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ComfyUI_frontend/packages/shared-frontend-utils
nav-tej e4d481f893 fix(telemetry): harden PostHog init — person_profiles, cookie_domain, before_send (#12479)
## Summary

Hardens PostHog initialization in the cloud app and website with three
missing config options identified during PostHog QA audit.

## Changes

- **What**: Adds `person_profiles: 'identified_only'`, `cookie_domain:
'.comfy.org'`, and `before_send` PII redaction hook to both PostHog init
calls
- **person_profiles**: Prevents anonymous Person records being created
in PostHog for pre-auth visitors — only creates Person after
`identify()` is called (matches website config which already had this)
- **cookie_domain**: Enables cross-subdomain session stitching across
`app.comfy.org`, `docs.comfy.org`, `www.comfy.org` — without this, each
subdomain creates a separate PostHog session
- **before_send**: Last-line PII guard — strips `email`, `prompt`,
`user_email`, `$email` from event properties before transmission. Placed
after `...serverConfig` spread so it cannot be overridden by remote
config.

## Review Focus

- `before_send` runs before GeoIP enrichment — deliberately does NOT
drop `$ip` since country-code targeting needs it for the pricing
experiment
- `person_profiles: 'identified_only'` + anonymous flag evaluation:
PostHog confirmed this still allows flag eval via `$anon_distinct_id`;
stitched retroactively on `identify()`
- `serverConfig` spread is before the three new fields — these take
precedence over any remote config values (intentional for
security/correctness)

Closes MAR-233, MAR-235, MAR-236

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: Miles <miles@comfy.org>
Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: nav <nav@mac.lan>
Co-authored-by: Miles Ryan <thedatalife@users.noreply.github.com>
2026-06-01 20:53:00 +00:00
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