Please deep think / ultrathink as this is a complex task.

htmlify-v2

Static HTML document generator — takes any content the user points to (markdown files, notes, specs, plans, conversation context) and produces a polished, self-contained HTML file. Zero dependencies, opens directly in a browser, ready to share or print to PDF.

User input:

$ARGUMENTS

Expected usage patterns:
```bash
/htmlify <source>                           # HTMLify a file or path
/htmlify <source> --output path/to/out.html # Specify output path
/htmlify                                    # HTMLify from conversation context
/htmlify --dark                             # Use dark variant
```