feat(settings): Phase 2 — all 15 tabs implemented

Site tabs:
- Visibility (public toggle, share link, password protection)
- Privacy (data collection toggles, geo level, retention info)
- Bot & Spam (filtering toggle, stats cards)
- Reports (scheduled reports + alert channels list with test/pause/delete)
- Integrations (GSC + BunnyCDN connect/disconnect cards)

Workspace tabs:
- Members (member list, invite form with role selector)
- Notifications (dynamic toggles from API categories)
- Audit Log (action log with timestamps)

Account tabs:
- Security (wraps existing ProfileSettings security tab)
- Devices (wraps existing TrustedDevicesCard + SecurityActivityCard)

No more "Coming soon" placeholders. All tabs are functional.

components/settings/unified/tabs/SitePrivacyTab.tsx

@@ -0,0 +1,111 @@
+'use client'
+
+import { useState, useEffect } from 'react'
+import { Button, Select, Toggle, toast, Spinner } from '@ciphera-net/ui'
+import { useSite } from '@/lib/swr/dashboard'
+import { updateSite } from '@/lib/api/sites'
+
+const GEO_OPTIONS = [
+  { value: 'full', label: 'Full (country, region, city)' },
+  { value: 'country', label: 'Country only' },
+  { value: 'none', label: 'Disabled' },
+]
+
+export default function SitePrivacyTab({ siteId }: { siteId: string }) {
+  const { data: site, mutate } = useSite(siteId)
+  const [collectPagePaths, setCollectPagePaths] = useState(true)
+  const [collectReferrers, setCollectReferrers] = useState(true)
+  const [collectDeviceInfo, setCollectDeviceInfo] = useState(true)
+  const [collectScreenRes, setCollectScreenRes] = useState(true)
+  const [collectGeoData, setCollectGeoData] = useState('full')
+  const [hideUnknownLocations, setHideUnknownLocations] = useState(false)
+  const [dataRetention, setDataRetention] = useState(6)
+  const [saving, setSaving] = useState(false)
+
+  useEffect(() => {
+    if (site) {
+      setCollectPagePaths(site.collect_page_paths ?? true)
+      setCollectReferrers(site.collect_referrers ?? true)
+      setCollectDeviceInfo(site.collect_device_info ?? true)
+      setCollectScreenRes(site.collect_screen_resolution ?? true)
+      setCollectGeoData(site.collect_geo_data ?? 'full')
+      setHideUnknownLocations(site.hide_unknown_locations ?? false)
+      setDataRetention(site.data_retention_months ?? 6)
+    }
+  }, [site])
+
+  const handleSave = async () => {
+    setSaving(true)
+    try {
+      await updateSite(siteId, {
+        name: site?.name || '',
+        collect_page_paths: collectPagePaths,
+        collect_referrers: collectReferrers,
+        collect_device_info: collectDeviceInfo,
+        collect_screen_resolution: collectScreenRes,
+        collect_geo_data: collectGeoData as 'full' | 'country' | 'none',
+        hide_unknown_locations: hideUnknownLocations,
+      })
+      await mutate()
+      toast.success('Privacy settings updated')
+    } catch {
+      toast.error('Failed to save')
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  if (!site) return <div className="flex items-center justify-center py-12"><Spinner className="w-6 h-6 text-neutral-500" /></div>
+
+  return (
+    <div className="space-y-6">
+      <div>
+        <h3 className="text-base font-semibold text-white mb-1">Data & Privacy</h3>
+        <p className="text-sm text-neutral-400">Control what data is collected from your visitors.</p>
+      </div>
+
+      <div className="space-y-1">
+        {[
+          { label: 'Page paths', desc: 'Track which pages visitors view.', checked: collectPagePaths, onChange: setCollectPagePaths },
+          { label: 'Referrers', desc: 'Track where visitors come from.', checked: collectReferrers, onChange: setCollectReferrers },
+          { label: 'Device info', desc: 'Track browser, OS, and device type.', checked: collectDeviceInfo, onChange: setCollectDeviceInfo },
+          { label: 'Screen resolution', desc: 'Track visitor screen dimensions.', checked: collectScreenRes, onChange: setCollectScreenRes },
+          { label: 'Hide unknown locations', desc: 'Exclude "Unknown" from location stats.', checked: hideUnknownLocations, onChange: setHideUnknownLocations },
+        ].map(item => (
+          <div key={item.label} className="flex items-center justify-between py-3 px-4 rounded-xl hover:bg-neutral-800/20 transition-colors">
+            <div>
+              <p className="text-sm font-medium text-white">{item.label}</p>
+              <p className="text-xs text-neutral-400">{item.desc}</p>
+            </div>
+            <Toggle checked={item.checked} onChange={() => item.onChange((p: boolean) => !p)} />
+          </div>
+        ))}
+      </div>
+
+      <div>
+        <label className="block text-sm font-medium text-neutral-300 mb-1.5">Geographic data</label>
+        <Select
+          value={collectGeoData}
+          onChange={setCollectGeoData}
+          variant="input"
+          options={GEO_OPTIONS}
+        />
+        <p className="text-xs text-neutral-500 mt-1">Controls location granularity. "Disabled" collects no geographic data at all.</p>
+      </div>
+
+      <div>
+        <label className="block text-sm font-medium text-neutral-300 mb-1.5">Data retention</label>
+        <p className="text-sm text-neutral-400">
+          Currently retaining data for <span className="font-medium text-white">{dataRetention} months</span>.
+          Manage retention in the full <a href={`/sites/${siteId}/settings`} className="text-brand-orange hover:underline">site settings</a>.
+        </p>
+      </div>
+
+      <div className="flex justify-end pt-2">
+        <Button onClick={handleSave} variant="primary" disabled={saving}>
+          {saving ? 'Saving...' : 'Save Changes'}
+        </Button>
+      </div>
+    </div>
+  )
+}