# Verification Report

**Run**: 01-quality-cleanup
**Date**: 2026-04-13

## Test Results

| Metric | Value |
|--------|-------|
| Total tests | 18 |
| Passed | 18 |
| Failed | 0 |
| Skipped | 0 |
| Duration | 18.11s |

## Metric Comparison

### Source LOC (same 11 files as baseline)

| File | Baseline | Final | Delta |
|------|----------|-------|-------|
| api_client.pyx | 222 | 188 | -34 |
| main.py | 187 | 199 | +12 |
| hardware_service.pyx | 100 | 100 | 0 |
| binary_split.py | 69 | 64 | -5 |
| security.pyx | 68 | 64 | -4 |
| cdn_manager.pyx | 44 | 45 | +1 |
| constants.pyx | 44 | 38 | -6 |
| setup.py | 27 | 28 | +1 |
| unlock_state.py | 11 | 12 | +1 |
| credentials.pyx | 9 | 10 | +1 |
| user.pyx | 6 | 7 | +1 |
| **Total** | **785** | **755** | **-30** |

### Summary Metrics

| Metric | Baseline | Final | Delta | Status |
|--------|----------|-------|-------|--------|
| Source LOC | 785 | 755 | -30 | Improved |
| Test LOC | 295 | 369 | +74 | Improved |
| Tests | 18 | 18 | 0 | Unchanged |
| Test pass rate | 100% | 100% | 0 | Unchanged |
| Endpoints | 7 | 7 | 0 | Unchanged |
| Dead methods | 5 | 0 | -5 | Improved |
| Dead constants | 5 | 0 | -5 | Improved |
| Silent error paths | 3 | 0 | -3 | Improved |
| Manual crypto | 2 | 0 | -2 | Improved |
| Thread safety issues | 2 | 0 | -2 | Improved |

### Acceptance Criteria

| Criterion | Status | Evidence |
|-----------|--------|----------|
| C01: Thread-safe singleton | Met | Double-checked locking in main.py |
| C02: Encapsulated unlock state | Met | _UnlockStateHolder with internal lock |
| C03: Library PKCS7 in security.pyx | Met | padding.PKCS7(128).unpadder() replaces manual code |
| C04: Library PKCS7 in binary_split.py | Met | Streaming unpadder integrated into decrypt pipeline |
| C05: Configurable log path | Met | LOG_DIR env var with Logs default |
| C06: Log os.remove failure | Met | logger.warning on OSError |
| C07: Dead methods removed | Met | 5 methods deleted from api_client.pyx + .pxd |
| C08: Dead constants removed | Met | 5 constants from .pyx + 7 declarations from .pxd |
| C09: CDN upload check | Met | Exception raised on cdn_manager.upload() failure |
| C10: Upload error propagation | Met | try/except removed from upload_file |

## Regressions

None.