Tighten race result ingestion ordering

internal/models/sort.go

@@ -0,0 +1,20 @@
+package models
+
+import "sort"
+
+// SortSessionResults orders results by classified position, with position 0 (DNF/DNS) last.
+func SortSessionResults(results []SessionResult) {
+	sort.Slice(results, func(i, j int) bool {
+		pi, pj := results[i].Position, results[j].Position
+		if pi == 0 {
+			pi = 9999
+		}
+		if pj == 0 {
+			pj = 9999
+		}
+		if pi != pj {
+			return pi < pj
+		}
+		return results[i].DriverNumber < results[j].DriverNumber
+	})
+}