add option to create an adhoc link

launch.html

@@ -249,6 +249,29 @@
         color: #0066cc;
       }
 
+      .adhoc-result {
+        margin-top: 24px;
+        padding: 16px;
+        border-radius: 8px;
+        background: #f0fff4;
+        color: #1a7f37;
+      }
+
+      .adhoc-link {
+        margin-top: 12px;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        gap: 8px;
+        flex-wrap: wrap;
+      }
+
+      .adhoc-link a {
+        font-family: monospace;
+        word-break: break-all;
+        color: #0066cc;
+      }
+
       @keyframes spin {
         to {
           transform: rotate(360deg);
@@ -315,6 +338,15 @@
         background: #1a3a5a;
         color: #99ccff;
       }
+
+      :root.dark .adhoc-result {
+        background: #1c3527;
+        color: #7ee2a8;
+      }
+
+      :root.dark .adhoc-link a {
+        color: #99ccff;
+      }
     </style>
   </head>
 
@@ -549,10 +581,21 @@
             <button id="createMeetingButton" class="button primary" type="button" data-i18n="creator.createButton">
               Create Meeting
             </button>
+            <button id="createAdhocButton" class="button secondary" type="button" data-i18n="creator.adhocButton">
+              Create Adhoc Link
+            </button>
             <button id="cancelCreateButton" class="button secondary" type="button" data-i18n="creator.cancelButton">
               Cancel
             </button>
           </div>
+
+          <div id="adhocResult" class="adhoc-result hidden">
+            <span data-i18n="creator.adhocLinkLabel">Your adhoc meeting link:</span>
+            <div class="adhoc-link">
+              <a id="adhocLink" target="_blank" rel="noopener noreferrer"></a>
+              <button id="copyAdhocLinkButton" class="button secondary" type="button" data-i18n="creator.copyLinkButton">Copy Link</button>
+            </div>
+          </div>
           
           <div id="icsSuccess" class="success-message hidden">
             <span data-i18n="creator.successMessage">Meeting created! Download your calendar file and open it to import the meeting into your personal calendar.</span>
@@ -685,6 +728,10 @@
             successMessage: "Meeting created! Download your calendar file and open it to import the meeting into your personal calendar.",
             downloadButton: "Download ICS File",
             createNewButton: "Create New Meeting",
+            adhocButton: "Create Adhoc Link",
+            adhocLinkLabel: "Your adhoc meeting link:",
+            copyLinkButton: "Copy Link",
+            copiedLabel: "Copied!",
             meetingNameRequired: "Please enter a meeting name",
             meetingNameInvalid: "Meeting name may only contain letters, numbers and hyphens",
             startTimeRequired: "Please select a start time",
@@ -775,6 +822,10 @@
             successMessage: "Meeting erstellt! Laden Sie Ihre Kalenderdatei herunter und öffnen Sie diese, um das Meeting in Ihren persönlichen Kalender zu importieren.",
             downloadButton: "ICS-Datei herunterladen",
             createNewButton: "Neues Meeting erstellen",
+            adhocButton: "Adhoc-Link erstellen",
+            adhocLinkLabel: "Ihr Adhoc-Meeting-Link:",
+            copyLinkButton: "Link kopieren",
+            copiedLabel: "Kopiert!",
             meetingNameRequired: "Bitte geben Sie einen Meeting-Namen ein",
             meetingNameInvalid: "Der Meeting-Name darf nur Buchstaben, Zahlen und Bindestriche enthalten",
             startTimeRequired: "Bitte wählen Sie eine Startzeit",
@@ -864,6 +915,10 @@
             successMessage: "Réunion créée ! Téléchargez votre fichier calendrier et ouvrez-le pour importer la réunion dans votre calendrier personnel.",
             downloadButton: "Télécharger le fichier ICS",
             createNewButton: "Créer une nouvelle réunion",
+            adhocButton: "Créer un lien adhoc",
+            adhocLinkLabel: "Votre lien de réunion adhoc :",
+            copyLinkButton: "Copier le lien",
+            copiedLabel: "Copié !",
             meetingNameRequired: "Veuillez entrer un nom de réunion",
             meetingNameInvalid: "Le nom de la réunion ne peut contenir que des lettres, des chiffres et des tirets",
             startTimeRequired: "Veuillez sélectionner une heure de début",
@@ -947,6 +1002,10 @@
             successMessage: "会议已创建！请下载您的日历文件并打开它，将会议导入您的个人日历。",
             downloadButton: "下载 ICS 文件",
             createNewButton: "创建新会议",
+            adhocButton: "创建临时链接",
+            adhocLinkLabel: "您的临时会议链接：",
+            copyLinkButton: "复制链接",
+            copiedLabel: "已复制！",
             meetingNameRequired: "请输入会议名称",
             meetingNameInvalid: "会议名称只能包含字母、数字和连字符",
             startTimeRequired: "请选择开始时间",
@@ -1243,9 +1302,13 @@
       const meetingEndInput = document.getElementById("meetingEnd");
       const meetingOrganizerInput = document.getElementById("meetingOrganizer");
       const createMeetingButton = document.getElementById("createMeetingButton");
+      const createAdhocButton = document.getElementById("createAdhocButton");
       const cancelCreateButton = document.getElementById("cancelCreateButton");
       const icsSuccess = document.getElementById("icsSuccess");
       const downloadIcsLink = document.getElementById("downloadIcsLink");
+      const adhocResult = document.getElementById("adhocResult");
+      const adhocLink = document.getElementById("adhocLink");
+      const copyAdhocLinkButton = document.getElementById("copyAdhocLinkButton");
 
