Expert guide for automated and manual Web Accessibility (a11y) testing — axe-core, Pa11y, Playwright a11y, screen reader testing, and WCAG 2.2 Level AA/AAA compliance / Panduan ahli pengujian aksesibilitas web.
日本語の概要は準備中です。原文の説明を表示しています。
Expert guide for creating high-converting application promotional media — App Store & Google Play screenshots, social promo graphics, dynamic Open Graph banners, Remotion programmatic video teasers, and AI promo showcases / Panduan ahli pembuatan media promosi aplikasi — mockup screenshot App Store & Google Play, kartu promo media sosial, banner Open Graph dinamis, video teaser terprogram Remotion, dan showcase promo berbasis AI.
インストールする前に、エージェントに与えられる指示の中身を確認できます。
<a name="english"></a>
ai-media-generation-expert: Generates AI imagery (Flux 1.1 Pro), video B-roll (Sora, Runway Gen-3), and synthetic voiceover narration (ElevenLabs v3).svg-animation-motion-expert: High-performance SVG animations, Framer Motion transitions, and kinetic typography.file-upload-media-expert: CDN asset distribution, lossy/lossless image compression (Sharp), and video transcoding.seo: Dynamic Open Graph (og:image), Twitter Card metadata, and social crawlers previews.senior-frontend / tailwind-expert: High-fidelity CSS device frames, canvas compositing, and responsive layout styling.zero-to-prod-orchestrator: Coordinates Phase 5 (visual assets & UI branding) and Phase 8 (launch, deployment, marketing assets handover).Production-grade engineering guide for creating high-converting application promotional media across visual still graphics (App Store screenshots, social media cards, dynamic OG banners) and dynamic motion media (Remotion programmatic video teasers, kinetic app walkthroughs, and AI-narrated launch demos).
@vercel/og. ┌──────────────────────────────────────────────┐
│ APP PROMOTIONAL MEDIA ENGINE │
└──────────────────────┬───────────────────────┘
│
┌────────────────────────────┴───────────────────────────┐
▼ ▼
STILL IMAGERY & GRAPHICS MOTION & VIDEO CREATION
├── App Store & Google Play Screenshots ├── Remotion Programmatic Videos (React)
├── Social Cards (X, LinkedIn, Product Hunt) ├── 30s High-Converting Teaser Formula
├── Dynamic OpenGraph Banners (@vercel/og) ├── Kinetic Typography & Cursor Trails
└── Pure CSS/SVG Device Mockups (iPhone/Pixel) └── AI Voiceover & B-Roll Synchronization
| Target Platform | Display Size | Native Resolution | Aspect Ratio | Format Requirements |
|---|---|---|---|---|
| Apple iOS (iPhone 16 Pro Max) | 6.9" Super Retina | 1320 × 2868 px | 19.5:9 | 24-bit PNG, RGB, no alpha, max 10MB |
| Apple iOS (iPhone 16 / 15 Pro) | 6.7" Super Retina | 1290 × 2796 px | 19.5:9 | 24-bit PNG, RGB, no alpha, max 10MB |
| Apple iPadOS (iPad Pro 13") | 13.0" Liquid Retina | 2064 × 2752 px | 4:3 | 24-bit PNG, RGB, no alpha |
| Google Play Phone | Standard Flagship | 1080 × 2400 px (or 1080 × 1920) | 20:9 / 16:9 | PNG/JPEG, min 1080px on shortest side |
| Google Play Feature Graphic | Hero Banner | 1024 × 500 px | ~2:1 | 24-bit PNG/JPEG, no alpha, max 1MB |
| App Store Promo Video | Preview Video | 1080 × 1920 px (Portrait) / 1920 × 1080 | 9:16 / 16:9 | MP4/ProRes, max 30s, no fake OS overlays |
Every screenshot in the sequence must follow a 4-part visual hierarchy:
1270 × 760 px (5:3 ratio). Showcase top 3 features with crisp typography and real UI screens.240 × 240 px GIF or MP4 (under 3MB) for the product card thumbnail.1200 × 675 px (16:9) or 1200 × 630 px (1.91:1).1500 × 500 px (3:1 ratio).1080 × 1350 px (4:5 portrait ratio).1080 × 1920 px (9:16 ratio).Dynamic OG generation ensures every link share on Twitter/X, Discord, Slack, and WhatsApp renders a custom high-res branded card.
