Show configured metrics retention (Refs #141)

src/lib/server/fleet/metrics.ts

@@ -507,6 +507,7 @@ export function readMetrics(input: MetricsDays | MetricsQuery, now = Date.now())
     };
     return {
         days,
+        metricsKeepDays: fleetSettings().metricsKeepDays,
         since,
         now,
         ...metadata,

src/lib/server/reports/worker.ts

@@ -1,5 +1,6 @@
 import { parentPort } from 'node:worker_threads';
 import { db } from '../db/index.js';
+import { fleetSettings } from '../settings.js';
 import { readMetrics } from '../fleet/metrics.js';
 import { getLeaderboard, getPlayerLeaderboardEntry } from '../fleet/leaderboard.js';
 import { getPlayerProfile } from '../fleet/player-profile.js';
@@ -28,6 +29,8 @@ parentPort!.on('message', ({ id, kind, input }) => {
             const key = JSON.stringify([
                 kind,
                 revision,
+                // Retention edits must be visible even without new occupancy samples.
+                kind === 'metrics' ? fleetSettings().metricsKeepDays : null,
                 timed ? Math.floor(now / 30_000) : 0,
                 timed ? input.query : input
             ]);