redlight",
   "private": true,
-  "version": "2.1.0",
+  "version": "2.1.2",
   "license": "GPL-3.0-or-later",
   "type": "module",
   "scripts": {

server/config/mailer.js

@@ -144,6 +144,61 @@ export async function sendFederationInviteEmail(to, name, fromUser, roomName, me
   });
 }
 
+/**
+ * Send a guest meeting invitation email with a direct join link.
+ * @param {string} to        - recipient email
+ * @param {string} fromUser  - sender display name
+ * @param {string} roomName  - name of the room
+ * @param {string} message   - optional personal message
+ * @param {string} joinUrl   - direct guest join URL
+ * @param {string} appName   - branding app name
+ * @param {string} lang      - language code
+ */
+export async function sendGuestInviteEmail(to, fromUser, roomName, message, joinUrl, appName = 'Redlight', lang = 'en') {
+  if (!transporter) {
+    throw new Error('SMTP not configured');
+  }
+
+  const from = process.env.SMTP_FROM || process.env.SMTP_USER;
+  const headerAppName = sanitizeHeaderValue(appName);
+  const safeFromUser = escapeHtml(fromUser);
+  const safeRoomName = escapeHtml(roomName);
+  const safeMessage = message ? escapeHtml(message) : null;
+
+  const introHtml = t(lang, 'email.guestInvite.intro')
+    .replace('{fromUser}', `<strong style="color:#cdd6f4;">${safeFromUser}</strong>`);
+
+  await transporter.sendMail({
+    from: `"${headerAppName}" <${from}>`,
+    to,
+    subject: t(lang, 'email.guestInvite.subject', { appName: headerAppName, fromUser: sanitizeHeaderValue(fromUser) }),
+    html: `
+      <div style="font-family:Arial,sans-serif;max-width:520px;margin:0 auto;padding:32px;background:#1e1e2e;color:#cdd6f4;border-radius:12px;">
+        <h2 style="color:#cba6f7;margin-top:0;">Meeting Invitation</h2>
+        <p>${introHtml}</p>
+        <div style="background:#313244;border-radius:8px;padding:16px;margin:20px 0;">
+          <p style="margin:0 0 8px 0;font-size:13px;color:#7f849c;">${t(lang, 'email.guestInvite.roomLabel')}</p>
+          <p style="margin:0;font-size:16px;font-weight:bold;color:#cdd6f4;">${safeRoomName}</p>
+          ${safeMessage ? `<p style="margin:12px 0 0 0;font-size:13px;color:#a6adc8;font-style:italic;">&quot;${safeMessage}&quot;</p>` : ''}
+        </div>
+        <p style="text-align:center;margin:28px 0;">
+          <a href="${joinUrl}"
+             style="display:inline-block;background:#cba6f7;color:#1e1e2e;padding:12px 32px;border-radius:8px;text-decoration:none;font-weight:bold;">
+            ${t(lang, 'email.guestInvite.joinButton')}
+          </a>
+        </p>
+        <p style="font-size:13px;color:#7f849c;">
+          ${t(lang, 'email.linkHint')}<br/>
+          <a href="${joinUrl}" style="color:#89b4fa;word-break:break-all;">${escapeHtml(joinUrl)}</a>
+        </p>
+        <hr style="border:none;border-top:1px solid #313244;margin:24px 0;"/>
+        <p style="font-size:12px;color:#585b70;">${t(lang, 'email.guestInvite.footer')}</p>
+      </div>
+    `,
+    text: `${t(lang, 'email.guestInvite.intro', { fromUser })}\n${t(lang, 'email.guestInvite.roomLabel')} ${roomName}${message ? `\n"${message}"` : ''}\n\n${t(lang, 'email.guestInvite.joinButton')}: ${joinUrl}\n\n- ${appName}`,
+  });
+}
+
 /**
  * Send a calendar event invitation email (federated).
  */

server/i18n/de.json

@@ -25,6 +25,13 @@
       "intro": "Du hast eine Meeting-Einladung von {fromUser} erhalten.",
       "roomLabel": "Raum:"
     },
+    "guestInvite": {
+      "subject": "{appName} - Einladung zu einem Meeting",
+      "intro": "{fromUser} hat dich zu einem Meeting eingeladen.",
+      "roomLabel": "Raum:",
+      "joinButton": "Meeting beitreten",
+      "footer": "Klicke auf den Button oben, um dem Meeting beizutreten."
+    },
     "calendarInvite": {
       "subject": "{appName} - Kalendereinladung von {fromUser}",
       "intro": "Du hast eine Kalendereinladung von {fromUser} erhalten."

server/i18n/en.json

@@ -25,6 +25,13 @@
       "intro": "You have received a meeting invitation from {fromUser}.",
       "roomLabel": "Room:"
     },
+    "guestInvite": {
+      "subject": "{appName} - You're invited to a meeting",
+      "intro": "{fromUser} has invited you to a meeting.",
+      "roomLabel": "Room:",
+      "joinButton": "Join Meeting",
+      "footer": "Click the button above to join the meeting."
+    },
     "calendarInvite": {
       "subject": "{appName} - Calendar invitation from {fromUser}",
       "intro": "You have received a calendar invitation from {fromUser}."

server/index.js

@@ -60,9 +60,10 @@ async function start() {
   await initDatabase();
   initMailer();
 
-  // Serve uploaded files (branding only — avatars served via /api/auth/avatar/:filename, presentations require auth)
+  // Serve uploaded files (avatars are served via /api/auth/avatar/:filename)
   const uploadsPath = path.join(__dirname, '..', 'uploads');
   app.use('/uploads/branding', express.static(path.join(uploadsPath, 'branding')));
+  // Presentations are served via /api/rooms/presentations/:filename?token=… (HMAC-protected)
 
   // API Routes
   app.use('/api/auth', authRoutes);

server/routes/admin.js

@@ -362,4 +362,28 @@ router.delete('/oauth', authenticateToken, requireAdmin, async (req, res) => {
   }
 });
 
+// ── Room Management (admin only) ────────────────────────────────────────────
+
+// GET /api/admin/rooms - List all rooms with owner info
+router.get('/rooms', authenticateToken, requireAdmin, async (req, res) => {
+  try {
+    const db = getDb();
+    const rooms = await db.all(`
+      SELECT r.id, r.uid, r.name, r.user_id, r.max_participants, r.access_code,
+             r.mute_on_join, r.record_meeting, r.guest_access, r.presentation_file,
+             r.created_at, r.updated_at,
+             COALESCE(NULLIF(u.display_name,''), u.name) as owner_name,
+             u.email as owner_email,
+             (SELECT COUNT(*) FROM room_shares rs WHERE rs.room_id = r.id) as share_count
+      FROM rooms r
+      JOIN users u ON r.user_id = u.id
+      ORDER BY r.created_at DESC
+    `);
+    res.json({ rooms });
+  } catch (err) {
+    log.admin.error(`List rooms error: ${err.message}`);
+    res.status(500).json({ error: 'Rooms could not be loaded' });
+  }
+});
+
 export default router;

server/routes/federation.js

@@ -9,11 +9,11 @@ import { createNotification } from '../config/notifications.js';
 
