feat(usage): add event analytics dashboard

cmd/gateway_http_wiring.go

@@ -135,7 +135,7 @@ func (d *gatewayDeps) wireHTTPHandlersOnServer(
 
 	// Usage analytics API
 	if d.pgStores.Snapshots != nil {
-		d.server.SetUsageHandler(httpapi.NewUsageHandler(d.pgStores.Snapshots, d.pgStores.DB))
+		d.server.SetUsageHandler(httpapi.NewUsageHandler(d.pgStores.Snapshots, d.pgStores.UsageEvents, d.pgStores.DB))
 	}
 	if d.pgStores.UsageCaps != nil {
 		d.server.SetUsageCapsHandler(httpapi.NewUsageCapsHandler(d.pgStores.UsageCaps, d.pgStores.Tenants))

cmd/gateway_managed.go

@@ -246,6 +246,7 @@ func wireExtras(
 		ModelPricing:           appCfg.Telemetry.ModelPricing,
 		TracingStore:           stores.Tracing,
 		UsageCaps:              usageCapSvc,
+		UsageEvents:            stores.UsageEvents,
 		MemoryStore:            stores.Memory,
 		ContactStore:           stores.Contacts,
 		TenantStore:            stores.Tenants,

cmd/gateway_setup.go

@@ -322,7 +322,7 @@ func wireTracingAndCron(
 	// Start snapshot worker for hourly usage aggregation
 	var snapshotWorker *tracing.SnapshotWorker
 	if stores.Snapshots != nil {
-		snapshotWorker = tracing.NewSnapshotWorker(stores.DB, stores.Snapshots)
+		snapshotWorker = tracing.NewSnapshotWorker(stores.DB, stores.Snapshots, stores.UsageEvents)
 		snapshotWorker.Start()
 
 		// Backfill historical data in background