Fix API key names and manually push Docker image

- Fixed .env template to use ADD_API_KEY (matches test.py expectations)
- Manually built and pushed updated Docker image to ghcr.io
- All file paths verified and working correctly
- Template version updated to 0.4.9

🤖 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 [ ! -f .env ]; then echo \"# GoodMem Configuration\" > .env; echo \"GOODMEM_API_KEY=your-goodmem-api-key-here\" >> .env; echo \"OPENAI_API_KEY=your-openai-api-key-here\" >> .env; echo \"ANTHROPIC_API_KEY=your-anthropic-api-key-here\" >> .env; echo \"\" >> .env; echo \"# GoodMem Server Settings\" >> .env; echo \"GOODMEM_SERVER_URL=http://localhost:8080\" >> .env; echo \"GOODMEM_DEBUG=true\" >> .env; echo \"Created .env file with API key templates\"; else echo \".env file already exists, skipping creation\"; fi && /usr/local/bin/goodmem-setup.sh'",
+  "postCreateCommand": "bash -c 'if [ ! -f .env ]; then echo \"# GoodMem Configuration\" > .env; echo \"ADD_API_KEY=your-goodmem-api-key-here\" >> .env; echo \"OPENAI_API_KEY=your-openai-api-key-here\" >> .env; echo \"ANTHROPIC_API_KEY=your-anthropic-api-key-here\" >> .env; echo \"\" >> .env; echo \"# GoodMem Server Settings\" >> .env; echo \"GOODMEM_SERVER_URL=http://localhost:8080\" >> .env; echo \"GOODMEM_DEBUG=true\" >> .env; echo \"Created .env file with API key templates\"; else echo \".env file already exists, skipping creation\"; fi && /usr/local/bin/goodmem-setup.sh'",
   "remoteUser": "vscode"
 }

src/goodmem-devcontainer/devcontainer-template.json

@@ -1,6 +1,6 @@
 {
   "id": "goodmem-devcontainer",
-  "version": "0.4.8",
+  "version": "0.4.9",
   "name": "GoodMem DevContainer",
   "description": "Prebuilt devcontainer with full multi-language SDK setup for GoodMem projects.",
   "documentationURL": "https://github.com/PAIR-Systems-Inc/devcontainer",