Rename AI Tycoon to Token Empire across entire codebase

Full rebrand: UI display text, package scope (@ai-tycoon/* -> @token-empire/*),
localStorage keys, Docker/CI image paths, database names, and documentation.

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

apps/web/src/hooks/useCloudSave.ts

@@ -1,7 +1,7 @@
 import { useEffect, useRef } from 'react';
 import { useGameStore } from '@/store';
 import { api, getAuthToken, setAuthToken, clearAuthToken, decodeTokenPayload } from '@/lib/api';
-import { AUTO_SAVE_INTERVAL_TICKS } from '@ai-tycoon/shared';
+import { AUTO_SAVE_INTERVAL_TICKS } from '@token-empire/shared';
 
 export function useCloudSave() {
   const tickCount = useGameStore((s) => s.meta.tickCount);

apps/web/src/hooks/useGameLoop.ts

@@ -1,6 +1,6 @@
 import { useEffect, useRef } from 'react';
-import { GameEngine, setAchievementDefinitions, ACHIEVEMENT_DEFINITIONS } from '@ai-tycoon/game-engine';
-import type { TickNotification } from '@ai-tycoon/game-engine';
+import { GameEngine, setAchievementDefinitions, ACHIEVEMENT_DEFINITIONS } from '@token-empire/game-engine';
+import type { TickNotification } from '@token-empire/game-engine';
 import { useGameStore } from '@/store';
 
 export function useGameLoop(skip = false) {

apps/web/src/hooks/useKeyboardShortcuts.ts

@@ -1,6 +1,6 @@
 import { useEffect } from 'react';
 import { useGameStore, type ActivePage } from '@/store';
-import type { GameSpeed } from '@ai-tycoon/shared';
+import type { GameSpeed } from '@token-empire/shared';
 
 const PAGE_SHORTCUTS: Record<string, ActivePage> = {
   d: 'dashboard',