---
phase: 04-aesthetic-skill
verified: 2026-03-19T18:31:00Z
status: passed
score: 10/10 must-haves verified
gaps: []
---

# Phase 4: Aesthetic Skill (harness-design) Verification Report

**Phase Goal:** Create the `harness-design` skill (skill.yaml + SKILL.md, both platforms) that provides an aesthetic direction workflow with anti-pattern enforcement, DESIGN.md generation, and configurable strictness.
**Verified:** 2026-03-19T18:31:00Z
**Status:** passed
**Re-verification:** No -- initial verification

## Goal Achievement

### Observable Truths

| #   | Truth                                                                                             | Status   | Evidence                                                                                                                                                                                                                                                            |
| --- | ------------------------------------------------------------------------------------------------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 1   | skill.yaml exists with correct fields (name, cognitive_mode, type, phases, platforms, depends_on) | VERIFIED | All 6 fields match plan spec exactly. name: harness-design (L1), cognitive_mode: advisory-guide (L4), type: flexible (L35), phases: intent/direction/review/enforce (L37-48), platforms: claude-code/gemini-cli (L9-10), depends_on: harness-design-system (L52-53) |
| 2   | SKILL.md exists with all required sections                                                        | VERIFIED | Sections found: When to Use (L5), Process with 4 phases INTENT/DIRECTION/REVIEW/ENFORCE (L16-149), Harness Integration (L151), Success Criteria (L160), Examples (L173), Gates (L244), Escalation (L254)                                                            |
| 3   | SKILL.md references shared design-knowledge data files                                            | VERIFIED | References to `agents/skills/shared/design-knowledge/industries/{industry}.yaml` (L30), `palettes/curated.yaml` (L43), `typography/pairings.yaml` (L44), and anti-pattern catalogs (L91-94)                                                                         |
| 4   | SKILL.md references graph schema artifacts                                                        | VERIFIED | AestheticIntent nodes (L77, L165), DECLARES_INTENT edges (L78, L166), DesignConstraint nodes (L115, L167), VIOLATES_DESIGN edges (L97, L116, L168), DesignConstraintAdapter (L97, L117, L156)                                                                       |
| 5   | SKILL.md references harness-design-system as dependency                                           | VERIFIED | skill.yaml depends_on (L52-53), SKILL.md Harness Integration section (L157), INTENT phase reads tokens from harness-design-system output (L21-22)                                                                                                                   |
| 6   | SKILL.md covers DESIGN.md generation with spec structure                                          | VERIFIED | Phase 2 DIRECTION (L49-81) specifies: Aesthetic Direction (L53-56), Anti-Patterns (L58-61), Platform Notes (L63-66), Strictness Override (L68-74)                                                                                                                   |
| 7   | SKILL.md covers designStrictness configuration                                                    | VERIFIED | Three levels defined: permissive (L72, L101, L145), standard (L73, L102, L146), strict (L74, L103-104, L147). Behavior differences documented in REVIEW (L101-104) and ENFORCE (L144-147) phases                                                                    |
| 8   | gemini-cli skill.yaml is byte-identical to claude-code copy                                       | VERIFIED | `diff` returned exit code 0 (no differences)                                                                                                                                                                                                                        |
| 9   | gemini-cli SKILL.md is byte-identical to claude-code copy                                         | VERIFIED | `diff` returned exit code 0 (no differences). Both files are 17631 bytes                                                                                                                                                                                            |
| 10  | Tests pass                                                                                        | VERIFIED | Skills test suite: 459/459 passed (0 failures). Full project: 16/16 tasks successful. No pre-existing harness-autopilot parity failure observed                                                                                                                     |

**Score:** 10/10 truths verified

### Required Artifacts

| Artifact                                              | Expected                                  | Status   | Details                                                               |
| ----------------------------------------------------- | ----------------------------------------- | -------- | --------------------------------------------------------------------- |
| `agents/skills/claude-code/harness-design/skill.yaml` | Skill metadata with correct fields        | VERIFIED | 1371 bytes, valid YAML, all required fields present                   |
| `agents/skills/claude-code/harness-design/SKILL.md`   | Full skill documentation with 7+ sections | VERIFIED | 17631 bytes, 261 lines, all sections present with substantive content |
| `agents/skills/gemini-cli/harness-design/skill.yaml`  | Byte-identical copy                       | VERIFIED | diff confirms identical                                               |
| `agents/skills/gemini-cli/harness-design/SKILL.md`    | Byte-identical copy                       | VERIFIED | diff confirms identical                                               |

### Key Link Verification

| From       | To                       | Via                                                                 | Status | Details                                                                             |
| ---------- | ------------------------ | ------------------------------------------------------------------- | ------ | ----------------------------------------------------------------------------------- |
| skill.yaml | harness-design-system    | depends_on field                                                    | WIRED  | `depends_on: [harness-design-system]` present                                       |
| SKILL.md   | shared/design-knowledge/ | File path references                                                | WIRED  | References industries/, palettes/, typography/ directories that exist               |
| SKILL.md   | DesignIngestor           | Import path reference                                               | WIRED  | References `packages/graph/src/ingest/DesignIngestor.ts` which exists               |
| SKILL.md   | DesignConstraintAdapter  | Import path reference                                               | WIRED  | References `packages/graph/src/constraints/DesignConstraintAdapter.ts` which exists |
| SKILL.md   | Graph node/edge types    | AestheticIntent, DECLARES_INTENT, DesignConstraint, VIOLATES_DESIGN | WIRED  | All types referenced in graph schema (created in Phase 2)                           |

### Anti-Patterns Found

| File       | Line | Pattern | Severity | Impact |
| ---------- | ---- | ------- | -------- | ------ |
| None found | -    | -       | -        | -      |

No TODO, FIXME, placeholder, or stub patterns detected in any of the 4 created files.

### Human Verification Required

None required. All truths are programmatically verifiable and verified.

### Gaps Summary

No gaps found. All 10 observable truths verified. Phase goal achieved.

---

_Verified: 2026-03-19T18:31:00Z_
_Verifier: Claude (gsd-verifier)_
