Fix USER environment variable for GoodMem installer

- Export USER=vscode before GoodMem installation to prevent usermod error
- Update template version to 0.6.2

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: mariamahmad8

src/goodmem-devcontainer/.devcontainer/devcontainer.json

@@ -78,6 +78,6 @@
     "source=goodmem-postgres-data,target=/var/lib/postgresql/data,type=volume",
     "source=goodmem-docker-data,target=/var/lib/docker,type=volume"
   ],
-  "postCreateCommand": "bash -c 'if [ \"$SKIP_POSTCREATE\" != \"true\" ]; then curl -s https://get.goodmem.ai | bash; else echo \"Skipping GoodMem installation (CI mode)\"; fi'",
+  "postCreateCommand": "bash -c 'if [ \"$SKIP_POSTCREATE\" != \"true\" ]; then export USER=vscode && curl -s https://get.goodmem.ai | bash; else echo \"Skipping GoodMem installation (CI mode)\"; fi'",
   "remoteUser": "vscode"
 }

src/goodmem-devcontainer/devcontainer-template.json

@@ -1,6 +1,6 @@
 {
   "id": "goodmem-devcontainer",
-  "version": "0.6.1",
+  "version": "0.6.2",
   "name": "GoodMem DevContainer",
   "description": "Prebuilt devcontainer with full multi-language SDK setup for GoodMem projects.",
   "documentationURL": "https://github.com/PAIR-Systems-Inc/devcontainer",