updated orchestion to handle updating and deleting sessions

packages/chat-client/src/api/orchestration.js

@@ -142,4 +142,21 @@ export async function fetchModels() {
   const res = await fetch(`${BASE_URL}/models`);
   if(!res.ok) throw new Error(`Failted to fetch models: ${res.status}`);
   return res.json();
+}
+
+export async function renameSession(sessionId, name) {
+    const res = await fetch(`${BASE_URL}/sessions/${sessionId}`, {
+        method: 'PATCH',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ name }),
+    });
+    if (!res.ok) throw new Error(`Failed to rename session: ${res.status}`);
+    return res.json();
+}
+
+export async function deleteSession(sessionId) {
+    const res = await fetch(`${BASE_URL}/sessions/${sessionId}`, {
+        method: 'DELETE',
+    });
+    if (!res.ok) throw new Error(`Failed to delete session: ${res.status}`);
 }