{
  "prompt": "Create a premium cinematic 1920x1080 16:9 YouTube frame for Vietnamese audio-story channel, exactly three vertical regions with boundaries at 31.25 percent and 68.75 percent.\nLEFT REGION only: dramatic modern illustrated Lạc Châu skyline and glass architecture, teal cream amber brick-red palette. Exact large heading \"Gác Mái Audio\". Three stacked polished CTA buttons with exact labels \"Like\", \"Share\", \"Subscribe\" and matching icons. Keep all content inside left region and above bottom safe zone.\nCENTER REGION exactly 37.5 percent: perfectly uniform pure chroma-green #00FF00 rectangle, edge to edge top to bottom. Absolutely empty, no text, people, object, texture, gradient, shadow, border, decoration or overlap.\nRIGHT REGION only: an impressive ensemble movie-poster key art for corporate conspiracy drama. Exact Vietnamese title \"Những Con Dấu Dưới Mái Kính\" in at most three lines. Lâm Vãn Ninh is dominant foreground: 29, long black hair tied low, brown eyes, blue-gray shirt, beige coat, calm determined expression. Behind her at varied scales: Tạ Cảnh Thâm, 34, short black hair, thin glasses, white shirt and navy coat, principled; Hứa Mạn Kỳ, 32, black bob, dark red lipstick, wine-red suit, ambitious; Trình Khải Văn, 38, slick black hair, black suit, silver pin, cold powerful. Add subtle fractured-glass architecture, sealed evidence folders and opposing rim lights as visual symbols, but no readable text on props. High-impact layered triangular film-poster composition, dramatic depth and confrontation, strong silhouettes, cinematic practical lighting. Strict hand-drawn flat 2D Chinese manhua/webtoon, crisp ink outlines, hard-edged cel shading, graphic 2D background. Keep all right content inside right 31.25 percent.\nNo other text, no player UI, subtitles, waveform, handwriting, annotations, watermark, signature, random letters, photorealism, semi-realism, 3D, CGI or painterly rendering. Side rails must not intrude into green center.",
  "output": "/data/video-pipeline/GacMaiAudio/project/gacmai_20260713_050144/tests/three-panel-5min-poster/frame_generated.png",
  "visual_review": "pending"
}