Comments

Canvas comment panel with numbered pin markers and a linked side rail of notes.

Comment inbox with All, Unresolved, and Mentions tabs plus per-row resolve actions.

Comment composer with mention autocomplete, attachment chips, and a formatting bar.

Code review thread pairing a diff panel with review notes and a suggested change.

Inline document annotation with clickable highlighted ranges and a comments rail.

Threaded discussion with nested replies, reactions, sort control, and a composer.