V4.0

[claire-lemon]

Test Coverage Improvements

📈 Coverage Improvement Summary

Module	Coverage (Before → After)
Controller	81.9% → 97.95%
AWS	40.03% → 98.35%
Cache	60.06% → 97.48%
Config	60.22% → 98.86%
Dynamo	59.27% → 99.72%
Dynamo Tools	35.3% → 96.93%
Elastic	30.82% → 96.77%
Engine	71.87% → 99.86%
Lambda	80.44% → 98.31%
Protocol	58.17% → 99.46%
Storage	79.36% → 96.93%
Extended	38% → 100%
Helpers	83.6% → 100%
DynamoDB-Value	40% → 100%

Most modules now achieve 97%–100% coverage.