git:20260226.f9d46d9 to git:20260406.2864109

# quality-tools Plugin

> Code quality and validation: clone detection, multi-agent E2E validation, performance profiling, schema testing.

**Hub**: [Root CLAUDE.md](../../CLAUDE.md) | **Sibling**: [itp-hooks CLAUDE.md](../itp-hooks/CLAUDE.md)

## Skills

| Skill | Purpose |

| ----------------------------------- | ----------------------------------------------------------- |

| `clickhouse-architect` | ClickHouse schema design, compression codecs, ORDER BY keys |

| `code-clone-assistant` | Detect and refactor code duplication (PMD CPD, Semgrep) |

| `multi-agent-e2e-validation` | Parallel E2E validation for database refactors |

| `multi-agent-performance-profiling` | Parallel performance profiling for bottlenecks |

| `pre-ship-review` | Structured quality review before shipping (PRs, releases) |

| `schema-e2e-validation` | Earthly E2E validation for schema-first data contracts |

| `symmetric-dogfooding` | Bidirectional integration validation between repos |

| `dead-code-detector` | Detect dead code with Vulture and coverage analysis |

| `alpha-forge-preship` | Alpha-forge specific pre-ship gates |

## Conventions

- **Three-phase review**: external tools → cc-skills orchestration → human judgment

- **9-category anti-pattern taxonomy** for integration boundary failures

- **TodoWrite templates** for new features, bug fixes, and refactoring ships