◉CLAUDE LABJP
●SUNSET — The legacy Workbench and experimental prompt tool APIs retire tomorrow, August 17, one day out●LATEST — Version 2.1.233, released August 15, is current: GitLab merge request URLs now work with --worktree and the claude agents view, where MRs appear as !N●SECURITY — Windows paths written with the NT \??\ device prefix no longer bypass UNC validation, closing an NTLM credential-leak vector●TODO — Todo and task tracking tools are off by default on Opus 4.8, Sonnet 5, Fable 5, Mythos 5, and newer models; set CLAUDE_CODE_ENABLE_TODO_TOOLS=1 to bring them back●FORK — Version 2.1.232, released August 14, makes subagent_type: 'fork' the default, so a forked subagent inherits the full conversation and prompt cache●MENTION — Typing @ in the prompt now mentions another Claude session by name, and SendMessage reaches that session directly●SUNSET — The legacy Workbench and experimental prompt tool APIs retire tomorrow, August 17, one day out●LATEST — Version 2.1.233, released August 15, is current: GitLab merge request URLs now work with --worktree and the claude agents view, where MRs appear as !N●SECURITY — Windows paths written with the NT \??\ device prefix no longer bypass UNC validation, closing an NTLM credential-leak vector●TODO — Todo and task tracking tools are off by default on Opus 4.8, Sonnet 5, Fable 5, Mythos 5, and newer models; set CLAUDE_CODE_ENABLE_TODO_TOOLS=1 to bring them back●FORK — Version 2.1.232, released August 14, makes subagent_type: 'fork' the default, so a forked subagent inherits the full conversation and prompt cache●MENTION — Typing @ in the prompt now mentions another Claude session by name, and SendMessage reaches that session directly
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model management

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Claude Code1Sonnet 51unattended automation1headless1scheduled tasks1
⟐ Claude Code/2026-07-02Advanced

Which Model Ran Last Night's Unattended Session? Building Model Attribution and Default-Drift Detection After the Sonnet 5 Switch

Claude Code's default model switched to Sonnet 5, and unpinned headless runs changed models silently. Here is a working design for extracting the actual model from run output, appending an atomic run record, and deciding per task lineage whether to pin or follow the default.