# Charon Issue Closeout Verification

This document records verification evidence for the docs/process closure set:

- CHR-001
- CHR-011
- CHR-014
- CHR-015
- CHR-017

Verification date: 2026-05-06

## CHR-001 — Signal Coverage Matrix

Status: Verified

Evidence:

- Coverage and ownership matrix exists in `docs/signal-coverage-matrix.md`
- Source-of-truth pointer is documented (`src/investigation.rs` requirement inference)
- P0 backlog section marks CHR-001 complete

## CHR-011 — Cross-Crate Integration Tests

Status: Verified

Evidence:

- Backlog item and acceptance criteria tracked as complete in `docs/p1-backlog.md`
- Integration suite present in `tests/cross_crate_integration.rs`
- SLO-to-policy behavior is covered by target-class scenarios and escalation assertions

## CHR-014 — Investigation Report Caching

Status: Verified

Evidence:

- Caching APIs and behavior documented in `docs/caching-integration-guide.md`
- Optional cache features (`caching`, `redis-cache`) are documented and exercised
- Backlog item tracked complete in `docs/p1-backlog.md`

## CHR-015 — Dynamic SLO Tuning

Status: Verified

Evidence:

- Backlog item tracked complete in `docs/p1-backlog.md`
- Adaptive policy implementation and tests present in `src/adaptive.rs`
- Threshold-zone preservation tests validate safety bounds

## CHR-017 — Ownership and Incident Runbook

Status: Verified

Evidence:

- Ownership mapping exists in `.github/CODEOWNERS` for Charon signal surfaces
- Incident workflow and escalation paths documented in `docs/incident-runbook.md`
- Executable validation tests exist in `tests/runbook_diagnostics.rs` (CHR-017a follow-on)

## Validation Command

The following command was used as a verification gate while updating closeout docs:

```bash
cargo test -p stygian-charon --all-features --lib
```

Result: pass (83 tests)
