## letta-ai/letta-code — v0.34.2…v0.34.3

_21 commits._

### Features
- **feat(cli): merge model_settings via letta model set (#4950)** (151227b)
- **feat(subagents): inherit parent MCP servers automatically (#4921)** (cf8e7b6)
- **feat(subagents): let subagents launch one nested layer and message their parent [LET-13640] (#4915)** (395bbdf)
- **feat(memfs): add read-only file policy [LET-13616] (#4910)** (cffc63f)

### Fixes
- **fix(subagents): run external coding-agent CLIs in the workload slice (#4951)** (20f4a31)
- **fix(mods): name the cancelling mod in turn_start cancel notices [LET-12868] (#4949)** (04fe41f)
- **fix(tools): reject truncated or agent IDs as SendAgentMessage conversation_id (#4931)** (d79b7b9)
- **fix(tools): restore the foreground sleep block in Bash (#4932)** (4088b46)
- **fix(subagents): inherit parent secrets across the MCP trust boundary (#4933)** (9c7dd3c)
- **fix(memory): stop gating tools on refreshes of existing checkouts (#4934)** (09c240e)
- **fix(local): lock OAuth credential refreshes across processes (#4942)** (f210a74)
- **fix(local-backend): retry ChatGPT model-access check failures (#4946)** (93f3d70)
- **fix(subagents): TaskStop cancels the remote run before reporting stopped [LET-13347] (#4929)** (58843ab)
- **fix(agent): finish remote child wait when its Super Run is complete [LET-13200] (#4924)** (bc4b97c)
- **fix(listener): run scheduled turns without a subscribed client (#4925)** (445e7ba)
- **fix(context): name the shell in the environment block on macOS and Linux (#4916)** (43cf4ac)

### Tests
- **test(tools): keep the shell-secrets background notice out of later test files (#4947)** (46a77aa)

### Docs
- **docs(tools): point PR creation at WatchPR for readiness (#4922)** (ac18a55)

### Chore
- **chore: bump version to 0.34.3 (#4919)** (bb42398)
- **ci(review): flag system prompt edits in Slack via Amelia [LET-13670] (#4928)** (77faf36)
- **refactor(subagents): reuse parent linkage for MCP inheritance (#4923)** (0828add)

_Recap by [Repo Wrapped](https://repowrapped.com/gh/letta-ai/letta-code?utm_source=github-action)._