 // M13: rate limit the unauthenticated federation receive endpoint
 const federationReceiveLimiter = rateLimit({
-  windowMs: 15 * 60 * 1000, // 15 minutes
+    windowMs: 15 * 60 * 1000, // 15 minutes
-  max: 100,
+    max: 100,
-  standardHeaders: true,
+    standardHeaders: true,
-  legacyHeaders: false,
+    legacyHeaders: false,
-  message: { error: 'Too many federation requests. Please try again later.' },
+    message: { error: 'Too many federation requests. Please try again later.' },
 });
 
 import {
@@ -40,7 +40,7 @@ export function wellKnownHandler(req, res) {
         federation_api: '/api/federation',
         public_key: getPublicKey(),
         software: 'Redlight',
-        version: '2.1.0',
+        version: '2.1.2',
     });
 }
 
@@ -236,24 +236,24 @@ router.post('/receive', federationReceiveLimiter, async (req, res) => {
 
         // Send notification email (truly fire-and-forget - never blocks the response)
         if (targetUser.email) {
-          const appUrl = getBaseUrl(req);
+            const appUrl = getBaseUrl(req);
-          const inboxUrl = `${appUrl}/federation/inbox`;
+            const inboxUrl = `${appUrl}/federation/inbox`;
-          const appName = process.env.APP_NAME || 'Redlight';
+            const appName = process.env.APP_NAME || 'Redlight';
-          sendFederationInviteEmail(
+            sendFederationInviteEmail(
-            targetUser.email, targetUser.name, from_user,
+                targetUser.email, targetUser.name, from_user,
-            room_name, message || null, inboxUrl, appName, targetUser.language || 'en'
+                room_name, message || null, inboxUrl, appName, targetUser.language || 'en'
-          ).catch(mailErr => {
+            ).catch(mailErr => {
-            log.federation.warn('Federation invite mail failed (non-fatal):', mailErr.message);
+                log.federation.warn('Federation invite mail failed (non-fatal):', mailErr.message);
-          });
+            });
         }
 
         // In-app notification
         await createNotification(
-          targetUser.id,
+            targetUser.id,
-          'federation_invite_received',
+            'federation_invite_received',
-          from_user,
+            from_user,
-          room_name,
+            room_name,
-          '/federation/inbox',
+            '/federation/inbox',
         );
 
         res.json({ success: true });

server/routes/rooms.js

@@ -8,6 +8,7 @@ import { getDb } from '../config/database.js';
 import { authenticateToken, getBaseUrl } from '../middleware/auth.js';
 import { log } from '../config/logger.js';
 import { createNotification } from '../config/notifications.js';
+import { sendGuestInviteEmail } from '../config/mailer.js';
 import {
   createMeeting,
   joinMeeting,
@@ -37,6 +38,17 @@ const __dirname = path.dirname(__filename);
 const presentationsDir = path.join(__dirname, '..', '..', 'uploads', 'presentations');
 if (!fs.existsSync(presentationsDir)) fs.mkdirSync(presentationsDir, { recursive: true });
 
+const PRESENTATION_TOKEN_SECRET = process.env.BBB_SECRET || crypto.randomBytes(32).toString('hex');
+const PRESENTATION_TOKEN_TTL = 60 * 60 * 1000; // 1 hour
+
+function signPresentationUrl(roomUid, filename) {
+  const expires = Date.now() + PRESENTATION_TOKEN_TTL;
+  const token = crypto.createHmac('sha256', PRESENTATION_TOKEN_SECRET)
+    .update(`${roomUid}/${filename}:${expires}`)
+    .digest('hex');
+  return { token, expires };
+}
+
 // M8: rate limit unauthenticated guest-join to prevent access_code brute-force
 const guestJoinLimiter = rateLimit({
   windowMs: 15 * 60 * 1000, // 15 minutes
@@ -484,9 +496,11 @@ router.post('/:uid/start', authenticateToken, async (req, res) => {
 
     const baseUrl = getBaseUrl(req);
     const loginURL = `${baseUrl}/join/${room.uid}`;
-    const presentationUrl = room.presentation_file
+    let presentationUrl = null;
-      ? `${baseUrl}/uploads/presentations/${room.presentation_file}`
+    if (room.presentation_file) {
-      : null;
+      const { token, expires } = signPresentationUrl(room.uid, room.presentation_file);
+      presentationUrl = `${baseUrl}/api/rooms/presentations/${token}/${expires}/${room.uid}/${encodeURIComponent(room.presentation_file)}`;
+    }
     const analyticsCallbackURL = room.learning_analytics
       ? `${baseUrl}/api/analytics/callback/${room.uid}?token=${getAnalyticsToken(room.uid)}`
       : null;
@@ -602,7 +616,7 @@ router.get('/:uid/public', async (req, res) => {
 // POST /api/rooms/:uid/guest-join - Join meeting as guest (no auth needed)
 router.post('/:uid/guest-join', guestJoinLimiter, async (req, res) => {
   try {
-    const { name, access_code, moderator_code } = req.body;
+    const { name, access_code, moderator_code, avatar_image, avatar_color } = req.body;
 
     if (!name || name.trim().length === 0) {
       return res.status(400).json({ error: 'Name is required' });
@@ -648,7 +662,17 @@ router.post('/:uid/guest-join', guestJoinLimiter, async (req, res) => {
     }
 
     const baseUrl = getBaseUrl(req);
-    const guestAvatarURL = `${baseUrl}/api/auth/avatar/initials/${encodeURIComponent(name.trim())}`;
+    let guestAvatarURL;
+    if (avatar_image) {
+      // Use avatar image of the logged-in user
+      guestAvatarURL = `${baseUrl}/api/auth/avatar/${avatar_image}`;
+    } else if (avatar_color) {
+      // Initials with user color
+      guestAvatarURL = `${baseUrl}/api/auth/avatar/initials/${encodeURIComponent(name.trim())}?color=${encodeURIComponent(avatar_color)}`;
+    } else {
+      // Default: initials without color
+      guestAvatarURL = `${baseUrl}/api/auth/avatar/initials/${encodeURIComponent(name.trim())}`;
+    }
     const joinUrl = await joinMeeting(room.uid, name.trim(), isModerator, guestAvatarURL);
     res.json({ joinUrl });
   } catch (err) {
@@ -679,6 +703,43 @@ router.get('/:uid/status', async (req, res) => {
   }
 });
 
