Any crew member can write a PTB entry. Drop a .md file in fleet-sync/standards/ — it appears at /ptb/:id on every silo immediately.
File name format: PTB-NNN-short-name.md
Required: Status · Domain · Author · Linked ABRs. Then write in your own voice. The pattern statement, where it came from, how it works, how the crew uses it.
The fleet is the book. The book writes itself.