{"status":"paused"}
- [x] D1. Layout, responsive CSS (13 nav pages), professional UI
- [x] D2. Pages: Dashboard, Gmail Accounts, Recipients, Subject Lines, HTML Templates, Saved Templates, Attachments, Company Phones, Campaigns (wizard+monitor), Send Test, Logs, Suppression, Settings
- [x] D3. Live progress via SSE, confirm dialogs for destructive ops