+// GET /api/rooms/presentations/:token/:expires/:roomUid/:filename - Serve presentation file (token-protected for BBB)
+// Token and expires are path segments so the URL ends with the original filename,
+// allowing BBB to detect the file type from the extension.
+router.get('/presentations/:token/:expires/:roomUid/:filename', (req, res) => {
+  const { token, expires, roomUid, filename } = req.params;
+
+  if (!token || !expires) {
+    return res.status(401).json({ error: 'Missing token' });
+  }
+
+  const expiresNum = Number(expires);
+  if (isNaN(expiresNum) || Date.now() > expiresNum) {
+    return res.status(403).json({ error: 'Token expired' });
+  }
+
+  const expected = crypto.createHmac('sha256', PRESENTATION_TOKEN_SECRET)
+    .update(`${roomUid}/${filename}:${expires}`)
+    .digest('hex');
+
+  if (!crypto.timingSafeEqual(Buffer.from(token), Buffer.from(expected))) {
+    return res.status(403).json({ error: 'Invalid token' });
+  }
+
+  // S8: prevent path traversal
+  const roomDir = path.resolve(presentationsDir, roomUid);
+  const filepath = path.resolve(roomDir, filename);
+  if (!filepath.startsWith(presentationsDir + path.sep) || !filepath.startsWith(roomDir + path.sep)) {
+    return res.status(400).json({ error: 'Invalid filename' });
+  }
+
+  if (!fs.existsSync(filepath)) {
+    return res.status(404).json({ error: 'File not found' });
+  }
+
+  res.sendFile(filepath);
+});
+
 // POST /api/rooms/:uid/presentation - Upload a presentation file for the room
 router.post('/:uid/presentation', authenticateToken, async (req, res) => {
   try {
@@ -733,22 +794,28 @@ router.post('/:uid/presentation', authenticateToken, async (req, res) => {
 
     // Preserve original filename (sent as X-Filename header)
     const rawName = req.headers['x-filename'];
-    const originalName = rawName
+    const filename = rawName
       ? decodeURIComponent(rawName).replace(/[^a-zA-Z0-9._\- ]/g, '_').slice(0, 200)
       : `presentation.${ext}`;
 
-    const filename = `${room.uid}_${Date.now()}.${ext}`;
+    // Each room gets its own folder: uploads/presentations/{roomUID}/
-    const filepath = path.join(presentationsDir, filename);
+    const roomDir = path.join(presentationsDir, room.uid);
+    if (!fs.existsSync(roomDir)) fs.mkdirSync(roomDir, { recursive: true });
+    const filepath = path.join(roomDir, filename);
+
+    // S8: defense-in-depth path traversal check
+    if (!path.resolve(filepath).startsWith(roomDir + path.sep)) {
+      return res.status(400).json({ error: 'Invalid filename' });
+    }
 
     // Remove old presentation file if exists
     if (room.presentation_file) {
-      // S8: defense-in-depth path traversal check
+      const oldPath = path.resolve(roomDir, room.presentation_file);
-      const oldPath = path.resolve(presentationsDir, room.presentation_file);
+      if (oldPath.startsWith(roomDir + path.sep) && fs.existsSync(oldPath)) fs.unlinkSync(oldPath);
-      if (oldPath.startsWith(presentationsDir + path.sep) && fs.existsSync(oldPath)) fs.unlinkSync(oldPath);
     }
 
     fs.writeFileSync(filepath, buffer);
-    await db.run('UPDATE rooms SET presentation_file = ?, presentation_name = ?, updated_at = CURRENT_TIMESTAMP WHERE uid = ?', [filename, originalName, req.params.uid]);
+    await db.run('UPDATE rooms SET presentation_file = ?, updated_at = CURRENT_TIMESTAMP WHERE uid = ?', [filename, req.params.uid]);
     const updated = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
     res.json({ room: updated });
   } catch (err) {
@@ -766,11 +833,14 @@ router.delete('/:uid/presentation', authenticateToken, async (req, res) => {
 
     if (room.presentation_file) {
       // S8: defense-in-depth path traversal check
-      const filepath = path.resolve(presentationsDir, room.presentation_file);
+      const roomDir = path.join(presentationsDir, room.uid);
-      if (filepath.startsWith(presentationsDir + path.sep) && fs.existsSync(filepath)) fs.unlinkSync(filepath);
+      const filepath = path.resolve(roomDir, room.presentation_file);
+      if (filepath.startsWith(roomDir + path.sep) && fs.existsSync(filepath)) fs.unlinkSync(filepath);
+      // Remove empty room folder
+      if (fs.existsSync(roomDir) && fs.readdirSync(roomDir).length === 0) fs.rmdirSync(roomDir);
     }
 
-    await db.run('UPDATE rooms SET presentation_file = NULL, presentation_name = NULL, updated_at = CURRENT_TIMESTAMP WHERE uid = ?', [req.params.uid]);
+    await db.run('UPDATE rooms SET presentation_file = NULL, updated_at = CURRENT_TIMESTAMP WHERE uid = ?', [req.params.uid]);
     const updated = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
     res.json({ room: updated });
   } catch (err) {
@@ -779,4 +849,76 @@ router.delete('/:uid/presentation', authenticateToken, async (req, res) => {
   }
 });
 
+// ── POST /api/rooms/invite-email — Send email invitation to guest(s) ────────
+router.post('/invite-email', authenticateToken, async (req, res) => {
+  try {
+    const { room_uid, emails, message } = req.body;
+    if (!room_uid || !emails || !emails.length) {
+      return res.status(400).json({ error: 'room_uid and emails are required' });
+    }
+
+    if (emails.length > 50) {
+      return res.status(400).json({ error: 'Maximum 50 email addresses allowed' });
+    }
+
+    // Validate all emails
+    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+    for (const email of emails) {
+      if (!emailRegex.test(email) || email.length > 254) {
+        return res.status(400).json({ error: `Invalid email address: ${email}` });
+      }
+    }
+
+    if (message && message.length > 2000) {
+      return res.status(400).json({ error: 'Message must not exceed 2000 characters' });
+    }
+
+    const db = getDb();
+
+    // Verify room exists and user has access
+    const room = await db.get('SELECT * FROM rooms WHERE uid = ?', [room_uid]);
+    if (!room) {
+      return res.status(404).json({ error: 'Room not found' });
+    }
+
+    const isOwner = room.user_id === req.user.id;
+    if (!isOwner) {
+      const share = await db.get('SELECT id FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, req.user.id]);
+      if (!share) {
+        return res.status(403).json({ error: 'No permission to invite from this room' });
+      }
+    }
+
+    // Build guest join URL
+    const baseUrl = getBaseUrl(req);
+    const joinUrl = room.access_code
+      ? `${baseUrl}/join/${room.uid}?ac=${encodeURIComponent(room.access_code)}`
+      : `${baseUrl}/join/${room.uid}`;
+
+    const appName = process.env.APP_NAME || 'Redlight';
+    const fromUser = req.user.display_name || req.user.name;
+    const lang = req.user.language || 'en';
+
+    // Send emails (in parallel but collect errors)
+    const results = await Promise.allSettled(
+      emails.map(email =>
+        sendGuestInviteEmail(email, fromUser, room.name, message || null, joinUrl, appName, lang)
+      )
+    );
+
+    const failed = results.filter(r => r.status === 'rejected');
+    if (failed.length === emails.length) {
+      return res.status(500).json({ error: 'Failed to send all email invitations' });
+    }
+    if (failed.length > 0) {
+      log.rooms.warn(`${failed.length}/${emails.length} email invitations failed`);
+    }
+
+    res.json({ success: true, sent: emails.length - failed.length, failed: failed.length });
+  } catch (err) {
+    log.rooms.error('Email invite error:', err);
+    res.status(500).json({ error: err.message || 'Failed to send email invitations' });
+  }
+});
+
 export default router;

