refactor: remove performance insights (Web Vitals) feature entirely

Remove Performance tab, PerformanceStats component, settings toggle,
Web Vitals observers from tracking script, and all related API types
and SWR hooks. Duration tracking is preserved.

lib/api/sites.ts

@@ -17,8 +17,6 @@ export interface Site {
   collect_device_info?: boolean
   collect_geo_data?: GeoDataLevel
   collect_screen_resolution?: boolean
-  // Performance insights setting
-  enable_performance_insights?: boolean
   // Bot and noise filtering
   filter_bots?: boolean
   // Hide unknown locations from stats
@@ -48,8 +46,6 @@ export interface UpdateSiteRequest {
   collect_device_info?: boolean
   collect_geo_data?: GeoDataLevel
   collect_screen_resolution?: boolean
-  // Performance insights setting
-  enable_performance_insights?: boolean
   // Bot and noise filtering
   filter_bots?: boolean
   // Hide unknown locations from stats

lib/api/stats.ts

@@ -21,21 +21,6 @@ export interface ScreenResolutionStat {
   pageviews: number
 }
 
-export interface PerformanceStats {
-  lcp: number | null
-  cls: number | null
-  inp: number | null
-  samples: number
-}
-
-export interface PerformanceByPageStat {
-  path: string
-  samples: number
-  lcp: number | null
-  cls: number | null
-  inp: number | null
-}
-
 export interface GoalCountStat {
   event_name: string
   count: number
@@ -226,31 +211,6 @@ export function getPublicCampaigns(siteId: string, startDate?: string, endDate?:
     .then(r => r?.campaigns || [])
 }
 
-// ─── Performance By Page ────────────────────────────────────────────
-
-export function getPerformanceByPage(
-  siteId: string,
-  startDate?: string,
-  endDate?: string,
-  opts?: { limit?: number; sort?: 'lcp' | 'cls' | 'inp' }
-): Promise<PerformanceByPageStat[]> {
-  return apiRequest<{ performance_by_page: PerformanceByPageStat[] }>(
-    `/sites/${siteId}/performance-by-page${buildQuery({ startDate, endDate, limit: opts?.limit, sort: opts?.sort })}`
-  ).then(r => r?.performance_by_page ?? [])
-}
-
-export function getPublicPerformanceByPage(
-  siteId: string,
-  startDate?: string,
-  endDate?: string,
-  opts?: { limit?: number; sort?: 'lcp' | 'cls' | 'inp' },
-  auth?: AuthParams
-): Promise<PerformanceByPageStat[]> {
-  return apiRequest<{ performance_by_page: PerformanceByPageStat[] }>(
-    `/public/sites/${siteId}/performance-by-page${buildQuery({ startDate, endDate, limit: opts?.limit, sort: opts?.sort }, auth)}`
-  ).then(r => r?.performance_by_page ?? [])
-}
-
 // ─── Full Dashboard ─────────────────────────────────────────────────
 
 export interface DashboardData {
@@ -269,8 +229,6 @@ export interface DashboardData {
   os: OSStat[]
   devices: DeviceStat[]
   screen_resolutions: ScreenResolutionStat[]
-  performance?: PerformanceStats
-  performance_by_page?: PerformanceByPageStat[]
   goal_counts?: GoalCountStat[]
 }
 
@@ -324,11 +282,6 @@ export interface DashboardReferrersData {
   top_referrers: TopReferrer[]
 }
 
-export interface DashboardPerformanceData {
-  performance?: PerformanceStats
-  performance_by_page?: PerformanceByPageStat[]
-}
-
 export interface DashboardGoalsData {
   goal_counts: GoalCountStat[]
 }
@@ -388,17 +341,6 @@ export function getPublicDashboardReferrers(
   return apiRequest<DashboardReferrersData>(`/public/sites/${siteId}/dashboard/referrers${buildQuery({ startDate, endDate, limit }, { password, captcha })}`)
 }
 
