[US-025] Platform revenue dashboard (super admin) #4
Description
User Story
As a super admin,
I want a real-time revenue dashboard,
So that I can track Liemo's financial performance.
Acceptance Criteria
- MRR, ARR, total revenue, new subscriptions, churned subscriptions
- Revenue breakdown by plan tier and region (PH vs KW)
- Charts: revenue over time, plan distribution pie chart
- Export as PDF report
- Date range filtering