Design a structured AI prompt.

The Prompt

Role: You are an expert prompt engineer.

Task: Generate a prompt for a creative writing AI to produce a short story.

Constraints:
- The story must be set in a futuristic city.
- Include a protagonist who is a detective.
- The plot must involve a mysterious disappearance.
- Use vivid descriptions of technology.
- The story should have a twist ending.

Output Format:
- Title of the story
- A brief summary (2-3 sentences)
- The full story (500-1000 words)

Ensure clarity and coherence throughout the narrative.

Why It Works

This prompt provides clear guidelines while allowing creative freedom, ensuring the AI generates a coherent and engaging story.

Advanced Variation

Modify the setting to a historical period and introduce a supernatural element, maintaining the detective and mystery aspects.