Store cumulative player scores alongside balances

src/lib/server/fleet/leaderboard-ingest.ts

@@ -71,7 +71,21 @@ export function recordLeaderboardTelemetry(
     report: GameTelemetry
 ): { matchId: number; current: boolean } {
     if (report.match !== undefined) return recordKeyedTelemetry(handle, report);
-    return { matchId: recordLegacyTelemetry(handle, report), current: true };
+    const matchId = recordLegacyTelemetry(handle, report);
+    saveScoreTotals(handle, report, matchId);
+    return { matchId, current: true };
+}
+
+// Separate from applyReport so the historical version-0 backfill still works
+// before the score_total migration. Missing totals never erase known values.
+function saveScoreTotals(handle: Database.Database, report: GameTelemetry, matchId: number): void {
+    if (report.event === 'game_start') return;
+    const players = report.players.filter((player) => player.score_total !== undefined);
+    if (!players.length) return;
+    const save = handle.prepare(`UPDATE leaderboard_match_players
+        SET score_total = MAX(COALESCE(score_total, 0), ?)
+        WHERE match_id = ? AND guid = ?`);
+    for (const player of players) save.run(player.score_total, matchId, player.guid);
 }
 
 // Also used by the version-0 snapshot backfill, before keyed schema exists.
@@ -325,6 +339,7 @@ function recordKeyedTelemetry(
             .get(report.server) as { id: number } | undefined;
         result.current = latest?.id === match.id && match.server_deleted_at === null;
     }
+    if (applied) saveScoreTotals(handle, report, match.id);
     if (applied && report.seq !== undefined) {
         handle
             .prepare(