Add Week 3 polish and late-game features

VC funding system (seed through IPO with requirements gating), 15
achievements with engine checker, model tuning presets and unlockable
sliders, overload policy controls, open-source mechanic with reputation
boost, enhanced Recharts analytics (subscriber/reputation/revenue vs
expenses charts), M&A acquisition system, sidebar NEW badges on era
transitions, tutorial hints, and wired-up settings toggles.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/web/src/hooks/useGameLoop.ts

@@ -1,5 +1,5 @@
 import { useEffect, useRef } from 'react';
-import { GameEngine, setEventDefinitions, EVENT_DEFINITIONS } from '@ai-tycoon/game-engine';
+import { GameEngine, setEventDefinitions, setAchievementDefinitions, EVENT_DEFINITIONS, ACHIEVEMENT_DEFINITIONS } from '@ai-tycoon/game-engine';
 import type { TickNotification } from '@ai-tycoon/game-engine';
 import { useGameStore } from '@/store';
 
@@ -12,6 +12,7 @@ export function useGameLoop(skip = false) {
     if (!companyName || skip) return;
 
     setEventDefinitions(EVENT_DEFINITIONS);
+    setAchievementDefinitions(ACHIEVEMENT_DEFINITIONS);
 
     const engine = new GameEngine({
       getState: () => {