# Resolution Summary

**Branch**: feature/191-cochange-validation-benchmark -> main
**Date**: 2026-05-28
**Review**: .devflow/docs/reviews/feature-191-cochange-validation-benchmark/2026-05-28_1545
**Command**: /resolve

## Decisions Citations

- applies ADR-001 — batch-1 (all 5 issues), batch-2 (all 4 issues), batch-3 (all 2 issues), batch-4 (all 5 issues), batch-5 (all 5 issues)
- avoids PF-002 — batch-1, batch-2, batch-3, batch-4, batch-5 (no issues deferred or silently closed)

## Statistics
| Metric | Value |
|--------|-------|
| Total Issues | 22 |
| Fixed | 22 |
| False Positive | 0 |
| Deferred | 0 |
| Blocked | 0 |

## Fixed Issues
| Issue | File:Line | Commit |
|-------|-----------|--------|
| Path traversal in validate_repo — use extract_repo_name | validate.rs:327 | 0af0f9a |
| capture_head_sha missing subprocess timeout | validate.rs:618 | 0af0f9a |
| O(T) redundant jaccard — restructure threshold sweep | validate.rs:215 | 0af0f9a |
| build_path_map — BTreeSet instead of Vec sort+dedup | validate.rs:52 | 0af0f9a |
| temporal_split — take ownership, in-place reverse, split_off | temporal_split.rs:88 | aad2f8c |
| Deny-list pattern duplication — add pattern_names() | deny_list.rs + cochange_validate.rs:238 | ee8ab45 |
| chrono_now — correct Gregorian calendar arithmetic | cochange_validate.rs:207 | ee8ab45 |
| OutputFormat Display impl placement | cochange_validate.rs:279 | ee8ab45 |
| parse_thresholds — add 9 unit tests | cochange_validate.rs:181 | ee8ab45 |
| clone_with_history — add --single-branch | clone.rs:295 | 0af0f9a |
| RepoCochangeResult — derive Default | types.rs:46 | 0af0f9a |
| validate_repo — extract clone_and_parse + build_and_evaluate | validate.rs:321 | 41ae3e0 |
| aggregate_metrics — document macro-average-of-micro semantics | validate.rs:531 | 41ae3e0 |
| check_quality_gates — change to anyhow::Result | validate.rs:116 | 41ae3e0 |
| FileId u32 overflow — add assertion guard | validate.rs:61 | 41ae3e0 |
| evaluate_at_thresholds — add MAX_FILES_FOR_EVALUATION bound | validate.rs:165 | 41ae3e0 |
| Integration test silent pass-through — convert to assert/expect | cochange_validation.rs:296 | 1c70b01 |
| Integration test weak assertions — assert recall > 0 at threshold 0.01 | cochange_validation.rs:414 | 1c70b01 |
| aggregate_metrics test — add second passing repo for averaging | cochange_validation.rs:436 | 1c70b01 |
| temporal_split NaN test — add nan_fraction_falls_back_to_0_8 | temporal_split.rs:80 | 1c70b01 |
| make_commit helpers — extract shared test_utils module | cochange/mod.rs | 1c70b01 |
| Simplification — zero_metrics helper, loop variable cleanup | validate.rs | (simplifier) |

## False Positives

(none)

## Deferred to Tech Debt

(none)

## Blocked

(none)