// app/api/og/route.tsx (Next.js 15 + @vercel/og / Satori)
import { ImageResponse } from 'next/og';
import { NextRequest } from 'next/server';
export const runtime = 'edge';
export async function GET(req: NextRequest) {
const { searchParams } = new URL(req.url);
const title = searchParams.get('title') || 'Next-Gen AI Workspace';
const subtitle = searchParams.get('subtitle') || 'Built with VibesPlug Swarm Architecture';
const tag = searchParams.get('tag') || 'v3.0 Production Ready';
return new ImageResponse(
(
<div
style={{
height: '100%',
width: '100%',
display: 'flex',
flexDirection: 'column',
alignItems: 'flex-start',
justifyContent: 'space-between',
padding: '64px',
backgroundColor: '#090a0f',
backgroundImage: 'radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.25) 0%, transparent 60%), radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.2) 0%, transparent 60%)',
fontFamily: 'Inter, sans-serif',
color: '#ffffff',
}}
>
{/* Top Badges */}
<div style={{ display: 'flex', alignItems: 'center', gap: '16px' }}>
<div
style={{
padding: '6px 16px',
borderRadius: '9999px',
backgroundColor: 'rgba(255, 255, 255, 0.1)',
border: '1px solid rgba(255, 255, 255, 0.2)',
fontSize: '20px',
fontWeight: 600,
color: '#818cf8',
}}
>
{tag}
</div>
</div>
{/* Main Title & Subtitle */}
<div style={{ display: 'flex', flexDirection: 'column', gap: '16px', maxWidth: '850px' }}>
<h1
style={{
fontSize: '60px',
fontWeight: 800,
lineHeight: 1.1,
letterSpacing: '-0.02em',
background: 'linear-gradient(135deg, #ffffff 40%, #94a3b8 100%)',
backgroundClip: 'text',
color: 'transparent',
margin: 0,
}}
>
{title}
</h1>
<p
style={{
fontSize: '26px',
color: '#94a3b8',
lineHeight: 1.4,
margin: 0,
}}
>
{subtitle}
</p>
</div>
{/* Footer Brand Branding */}
<div
style={{
display: 'flex',
alignItems: 'center',
justifyContent: 'space-between',
width: '100%',
borderTop: '1px solid rgba(255, 255, 255, 0.1)',
paddingTop: '24px',
}}
>
<div style={{ display: 'flex', alignItems: 'center', gap: '12px' }}>
<div
style={{
width: '32px',
height: '32px',
borderRadius: '8px',
background: 'linear-gradient(135deg, #6366f1, #a855f7)',
}}
/>
<span style={{ fontSize: '22px', fontWeight: 700 }}>MyApp.io</span>
</div>
<span style={{ fontSize: '18px', color: '#64748b' }}>Try free today • No credit card</span>
</div>
</div>
),
{
width: 1200,
height: 630,
}
);
}
Remotion allows developers to render MP4 promo videos completely from code, enabling animated UI components, kinetic typography, spring physics, and device rotations.
// src/remotion/AppPromoComposition.tsx
import { AbsoluteFill, interpolate, spring, useCurrentFrame, useVideoConfig } from 'remotion';
import React from 'react';
export const AppPromoComposition: React.FC<{
headline: string;
subheadline: string;
screenshotUrl: string;
}> = ({ headline, subheadline, screenshotUrl }) => {
const frame = useCurrentFrame();
const { fps } = useVideoConfig();
// Entrance spring animation for the device mockup
const deviceEntrance = spring({
frame,
fps,
config: { damping: 14, stiffness: 90 },
});
const translateY = interpolate(deviceEntrance, [0, 1], [400, 0]);
const scale = interpolate(deviceEntrance, [0, 1], [0.85, 1]);
// Floating continuous hover effect after entry
const hoverY = Math.sin(frame / 20) * 12;
// Text reveal animation
const textOpacity = interpolate(frame, [0, 20], [0, 1], { extrapolateRight: 'clamp' });
const textTranslateY = interpolate(frame, [0, 20], [30, 0], { extrapolateRight: 'clamp' });
return (
<AbsoluteFill
style={{
backgroundColor: '#0a0d14',
backgroundImage: 'radial-gradient(ellipse at 50% 10%, rgba(99, 102, 241, 0.35) 0%, transparent 70%)',
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
justifyContent: 'center',
fontFamily: 'Inter, sans-serif',
overflow: 'hidden',
padding: '60px',
}}
>
{/* Kinetic Headline */}
<div
style={{
opacity: textOpacity,
transform: `translateY(${textTranslateY}px)`,
textAlign: 'center',
marginBottom: '40px',
zIndex: 10,
}}
>
<h1
style={{
fontSize: '56px',
fontWeight: 800,
color: '#ffffff',
margin: '0 0 16px 0',
letterSpacing: '-0.02em',
}}
>
{headline}
</h1>
<p style={{ fontSize: '26px', color: '#94a3b8', margin: 0 }}>
{subheadline}
</p>
</div>
{/* Floating Device Container */}
<div
style={{
transform: `translateY(${translateY + hoverY}px) scale(${scale})`,
width: '720px',
height: '1100px',
borderRadius: '48px',
