# Phase 3 Engineering Hardening Sprint — Completion Report

**Repo:** reichert-science-intelligence/starguard-core
**Date:** 2026-03-12
**Sprint:** Phase 3 Engineering Hardening

## Tasks Completed

| Task | Commit |
|---|---|
| ARCHITECTURE.md | f149434 |
| pyproject.toml hardening (v4.5.0) | 902aafc |
| mypy strict zero-error audit | cfdc314 |
| CI workflow + badge | fb4bfc2 |
| Pytest baseline confirm + coverage hardening | [this commit] |

## Test Results

- **Tests passing:** 132 (91 original + 35 auth + 6 targeted coverage)
- **Coverage:** 99.02% (354 stmts, 2 unreachable defensive branches remaining)
- **mypy:** 0 errors across 29 source files (strict mode)

### Coverage by Module

| Module | Coverage |
|---|---|
| auth (tiers, validator) | 100% |
| command_center | 100% |
| hcc (calculator, gaps, models, revenue, scenarios) | 100% |
| hedis (interventions, measures, models, predictor, scenarios) | 100% |
| radv (financial, models, scenarios, scorer, stratifier) | 100% |
| stars (cutpoints, impact, models, scenarios, trajectory) | 96–100% |

## Gate Status

| Gate | Status |
|---|---|
| `mypy src/starguard_core/ --strict` → 0 errors | PASS |
| `pytest tests/` → all passing | PASS (132/132) |
| Coverage ≥ 90% | PASS (99.02%) |
| `py.typed` marker present | PASS |
| `[tool.mypy]` in pyproject.toml | PASS |
| CI workflow (.github/workflows/ci.yml) | PASS |
| CI badge in README.md | PASS |

All 5 Phase 3 tasks complete. Ready for Phase 4.
