You commented SOP
The Client SOP Skills Playbook
Anthropic's own engineers put it plainly.
# step by step
01 Brand Voice: every draft sounds like the client on the first pass
02 Weekly Client Report: the same format every Monday, whoever runs it
03 Lead Qualifier: every inbound lead scored against the same rules
04 Client Onboarding: the checklist you run for every new client, packaged
05 Delivery QA: nothing reaches the client until it passes their rules