Release v0.31.0

What's Changed

• test(shell): recognize macOS zombie processes as exited by @letta-integration[bot] in #4025
• feat(local): classify OpenRouter traffic as cloud agent by @sarahwooders in #3978
• fix(cli): show reasoning picker for local ChatGPT OAuth by @letta-integration[bot] in #4026
• feat(channels): extract shared route thread keying for chats without threads [LET-11403] by @letta-integration[bot] in #4027
• fix(agent): expose the Tutor profile asset [LET-9901] by @christinatong01 in #4017
• Revert "fix(agent): expose the Tutor profile asset [LET-9901]" by @christinatong01 in #4030
• fix(agent): lazy-load the Tutor profile asset [LET-9901] by @christinatong01 in #4031
• fix(ci): restore agent watcher launches by @carenthomas in #4036
• fix(ci): name agent watcher conversations by @carenthomas in #4037
• fix(ci): audit latest pi-ai release from cursor by @carenthomas in #4038
• fix(ci): audit latest Codex release from cursor by @carenthomas in #4039
• fix(ci): audit latest Claude release from cursor by @carenthomas in #4041
• fix(channels): detach lifecycle hooks from delivery queues [LET-11424] by @carenthomas in #4044
• ci(sync-tools): use Amelia PR automation by @carenthomas in #4045
• docs: add TUI visual proof skill by @AriWebb in #4046
• fix(skills): narrow memory sync skill trigger by @letta-integration[bot] in #4053
• fix(skills): document current dispatch model catalogs by @letta-integration[bot] in #4054
• test(listener): cover service restart during client tool [LET-11472] by @letta-integration[bot] in #4056
• feat(cron): add pause and resume commands [LET-11467] by @letta-integration[bot] in #4051
• fix(skills): rewrite MemFS repository repair guidance by @letta-integration[bot] in #4055
• feat(skills): add scheduled staleness watcher by @letta-integration[bot] in #4060
• fix(skills): use frontmatter names for nested skills by @letta-integration[bot] in #4057
• fix(listener): avoid repeated environment reminders by @letta-integration[bot] in #4059
• chore: bump version to 0.31.0 by @github-actions[bot] in #4061

Full Changelog: v0.30.32...v0.31.0