Letta Code v0.34.51

What's Changed

• fix(subagents): confirm harness stops and silence pending work by @dream-integration[bot] in https://github.com/letta-ai/letta-code/pull/5616
• chore: bump version to 0.34.51 by @github-actions[bot] in https://github.com/letta-ai/letta-code/pull/5626

Full Changelog: https://github.com/letta-ai/letta-code/compare/v0.34.50...v0.34.51