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A SessionStart Hook That Hands Claude Code the Failing Tests Before Its First Turn

Book: AI Agents Pocket Guide The series: Pocket Guides for Developers — 8 short books on agents, RAG, prompts, observability, events, databases and system design — the whole series My project: Hermes…

  • SessionStart hook runs during Claude Code session setup
  • Executes fast tests only, excludes slow ones
  • Limits output to first 200 characters of failure messages

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