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AgentsCoding agentsAnthropic 7 Aug 2026 aifirst-review

Claude Code 2.1.224 review: cross-session SendMessage and uncapped subagents

The brief

2.1.224 adds cross-session SendMessage with crossSessionInbound and dialogExpiry settings, removes the 200-subagent per-session cap, and aliases /review to /code-review.

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