Plan of action
Original-ish description
Just filing a task for now as a placeholder.
I am meeting with TPG this week to brainstorm.
See a previous attempt of this at quarterly reviews of incident reports:
https://wikitech.wikimedia.org/wiki/Incident_documentation#Quarterly.28ish.29_reviews_of_post-mortems
See also: T123753: Establish retrospective reports for #security and #performance incidents