feat(web): list only the spots to check, in order and capped (ADR-035)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/web/uploads.go

@@ -283,9 +283,9 @@ func (a *App) uploadChatView(u domain.UploadedTranscript, model string, history
 	}
 }
 
-// maxSpotsShown is how many contested spots the page lists. The stored list holds up to
-// 200 and the counts are exact; a page of two hundred "check this" items is not a page
-// anyone reads, so the rest are counted, not listed.
+// maxSpotsShown is how many spots to check the page lists. The stored list holds every
+// judged spot and the counts are exact; a page of two hundred "check this" items is not a
+// page anyone reads, so the rest are counted, not listed.
 const maxSpotsShown = 50
 
 // minuteMark renders where in the recording a spot is, as the nearest minute.
@@ -293,12 +293,20 @@ func minuteMark(seconds float64) string {
 	return fmt.Sprintf("~%d min", int(math.Round(seconds/60)))
 }
 
-// shownSpots is the part of the contested list the page renders.
+// shownSpots is the part of the stored list the page renders: the spots a reader should
+// check, changed or uncertain, in order, capped. A spot the model confidently kept is
+// stored (ADR-035) but is not one to check, so it is not listed.
 func shownSpots(r *domain.Reconciliation) []domain.ContestedSpot {
-	if len(r.Contested) > maxSpotsShown {
-		return r.Contested[:maxSpotsShown]
+	var out []domain.ContestedSpot
+	for _, c := range r.Contested {
+		if c.Used == "alt" || c.Unsure {
+			out = append(out, c)
+			if len(out) == maxSpotsShown {
+				break
 			}
-	return r.Contested
+		}
+	}
+	return out
 }
 
 // moreSpots is how many spots to check are not listed, from the exact counts.