# Create a functional Chronograph demo HTML with media preview, Nano Slot simulation, and calendar integration
demo_html_path = "/mnt/data/Chronograph_Demo_Functional.html"
html_content = """
Chronograph Demo Functional
Chronograph
User: Demo User
Create Event / Post
"""
with open(demo_html_path, "w") as f:
f.write(html_content)
demo_html_path