Add Accept header to POST request in main.ts for improved API compatibility

Author: vibegui

pilot/server/main.ts

@@ -1006,6 +1006,7 @@ async function main() {
                   method: "POST",
                   headers: {
                     "Content-Type": "application/json",
+                    Accept: "application/json",
                     Authorization: `Bearer ${config.meshToken}`,
                   },
                   body: JSON.stringify({