chore: release v0.4.0

Author: egavrin

package.json

@@ -1,6 +1,6 @@
 {
   "name": "devagent-ts",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "private": true,
   "packageManager": "bun@1.3.10",
   "license": "MIT",