feat: ATM10-Statistikportal

Statistikportal für den All-the-Mods-10-Server (Minecraft 1.21.1, NeoForge 21.1):

- mod/: serverseitige NeoForge-Mod atmstats – Ereignisse, Live-Zähler, Servergesundheit,
  FTB-Dateien; Outbox auf der Festplatte, signierter gzip-Versand per HTTPS mit Backoff
- backend/: Fastify + PostgreSQL – idempotenter Ingest, Projektionen, Parser für SNBT,
  FTB Quests/Teams, world/stats, world/advancements und latest.log; Ranglisten, Snapshots,
  Retention, öffentliche API, SSE-Live-Updates, Admin mit argon2/CSRF, SFTP-Worker
- web/: Next.js-Dashboard – Übersicht, Ranglisten, Spielerprofile, ATM10, Server,
  Datenquellen, Verwaltung
- shared/: Protokoll v1 und API-Typen; tools/: Simulator, Log-Anonymisierer, RCON-Client
- deploy/: Docker Compose hinter Traefik, Backup; docs/: Architektur, Datenquellen, Betrieb

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

backend/test/snbt.test.ts

@@ -0,0 +1,54 @@
+import { describe, expect, it } from 'vitest';
+import { parseSnbt, SnbtError } from '../src/parsers/snbt.ts';
+
+describe('parseSnbt', () => {
+  it('parses newline-separated compound', () => {
+    expect(parseSnbt('{\n\tversion: 1\n\tlock: false\n\tname: "CDOGamer#308a693c"\n}')).toEqual({
+      version: 1,
+      lock: false,
+      name: 'CDOGamer#308a693c',
+    });
+  });
+
+  it('parses comma-separated compound', () => {
+    expect(parseSnbt('{a: 1, b: "x", c: {d: 2b}}')).toEqual({ a: 1, b: 'x', c: { d: 2 } });
+  });
+
+  it('parses suffixes 1L 2b 1.5f 0.0d -3s', () => {
+    expect(parseSnbt('[1L, 2b, 1.5f, 0.0d, -3s, 1791559740996L]')).toEqual([1, 2, 1.5, 0, -3, 1791559740996]);
+  });
+
+  it('parses keys that start with digits and quoted keys with colons', () => {
+    expect(
+      parseSnbt('{ 0000000000000001: 5L\n 308a693c2bd84d6b: { x: 1 }\n "a:B": 2L\n quest.ABC.title: "t" }'),
+    ).toEqual({ '0000000000000001': 5, '308a693c2bd84d6b': { x: 1 }, 'a:B': 2, 'quest.ABC.title': 't' });
+  });
+
+  it('parses typed arrays and empty containers', () => {
+    expect(parseSnbt('{a: [I; 1, 2], b: [L; 3L], c: [B; 1b], d: [], e: { }}')).toEqual({
+      a: [1, 2],
+      b: [3],
+      c: [1],
+      d: [],
+      e: {},
+    });
+  });
+
+  it('parses string escapes and single quotes', () => {
+    expect(parseSnbt(`["a\\"b", 'c\\'d', "\\\\"]`)).toEqual(['a"b', "c'd", '\\']);
+  });
+
+  it('keeps unquoted non-numeric words as strings', () => {
+    expect(parseSnbt('{type: item, id: 3BC0A50886A3222B}')).toEqual({ type: 'item', id: '3BC0A50886A3222B' });
+  });
+
+  it('reports line on error', () => {
+    try {
+      parseSnbt('{\n a: 1\n b: {\n}');
+      expect.unreachable();
+    } catch (e) {
+      expect(e).toBeInstanceOf(SnbtError);
+      expect((e as SnbtError).line).toBe(4);
+    }
+  });
+});