-export function getDashboardPerformance(siteId: string, startDate?: string, endDate?: string, filters?: string): Promise<DashboardPerformanceData> {
-  return apiRequest<DashboardPerformanceData>(`/sites/${siteId}/dashboard/performance${buildQuery({ startDate, endDate, filters })}`)
-}
-
-export function getPublicDashboardPerformance(
-  siteId: string, startDate?: string, endDate?: string,
-  password?: string, captcha?: { captcha_id?: string, captcha_solution?: string, captcha_token?: string }
-): Promise<DashboardPerformanceData> {
-  return apiRequest<DashboardPerformanceData>(`/public/sites/${siteId}/dashboard/performance${buildQuery({ startDate, endDate }, { password, captcha })}`)
-}
-
 export function getDashboardGoals(siteId: string, startDate?: string, endDate?: string, limit = 10, filters?: string): Promise<DashboardGoalsData> {
   return apiRequest<DashboardGoalsData>(`/sites/${siteId}/dashboard/goals${buildQuery({ startDate, endDate, limit, filters })}`)
 }

lib/swr/dashboard.ts

@@ -9,7 +9,6 @@ import {
   getDashboardLocations,
   getDashboardDevices,
   getDashboardReferrers,
-  getDashboardPerformance,
   getDashboardGoals,
   getCampaigns,
   getRealtime,
@@ -48,7 +47,6 @@ import type {
   DashboardLocationsData,
   DashboardDevicesData,
   DashboardReferrersData,
-  DashboardPerformanceData,
   DashboardGoalsData,
   BehaviorData,
 } from '@/lib/api/stats'
@@ -62,7 +60,6 @@ const fetchers = {
   dashboardLocations: (siteId: string, start: string, end: string, filters?: string) => getDashboardLocations(siteId, start, end, undefined, undefined, filters),
   dashboardDevices: (siteId: string, start: string, end: string, filters?: string) => getDashboardDevices(siteId, start, end, undefined, filters),
   dashboardReferrers: (siteId: string, start: string, end: string, filters?: string) => getDashboardReferrers(siteId, start, end, undefined, filters),
-  dashboardPerformance: (siteId: string, start: string, end: string, filters?: string) => getDashboardPerformance(siteId, start, end, filters),
   dashboardGoals: (siteId: string, start: string, end: string, filters?: string) => getDashboardGoals(siteId, start, end, undefined, filters),
   stats: (siteId: string, start: string, end: string, filters?: string) => getStats(siteId, start, end, filters),
   dailyStats: (siteId: string, start: string, end: string, interval: 'hour' | 'day' | 'minute') =>
@@ -260,19 +257,6 @@ export function useDashboardReferrers(siteId: string, start: string, end: string
   )
 }
 
-// * Hook for focused dashboard performance data
-export function useDashboardPerformance(siteId: string, start: string, end: string, filters?: string) {
-  return useSWR<DashboardPerformanceData>(
-    siteId && start && end ? ['dashboardPerformance', siteId, start, end, filters] : null,
-    () => fetchers.dashboardPerformance(siteId, start, end, filters),
-    {
-      ...dashboardSWRConfig,
-      refreshInterval: 60 * 1000,
-      dedupingInterval: 10 * 1000,
-    }
-  )
-}
-
 // * Hook for focused dashboard goals data
 export function useDashboardGoals(siteId: string, start: string, end: string, filters?: string) {
   return useSWR<DashboardGoalsData>(

lib/utils/privacySnippet.ts

@@ -21,7 +21,6 @@ export function generatePrivacySnippet(site: Site): string {
   const device = site.collect_device_info ?? true
   const geo = site.collect_geo_data || 'full'
   const screen = site.collect_screen_resolution ?? true
-  const perf = site.enable_performance_insights ?? false
   const filterBots = site.filter_bots ?? true
   const retentionMonths = site.data_retention_months ?? 6
 
@@ -32,7 +31,6 @@ export function generatePrivacySnippet(site: Site): string {
   if (geo === 'full') parts.push('country, region, and city')
   else if (geo === 'country') parts.push('country')
   if (screen) parts.push('screen resolution')
-  if (perf) parts.push('Core Web Vitals (e.g. page load performance)')
 
   const list =
     parts.length > 0