feat: 新增NPC与外交逻辑，优化UI组件结构

重构并精简了部分UI组件，移除冗余弹窗与详情组件，新增NPC相关逻辑（npcBehaviorLogic、npcGrowthLogic、npcStore等）及外交逻辑（diplomaticLogic、DiplomacyView）。完善分页、标签、复选框等通用UI组件。优化战报弹窗，调整README下载链接为相对路径，修复部分国际化内容。

src/router/index.ts

@@ -13,6 +13,7 @@ const router = createRouter({
     { path: '/battle-simulator', name: 'battle-simulator', component: () => import('@/views/BattleSimulatorView.vue') },
     { path: '/messages', name: 'messages', component: () => import('@/views/MessagesView.vue') },
     { path: '/galaxy', name: 'galaxy', component: () => import('@/views/GalaxyView.vue') },
+    { path: '/diplomacy', name: 'diplomacy', component: () => import('@/views/DiplomacyView.vue') },
     { path: '/settings', name: 'settings', component: () => import('@/views/SettingsView.vue') },
     {
       path: '/gm',