src/components/RecordingList.jsx

@@ -122,9 +122,9 @@ export default function RecordingList({ recordings, onRefresh }) {
                       href={format.url}
                       target="_blank"
                       rel="noopener noreferrer"
-                      className="inline-flex items-center gap-1 px-2.5 py-1 rounded-lg bg-th-accent/10 text-th-accent text-xs font-medium hover:bg-th-accent/20 transition-colors"
+                      className="inline-flex items-center gap-2 px-3 py-2 rounded-lg bg-th-accent/10 text-th-accent text-sm font-medium hover:bg-th-accent/20 transition-colors"
                     >
-                      <Play size={12} />
+                      <Play size={14} />
                       {format.type === 'presentation' ? t('recordings.presentation') : format.type}
                     </a>
                   ))}

src/i18n/de.json

@@ -484,7 +484,21 @@
     "oauthRemoveConfirm": "OAuth-Konfiguration wirklich entfernen? Benutzer können sich dann nicht mehr per SSO anmelden.",
     "oauthNotConfigured": "OAuth ist noch nicht konfiguriert.",
     "oauthSave": "OAuth speichern",
-    "oauthRemove": "OAuth entfernen"
+    "oauthRemove": "OAuth entfernen",
+    "roomsTitle": "Raumverwaltung",
+    "roomsDescription": "Alle Räume der Instanz einsehen, verwalten und bei Bedarf löschen.",
+    "searchRooms": "Räume suchen...",
+    "roomName": "Name",
+    "roomOwner": "Besitzer",
+    "roomShares": "Geteilt",
+    "roomCreated": "Erstellt",
+    "roomView": "Raum öffnen",
+    "deleteRoom": "Raum löschen",
+    "deleteRoomConfirm": "Raum \"{name}\" wirklich löschen? Dies kann nicht rückgängig gemacht werden.",
+    "roomDeleted": "Raum gelöscht",
+    "roomDeleteFailed": "Raum konnte nicht gelöscht werden",
+    "noRoomsFound": "Keine Räume vorhanden",
+    "showAllRooms": "Alle {count} Räume anzeigen"
   },
   "notifications": {
     "bell": "Benachrichtigungen",
@@ -500,14 +514,19 @@
     "inbox": "Einladungen",
     "inboxSubtitle": "Meeting-Einladungen von anderen Redlight-Instanzen",
     "inviteTitle": "Remote-Benutzer einladen",
-    "inviteSubtitle": "Einen Benutzer von einer anderen Redlight-Instanz zu diesem Meeting einladen.",
+    "inviteSubtitle": "Du kannst entweder einen Benutzer von einer anderen Redlight-Instanz über seine Adresse einladen oder direkt eine E-Mail-Einladung senden. Es kann nur eine Option gleichzeitig verwendet werden.",
     "addressLabel": "Benutzeradresse",
     "addressPlaceholder": "@benutzer@andere-instanz.com",
     "addressHint": "Format: @Benutzername@Domain der Redlight-Instanz",
+    "emailLabel": "Per E-Mail einladen",
+    "emailPlaceholder": "name@beispiel.de, name2@beispiel.de",
+    "emailHint": "Eine oder mehrere E-Mail-Adressen, durch Komma getrennt",
     "messageLabel": "Nachricht (optional)",
     "messagePlaceholder": "Hallo, ich lade dich zu unserem Meeting ein!",
     "send": "Einladung senden",
     "sent": "Einladung gesendet!",
+    "emailSent": "E-Mail-Einladung(en) gesendet!",
+    "emailSendFailed": "E-Mail-Einladung konnte nicht gesendet werden",
     "sendFailed": "Einladung konnte nicht gesendet werden",
     "from": "Von",
     "accept": "Annehmen",

src/i18n/en.json

@@ -484,7 +484,21 @@
     "oauthRemoveConfirm": "Really remove OAuth configuration? Users will no longer be able to sign in with SSO.",
     "oauthNotConfigured": "OAuth is not configured yet.",
     "oauthSave": "Save OAuth",
-    "oauthRemove": "Remove OAuth"
+    "oauthRemove": "Remove OAuth",
+    "roomsTitle": "Room Management",
+    "roomsDescription": "View, manage, and delete all rooms on this instance.",
+    "searchRooms": "Search rooms...",
+    "roomName": "Name",
+    "roomOwner": "Owner",
+    "roomShares": "Shared",
+    "roomCreated": "Created",
+    "roomView": "View room",
+    "deleteRoom": "Delete room",
+    "deleteRoomConfirm": "Really delete room \"{name}\"? This cannot be undone.",
+    "roomDeleted": "Room deleted",
+    "roomDeleteFailed": "Room could not be deleted",
+    "noRoomsFound": "No rooms found",
+    "showAllRooms": "Show all {count} rooms"
   },
   "notifications": {
     "bell": "Notifications",
@@ -500,14 +514,19 @@
     "inbox": "Invitations",
     "inboxSubtitle": "Meeting invitations from other Redlight instances",
     "inviteTitle": "Invite Remote User",
-    "inviteSubtitle": "Invite a user from another Redlight instance to this meeting.",
+    "inviteSubtitle": "You can either invite a user from another Redlight instance by their address, or send an email invitation directly. Only one option can be used at a time.",
     "addressLabel": "User address",
     "addressPlaceholder": "@user@other-instance.com",
     "addressHint": "Format: @username@domain of the Redlight instance",
+    "emailLabel": "Invite by email",
+    "emailPlaceholder": "name@example.com, name2@example.com",
+    "emailHint": "Enter one or more email addresses, separated by commas",
     "messageLabel": "Message (optional)",
     "messagePlaceholder": "Hi, I'd like to invite you to our meeting!",
     "send": "Send invitation",
     "sent": "Invitation sent!",
+    "emailSent": "Email invitation(s) sent!",
+    "emailSendFailed": "Could not send email invitation",
     "sendFailed": "Could not send invitation",
     "from": "From",
     "accept": "Accept",

