feat: add Notifications section to settings with Reports and Alerts

- Adds purpose field to report schedule API client
- Adds useAlertSchedules SWR hook
- Reorganizes settings: Reports tab becomes Notifications tab
- Groups existing Reports and new Alerts subsections
- Alert channels reuse report delivery infrastructure (email, Slack, Discord, webhooks)

lib/swr/dashboard.ts

@@ -32,7 +32,7 @@ import type { Site } from '@/lib/api/sites'
 import { listFunnels, type Funnel } from '@/lib/api/funnels'
 import { getUptimeStatus, type UptimeStatusResponse } from '@/lib/api/uptime'
 import { listGoals, type Goal } from '@/lib/api/goals'
-import { listReportSchedules, type ReportSchedule } from '@/lib/api/report-schedules'
+import { listReportSchedules, listAlertSchedules, type ReportSchedule } from '@/lib/api/report-schedules'
 import { listSessions, getBotFilterStats, type SessionSummary, type BotFilterStats } from '@/lib/api/bot-filter'
 import { getGSCStatus, getGSCOverview, getGSCTopQueries, getGSCTopPages, getGSCDailyTotals, getGSCNewQueries } from '@/lib/api/gsc'
 import type { GSCStatus, GSCOverview, GSCQueryResponse, GSCPageResponse, GSCDailyTotal, GSCNewQueries } from '@/lib/api/gsc'
@@ -81,6 +81,7 @@ const fetchers = {
   uptimeStatus: (siteId: string) => getUptimeStatus(siteId),
   goals: (siteId: string) => listGoals(siteId),
   reportSchedules: (siteId: string) => listReportSchedules(siteId),
+  alertSchedules: (siteId: string) => listAlertSchedules(siteId),
   gscStatus: (siteId: string) => getGSCStatus(siteId),
   gscOverview: (siteId: string, start: string, end: string) => getGSCOverview(siteId, start, end),
   gscTopQueries: (siteId: string, start: string, end: string, limit: number, offset: number) => getGSCTopQueries(siteId, start, end, limit, offset),
@@ -411,6 +412,19 @@ export function useReportSchedules(siteId: string) {
   )
 }
 
+// * Hook for alert schedules (uptime alerts)
+export function useAlertSchedules(siteId: string) {
+  return useSWR<ReportSchedule[]>(
+    siteId ? ['alertSchedules', siteId] : null,
+    () => fetchers.alertSchedules(siteId),
+    {
+      ...dashboardSWRConfig,
+      refreshInterval: 60 * 1000,
+      dedupingInterval: 10 * 1000,
+    }
+  )
+}
+
 // * Hook for GSC connection status
 export function useGSCStatus(siteId: string) {
   return useSWR<GSCStatus>(