feat: share dashboard & reports, sankey report, new widgets

* fix: prompt card shadows on light mode

* fix: handle past_due and unpaid from polar

* wip

* wip

* wip 1

* fix: improve types for chart/reports

* wip share

packages/constants/index.ts

@@ -109,6 +109,7 @@ export const chartTypes = {
   funnel: 'Funnel',
   retention: 'Retention',
   conversion: 'Conversion',
+  sankey: 'Sankey',
 } as const;
 
 export const chartSegments = {