History: AI-driven alternate-history simulator

Pax Historia-style sim where the LLM is the world engine.

- React 19 + Vite 6 + Tailwind v4 + shadcn/ui frontend
- Express single-port backend (/api + /sse + built client + SPA fallback)
- SQLite (better-sqlite3) persistence, one row per game
- MapLibre choropleth map (OpenFreeMap dark + ISO_A3 regions)
- Defensive turn loop: strip fences, balanced-{} extract, parse, clamp 0-100,
  retry-once nudge, generic 'unclear' fallback; never crashes on bad output
- 5 seed presets (wwii-1939, coldwar-1955, modern-2025, no-wwii-1940, aegis-2400)
- LLM client over native fetch w/ injectable transport (mesh-bot pattern);
  LLM_STUB=1 deterministic transport for tests/e2e
- Unit (vitest, 19) + deterministic Playwright e2e
- Multi-stage node:22-slim Docker + Traefik (history.dev.kkhost.pl:4321)

Co-Authored-By: OpenCode <opencode@users.noreply.github.com>

vitest.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from 'vitest/config';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const here = fileURLToPath(new URL('.', import.meta.url));
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      '@shared': path.resolve(here, 'shared'),
+      '@': path.resolve(here, 'src'),
+    },
+  },
+  test: {
+    environment: 'node',
+    include: ['server/**/*.test.ts'],
+    testTimeout: 20000,
+    hookTimeout: 20000,
+  },
+});