adds round telemetry support

src/lib/server/db/schema.sql

@@ -242,3 +242,9 @@ CREATE TABLE IF NOT EXISTS settings (
     key   TEXT PRIMARY KEY,
     value TEXT NOT NULL
 );
+CREATE TABLE IF NOT EXISTS server_telemetry (
+    server TEXT PRIMARY KEY REFERENCES servers(name) ON DELETE CASCADE,
+    round INTEGER NOT NULL,
+    players INTEGER NOT NULL,
+    received_at TEXT NOT NULL
+);

src/lib/server/fleet/telemetry.ts

@@ -0,0 +1,15 @@
+import { db } from '../db/index.js';
+import type { RoundTelemetry } from '../../telemetry.js';
+
+export function listTelemetry(): RoundTelemetry[] {
+    return db().prepare(`SELECT t.server, t.round, t.players, t.received_at AS receivedAt
+        FROM server_telemetry t JOIN servers s ON s.name = t.server
+        WHERE s.destroyed_at IS NULL`).all() as RoundTelemetry[];
+}
+
+export function saveTelemetry(report: RoundTelemetry): void {
+    db().prepare(`INSERT INTO server_telemetry (server, round, players, received_at)
+        VALUES (?, ?, ?, ?) ON CONFLICT(server) DO UPDATE SET
+        round = excluded.round, players = excluded.players, received_at = excluded.received_at`)
+        .run(report.server, report.round, report.players, report.receivedAt);
+}

src/lib/server/pipeline/bus.ts

@@ -1,4 +1,5 @@
 import { EventEmitter } from 'node:events';
+import type { RoundTelemetry } from '../../telemetry.js';
 import type { RconEndpoint, RconFailure, RconPlayer } from '../integrations/rcon.js';
 import type { Health } from '../fleet/health.js';
 
@@ -36,6 +37,7 @@ export type BetaStage =
 export type BetaState = 'running' | 'ready-promote' | 'promoted' | 'rolled-back';
 
 export type PipelineEvent =
+    | { type: 'server-telemetry'; entries: RoundTelemetry[] }
     | { type: 'deployment-opened'; deploymentId: string; action: string; servers: string[] }
     | { type: 'server-changed'; deploymentId: string; server: string; files: number }
     | {