padding: '16px',
backgroundColor: '#1f2937',
boxShadow: '0 30px 80px rgba(0, 0, 0, 0.7), 0 0 40px rgba(99, 102, 241, 0.25)',
border: '4px solid #374151',
overflow: 'hidden',
display: 'flex',
flexDirection: 'column',
}}
>
{/* Dynamic Notch / Island */}
<div style={{ display: 'flex', justifyContent: 'center', marginBottom: '8px' }}>
<div style={{ width: '120px', height: '24px', backgroundColor: '#000', borderRadius: '12px' }} />
</div>
{/* Screen Content */}
<img
src={screenshotUrl}
alt="App Screen"
style={{
width: '100%',
height: '100%',
objectFit: 'cover',
borderRadius: '32px',
}}
/>
</div>
</AbsoluteFill>
);
};
# Render 9:16 vertical promo teaser (Reels / TikTok / Shorts)
npx remotion render src/remotion/index.ts AppPromoTeaser out/promo-teaser.mp4 --props='{"headline":"Ship Apps in Minutes","subheadline":"Autonomous Swarm Intelligence","screenshotUrl":"/assets/screen.png"}'
| Timestamp | Phase | Visual Cue | Audio / Narration Guidance |
|---|---|---|---|
| 00:00 - 00:04 | The Hook | Rapid zoom into problem (e.g., messy manual spreadsheets or failed builds). Red/Amber warning badges. | "Still wasting hours manually deploying releases?" (Punchy, energetic voiceover). |
| 00:04 - 00:12 | The Reveal | Seamless 3D device tilt transition. App dashboard appears with glowing interactive accents. | "Meet [App Name] — your autonomous zero-to-prod engine." |
| 00:12 - 00:20 | Key Superpowers | 3 rapid cuts showcasing core features: 1. One-click setup; 2. Live analytics; 3. Instant sync. | "One click transforms your workflow, syncs real-time data, and eliminates human error." |
| 00:20 - 00:26 | Social Proof | 5-star badges, G2/Product Hunt badges, floating testimonial avatar pills. | "Trusted by over 10,000 developers worldwide." |
| 00:26 - 00:30 | Call-to-Action | Big shiny CTA button, App Store & Google Play badges, prominent URL. | "Download now on the App Store or visit myapp.io to start free today." |
Run this script to automatically take pixel-perfect screenshot captures formatted for App Store specs:
// scripts/capture-promo-screens.ts
import { chromium, devices } from 'playwright';
import path from 'path';
const TARGET_URL = process.env.APP_URL || 'http://localhost:3000';
const OUTPUT_DIR = path.join(process.cwd(), 'promo-assets/screenshots');
const SCREEN_TARGETS = [
{ name: '01-dashboard-ios', device: devices['iPhone 15 Pro Max'], path: '/dashboard' },
{ name: '02-analytics-ios', device: devices['iPhone 15 Pro Max'], path: '/analytics' },
{ name: '03-settings-ios', device: devices['iPhone 15 Pro Max'], path: '/settings' },
];
async function captureScreens() {
const browser = await chromium.launch();
for (const target of SCREEN_TARGETS) {
const context = await browser.newContext({
...target.device,
deviceScaleFactor: 3, // Crisp Retina resolution
});
const page = await context.newPage();
await page.goto(`${TARGET_URL}${target.path}`, { waitUntil: 'networkidle' });
// Emulate dark mode or custom theme if desired
await page.emulateMedia({ colorScheme: 'dark' });
const outputPath = `${OUTPUT_DIR}/${target.name}.png`;
await page.screenshot({ path: outputPath, fullPage: false });
console.log(`📸 Captured: ${outputPath}`);
await context.close();
}
await browser.close();
}
captureScreens().catch(console.error);
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ai-media-generation-expert: Menghasilkan gambar AI (Flux 1.1 Pro), video B-roll (Sora, Runway Gen-3), dan suara narasi sintetis (ElevenLabs v3).svg-animation-motion-expert: Animasi grafis SVG, transisi Framer Motion, dan tipografi kinetik.file-upload-media-expert: Distribusi aset CDN, kompresi gambar (Sharp), dan transkoding video.seo: Dynamic Open Graph (og:image), Twitter Card metadata, dan preview link media sosial.senior-frontend / tailwind-expert: Mockup frame gadget CSS dengan presisi tinggi, komposisi canvas, dan styling Tailwind CSS v4.zero-to-prod-orchestrator: Mengorkestrasi Fase 5 (aset visual UI) dan Fase 8 (peluncuran, deployment, serah terima materi promosi).Panduan rekayasa tingkat produksi untuk membuat media promosi aplikasi berkualitas tinggi, baik materi grafis statis (screenshot App Store & Google Play, banner media sosial, kartu Open Graph dinamis) maupun materi video animasi gerak (video teaser terprogram dengan Remotion React, tur aplikasi kinetik, dan demo peluncuran berbasis AI).
