A system line (a label change, a retarget, a queued merge) reaches --json as a comment with author "system", which a real account can also be named. issue react and mr react refuse it, so a client offering reactions offers them on lines that cannot take one. Emit kind: "system" on those lines.
closed by cmc in commit af0982ad6e: show: mark system comments with kind in --json
2026-10-14 05:24 UTC