Lessons Learned Lessons Learned: {{PROJECT_NAME}} Project: {{PROJECT_NAME}} Version: {{VERSION}} Date: {{DATE}} Author: {{AUTHOR}} Status: Draft | In Review | Approved Reviewers: {{REVIEWERS}} Document History Version Date Author Changes 0.1 {{DATE}} {{AUTHOR}} Initial draft 1. Session Metadata Field Value Session Type Sprint Retrospective / Phase Review / Post-Mortem / Project Close Project {{PROJECT_NAME}} Phase / Sprint {{PHASE_OR_SPRINT}} Period Covered {{START_DATE}} – {{END_DATE}} Facilitator {{NAME}} Participants {{LIST_OF_PARTICIPANTS}} Date of Session {{DATE}} Duration {{DURATION}} 2. What Went Well (Keep Doing) # What Went Well Why It Worked How to Preserve Category KD-01 {{DESCRIPTION}} {{ROOT_CAUSE_OF_SUCCESS}} {{PROCESS/RULE/HABIT}} Process / Technical / Communication / Tools KD-02 KD-03 KD-04 KD-05 Highlights KD-01 Detail: {{EXTENDED_NARRATIVE_OF_WHAT_WORKED_AND_WHY}} 3. What Didn't Go Well (Stop Doing) # What Didn't Work Root Cause Impact (1-10) Action Item Owner Deadline SD-01 {{DESCRIPTION}} {{ROOT_CAUSE}} {{IMPACT}} {{SPECIFIC_ACTION}} {{OWNER}} {{DATE}} SD-02 SD-03 SD-04 Root Cause Analysis — Deep Dives SD-{{XX}}: {{ISSUE_TITLE}} Problem: {{CLEAR_PROBLEM_STATEMENT}} 5 Whys: Why did this happen? → {{ANSWER_1}} Why did {{ANSWER_1}} happen? → {{ANSWER_2}} Why did {{ANSWER_2}} happen? → {{ANSWER_3}} Why did {{ANSWER_3}} happen? → {{ANSWER_4}} Why did {{ANSWER_4}} happen? → {{ROOT_CAUSE}} Root Cause: {{DEFINITIVE_ROOT_CAUSE}} Systemic Fix: {{HOOK/TOOL/RULE/PROCESS_CHANGE}} Ljestvica Fikseva (ZAKON #1): Hook > Tool > Rule > CLAUDE.md > Memory 4. What to Try Next (Start Doing) # What to Try Expected Benefit Hypothesis Success Metric Trial Period ST-01 {{NEW_PRACTICE}} {{EXPECTED_BENEFIT}} If we do {{X}}, then {{Y}} will improve by {{Z}}% {{MEASURABLE_METRIC}} {{SPRINT_COUNT}} sprints ST-02 ST-03 5. Key Findings by Category 5.1 Technical Findings # Finding Impact Recommendation TF-01 {{TECHNICAL_FINDING}} {{HIGH/MEDIUM/LOW}} {{RECOMMENDATION}} TF-02 Technical Patterns Observed: {{PATTERN_1}} — {{IMPLICATION_AND_RECOMMENDATION}} {{PATTERN_2}} 5.2 Process Findings # Finding Root Cause Recommendation PF-01 {{PROCESS_FINDING}} {{ROOT_CAUSE}} {{RECOMMENDATION}} PF-02 Process Patterns Observed: {{PATTERN}} 5.3 Communication Findings # Finding Stakeholder Impact Recommendation CF-01 {{COMMUNICATION_FINDING}} {{IMPACT}} {{RECOMMENDATION}} CF-02 5.4 Tools & Infrastructure Findings # Finding Impact Recommendation IF-01 {{TOOLING_FINDING}} {{IMPACT}} {{RECOMMENDATION}} IF-02 5.5 Team & Collaboration Findings # Finding Impact Recommendation TM-01 {{TEAM_FINDING}} {{IMPACT}} {{RECOMMENDATION}} 6. Action Items # Action Item Category Owner Sprint / Deadline Priority Status AI-01 {{SPECIFIC_ACTIONABLE_ITEM}} Process / Technical / Communication / Tools {{OWNER}} Sprint {{X}} P1/P2/P3 Open AI-02 AI-03 AI-04 AI-05 Action Item Review: At the START of next sprint planning, PM reviews status of all open action items. Incomplete P1 items are escalated to John. 7. Metrics Comparison — Planned vs. Actual 7.1 Timeline Milestone Planned Actual Variance Root Cause (if significant) Requirements Complete {{DATE}} {{DATE}} {{+/- DAYS}} {{ROOT_CAUSE}} Design Complete MVP Release UAT Complete Launch Timeline Accuracy: {{ACTUAL_DURATION}} vs. planned {{PLANNED_DURATION}} ({{VARIANCE_PCT}}% {{over/under}}) 7.2 Budget Category Planned (NOK) Actual (NOK) Variance Notes Development {{AMOUNT}} {{AMOUNT}} {{+/-}} Design Infrastructure Testing Total {{TOTAL}} {{TOTAL}} {{+/-}} Budget Accuracy: {{ACTUAL}} vs. planned {{PLANNED}} ({{VARIANCE_PCT}}% {{over/under}}) 7.3 Quality Metric Target Actual Status Test coverage ≥ 80% {{PCT}}% {{✅/⚠️/❌}} Critical bugs at launch 0 {{COUNT}} {{✅/⚠️/❌}} Post-launch bugs (30 days) < 5 {{COUNT}} {{✅/⚠️/❌}} Lighthouse performance score ≥ 90 {{SCORE}} {{✅/⚠️/❌}} Accessibility (WCAG AA violations) 0 {{COUNT}} {{✅/⚠️/❌}} 7.4 Velocity & Estimation Sprint Estimated Points Completed Points Accuracy Sprint 1 {{ESTIMATE}} {{ACTUAL}} {{PCT}}% Sprint 2 Sprint 3 Average {{AVG_PCT}}% Estimation Accuracy Notes: {{PATTERNS_IN_OVER_UNDER_ESTIMATION}} 8. Recommendations for Future Projects # Recommendation Category Confidence Applicable When REC-01 {{RECOMMENDATION}} Technical / Process / Communication High / Medium {{WHEN_TO_APPLY}} REC-02 REC-03 REC-04 REC-05 Top 3 Most Important Learnings {{LEARNING_1_TITLE}}: {{EXPLANATION_AND_RECOMMENDATION}} {{LEARNING_2_TITLE}}: {{EXPLANATION_AND_RECOMMENDATION}} {{LEARNING_3_TITLE}}: {{EXPLANATION_AND_RECOMMENDATION}} 9. Knowledge Base Contribution Finding Contribution Type Target System Status Owner {{FINDING}} New rule / Updated tool / New hook / HiveMind entry / CLAUDE.md update {{SYSTEM}} Open / Done {{OWNER}} HiveMind entries added: node ~/system/agents/hivemind/hivemind.js post "{{KEY_LEARNING}}" (run this) Rules updated: ~/system/rules/{{RULE_FILE}} — {{WHAT_WAS_ADDED}} Memory updated: ~/.claude/projects/-Users-makinja/memory/{{MEMORY_FILE}} — {{WHAT_WAS_ADDED}} Approval Role Name Date Signature Author Reviewer Project Manager AI Director (John) Team (retrospective agreement)