Preserve metric forecast units and overnight alerts

2026-08-13 00:45:08 +00:00
parent 8fafacf921
commit 8e49ba88c7
5 changed files with 230 additions and 45 deletions
--- a/docs/internal/facts.md
+++ b/docs/internal/facts.md
@@ -37,6 +37,8 @@ Report identity controls the summary shape:
 `DaypartSummaries` is collected from the resulting daily summaries.
 The detailed grouping, daypart-window, and alert rules are owned by
 [forecast derivation](forecast-derivation.md).
+Daily alert overlaps remain scoped to the civil day, while overnight daypart
+summaries retain alerts that overlap their complete next-day window.

 ## Missing data and failures