Sync .cursor from detections

.cursor/skills/retrospective/templates/retrospective-report.md

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+# Retrospective Report Template
+
+Save as `_docs/06_metrics/retro_[YYYY-MM-DD].md`.
+
+---
+
+```markdown
+# Retrospective — [YYYY-MM-DD]
+
+## Implementation Summary
+
+| Metric | Value |
+|--------|-------|
+| Total tasks | [count] |
+| Total batches | [count] |
+| Total complexity points | [sum] |
+| Avg tasks per batch | [value] |
+| Avg complexity per batch | [value] |
+
+## Quality Metrics
+
+### Code Review Results
+
+| Verdict | Count | Percentage |
+|---------|-------|-----------|
+| PASS | [count] | [%] |
+| PASS_WITH_WARNINGS | [count] | [%] |
+| FAIL | [count] | [%] |
+
+### Findings by Severity
+
+| Severity | Count |
+|----------|-------|
+| Critical | [count] |
+| High | [count] |
+| Medium | [count] |
+| Low | [count] |
+
+### Findings by Category
+
+| Category | Count | Top Files |
+|----------|-------|-----------|
+| Bug | [count] | [most affected files] |
+| Spec-Gap | [count] | [most affected files] |
+| Security | [count] | [most affected files] |
+| Performance | [count] | [most affected files] |
+| Maintainability | [count] | [most affected files] |
+| Style | [count] | [most affected files] |
+
+## Efficiency
+
+| Metric | Value |
+|--------|-------|
+| Blocked tasks | [count] |
+| Tasks requiring fixes after review | [count] |
+| Batch with most findings | Batch [N] — [reason] |
+
+### Blocker Analysis
+
+| Blocker Type | Count | Prevention |
+|-------------|-------|-----------|
+| [type] | [count] | [suggested prevention] |
+
+## Trend Comparison
+
+| Metric | Previous | Current | Change |
+|--------|----------|---------|--------|
+| Pass rate | [%] | [%] | [+/-] |
+| Avg findings per batch | [value] | [value] | [+/-] |
+| Blocked tasks | [count] | [count] | [+/-] |
+
+*Previous retrospective: [date or "N/A — first retro"]*
+
+## Top 3 Improvement Actions
+
+1. **[Action title]**: [specific, actionable description]
+   - Impact: [expected improvement]
+   - Effort: [low/medium/high]
+
+2. **[Action title]**: [specific, actionable description]
+   - Impact: [expected improvement]
+   - Effort: [low/medium/high]
+
+3. **[Action title]**: [specific, actionable description]
+   - Impact: [expected improvement]
+   - Effort: [low/medium/high]
+
+## Suggested Rule/Skill Updates
+
+| File | Change | Rationale |
+|------|--------|-----------|
+| [.cursor/rules/... or .cursor/skills/...] | [specific change] | [based on which metric] |
+```