Fix keyed telemetry match attribution (Refs #144)

src/lib/server/fleet/telemetry.ts

@@ -15,6 +15,14 @@ export function listTelemetry(): GameTelemetry[] {
 }
 
 export function saveTelemetry(report: GameTelemetry): GameTelemetry {
+    return saveTelemetryWithOutcome(report).telemetry;
+}
+
+/** Acknowledgements retain their match id even when the live snapshot must stay put. */
+export function saveTelemetryWithOutcome(report: GameTelemetry): {
+    telemetry: GameTelemetry;
+    current: boolean;
+} {
     // Keep callers outside the HTTP route atomic too.
     const handle = db();
     return handle.transaction(() => {
@@ -24,12 +32,16 @@ export function saveTelemetry(report: GameTelemetry): GameTelemetry {
         const previous: GameTelemetry | undefined = row?.payload
             ? JSON.parse(row.payload)
             : undefined;
-        recordLeaderboardTelemetry(handle, report);
+        const recorded = recordLeaderboardTelemetry(handle, report);
+        if (!recorded.current) {
+            return {
+                telemetry: { ...report, timing: { matchId: recorded.matchId, players: {} } },
+                current: false
+            };
+        }
         const match = handle
-            .prepare(
-                'SELECT id, started_at, start_observed FROM leaderboard_matches WHERE server = ? ORDER BY id DESC LIMIT 1'
-            )
-            .get(report.server) as { id: number; started_at: string; start_observed: number };
+            .prepare('SELECT id, started_at, start_observed FROM leaderboard_matches WHERE id = ?')
+            .get(recorded.matchId) as { id: number; started_at: string; start_observed: number };
         const sameMatch = previous?.timing?.matchId === match.id;
         const serverTiming = handle
             .prepare(
@@ -128,6 +140,6 @@ export function saveTelemetry(report: GameTelemetry): GameTelemetry {
                     )
                     .run(report.receivedAt, report.server, report.receivedAt);
         }
-        return report;
+        return { telemetry: report, current: true };
     })();
 }