Add persistent player leaderboards from game telemetry

src/lib/server/db/index.ts

@@ -5,6 +5,7 @@ import { config } from '../config.js';
 import schemaSql from './schema.sql?raw';
 import { requirement, type BetaPlan, type BetaRequirement } from '../../beta-plan.js';
 import { emptyMetrics } from '../fleet/beta-evaluation.js';
+import { backfillLeaderboard } from '../fleet/leaderboard-ingest.js';
 
 let _db: Database.Database | null = null;
 
@@ -259,6 +260,7 @@ export function db(): Database.Database {
         backfillMultiScriptJoins(handle);
         assertSnapshotSchemeSafe(handle);
         migrateGameTelemetry(handle);
+        backfillLeaderboard(handle);
     } catch (err) {
         handle.close();
         throw err;

src/lib/server/db/schema.sql

@@ -6,6 +6,56 @@
 PRAGMA journal_mode = WAL;
 PRAGMA foreign_keys = ON;
 
+-- Historical gameplay deliberately has no FK to servers: destroying a server
+-- must not erase records. Each player's counters are high-water marks per match.
+CREATE TABLE IF NOT EXISTS leaderboard_matches (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    server TEXT NOT NULL,
+    game TEXT NOT NULL,
+    map TEXT NOT NULL,
+    map_key TEXT NOT NULL,
+    map_name TEXT NOT NULL,
+    started_at TEXT NOT NULL,
+    ended_at TEXT,
+    last_received_at TEXT NOT NULL,
+    status TEXT NOT NULL DEFAULT 'active', -- active | completed | interrupted
+    start_observed INTEGER NOT NULL DEFAULT 0,
+    highest_round INTEGER NOT NULL DEFAULT 0,
+    last_event TEXT NOT NULL,
+    last_fingerprint TEXT NOT NULL
+);
+CREATE INDEX IF NOT EXISTS idx_leaderboard_server ON leaderboard_matches(server, id DESC);
+CREATE INDEX IF NOT EXISTS idx_leaderboard_map ON leaderboard_matches(game, map_key);
+
+CREATE TABLE IF NOT EXISTS leaderboard_players (
+    game TEXT NOT NULL,
+    guid TEXT NOT NULL,
+    name TEXT NOT NULL,
+    first_seen_at TEXT NOT NULL,
+    last_seen_at TEXT NOT NULL,
+    PRIMARY KEY (game, guid)
+);
+
+CREATE TABLE IF NOT EXISTS leaderboard_match_players (
+    match_id INTEGER NOT NULL REFERENCES leaderboard_matches(id) ON DELETE CASCADE,
+    guid TEXT NOT NULL,
+    highest_round INTEGER NOT NULL DEFAULT 0,
+    rounds_survived INTEGER NOT NULL DEFAULT 0,
+    kills INTEGER NOT NULL DEFAULT 0,
+    headshots INTEGER NOT NULL DEFAULT 0,
+    downs INTEGER NOT NULL DEFAULT 0,
+    revives INTEGER NOT NULL DEFAULT 0,
+    best_score INTEGER NOT NULL DEFAULT 0,
+    last_round INTEGER NOT NULL DEFAULT 0,
+    present INTEGER NOT NULL DEFAULT 1,
+    has_stats INTEGER NOT NULL DEFAULT 0,
+    completed INTEGER NOT NULL DEFAULT 0,
+    first_seen_at TEXT NOT NULL,
+    last_seen_at TEXT NOT NULL,
+    PRIMARY KEY (match_id, guid)
+);
+CREATE INDEX IF NOT EXISTS idx_leaderboard_player_matches ON leaderboard_match_players(guid, match_id);
+
 CREATE TABLE IF NOT EXISTS servers (
     name             TEXT PRIMARY KEY,
     komodo_type      TEXT NOT NULL DEFAULT 'deployment',  -- deployment|stack|container