Rate limited 429

A 500 that owns the failure, protects the draft, and hands out an error ID.

A capacity pause page with the reason, reopen date, and a hold my place form.

A post signup page that schedules the next five minutes with honest times.

An unsubscribe confirmation with an icon badge, a preference card of remaining lists with per-list checkboxes and cadences, and an undo action.

A post-signup check your inbox page with an icon badge, three-step progress row, the sent-to address, and resend or fix-typo actions.

Responsive branded 404 page with playful wind artwork, concise recovery copy, primary navigation, and a direct route back to the workspace.

A centered 403 page with a signed-in identity card, the admin who can grant access, a request action, and account switch controls.

A prelaunch page with the launch date at display size and a two email promise.

A verification landing that names what the click unlocked before one button back.

An expired sign-in link page with a three-column lifecycle timeline, a security framed explanation, and a one field form for a fresh link.

A planned window notice with the untouched list and a live status link.

A 404 with a search pill and chips for the pages people were actually hunting.