fix(web): redact invite analytics URLs

apps/web/app/PostHogPageView.test.ts

@@ -0,0 +1,24 @@
+import { readFile } from 'node:fs/promises'
+import { describe, expect, it } from 'vitest'
+
+const pageViewPath = new URL('./PostHogPageView.tsx', import.meta.url)
+const providerPath = new URL('./providers.tsx', import.meta.url)
+
+describe('PostHog invite privacy boundary', () => {
+  it('does not send a global page view for invite routes', async () => {
+    const source = await readFile(pageViewPath, 'utf8')
+
+    expect(source).toContain("pathname?.startsWith('/join/')")
+    expect(source.indexOf("pathname?.startsWith('/join/')")).toBeLessThan(source.indexOf("posthog.capture('$pageview'"))
+  })
+
+  it('disables automatic page-leave capture and redacts join URLs', async () => {
+    const source = await readFile(providerPath, 'utf8')
+
+    expect(source).toContain('capture_pageview: false')
+    expect(source).toContain('capture_pageleave: false')
+    expect(source).toContain('get_current_url: redactInviteUrl')
+    expect(source).toContain("url.pathname.startsWith('/join/')")
+    expect(source).toContain('/join/[invite]')
+  })
+})