Update the agents-update step in run-gardener.toml to enforce the ~200-line
size limit on root AGENTS.md. When exceeded, the gardener now splits
per-directory sections into {dir}/AGENTS.md files with watermarks,
replacing verbose sections in root with a summary table of pointers.
Root keeps: overview, directory map, architecture decisions, key conventions.
Per-directory files get: role, trigger, key files, env vars, lifecycle.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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