src/pages/Admin.jsx

@@ -4,7 +4,7 @@ import {
   Users, Shield, Search, Trash2, ChevronDown, Loader2,
   MoreVertical, Key, UserCheck, UserX, UserPlus, Mail, Lock, User,
   Upload, X as XIcon, Image, Type, Palette, Send, Copy, Clock, Check,
-  ShieldCheck, Globe, Link as LinkIcon, LogIn,
+  ShieldCheck, Globe, Link as LinkIcon, LogIn, DoorOpen, Eye, ExternalLink,
 } from 'lucide-react';
 import { useAuth } from '../contexts/AuthContext';
 import { useLanguage } from '../contexts/LanguageContext';
@@ -55,6 +55,14 @@ export default function Admin() {
   const [oauthForm, setOauthForm] = useState({ issuer: '', clientId: '', clientSecret: '', displayName: 'SSO', autoRegister: true });
   const [savingOauth, setSavingOauth] = useState(false);
 
+  // Rooms state
+  const [adminRooms, setAdminRooms] = useState([]);
+  const [adminRoomsLoading, setAdminRoomsLoading] = useState(true);
+  const [roomSearch, setRoomSearch] = useState('');
+  const [roomsExpanded, setRoomsExpanded] = useState(false);
+  const [showAllRoomsModal, setShowAllRoomsModal] = useState(false);
+  const [allRoomsSearch, setAllRoomsSearch] = useState('');
+
   useEffect(() => {
     if (user?.role !== 'admin') {
       navigate('/dashboard');
@@ -63,6 +71,7 @@ export default function Admin() {
     fetchUsers();
     fetchInvites();
     fetchOauthConfig();
+    fetchAdminRooms();
   }, [user]);
 
   useEffect(() => {
@@ -101,6 +110,29 @@ export default function Admin() {
     }
   };
 
+  const fetchAdminRooms = async () => {
+    setAdminRoomsLoading(true);
+    try {
+      const res = await api.get('/admin/rooms');
+      setAdminRooms(res.data.rooms);
+    } catch {
+      // silently fail
+    } finally {
+      setAdminRoomsLoading(false);
+    }
+  };
+
+  const handleAdminDeleteRoom = async (uid, name) => {
+    if (!confirm(t('admin.deleteRoomConfirm', { name }))) return;
+    try {
+      await api.delete(`/rooms/${uid}`);
+      toast.success(t('admin.roomDeleted'));
+      fetchAdminRooms();
+    } catch (err) {
+      toast.error(err.response?.data?.error || t('admin.roomDeleteFailed'));
+    }
+  };
+
   const handleRoleChange = async (userId, newRole) => {
     try {
       await api.put(`/admin/users/${userId}/role`, { role: newRole });
@@ -790,6 +822,122 @@ export default function Admin() {
         )}
       </div>
 