       /* Language menu DOM elements */
       const langMenu = document.getElementById("langMenu");
@@ -1778,6 +1841,7 @@ END:VCALENDAR`;
         meetingEndInput.value = '';
         meetingOrganizerInput.value = '';
         icsSuccess.classList.add("hidden");
+        adhocResult.classList.add("hidden");
         
         /* Set default start and end times */
         const start = roundMinutes(new Date());
@@ -1843,11 +1907,60 @@ END:VCALENDAR`;
         
         /* Show success message */
         icsSuccess.classList.remove("hidden");
-        
+        adhocResult.classList.add("hidden");
+
         /* Scroll to success message */
         icsSuccess.scrollIntoView({ behavior: 'smooth' });
       }
 
+      /* ============================================================
+       * ADHOC LINK
+       * ============================================================
+       */
+
+      function createAdhocLink() {
+        const meetingName = meetingNameInput.value.trim();
+
+        if (!meetingName) {
+          alert(getTranslation('creator.meetingNameRequired') || 'Please enter a meeting name');
+          return;
+        }
+
+        if (!ROOM_PATTERN.test(createRoomName(meetingName))) {
+          alert(getTranslation('creator.meetingNameInvalid') || 'Meeting name may only contain letters, numbers and hyphens');
+          return;
+        }
+
+        const roomName = createRoomName(meetingName);
+        const url = `https://${CONFIG.jitsiLauncher}/launch.html?room=${encodeURIComponent(roomName)}`;
+
+        adhocLink.href = url;
+        adhocLink.textContent = url;
+        icsSuccess.classList.add("hidden");
+        adhocResult.classList.remove("hidden");
+        adhocResult.scrollIntoView({ behavior: 'smooth' });
+      }
+
+      async function copyAdhocLink() {
+        const url = adhocLink.href;
+
+        try {
+          await navigator.clipboard.writeText(url);
+        } catch (error) {
+          const input = document.createElement('textarea');
+          input.value = url;
+          document.body.appendChild(input);
+          input.select();
+          document.execCommand('copy');
+          document.body.removeChild(input);
+        }
+
+        copyAdhocLinkButton.textContent = getTranslation('creator.copiedLabel') || 'Copied!';
+        setTimeout(() => {
+          copyAdhocLinkButton.textContent = getTranslation('creator.copyLinkButton') || 'Copy Link';
+        }, 2000);
+      }
+
       function cancelCreateMeeting() {
         meetingCreator.classList.add("hidden");
         
@@ -1980,6 +2093,16 @@ END:VCALENDAR`;
         createMeeting
       );
 
+      createAdhocButton.addEventListener(
+        "click",
+        createAdhocLink
+      );
+
+      copyAdhocLinkButton.addEventListener(
+        "click",
+        copyAdhocLink
+      );
+
       cancelCreateButton.addEventListener(
         "click",
         cancelCreateMeeting