Release v0.34.40

What's Changed

• test(memory-git): keep the runner's credential manager out of the helper test by @cpacker in #5466
• test(memory-git): log server requests when the 503 clone retry fails by @cpacker in #5459
• ci: pin the ubuntu-latest jobs to ubuntu-24.04 by @cpacker in #5460
• fix(channels): keep explicit conversation permission mode on gateway re-registration by @letta-integration[bot] in #5458
• test(memory): use an exited pid in the stale repair attempt test by @cpacker in #5475
• fix(skills): keep attached-repo skills when the repository list fetch fails by @cpacker in #5485
• fix: rotate ChatGPT plans away from model_not_found errors by @cpacker in #5497
• feat(subagents): choose the runner with harness, a Letta subagent with subagent_type, and inherit context with fork_context by @cpacker in #5468
• fix(cli): wait for named conversation blockers by @letta-integration[bot] in #5498
• docs(agents): org PRs skip the AI disclosure template sections by @cpacker in #5501
• feat(subagents): give external coding workers the parent transcript with fork_context by @cpacker in #5469
• docs(agents): keep PR bodies short; details go in the ticket by @cpacker in #5513
• fix(memory): block commits only on constraint problems they introduce by @cpacker in #5499
• fix(subagents): notify parents when children wait on background work by @cpacker in #5517
• fix(bash): block pgrep -f / pkill -f patterns that match their own command by @cpacker in #5515
• test(cursor): give the lifecycle setup hook time to read the live model catalog by @cpacker in #5516
• fix(subagents): distinguish forked history from worker instructions by @sarahwooders in #5510
• fix(app-server): cap OpenAI-compat agent list page size at 200 by @letta-integration[bot] in #5495
• docs(agent-tool): ask for a self-contained, narrowly scoped prompt by @cpacker in #5474
• chore: bump version to 0.34.40 by @github-actions[bot] in #5518

Full Changelog: v0.34.39...v0.34.40