Show Guest Star channel settings

src/App.svelte

@@ -145,6 +145,7 @@
   let collaboratorSearchError = '';
   let collaboratorSearchTimer: number | undefined;
   let sharedChatSession: { session_id: string; host_broadcaster_id: string; participants: Array<{ broadcaster_id: string }> } | null = null;
+  let collaborationSettings: { is_moderator_send_live_enabled: boolean; slot_count: number; is_browser_source_audio_enabled: boolean; group_layout: string; browser_source_token: string } | null = null;
   let oauthLink = '';
   let oauthIdentity: 'streamer' | 'bot' = 'streamer';
   let oauthBusy = false;
@@ -361,6 +362,7 @@
     chatMessages = [];
     collaborationSession = null;
     collaborationInvites = [];
+    collaborationSettings = null;
     showCollaboration = false;
     chatReplyParent = undefined;
     chatThreadRoot = undefined;
@@ -450,9 +452,12 @@
       }
       const sharedChat = await fetch(`${serverAddress}/api/v1/twitch/collaboration/shared-chat`, { headers: { authorization: `Bearer ${sessionToken}` } });
       if (sharedChat.ok) sharedChatSession = await sharedChat.json();
+      const settings = await fetch(`${serverAddress}/api/v1/twitch/collaboration/channel-settings`, { headers: { authorization: `Bearer ${sessionToken}` } });
+      if (settings.ok) collaborationSettings = await settings.json();
     } catch {
       collaborationSession = null;
       sharedChatSession = null;
+      collaborationSettings = null;
     }
   }
 
@@ -1196,7 +1201,7 @@
           <div class="panel-header"><span>ACTIVE COLLABORATION</span><span class="badge">{collaborationSession.guests.length} GUESTS</span></div>
           <div class="collaboration-active-grid">
             <div class="collaboration-call-placeholder"><div class="offline-mark">GUEST STAR CALL</div><div class="offline-subtitle">The call is controlled by Twitch</div><p class="settings-note">Twitch does not expose the call media as an embeddable Trixie API. Use Twitch for the live call controls while Trixie keeps the session, slots, invites, and shared-chat state synchronized.</p><button class="secondary" onclick={() => window.open('https://www.twitch.tv', '_blank', 'noopener,noreferrer')}>OPEN ON TWITCH</button></div>
-            <div class="collaboration-state-panel"><div class="micro">PARTICIPANTS</div>{#each collaborationSession.guests as guest}<div class="collaboration-invite"><span>{guest.user_display_name || guest.user_id}</span><span class="micro">{guest.is_live ? 'LIVE' : 'WAITING'}{guest.slot_id ? ` · SLOT ${guest.slot_id}` : ''}</span></div>{:else}<div class="empty-row">No participants have joined.</div>{/each}<div class="micro collaboration-subheading">SHARED CHAT</div>{#if sharedChatSession}<div class="collaboration-status">ACTIVE · {sharedChatSession.participants.length} CHANNELS</div>{:else}<div class="empty-row">Shared Chat is not active.</div>{/if}<button class="danger control-button" onclick={endCollaboration} disabled={collaborationBusy}>END SESSION</button></div>
+            <div class="collaboration-state-panel"><div class="micro">PARTICIPANTS</div>{#each collaborationSession.guests as guest}<div class="collaboration-invite"><span>{guest.user_display_name || guest.user_id}</span><span class="micro">{guest.is_live ? 'LIVE' : 'WAITING'}{guest.slot_id ? ` · SLOT ${guest.slot_id}` : ''}</span></div>{:else}<div class="empty-row">No participants have joined.</div>{/each}<div class="micro collaboration-subheading">SHARED CHAT</div>{#if sharedChatSession}<div class="collaboration-status">ACTIVE · {sharedChatSession.participants.length} CHANNELS</div>{:else}<div class="empty-row">Shared Chat is not active.</div>{/if}{#if collaborationSettings}<div class="micro collaboration-subheading">CHANNEL SETTINGS</div><div class="collaboration-status">{collaborationSettings.slot_count} SLOTS · {collaborationSettings.group_layout}</div><div class="micro">AUDIO {collaborationSettings.is_browser_source_audio_enabled ? 'ENABLED' : 'DISABLED'} · MODERATOR LIVE CONTROL {collaborationSettings.is_moderator_send_live_enabled ? 'ENABLED' : 'DISABLED'}</div>{/if}<button class="danger control-button" onclick={endCollaboration} disabled={collaborationBusy}>END SESSION</button></div>
           </div>
           {#if collaborationError}<div class="auth-error">{collaborationError}</div>{/if}
         </section>