+      {/* Room Management */}
+      <div className="card p-6 mb-8">
+        <button
+          type="button"
+          onClick={() => setRoomsExpanded(v => !v)}
+          className="flex items-center justify-between w-full text-left"
+        >
+          <div className="flex items-center gap-2">
+            <DoorOpen size={20} className="text-th-accent" />
+            <h2 className="text-lg font-semibold text-th-text">{t('admin.roomsTitle')}</h2>
+            <span className="text-sm text-th-text-s">({adminRooms.length})</span>
+          </div>
+          <ChevronDown size={18} className={`text-th-text-s transition-transform duration-200 ${roomsExpanded ? 'rotate-180' : ''}`} />
+        </button>
+
+        {roomsExpanded && (
+          <div className="mt-4">
+            <p className="text-sm text-th-text-s mb-5">{t('admin.roomsDescription')}</p>
+
+            {adminRoomsLoading ? (
+              <div className="flex justify-center py-4">
+                <Loader2 size={20} className="animate-spin text-th-accent" />
+              </div>
+            ) : (
+              <>
+                {adminRooms.length > 0 && (
+                  <div className="overflow-x-auto">
+                    <table className="w-full">
+                      <thead>
+                        <tr className="border-b border-th-border">
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                            {t('admin.roomName')}
+                          </th>
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden sm:table-cell">
+                            {t('admin.roomOwner')}
+                          </th>
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden md:table-cell">
+                            {t('admin.roomShares')}
+                          </th>
+                          <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden lg:table-cell">
+                            {t('admin.roomCreated')}
+                          </th>
+                          <th className="text-right text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                            {t('admin.actions')}
+                          </th>
+                        </tr>
+                      </thead>
+                      <tbody>
+                        {adminRooms.slice(0, 10).map(r => (
+                          <tr key={r.id} className="border-b border-th-border last:border-0 hover:bg-th-hover transition-colors">
+                            <td className="px-4 py-3">
+                              <div>
+                                <p className="text-sm font-medium text-th-text">{r.name}</p>
+                                <p className="text-xs text-th-text-s font-mono">{r.uid}</p>
+                              </div>
+                            </td>
+                            <td className="px-4 py-3 hidden sm:table-cell">
+                              <div>
+                                <p className="text-sm text-th-text">{r.owner_name}</p>
+                                <p className="text-xs text-th-text-s">{r.owner_email}</p>
+                              </div>
+                            </td>
+                            <td className="px-4 py-3 text-sm text-th-text hidden md:table-cell">
+                              {r.share_count}
+                            </td>
+                            <td className="px-4 py-3 text-sm text-th-text-s hidden lg:table-cell">
+                              {new Date(r.created_at).toLocaleDateString(language === 'de' ? 'de-DE' : 'en-US')}
+                            </td>
+                            <td className="px-4 py-3">
+                              <div className="flex items-center justify-end gap-1">
+                                <button
+                                  onClick={() => navigate(`/rooms/${r.uid}`)}
+                                  className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors"
+                                  title={t('admin.roomView')}
+                                >
+                                  <Eye size={15} />
+                                </button>
+                                <button
+                                  onClick={() => handleAdminDeleteRoom(r.uid, r.name)}
+                                  className="p-1.5 rounded-lg hover:bg-th-hover text-th-error transition-colors"
+                                  title={t('admin.deleteRoom')}
+                                >
+                                  <Trash2 size={15} />
+                                </button>
+                              </div>
+                            </td>
+                          </tr>
+                        ))}
+                      </tbody>
+                    </table>
+                  </div>
+                )}
+
+                {adminRooms.length > 10 && (
+                  <div className="mt-4 text-center">
+                    <button
+                      onClick={() => { setAllRoomsSearch(''); setShowAllRoomsModal(true); }}
+                      className="btn-secondary text-sm"
+                    >
+                      {t('admin.showAllRooms', { count: adminRooms.length })}
+                    </button>
+                  </div>
+                )}
+
+                {adminRooms.length === 0 && (
+                  <div className="text-center py-8">
+                    <DoorOpen size={36} className="mx-auto text-th-text-s/40 mb-2" />
+                    <p className="text-th-text-s text-sm">{t('admin.noRoomsFound')}</p>
+                  </div>
+                )}
+              </>
+            )}
+          </div>
+        )}
+      </div>
+
       {/* Search */}
       <div className="card p-4 mb-6">
         <div className="relative">
@@ -1067,6 +1215,119 @@ export default function Admin() {
           </div>
         </div>
       )}
+
+      {/* All rooms modal */}
+      {showAllRoomsModal && (
+        <div className="fixed inset-0 z-50 flex items-center justify-center p-4">
+          <div className="fixed inset-0 bg-black/60 backdrop-blur-sm" onClick={() => setShowAllRoomsModal(false)} />
+          <div className="relative bg-th-card rounded-2xl border border-th-border shadow-2xl w-full max-w-4xl max-h-[85vh] flex flex-col">
+            <div className="flex items-center justify-between p-6 border-b border-th-border">
+              <div className="flex items-center gap-2">
+                <DoorOpen size={20} className="text-th-accent" />
+                <h3 className="text-lg font-semibold text-th-text">{t('admin.roomsTitle')}</h3>
+                <span className="text-sm text-th-text-s">({adminRooms.length})</span>
+              </div>
+              <button onClick={() => setShowAllRoomsModal(false)} className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors">
+                <XIcon size={18} />
+              </button>
+            </div>
+            <div className="p-4 border-b border-th-border">
+              <div className="relative">
+                <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-th-text-s" />
+                <input
+                  type="text"
+                  value={allRoomsSearch}
+                  onChange={e => setAllRoomsSearch(e.target.value)}
+                  className="input-field pl-9 text-sm"
+                  placeholder={t('admin.searchRooms')}
+                  autoFocus
+                />
+              </div>
+            </div>
+            <div className="overflow-y-auto flex-1 p-0">
+              <table className="w-full">
+                <thead className="sticky top-0 bg-th-card z-10">
+                  <tr className="border-b border-th-border">
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                      {t('admin.roomName')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden sm:table-cell">
+                      {t('admin.roomOwner')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden md:table-cell">
+                      {t('admin.roomShares')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden lg:table-cell">
+                      {t('admin.roomCreated')}
+                    </th>
+                    <th className="text-right text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                      {t('admin.actions')}
+                    </th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {adminRooms
+                    .filter(r =>
+                      r.name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                      r.owner_name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                      r.uid.toLowerCase().includes(allRoomsSearch.toLowerCase())
+                    )
+                    .map(r => (
+                      <tr key={r.id} className="border-b border-th-border last:border-0 hover:bg-th-hover transition-colors">
+                        <td className="px-4 py-3">
+                          <div>
+                            <p className="text-sm font-medium text-th-text">{r.name}</p>
+                            <p className="text-xs text-th-text-s font-mono">{r.uid}</p>
+                          </div>
+                        </td>
+                        <td className="px-4 py-3 hidden sm:table-cell">
+                          <div>
+                            <p className="text-sm text-th-text">{r.owner_name}</p>
+                            <p className="text-xs text-th-text-s">{r.owner_email}</p>
+                          </div>
+                        </td>
+                        <td className="px-4 py-3 text-sm text-th-text hidden md:table-cell">
+                          {r.share_count}
+                        </td>
+                        <td className="px-4 py-3 text-sm text-th-text-s hidden lg:table-cell">
+                          {new Date(r.created_at).toLocaleDateString(language === 'de' ? 'de-DE' : 'en-US')}
+                        </td>
+                        <td className="px-4 py-3">
+                          <div className="flex items-center justify-end gap-1">
+                            <button
+                              onClick={() => { setShowAllRoomsModal(false); navigate(`/rooms/${r.uid}`); }}
+                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors"
+                              title={t('admin.roomView')}
+                            >
+                              <Eye size={15} />
+                            </button>
+                            <button
+                              onClick={() => handleAdminDeleteRoom(r.uid, r.name)}
+                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-error transition-colors"
+                              title={t('admin.deleteRoom')}
+                            >
+                              <Trash2 size={15} />
+                            </button>
+                          </div>
+                        </td>
+                      </tr>
+                    ))}
+                </tbody>
+              </table>
+              {adminRooms.filter(r =>
+                r.name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                r.owner_name.toLowerCase().includes(allRoomsSearch.toLowerCase()) ||
+                r.uid.toLowerCase().includes(allRoomsSearch.toLowerCase())
+              ).length === 0 && (
+                <div className="text-center py-12">
+                  <DoorOpen size={36} className="mx-auto text-th-text-s/40 mb-2" />
+                  <p className="text-th-text-s text-sm">{t('admin.noRoomsFound')}</p>
+                </div>
+              )}
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 }

src/pages/GuestJoin.jsx

@@ -1,5 +1,5 @@
 import { useState, useEffect, useRef } from 'react';
-import { useParams, Link, useSearchParams } from 'react-router-dom';
+import { useParams, Link, useSearchParams, useNavigate } from 'react-router-dom';
 import { Video, User, Lock, Shield, ArrowRight, Loader2, Users, Radio, AlertCircle, FileText, Clock, X } from 'lucide-react';
 import BrandLogo from '../components/BrandLogo';
 import api from '../services/api';
@@ -11,6 +11,7 @@ import { useBranding } from '../contexts/BrandingContext';
 export default function GuestJoin() {
   const { uid } = useParams();
   const [searchParams] = useSearchParams();
+  const navigate = useNavigate();
   const { t } = useLanguage();
   const { user } = useAuth();
   const { imprintUrl, privacyUrl } = useBranding();
@@ -19,7 +20,7 @@ export default function GuestJoin() {
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState(null);
   const [joining, setJoining] = useState(false);
-  const [name, setName] = useState(user?.name || '');
+  const [name, setName] = useState(user?.display_name || user?.name || '');
   const [accessCode, setAccessCode] = useState(searchParams.get('ac') || '');
   const [moderatorCode, setModeratorCode] = useState('');
   const [status, setStatus] = useState({ running: false });
@@ -30,11 +31,17 @@ export default function GuestJoin() {
   const joinMeeting = async () => {
     setJoining(true);
     try {
-      const res = await api.post(`/rooms/${uid}/guest-join`, {
+      const payload = {
         name: name.trim(),
         access_code: accessCode || undefined,
         moderator_code: moderatorCode || undefined,
-      });
+      };
+      // If logged in, send avatar data
+      if (isLoggedIn && user) {
+        if (user.avatar_image) payload.avatar_image = user.avatar_image;
+        if (user.avatar_color) payload.avatar_color = user.avatar_color;
+      }
+      const res = await api.post(`/rooms/${uid}/guest-join`, payload);
       if (res.data.joinUrl) {
         window.location.href = res.data.joinUrl;
       }
@@ -54,6 +61,17 @@ export default function GuestJoin() {
 
