Multi-provider transcription + refine with prompt optimizer.
Test guide:
1. Settings → Profiles tab: set Coordinator URL and manage profiles.
2. Settings → Console tab: paste a full XML config.
3. Record → comparison modal shows raw transcripts.
4. Click Refine on a card → drawer opens with dropdown + editable text.
5. Edit if you want. Click Insert. If your edits are significant, prompt auto-improves.