Prompts age.
Models change, prices change, policies change. A prompt that worked last year can quietly go wrong this year.
Model update
Trigger
A new model version can change how a prompt behaves.
THEN
Retest your top prompts.
Business change
Trigger
New prices, products, policies or branding.
THEN
Update every prompt that mentions them.
Nobody uses it
Trigger
No use in three months.
THEN
Archive it.
Complaints
Trigger
People report bad output or keep editing results by hand.
THEN
Fix and version it.
Review quarterly. Retire freely. Retest after updates.