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/stores/gameStore.ts

@@ -1,5 +1,5 @@
 import { defineStore } from 'pinia'
-import type { Planet, Player, BuildQueueItem, FleetMission, BattleResult, SpyReport, Officer } from '@/types/game'
+import type { Planet, Player, BuildQueueItem, FleetMission, BattleResult, SpyReport, Officer, SpiedNotification, NPCActivityNotification, IncomingFleetAlert } from '@/types/game'
 import { TechnologyType, OfficerType } from '@/types/game'
 import type { Locale } from '@/locales'
 import pkg from '../../package.json'
@@ -18,7 +18,14 @@ export const useGameStore = defineStore('game', {
       researchQueue: [] as BuildQueueItem[],
       fleetMissions: [] as FleetMission[],
       battleReports: [] as BattleResult[],
-      spyReports: [] as SpyReport[]
+      spyReports: [] as SpyReport[],
+      spiedNotifications: [] as SpiedNotification[],
+      npcActivityNotifications: [] as NPCActivityNotification[],
+      missionReports: [],
+      incomingFleetAlerts: [] as IncomingFleetAlert[],
+      giftNotifications: [],
+      giftRejectedNotifications: [],
+      points: 0
     } as Player,
     currentPlanetId: '',
     isDark: '',

src/stores/npcStore.ts

@@ -0,0 +1,23 @@
+import { defineStore } from 'pinia'
+import type { NPC } from '@/types/game'
+import pkg from '../../package.json'
+import { encryptData, decryptData } from '@/utils/crypto'
+
+/**
+ * NPC Store
+ * 存储和管理所有NPC数据
+ */
+export const useNPCStore = defineStore('npc', {
+  state: () => ({
+    npcs: [] as NPC[],
+    lastGrowthCheck: {} as Record<string, number> // npcId -> timestamp
+  }),
+  persist: {
+    key: `${pkg.name}-npcs`,
+    storage: localStorage,
+    serializer: {
+      serialize: state => encryptData(state),
+      deserialize: value => decryptData(value)
+    }
+  }
+})