Patch release that removes two older models, refines several built-in instructions for plan mode, context handling, and task execution, and updates the ScheduleWakeup API surface.
Changelog
[removed] Support for claude-haiku-3-5 and claude-sonnet-3-7.
[changed] ScheduleWakeupInput now accepts an optional stop flag to end a dynamic loop immediately; the remaining fields are no longer required when stopping.
[changed] ScheduleWakeupOutput includes a stopped field when a loop is terminated via the new flag.
[changed] Several tool and remote-trigger response shapes now surface optional warnings and contract fields.
Models & prompts
Removed claude-haiku-3-5 and claude-sonnet-3-7 from the list of available model identifiers.
Refined the plan-mode instruction to more explicitly forbid edits and non-readonly tool use.
Updated guidance around context management, focus mode, git stash usage across worktrees, and handling of messages that arrive while work is in progress.
Adjusted several task-completion and verification instructions to reduce re-derivation of already-established facts and to emphasize concise reporting.
Under the hood
Added three new environment variables: CLAUDE_CODE_AGENT_PROXY_GH_SHIM, CLAUDE_CODE_AGENT_PROXY_GIT_CONFIG, and CLAUDE_CODE_TOTAL_TOKENS_REMINDER_AFTER_USER_TURN.
Added the backend route /api/frame/contract.
Eleven new Statsig feature gates and events were introduced, primarily around artifact rendering, retry behavior, and internal probing.
Upgrade notes
Workflows or configurations that explicitly reference the removed models will need to select a different model.
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