DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
Session teleportation (resume from web) now tracks whether the first message after resuming succeeds or fails, helping diagnose issues with session transfers.
Evidence
obA() at line 2424 (sets teleportedSessionInfo.isTeleported and hasLoggedFirstMessage), with events tengu_teleport_first_message_success and tengu_teleport_first_message_error
Strings lifted out of the shipped bundle, so the claim above can be checked against them.