   useEffect(() => {
     const fetchRoom = async () => {
+      // If logged in, check if user owns or has access to this room
+      if (isLoggedIn) {
+        try {
+          await api.get(`/rooms/${uid}`);
+          navigate(`/rooms/${uid}`, { replace: true });
+          return;
+        } catch {
+          // User doesn't have access — continue as guest
+        }
+      }
+
       try {
         const res = await api.get(`/rooms/${uid}/public`);
         setRoomInfo(res.data.room);
@@ -89,7 +107,7 @@ export default function GuestJoin() {
   // Auto-join when meeting starts while waiting
   useEffect(() => {
     if (!prevRunningRef.current && status.running && waiting) {
-      new Audio('/sounds/meeting-started.mp3').play().catch(() => {});
+      new Audio('/sounds/meeting-started.mp3').play().catch(() => { });
       toast.success(t('room.guestMeetingStartedJoining'));
       joinMeeting();
     }
@@ -106,7 +124,7 @@ export default function GuestJoin() {
       toast.error(t('room.guestRecordingConsent'));
       return;
     }
-    if (!status.running) {
+    if (!status.running && !roomInfo?.anyone_can_start) {
       setWaiting(true);
       return;
     }
@@ -210,97 +228,97 @@ export default function GuestJoin() {
               )}
             </div>
           ) : (
-          <form onSubmit={handleJoin} className="space-y-4">
+            <form onSubmit={handleJoin} className="space-y-4">
-            <div>
-              <label className="block text-sm font-medium text-th-text mb-1.5">{t('room.guestYourName')} *</label>
-              <div className="relative">
-                <User size={18} className="absolute left-3.5 top-1/2 -translate-y-1/2 text-th-text-s" />
-                <input
-                  type="text"
-                  value={name}
-                  onChange={e => !isLoggedIn && setName(e.target.value)}
-                  readOnly={isLoggedIn}
-                  className={`input-field pl-11 ${isLoggedIn ? 'opacity-70 cursor-not-allowed' : ''}`}
-                  placeholder={t('room.guestNamePlaceholder')}
-                  required
-                  autoFocus={!isLoggedIn}
-                />
-              </div>
-            </div>
-
-            {roomInfo.has_access_code && (
               <div>
-                <label className="block text-sm font-medium text-th-text mb-1.5">{t('room.guestAccessCode')}</label>
+                <label className="block text-sm font-medium text-th-text mb-1.5">{t('room.guestYourName')} *</label>
                 <div className="relative">
-                  <Lock size={18} className="absolute left-3.5 top-1/2 -translate-y-1/2 text-th-text-s" />
+                  <User size={18} className="absolute left-3.5 top-1/2 -translate-y-1/2 text-th-text-s" />
                   <input
                     type="text"
-                    value={accessCode}
+                    value={name}
-                    onChange={e => setAccessCode(e.target.value)}
+                    onChange={e => !isLoggedIn && setName(e.target.value)}
-                    className="input-field pl-11"
+                    readOnly={isLoggedIn}
-                    placeholder={t('room.guestAccessCodePlaceholder')}
+                    className={`input-field pl-11 ${isLoggedIn ? 'opacity-70 cursor-not-allowed' : ''}`}
+                    placeholder={t('room.guestNamePlaceholder')}
+                    required
+                    autoFocus={!isLoggedIn}
                   />
                 </div>
               </div>
-            )}
 
-            <div>
+              {roomInfo.has_access_code && (
-              <label className="block text-sm font-medium text-th-text mb-1.5">
+                <div>
-                {t('room.guestModeratorCode')}
+                  <label className="block text-sm font-medium text-th-text mb-1.5">{t('room.guestAccessCode')}</label>
-                <span className="text-th-text-s font-normal ml-1">{t('room.guestModeratorOptional')}</span>
+                  <div className="relative">
-              </label>
+                    <Lock size={18} className="absolute left-3.5 top-1/2 -translate-y-1/2 text-th-text-s" />
-              <div className="relative">
+                    <input
-                <Shield size={18} className="absolute left-3.5 top-1/2 -translate-y-1/2 text-th-text-s" />
+                      type="text"
-                <input
+                      value={accessCode}
-                  type="text"
+                      onChange={e => setAccessCode(e.target.value)}
-                  value={moderatorCode}
+                      className="input-field pl-11"
-                  onChange={e => setModeratorCode(e.target.value)}
+                      placeholder={t('room.guestAccessCodePlaceholder')}
-                  className="input-field pl-11"
+                    />
-                  placeholder={t('room.guestModeratorPlaceholder')}
+                  </div>
-                />
-              </div>
-            </div>
-
-            {/* Recording consent notice */}
-            {roomInfo.allow_recording && (
-              <div className="rounded-xl border border-amber-500/30 bg-amber-500/10 p-4 space-y-3">
-                <div className="flex items-start gap-2">
-                  <AlertCircle size={16} className="text-amber-500 flex-shrink-0 mt-0.5" />
-                  <p className="text-sm text-amber-400">{t('room.guestRecordingNotice')}</p>
                 </div>
-                <label className="flex items-center gap-2.5 cursor-pointer">
-                  <input
-                    type="checkbox"
-                    checked={recordingConsent}
-                    onChange={e => setRecordingConsent(e.target.checked)}
-                    className="w-4 h-4 rounded accent-amber-500 cursor-pointer"
-                  />
-                  <span className="text-sm text-th-text">{t('room.guestRecordingConsent')}</span>
-                </label>
-              </div>
-            )}
-
-            <button
-              type="submit"
-              disabled={joining || (roomInfo.allow_recording && !recordingConsent)}
-              className="btn-primary w-full py-3"
-            >
-              {joining ? (
-                <Loader2 size={18} className="animate-spin" />
-              ) : (
-                <>
-                  {t('room.guestJoinButton')}
-                  <ArrowRight size={18} />
-                </>
               )}
-            </button>
 
