Add persistent match history to server pages

src/lib/server/db/index.ts

@@ -260,6 +260,7 @@ export function db(): Database.Database {
         backfillMultiScriptJoins(handle);
         assertSnapshotSchemeSafe(handle);
         migrateGameTelemetry(handle);
+        migrateTable(handle, 'leaderboard_matches', [{ name: 'start_players', ddl: 'ALTER TABLE leaderboard_matches ADD COLUMN start_players INTEGER' }]);
         backfillLeaderboard(handle);
     } catch (err) {
         handle.close();

src/lib/server/db/schema.sql

@@ -20,6 +20,7 @@ CREATE TABLE IF NOT EXISTS leaderboard_matches (
     last_received_at TEXT NOT NULL,
     status TEXT NOT NULL DEFAULT 'active', -- active | completed | interrupted
     start_observed INTEGER NOT NULL DEFAULT 0,
+    start_players INTEGER,
     highest_round INTEGER NOT NULL DEFAULT 0,
     last_event TEXT NOT NULL,
     last_fingerprint TEXT NOT NULL

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

@@ -77,6 +77,11 @@ export function recordLeaderboardTelemetry(handle: Database.Database, report: Ga
     }
     if (!match) return;
 
+    if (isStart) {
+        handle.prepare('UPDATE leaderboard_matches SET start_players = COALESCE(start_players, ?) WHERE id = ?')
+            .run(report.players.length, match.id);
+    }
+
     const previous = new Map((handle.prepare('SELECT guid, last_round, present FROM leaderboard_match_players WHERE match_id = ?')
         .all(match.id) as Participation[]).map(player => [player.guid, player]));
     handle.prepare('UPDATE leaderboard_match_players SET present = 0 WHERE match_id = ?').run(match.id);

src/lib/server/fleet/match-history.ts

@@ -0,0 +1,19 @@
+import { db } from '../db/index.js';
+import type { ServerMatch } from '../../match-history.js';
+
+export function serverMatchHistory(server: string, limit = 25): { matches: ServerMatch[]; total: number } {
+    const handle = db();
+    const total = (handle.prepare('SELECT COUNT(*) AS total FROM leaderboard_matches WHERE server = ?').get(server) as { total: number }).total;
+    const matches = handle.prepare(`SELECT m.id, m.map_name AS map, m.started_at AS startedAt, m.status,
+        m.start_players AS startPlayers,
+        (SELECT COUNT(*) FROM leaderboard_match_players p WHERE p.match_id = m.id) AS uniquePlayers,
+        CASE WHEN m.status = 'completed' THEN
+            (SELECT COUNT(*) FROM leaderboard_match_players p WHERE p.match_id = m.id AND p.present = 1)
+        END AS endPlayers,
+        CASE WHEN m.status = 'completed' AND m.start_observed = 1 THEN
+            MAX(0, ROUND((julianday(m.ended_at) - julianday(m.started_at)) * 86400000)) END AS durationMs,
+        CASE WHEN m.status = 'completed' THEN m.highest_round END AS finalRound
+        FROM leaderboard_matches m WHERE m.server = ? ORDER BY m.id DESC LIMIT ?`)
+        .all(server, limit) as ServerMatch[];
+    return { matches, total };
+}