@vercel/og (Satori).[1. Script & Storyboard] ──► [2. Tangkapan Layar Otomatis] ──► [3. Framing & Tipografi]
│
[5. Distribusi Multi-Channel] ◄── [4. Render Video Remotion / OG] ◄─────┘
# Render video promosi vertikal 9:16 untuk TikTok / Instagram Reels
npx remotion render src/remotion/index.ts AppPromoTeaser out/promo-teaser.mp4 --props='{"headline":"Bangun Aplikasi Cepat","subheadline":"Didukung Agen AI Otonom","screenshotUrl":"/assets/screen.png"}'
まだレビューはありません。使ってみた感想をお寄せください。
概要と使いどころ
Expert guide for automated and manual Web Accessibility (a11y) testing — axe-core, Pa11y, Playwright a11y, screen reader testing, and WCAG 2.2 Level AA/AAA compliance / Panduan ahli pengujian aksesibilitas web.
日本語の概要は準備中です。原文の説明を表示しています。
Expert guide for intelligent model cascading and routing — complexity-scored task routing from Flash/Haiku to Sonnet/Opus/Astra, dynamic escalation with quality gates, 40-60% token cost reduction while maintaining output quality / Panduan ahli untuk kaskade dan routing model cerdas — routing tugas berbasis skor kompleksitas dari Flash/Haiku ke Sonnet/Opus/Astra, eskalasi dinamis dengan gerbang kualitas, pengurangan biaya token 40-60% dengan kualitas output terjaga.
日本語の概要は準備中です。原文の説明を表示しています。
Expert guide for Affective Computing, emotional AI, and real-time sentiment analysis through native multimodal tokens (voice intonation and facial micro-expressions) / Panduan ahli komputasi afektif, AI emosional, dan analisis sentimen real-time melalui token multimodal native.
日本語の概要は準備中です。原文の説明を表示しています。
Expert guide for AI-assisted coding workflows — agentic code generation, multi-agent code swarms, self-healing CI/CD, automated PR review, spec-to-code pipelines, codebase knowledge graphs, and human-in-the-loop approval gates / Panduan ahli untuk workflow pengkodean berbasis AI — generasi kode agentic, code swarm multi-agen, CI/CD self-healing, review PR otomatis, pipeline spec-to-code, knowledge graph codebase, dan gate persetujuan human-in-the-loop.
日本語の概要は準備中です。原文の説明を表示しています。
Expert guide for long-term episodic memory integration (Mem0 v2, Letta/MemGPT, Zep v2), memory tier architecture, pgvector HNSW storage, and unified context management for autonomous AI agents / Panduan ahli untuk integrasi memori episodik jangka panjang (Mem0 v2, Letta/MemGPT, Zep v2), arsitektur tier memori, penyimpanan pgvector HNSW, dan manajemen konteks terpadu untuk agen AI otonom.
日本語の概要は準備中です。原文の説明を表示しています。
Expert guide for designing Machine-to-Machine (M2M) micro-economies, autonomous agent wallets, and swarm budget allocation / Panduan ahli merancang ekonomi mikro antar-agen (M2M), dompet agen otonom, dan alokasi anggaran swarm.
日本語の概要は準備中です。原文の説明を表示しています。