agent has to be a variable

packages/client-direct/src/api.ts

@@ -178,15 +178,15 @@ export function createApiRouter(
         }
 
         // start it up (and register it)
-        agent = await directClient.startAgent(character);
+        const agent = await directClient.startAgent(character);
         elizaLogger.log(`${character.name} started`);
 
         res.json({
             id: character.id,
             character: character,
         });
     });
-    
+
     router.get("/agents/:agentId/channels", async (req, res) => {
         const { agentId } = validateUUIDParams(req.params, res) ?? {
             agentId: null,