Cookies.

Last updated 2026-05-19. We’ll log changes in public when this is updated.

What we set

• session — your signed-in session. HttpOnly, Secure, SameSite=Lax. Cleared on sign-out.
• tcs.theme — light/dark preference. localStorage only.
• tcs.hot.favs, tcs.hot.proBanner.dismissed, tcs.calib.range, tcs.calib.cat — anonymous customization state. localStorage only.

What we don’t set

No analytics, no advertising, no cross-site tracking. If we add anonymized usage analytics in the future, we’ll log it here and in the corrections section on /methodology.