load collaboration favorites

src/App.svelte

@@ -59,6 +59,7 @@
   let collaborationError = '';
   let showCollaboration = false;
   let collaborationGuestId = '';
+  let collaborators: Array<{ twitch_user_id: string; display_name: string; favorite: boolean; last_invited_at: string | null }> = [];
   let sharedChatSession: { session_id: string; host_broadcaster_id: string; participants: Array<{ broadcaster_id: string }> } | null = null;
   let oauthLink = '';
   let oauthIdentity: 'streamer' | 'bot' = 'streamer';
@@ -134,6 +135,7 @@
       await loadDiagnostics();
       await loadOAuthStatus();
       await loadCollaboration();
+      await loadCollaborators();
       await loadBotCommands();
       await loadBotSecrets();
       await loadOverlays();
@@ -311,6 +313,22 @@
     }
   }
 
+  async function loadCollaborators() {
+    try {
+      const response = await fetch(`${serverAddress}/api/v1/twitch/collaboration/collaborators`, { headers: { authorization: `Bearer ${sessionToken}` } });
+      if (response.ok) collaborators = await response.json();
+    } catch {
+      collaborators = [];
+    }
+  }
+
+  async function toggleCollaboratorFavorite(collaborator: (typeof collaborators)[number]) {
+    const method = collaborator.favorite ? 'DELETE' : 'POST';
+    const url = collaborator.favorite ? `${serverAddress}/api/v1/twitch/collaboration/favorites?twitch_user_id=${encodeURIComponent(collaborator.twitch_user_id)}` : `${serverAddress}/api/v1/twitch/collaboration/favorites`;
+    const response = await fetch(url, { method, headers: { authorization: `Bearer ${sessionToken}`, ...(method === 'POST' ? { 'content-type': 'application/json' } : {}) }, ...(method === 'POST' ? { body: JSON.stringify({ twitch_user_id: collaborator.twitch_user_id, display_name: collaborator.display_name }) } : {}) });
+    if (response.ok) await loadCollaborators();
+  }
+
   async function createCollaboration() {
     collaborationBusy = true;
     collaborationError = '';