Stress-test the problem before touching the solution. End of day: one agreed problem statement.
Generate competing solution directions, not the first plausible answer, but several.
Critique, vote, commit. One direction chosen. Critical assumptions named.
The chosen direction made concrete enough to test. Built independently or together depending on Wednesday’s confidence level.
The prototype tested with the people who would live with it.
End of day: Go, No-Go, or Go-with-conditions, in writing.

