77 lines
2.4 KiB
Markdown
77 lines
2.4 KiB
Markdown
---
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name: visual-verdict
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description: "[OMX] Structured visual QA verdict for screenshot-to-reference comparisons"
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---
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<Purpose>
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Use this skill to compare generated UI screenshots against one or more reference images and return a strict JSON verdict that can drive the next edit iteration.
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</Purpose>
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<Use_When>
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- The task includes visual fidelity requirements (layout, spacing, typography, component styling)
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- You have a generated screenshot and at least one reference image
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- You need deterministic pass/fail guidance before continuing edits
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</Use_When>
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<Inputs>
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- `reference_images[]` (one or more image paths)
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- `generated_screenshot` (current output image)
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- Optional: `category_hint` (e.g., `hackernews`, `sns-feed`, `dashboard`)
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</Inputs>
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<Output_Contract>
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Return **JSON only** with this exact shape:
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```json
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{
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"score": 0,
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"verdict": "revise",
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"category_match": false,
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"differences": ["..."],
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"suggestions": ["..."],
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"reasoning": "short explanation"
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}
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```
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Rules:
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- `score`: integer 0-100
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- `verdict`: short status (`pass`, `revise`, or `fail`)
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- `category_match`: `true` when the generated screenshot matches the intended UI category/style
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- `differences[]`: concrete visual mismatches (layout, spacing, typography, colors, hierarchy)
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- `suggestions[]`: actionable next edits tied to the differences
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- `reasoning`: 1-2 sentence summary
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<Threshold_And_Loop>
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- Target pass threshold is **90+**.
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- If `score < 90`, continue editing and rerun `$visual-verdict` before any further code edits in the next iteration.
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- Persist the verdict in `.omx/state/{scope}/ralph-progress.json` with both:
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- numeric signal (`score`, threshold pass/fail)
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- qualitative signal (`reasoning`, `suggestions`, `next_actions`)
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</Threshold_And_Loop>
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<Debug_Visualization>
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When mismatch diagnosis is hard:
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1. Keep `$visual-verdict` as the authoritative decision.
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2. Use pixel-level diff tooling (pixel diff / pixelmatch overlay) as a **secondary debug aid** to localize hotspots.
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3. Convert pixel diff hotspots into concrete `differences[]` and `suggestions[]` updates.
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</Debug_Visualization>
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<Example>
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```json
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{
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"score": 87,
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"verdict": "revise",
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"category_match": true,
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"differences": [
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"Top nav spacing is tighter than reference",
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"Primary button uses smaller font weight"
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],
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"suggestions": [
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"Increase nav item horizontal padding by 4px",
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"Set primary button font-weight to 600"
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],
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"reasoning": "Core layout matches, but style details still diverge."
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}
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```
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</Example>
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