> Canonical URL: https://codingcat.dev/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-5-polish-gate

# Lesson 5: Automated Pre-Export Polish Passes on Storyboards & Contact Sheets | Impeccable: Automated Design Review & Polish for AI UI and Motion | CodingCat.dev Course

[🧶 Impeccable: Automated Design Review & Polish for AI UI and Motion](/course/impeccable-automated-design-critique)Section 1.5 · Lesson 5 of 5[![](/logos/tags/react-native-symbol-light.svg)![](/logos/tags/react-native-symbol-dark.svg)React Native](/topic/react-native)[![](/logos/tags/ai-symbol-light.svg)![](/logos/tags/ai-symbol-dark.svg)AI & Agents](/topic/ai)[![](/logos/tags/design-symbol-light.svg)![](/logos/tags/design-symbol-dark.svg)Design](/topic/design)[![](/logos/tags/video-symbol-light.svg)![](/logos/tags/video-symbol-dark.svg)Video](/topic/video)[← Prev Lesson](/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-4-spring-tiers)

# Lesson 5: Automated Pre-Export Polish Passes on Storyboards & Contact Sheets

![Lesson 5: Automated Pre-Export Polish Passes on Storyboards & Contact Sheets Architecture Diagram](https://cdn.sanity.io/images/hfh83o0w/production/8959946c17c836c20912d46409b46d3a1c0a507c-1376x768.png?w=1376&q=82&fit=max&auto=format)

## 1. The 15-Second Hook

Welcome to Lesson 5 of Impeccable: Automated Design Review & Polish for AI UI and Motion on CodingCat.dev. Today we break down Automated Pre-Export Polish Passes on Storyboards & Contact Sheets and see how it powers our deterministic 3D AJ and code-rendered video pipeline.

## 2. Architecture Mental Model (Visual Diagram)

Look at the architecture diagram: on the left, vibe-prompted animations suffer from timer drift and unreviewed layout bugs. On the right, Polish Gate and Ship Ready enforce a deterministic frame contract.

## 3. Show Me the Code (docs/style_guide.md)

Copied! 🐾📄 docs/style_guide.mdtypescript

```
## Impeccable & CodingCat.dev Motion Style Contract
- Banned: centered title on generic gradient, everything fading in, glowing neon boxes.
- Palette: Obsidian `#0B1326`, Chalk `#FAF9FC`, Royal Purple `#7C3AED`, Electric Lime `#C5E86C`.
- Typography: `Nunito` 900 display, `Inter` UI, `JetBrains Mono` code, `Virgil` diagrams.
- Pacing: Something new on screen every 2 to 4 seconds; hold headlines long enough to read.
```

In docs/style_guide.md, we wire up the production implementation so both our browser runtime and headless renderer stay 100 percent synchronized.

## 4. Production Trade-Off Matrix

DimensionDeterministic 2026 PatternLegacy Anti-PatternWhy It Matters in ProductionDeterminismPure function of time t via window.seek(t)Non-deterministic timers & Math.random()Any frame renders identically on demand.Visual PolishContact-sheet critique loop + W3C tokensFirst unreviewed render ships as finalEliminates overlapping text and dead beats.3D & Mascot RigUnified 57-path 2D SVG + Three.js 3D GLB AJStatic flat raster imagesInteractive orbital 3D + 120 BPM lip-sync.Production Cost$0 open-source local RTX 5090 pipeline$1,200+ agency fee or per-minute SaaS cliffScales across 95+ lessons with zero marginal cost.

When we compare this deterministic 2026 pattern against legacy workflows in our trade-off matrix, we get exact frame reproducibility, automated critique gates, and zero licensing cost.

## 5. Verdict & AJ Pro-Tip

> AJ Pro-Tip: Always verify frame 300 twice during your contact-sheet critique pass to confirm your Polish Gate setup has zero non-deterministic state leaks.

Adopt Polish Gate inside your studio folder today so every future launch film and 3D mascot animation builds on a reusable harness. Hit Subscribe and let's continue!

✏️ Visual Architecture Diagram

## how this course connects together.

Follow AJ from first principles to production-ready architecture.

Let’s build it!✏️ Visual Diagram: Impeccable: Automated Design Review & Polish for…✓ Good PatternVISUAL DIAGRAM[Diagram Walkthrough]Step-by-step diagram breakdown for Impeccable: Automated Design Review & Polish for AI UI and Motion: Lesson 5: Automated Pre-Export Polish Passes on Storyboards & Contact Sheets: start with Core Architecture & Deterministic Implementation, implement Impeccable: Automated Design Review & Polish for AI UI and Motion, and ship to production.AAA Contrast Verified

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## Impeccable: Automated Design Review & Polish for AI UI and Motion

5/51

### Core Architecture & Deterministic Implementation

- [1.1Lesson 1: Why Default LLM Prompts Produce Centered Gradient Slop ('Brief Contagion')](/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-1-slop-trap)
- [1.2Lesson 2: Installing `pbakaus/impeccable` & Wiring Design Gates into `CLAUDE.md`](/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-2-impeccable)
- [1.3Lesson 3: Enforcing One Display Face, One UI Face, and W3C Color Contrast Tokens](/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-3-type-scale)
- [1.4Lesson 4: Spring Hierarchy: Snappy Micro-UI vs. Gliding Camera vs. Bouncy Mascot](/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-4-spring-tiers)
- [1.5Lesson 5: Automated Pre-Export Polish Passes on Storyboards & Contact Sheets▶](/course/impeccable-automated-design-critique/lesson/impeccable-automated-design-critique-lesson-5-polish-gate)

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