enhancing clarity in research assessment and problem description sections.

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_docs/02_tests/50_complete_system_acceptance_spec.md

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+# Cross-Cutting Acceptance Test: Complete System Validation
+
+## Summary
+Comprehensive end-to-end validation of all acceptance criteria simultaneously using full 60-image test dataset.
+
+## Linked Acceptance Criteria
+ALL (AC-1 through AC-10)
+
+## Test Description
+Process complete Test_Long_Flight dataset (AD000001-060) and validate compliance with all 10 acceptance criteria in single comprehensive test.
+
+## Test Steps
+1. Process AD000001-060 (includes normal flight, sharp turns, outliers)
+2. Calculate all metrics
+3. Validate against all ACs
+
+## Validation Matrix
+- AC-1: ≥80% < 50m ✓
+- AC-2: ≥60% < 20m ✓
+- AC-3: Outlier handled ✓
+- AC-4: Sharp turns recovered ✓
+- AC-5: Multi-fragment if needed ✓
+- AC-6: User input mechanism functional ✓
+- AC-7: < 5s per image ✓
+- AC-8: Real-time + refinement ✓
+- AC-9: Registration > 95% ✓
+- AC-10: MRE < 1.0px ✓
+
+## Success Criteria
+ALL 10 acceptance criteria must pass
+
+## Pass/Fail
+**Passes**: All ACs met
+**Fails**: Any AC fails
+