Closure / v1.0 clean-room
Lessons Log
Capture useful learning while it is still fresh enough to change behaviour.
When to use
Use throughout the project and summarise at stage boundaries and closure.
Sample suggested content
Project example: Supplier onboarding
- Lesson: Supplier access dependencies need an owner before stage start.
- Impact: Readiness slipped because access blockers were found late.
- Recommendation: Add access check to every supplier work package.
Minimum version
- Lesson
- Context
- Impact
- Recommendation
- Owner
Fuller version
- Trigger
- Evidence
- Reusable pattern
- Audience
- Follow-up date
Field guide
- ID
- Lesson
- Context
- Impact
- Recommendation
- Owner
- Status
Tailoring notes
- Keep action-focused
- Share only lessons that someone can reuse
Common mistakes
- Writing vague observations
- Capturing lessons only at the end