MemGPT

chore(security): replace deactivated keys with placeholders

feat: require `LLMConfig` and `EmbeddingConfig` to be specified for agent creation + allow multiple simultaneous provider configs for server (#1814)

feat: Set up code scaffolding for complex e2e tests and write tests for OpenAI GPT4 endpoint (#1827)

chore: allow app.letta.com access to local if user grants permission (#1830)

rename test