{
  "generatedAt": "2026-02-25T00:30:18.006Z",
  "model": "Imagen 4.0",
  "modelId": "imagen-4.0-generate-001",
  "provider": "google",
  "prompt": "A dark, atmospheric illustration for an audiobook cover, square 1024x1024. The central image is a lone, gnarled oak tree silhouetted against a turbulent, deep indigo sky. Moonlight, a cool, ethereal silver, breaks through dark, swirling clouds, casting long, distorted shadows on a rugged, rocky ground. Scattered around the base of the tree are a few ancient, weathered stones, hinting at forgotten history or a burial site. Subtle hints of a faint, spectral mist cling to the ground, adding to the mystery and melancholic mood. The overall style is painterly and dramatic, evoking a sense of suspense, ancient secrets, and the harshness of nature. The color palette is dominated by deep blues, grays, and blacks, with stark contrasts from the silver moonlight. The composition is centered on the tree, with the sky taking up a significant portion, creating a feeling of vastness and foreboding. Professional, high-quality digital art, no text or logos.",
  "enhancedPrompt": "A dark, atmospheric illustration for an audiobook cover, square 1024x1024. The central image is a lone, gnarled oak tree silhouetted against a turbulent, deep indigo sky. Moonlight, a cool, ethereal silver, breaks through dark, swirling clouds, casting long, distorted shadows on a rugged, rocky ground. Scattered around the base of the tree are a few ancient, weathered stones, hinting at forgotten history or a burial site. Subtle hints of a faint, spectral mist cling to the ground, adding to the mystery and melancholic mood. The overall style is painterly and dramatic, evoking a sense of suspense, ancient secrets, and the harshness of nature. The color palette is dominated by deep blues, grays, and blacks, with stark contrasts from the silver moonlight. The composition is centered on the tree, with the sky taking up a significant portion, creating a feeling of vastness and foreboding. Professional, high-quality digital art, no text or logos., professional book cover design, high quality, striking composition, commercial appeal, clean design, marketable, suitable for print, purely visual artwork only, absolutely no text anywhere in the image, no letters no words no title no author name no typography no writing no inscriptions"
}