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.
Automatic migration from the old todo system (v1) to the new task system (v2) when upgrading. Existing todos are preserved and converted to the new format.
Evidence
fG0() at line 284033 (contains "[Todo Migration] Migrating" and "Successfully migrated")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.