feat(coding): complete PI conversation UI

src/lib/coding-projects.ts

@@ -46,3 +46,21 @@ export async function createCodingProjectConversation(input: {
   );
   return response.conversation;
 }
+
+export async function patchCodingProjectConversation(
+  conversationId: string,
+  patch: { title?: string; archived?: boolean; unread?: boolean },
+): Promise<CodingConversationMetadata> {
+  const response = await hostApiFetch<{ conversation: CodingConversationMetadata }>(
+    `/api/coding/conversations/${encodeURIComponent(conversationId)}`,
+    { method: 'PATCH', body: JSON.stringify(patch) },
+  );
+  return response.conversation;
+}
+
+export async function deleteCodingProjectConversation(conversationId: string): Promise<void> {
+  await hostApiFetch(
+    `/api/coding/conversations/${encodeURIComponent(conversationId)}`,
+    { method: 'DELETE' },
+  );
+}