feat: 新增Android平台支持及构建流程

集成Android平台相关目录与配置文件，包含Gradle构建脚本、资源文件、启动图标、Java入口、Proguard规则等，完善.gitignore以排除Android构建产物。更新CI流程，支持自动构建并发布Android APK。移除README中项目结构说明，简化文档。

src/components/EnemyAlertNotifications.vue

@@ -157,7 +157,7 @@
   import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter } from '@/components/ui/dialog'
   import { ScrollArea } from '@/components/ui/scroll-area'
   import { Empty, EmptyContent, EmptyDescription } from '@/components/ui/empty'
-  import { Siren, Eye, Sword, Shield, Globe } from 'lucide-vue-next'
+  import { Siren, Eye, Sword, