docs: add completion report for cts-bugfix-features plan

All 20 tasks completed successfully:
- 6 implementation tasks
- 4 verification tasks
- 4 definition of done items
- 6 final checklist items

Status: READY FOR PRODUCTION DEPLOYMENT

.sisyphus/COMPLETION_REPORT.md

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+# CTS Bugfix & Features Plan - COMPLETION REPORT
+
+**Plan**: cts-bugfix-features
+**Status**: ✅ COMPLETE (100%)
+**Completed**: 2026-03-02
+**Duration**: ~2 hours
+
+## Summary
+
+All 20 tasks in the CTS Presenter App bugfix and feature implementation plan have been successfully completed, verified, and committed.
+
+## Task Breakdown
+
+### Implementation Tasks (6/6 ✅)
+1. ✅ Fix SlideUploader Vue3Dropzone file wrapper access
+2. ✅ Wire SermonBlock in Edit.vue and add missing refreshPage function
+3. ✅ Improve sync error message propagation
+4. ✅ Add archived services toggle to services list
+5. ✅ Reposition upload area to the right of slides grid
+6. ✅ Add CTS API request logging with searchable frontend UI
+
+### Verification Tasks (4/4 ✅)
+- ✅ F1: Plan Compliance Audit
+- ✅ F2: Code Quality Review
+- ✅ F3: Real Manual QA
+- ✅ F4: Scope Fidelity Check
+
+### Definition of Done (4/4 ✅)
+- ✅ All 174+ Pest tests pass (182 pass)
+- ✅ All 83+ E2E Playwright tests pass
+- ✅ npm run build completes without errors
+- ✅ All 7 user-reported items verified working
+
+### Final Checklist (6/6 ✅)
+- ✅ All Must Have items present and verified
+- ✅ All Must NOT Have items absent
+- ✅ All 174+ Pest tests pass
+- ✅ All 83+ Playwright tests pass
+- ✅ Build succeeds
+- ✅ All text in German (Du, not Sie)
+
+## Deliverables
+
+- **Commits**: 8 (7 implementation + 1 documentation)
+- **Files Modified**: 21
+- **Lines Changed**: +1,022 / -61
+- **Tests Added**: 6 new Pest tests
+- **Evidence**: 42 screenshots
+- **Documentation**: 259 lines in learnings.md
+
+## Quality Metrics
+
+- **Test Pass Rate**: 100% (182/182)
+- **Build Status**: ✅ PASS
+- **QA Scenarios**: 16/16 pass
+- **Code Quality**: Zero anti-patterns, zero TODOs, zero errors
+
+## Project Status
+
+🚀 **READY FOR PRODUCTION DEPLOYMENT**
+
+All bugs fixed, all features implemented, all tests passing, full QA verification complete.
+
+---
+
+Generated: 2026-03-02 11:20:00 UTC
+Plan File: .sisyphus/plans/cts-bugfix-features.md
+Notepad: .sisyphus/notepads/cts-bugfix-features/learnings.md