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Use when recording lessons learned in a project, or when a project contains lessons/ or MEMORY.md — file-based memory format and read/write rules that measurably improve long-horizon performance.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Use when deciding whether to spawn subagents — explicit rules for when delegation pays off and when direct work is faster. Opus 4.8 under-delegates by default; these rules correct that.
Use when a task spans more than a few steps or files — establishes a checkable definition of done, a verification cadence, and fresh-context verifier subagents before claiming completion.
| name | memory-discipline |
| description | Use when recording lessons learned in a project, or when a project contains lessons/ or MEMORY.md — file-based memory format and read/write rules that measurably improve long-horizon performance. |
Fable 5 performs notably better when it can write learnings somewhere for future reference. Give Opus the same surface and rules.
MEMORY.md (index) if present, then any
lessons/*.md whose one-line summary looks relevant.lessons/, kebab-case name, one-line summary on the first line.MEMORY.md.<!-- lessons/use-fake-clock-in-timer-tests.md -->
Timer tests must inject a fake clock — real sleeps made CI flaky.
Context: PR #42 reverted twice. `time.monotonic` is patched via the `clock`
parameter; never call `time.sleep` in tests.