Break the launch into tracks
Separate product readiness, messaging, creative, enablement, support, and follow-up so each owner sees where their work fits.
Attach decision context to each track
Keep notes, scope clarifications, and stakeholder input close to the work rather than in separate meeting docs.
Add explicit cleanup and post-launch work
Follow-up tasks, measurement, and retro items should exist before launch day so they do not disappear afterward.
Use one place for weekly review
Cross-functional launches need a predictable source of truth that everyone can scan quickly.
Apply the system without overbuilding it
The safest way to use a guide like this is to start with the one workflow creating the most drag, fix that surface well, and only then expand the system. Good process design compounds. Premature process complexity does not.