# Phase 7 Verification Report — Design System Skills Validation

**Date:** 2026-03-19
**Phase:** 7 of 7 (Final Validation)
**Plan:** docs/changes/design-system-skills/plans/2026-03-19-design-system-phase7-validation-plan.md

## Success Criteria Results

| #   | Criterion                                                       | Status | Evidence                                                                                                                              |
| --- | --------------------------------------------------------------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------- |
| 1   | `harness-design-system` generates valid W3C DTCG `tokens.json`  | PASS   | SKILL.md contains W3C, DTCG, tokens.json, $value, $type, color/typography/spacing                                                     |
| 2   | `harness-accessibility` detects WCAG AA contrast failures       | PASS   | SKILL.md contains WCAG AA, 4.5:1 contrast ratio, violation detection                                                                  |
| 3   | `harness-design` produces `DESIGN.md` with required sections    | PASS   | SKILL.md contains DESIGN.md, aesthetic direction, tone, anti-patterns, platform notes                                                 |
| 4   | `harness-design-web` generates token-referencing components     | PASS   | SKILL.md contains tokens.json, prohibits hardcoded values, covers Tailwind/React                                                      |
| 5   | `harness-design-mobile` generates platform-appropriate patterns | PASS   | SKILL.md covers HIG, Material Design, SwiftUI, Flutter, React Native, Compose                                                         |
| 6   | `designStrictness: strict` surfaces violations as error         | PASS   | harness-verify SKILL.md documents strict mode -> error behavior                                                                       |
| 7   | `designStrictness: permissive` downgrades to info               | PASS   | harness-verify SKILL.md documents permissive mode -> info behavior                                                                    |
| 8   | Token change triggers impact-analysis                           | PASS   | harness-impact-analysis SKILL.md contains DesignToken, USES_TOKEN, tokens.json                                                        |
| 9   | enforce-architecture reports design violations                  | PASS   | SKILL.md contains DESIGN-001 through DESIGN-004 codes, token/hardcoded checking                                                       |
| 10  | Industry knowledge YAML files for 8+ verticals                  | PASS   | 8 YAML files in industries/ dir, each with name, styles, palette, typography                                                          |
| 11  | All 5 skills pass harness validate and tests                    | PASS   | pnpm test passes across all packages; harness validate passes                                                                         |
| 12  | Platform parity (claude-code + gemini-cli)                      | PASS   | All 5 skills have byte-identical SKILL.md and skill.yaml across both platforms                                                        |
| 13  | Graph ingestion produces correct nodes and edges                | PASS   | DesignIngestor.test.ts (11 tests) + DesignConstraintAdapter.test.ts (10 tests) pass                                                   |
| 14  | Anti-pattern detection covers key categories                    | PASS   | color.yaml (hardcoded/contrast), typography.yaml (generic fonts), alt text in accessibility, checkForHardcodedColors/Fonts in adapter |
| 15  | Skills compose (design -> design-web consistent output)         | PASS   | design-web references tokens.json + DESIGN.md; dependency chain in skill.yaml                                                         |

**Result: 15/15 PASS**

## Test Counts

| Package                         | Tests | Status |
| ------------------------------- | ----- | ------ |
| @harness-engineering/skills     | 491   | PASS   |
| @harness-engineering/cli        | 514   | PASS   |
| @harness-engineering/graph      | 231   | PASS   |
| @harness-engineering/mcp-server | 155   | PASS   |
| Phase 7 validation test         | 106   | PASS   |

## Validation Test Details

- **File:** `packages/cli/tests/design-system/validation.test.ts`
- **Tests:** 106 (covering all 15 success criteria)
- **Approach:** Reads skill files from disk with `fs`, parses YAML with `yaml` package, asserts content and structure

## Issues Found

None. All 15 success criteria met without modification.

## Artifacts Produced

### Phase 1: Shared Foundation

- `agents/skills/shared/design-knowledge/industries/` — 8 industry YAML files
- `agents/skills/shared/design-knowledge/anti-patterns/` — 4 anti-pattern YAML files
- `agents/skills/shared/design-knowledge/palettes/` — curated palette data
- `agents/skills/shared/design-knowledge/typography/` — typography pairings data
- `agents/skills/shared/design-knowledge/platform-rules/` — 4 platform rule files

### Phase 2: Graph Schema

- `packages/graph/src/ingest/DesignIngestor.ts` — design token and intent ingestion
- `packages/graph/src/constraints/DesignConstraintAdapter.ts` — design constraint enforcement
- `packages/graph/tests/ingest/DesignIngestor.test.ts` — 11 tests
- `packages/graph/tests/constraints/DesignConstraintAdapter.test.ts` — 10 tests

### Phase 3: Foundation Skills

- `agents/skills/claude-code/harness-design-system/` — SKILL.md + skill.yaml
- `agents/skills/claude-code/harness-accessibility/` — SKILL.md + skill.yaml
- (+ gemini-cli copies)

### Phase 4: Aesthetic Skill

- `agents/skills/claude-code/harness-design/` — SKILL.md + skill.yaml
- (+ gemini-cli copy)

### Phase 5: Implementation Skills

- `agents/skills/claude-code/harness-design-web/` — SKILL.md + skill.yaml
- `agents/skills/claude-code/harness-design-mobile/` — SKILL.md + skill.yaml
- (+ gemini-cli copies)

### Phase 6: Integration

- Modified SKILL.md files: harness-verify, harness-integrity, harness-onboarding, harness-impact-analysis, enforce-architecture

### Phase 7: Validation

- `packages/cli/tests/design-system/validation.test.ts` — 106 validation tests
- `docs/changes/design-system/verifications/2026-03-19-design-system-phase7-VERIFICATION.md` — this report
