Export Pitch now works (Markdown-only)
I added a reliable export on each individual pitch.
- Export button in the editor header
- Generates a clean Markdown (.md) file with all sections
- Removed non-working formats (PDF, PPTX, DOCX) from the UI for now
What's next:
- I'll bring back richer exports (PDF/PPTX/DOCX) via a server-side generator when it's ready
This keeps export dependable today while we build the full pipeline.