Group discovered runs by (date, articleType) so callers can decide whether a collision-suffix is needed when writing articles.
(date, articleType)
Thin re-export of _groupRunsForCollision from aggregator/runs/index.js.
aggregator/runs/index.js
Discovered runs
Map from "<date>|<articleType>" to the runs in that group
"<date>|<articleType>"
Group discovered runs by
(date, articleType)so callers can decide whether a collision-suffix is needed when writing articles.Thin re-export of _groupRunsForCollision from
aggregator/runs/index.js.