-            {!status.running && (
+              <div>
-              <p className="text-xs text-th-text-s text-center">
+                <label className="block text-sm font-medium text-th-text mb-1.5">
-                {t('room.guestWaitingMessage')}
+                  {t('room.guestModeratorCode')}
-              </p>
+                  <span className="text-th-text-s font-normal ml-1">{t('room.guestModeratorOptional')}</span>
-            )}
+                </label>
-          </form>
+                <div className="relative">
+                  <Shield size={18} className="absolute left-3.5 top-1/2 -translate-y-1/2 text-th-text-s" />
+                  <input
+                    type="text"
+                    value={moderatorCode}
+                    onChange={e => setModeratorCode(e.target.value)}
+                    className="input-field pl-11"
+                    placeholder={t('room.guestModeratorPlaceholder')}
+                  />
+                </div>
+              </div>
+
+              {/* Recording consent notice */}
+              {roomInfo.allow_recording && (
+                <div className="rounded-xl border border-amber-500/30 bg-amber-500/10 p-4 space-y-3">
+                  <div className="flex items-start gap-2">
+                    <AlertCircle size={16} className="text-amber-500 flex-shrink-0 mt-0.5" />
+                    <p className="text-sm text-amber-400">{t('room.guestRecordingNotice')}</p>
+                  </div>
+                  <label className="flex items-center gap-2.5 cursor-pointer">
+                    <input
+                      type="checkbox"
+                      checked={recordingConsent}
+                      onChange={e => setRecordingConsent(e.target.checked)}
+                      className="w-4 h-4 rounded accent-amber-500 cursor-pointer"
+                    />
+                    <span className="text-sm text-th-text">{t('room.guestRecordingConsent')}</span>
+                  </label>
+                </div>
+              )}
+
+              <button
+                type="submit"
+                disabled={joining || (roomInfo.allow_recording && !recordingConsent)}
+                className="btn-primary w-full py-3"
+              >
+                {joining ? (
+                  <Loader2 size={18} className="animate-spin" />
+                ) : (
+                  <>
+                    {t('room.guestJoinButton')}
+                    <ArrowRight size={18} />
+                  </>
+                )}
+              </button>
+
+              {!status.running && !roomInfo?.anyone_can_start && (
+                <p className="text-xs text-th-text-s text-center">
+                  {t('room.guestWaitingMessage')}
+                </p>
+              )}
+            </form>
           )}
 
           {!isLoggedIn && (

src/pages/RoomDetail.jsx

@@ -51,6 +51,7 @@ export default function RoomDetail() {
   // Federation invite state
   const [showFedInvite, setShowFedInvite] = useState(false);
   const [fedAddress, setFedAddress] = useState('');
+  const [fedEmails, setFedEmails] = useState('');
   const [fedMessage, setFedMessage] = useState('');
   const [fedSending, setFedSending] = useState(false);
 
@@ -266,25 +267,51 @@ export default function RoomDetail() {
 
   const handleFedInvite = async (e) => {
     e.preventDefault();
-    // Accept @user@domain or user@domain — must have a domain part
+    const hasAddress = fedAddress.trim().length > 0;
-    const normalized = fedAddress.startsWith('@') ? fedAddress.slice(1) : fedAddress;
+    const hasEmails = fedEmails.trim().length > 0;
-    if (!normalized.includes('@') || normalized.endsWith('@')) {
+
+    if (!hasAddress && !hasEmails) {
       toast.error(t('federation.addressHint'));
       return;
     }
+
     setFedSending(true);
     try {
-      await api.post('/federation/invite', {
+      if (hasAddress) {
-        room_uid: uid,
+        // Federation address mode
-        to: fedAddress,
+        const normalized = fedAddress.startsWith('@') ? fedAddress.slice(1) : fedAddress;
-        message: fedMessage || undefined,
+        if (!normalized.includes('@') || normalized.endsWith('@')) {
-      });
+          toast.error(t('federation.addressHint'));
-      toast.success(t('federation.sent'));
+          setFedSending(false);
+          return;
+        }
+        await api.post('/federation/invite', {
+          room_uid: uid,
+          to: fedAddress,
+          message: fedMessage || undefined,
+        });
+        toast.success(t('federation.sent'));
+      } else {
+        // Email mode
+        const emailList = fedEmails.split(',').map(e => e.trim()).filter(Boolean);
+        if (emailList.length === 0) {
+          toast.error(t('federation.emailHint'));
+          setFedSending(false);
+          return;
+        }
+        await api.post('/rooms/invite-email', {
+          room_uid: uid,
+          emails: emailList,
+          message: fedMessage || undefined,
+        });
+        toast.success(t('federation.emailSent'));
+      }
       setShowFedInvite(false);
       setFedAddress('');
+      setFedEmails('');
       setFedMessage('');
     } catch (err) {
-      toast.error(err.response?.data?.error || t('federation.sendFailed'));
+      toast.error(err.response?.data?.error || t(hasAddress ? 'federation.sendFailed' : 'federation.emailSendFailed'));
     } finally {
       setFedSending(false);
     }
@@ -717,7 +744,7 @@ export default function RoomDetail() {
                   <div className="min-w-0">
                     <p className="text-xs text-th-text-s">{t('room.presentationCurrent')}</p>
                     <p className="text-sm text-th-text font-medium truncate">
-                      {room.presentation_name || `presentation.${room.presentation_file?.split('.').pop()}`}
+                      {room.presentation_file}
                     </p>
                   </div>
                 </div>
@@ -857,13 +884,33 @@ export default function RoomDetail() {
               <input
                 type="text"
                 value={fedAddress}
-                onChange={e => setFedAddress(e.target.value)}
+                onChange={e => { setFedAddress(e.target.value); if (e.target.value) setFedEmails(''); }}
                 className="input-field"
                 placeholder={t('federation.addressPlaceholder')}
-                required
+                disabled={fedEmails.trim().length > 0}
               />
               <p className="text-xs text-th-text-s mt-1">{t('federation.addressHint')}</p>
             </div>
+
+            <div className="flex items-center gap-3 my-2">
+              <div className="flex-1 border-t border-th-border" />
+              <span className="text-xs text-th-text-s uppercase">{t('common.or')}</span>
+              <div className="flex-1 border-t border-th-border" />
+            </div>
+
+            <div>
+              <label className="block text-sm font-medium text-th-text mb-1.5">{t('federation.emailLabel')}</label>
+              <input
+                type="text"
+                value={fedEmails}
+                onChange={e => { setFedEmails(e.target.value); if (e.target.value) setFedAddress(''); }}
+                className="input-field"
+                placeholder={t('federation.emailPlaceholder')}
+                disabled={fedAddress.trim().length > 0}
+              />
+              <p className="text-xs text-th-text-s mt-1">{t('federation.emailHint')}</p>
+            </div>
+
             <div>
               <label className="block text-sm font-medium text-th-text mb-1.5">{t('federation.messageLabel')}</label>
               <textarea
@@ -878,7 +925,7 @@ export default function RoomDetail() {
               <button type="button" onClick={() => setShowFedInvite(false)} className="btn-secondary flex-1">
                 {t('common.cancel')}
               </button>
-              <button type="submit" disabled={fedSending} className="btn-primary flex-1">
+              <button type="submit" disabled={fedSending || (!fedAddress.trim() && !fedEmails.trim())} className="btn-primary flex-1">
                 {fedSending ? <Loader2 size={16} className="animate-spin" /> : <Send size={16} />}
                 {t('federation.send')}
               </button>