fix(cli): wire command:result + system:reload socket events in TUI (#187)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

packages/cli/src/tui/gateway-api.ts

@@ -110,6 +110,31 @@ async function handleResponse<T>(res: Response, errorPrefix: string): Promise<T>
   return (await res.json()) as T;
 }
 
+// ── Conversation types ──
+
+export interface ConversationInfo {
+  id: string;
+  title: string | null;
+  archived: boolean;
+  createdAt: string;
+  updatedAt: string;
+}
+
+// ── Conversation endpoints ──
+
+export async function createConversation(
+  gatewayUrl: string,
+  sessionCookie: string,
+  data: { title?: string; projectId?: string } = {},
+): Promise<ConversationInfo> {
+  const res = await fetch(`${gatewayUrl}/api/conversations`, {
+    method: 'POST',
+    headers: jsonHeaders(sessionCookie, gatewayUrl),
+    body: JSON.stringify(data),
+  });
+  return handleResponse<ConversationInfo>(res, 'Failed to create conversation');
+}
+
 // ── Provider / Model endpoints ──
 
 export async function fetchAvailableModels(