Visible lists are not always complete
A visible list may be partial. An empty page, missing cursor, and a genuinely empty list are not interchangeable outcomes.
Missing versus confirmed non-follower
Relationship evidence has a source, observation time, and completeness flag. Expired or incomplete evidence cannot authorize an automatic unfollow.
How previews show uncertainty
The safest result for a target without adequate evidence is Unknown, not a guess. A protected list applies even when the rest of a target’s data is complete.
What to do before unfollowing
A visible list may be partial. An empty page, missing cursor, and a genuinely empty list are not interchangeable outcomes.
Official sources & scopeChrome: storage and cookies — Local extension storage and service workersChrome: extension service worker lifecycle — Worker termination and persistent state
These sources explain platform behavior. Product-specific scope and limits come from our implementation registry; they are not an endorsement by Instagram, Google, or Stripe.