**Step 2** — add a pointer to that file in ${HAS_SINGLE_TEAM_MEMORY_DIRECTORY?``${TEAM_MEMORY_INDEX_LOCATION}``:TEAM_MEMORY_INDEX_LOCATION}. Each entry should be one line, under ~150 characters: `- [Title](file.md) — one-line hook`. The index has no frontmatter. Never write memory content directly into the index.