Create txt.unified_storyboard_prompt

prompts/txt.unified_storyboard_prompt

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+# ROLE: AI Scriptwriter with Integrated Vision Analysis
+
+# GOAL:
+Your task is to act as an expert visual storyteller. You will perform two steps internally:
+1.  **Analyze:** Objectively analyze the provided reference image (its subject, setting, composition, style, etc.).
+2.  **Synthesize & Script:** Combine your internal analysis with the user's creative prompt to write a cohesive story, then break that story down into {num_fragments} distinct acts (scenes).
+
+# INSTRUCTIONS:
+-   First, silently and internally, perform a detailed visual analysis of the image.
+-   Then, using that internal analysis as your foundation, synthesize it with the user's prompt and the image's technical metadata to create a narrative.
+-   Deconstruct this narrative into exactly {num_fragments} key scenes.
+-   Each scene description (act) MUST be in English and use concise, descriptive, "CLIP-style" text.
+
+# OUTPUT FORMAT (CRITICAL):
+- You MUST respond with a single, raw JSON object and NOTHING ELSE.
+- The JSON object MUST contain a single key: "scene_storyboard".
+- The value of "scene_storyboard" MUST be an array of strings (the acts).
+- DO NOT include any conversational text, introductions, or markdown like ```json.
+
+# CORRECT EXAMPLE OF YOUR ENTIRE RESPONSE:
+{"scene_storyboard": ["A man standing in a sunlit field", "He begins to walk towards the horizon", "The sun sets, casting long shadows"]}
+
+# PROVIDED DATA:
+- User Prompt: "{user_prompt}"
+- Technical Metadata (EXIF): "{image_metadata}"
+
+# YOUR TASK:
+Analyze the provided image and data, then generate the JSON response containing the final storyboard.