fix: update photon-core to v2.18.1 for broken symlink cleanup

Author: Arul-

package-lock.json

@@ -112,7 +112,7 @@
     "@modelcontextprotocol/ext-apps": "^1.0.1",
     "@modelcontextprotocol/sdk": "^1.25.2",
     "@portel/cli": "^1.1.0",
-    "@portel/photon-core": "^2.18.0",
+    "@portel/photon-core": "^2.18.1",
     "boxen": "^8.0.1",
     "chalk": "^5.4.1",
     "chart.js": "^4.5.1",