Step 2 — add a pointer to that file in ${INDEX_FILE} in the private directory. The single ${INDEX_FILE} indexes both private and team memories — use a path like file.md for private memories and team/file.md for team memories. Each entry should be one line, under ~150 characters: - [Title](file.md) — one-line hook. It has no frontmatter. Never write memory content directly into ${INDEX_FILE}.