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>

packages/game-engine/src/systems/infrastructureSystem.ts

@@ -3,7 +3,7 @@ import type {
   DeploymentCohort, PipelineStage, RackSkuId,
   SwitchTier, DCNetworkSummary, CampusNetworkSummary, ClusterNetworkSummary,
   RepairBatch, CampusRetrofitQueue, DCTier, IntraNodeInterconnect, NetworkFabric, RackSkuConfig,
-} from '@ai-tycoon/shared';
+} from '@token-empire/shared';
 import {
   LOCATION_CONFIGS,
   RACK_SKU_CONFIGS,
@@ -22,7 +22,7 @@ import {
   COOLING_TYPE_CONFIGS,
   NETWORK_FABRIC_CONFIGS,
   estimateNetworkSlots,
-} from '@ai-tycoon/shared';
+} from '@token-empire/shared';
 import type { TickNotification } from '../tick';
 import type { ResearchBonuses } from './researchBonuses';