feat: add agent API and operational analytics

packages/api-contracts/src/stats.ts

@@ -7,6 +7,9 @@ const PerformanceFields = {
   responseRate: z.number(),
   totalImages: z.number(),
   imageRate: z.number(),
+  pendingSent: z.number().optional(),
+  responseRateLow: z.number().optional(),
+  responseRateHigh: z.number().optional(),
 };
 
 export const StatsResponseSchema = z.strictObject({
@@ -57,5 +60,19 @@ export const DailyTrendSchema = z.strictObject({
 });
 export const DailyTrendResponseSchema = z.array(DailyTrendSchema);
 
+export const FunnelResponseSchema = z.strictObject({
+  responseWindowHours: z.number(),
+  processed: z.number(),
+  sent: z.number(),
+  pending: z.number(),
+  mature: z.number(),
+  responded: z.number(),
+  engaged: z.number(),
+  declined: z.number(),
+  boundary: z.number(),
+  upsell: z.number(),
+  images: z.number(),
+});
+
 export type StatsResponse = z.infer<typeof StatsResponseSchema>;
 export type TimersResponse = z.infer<typeof TimersResponseSchema>;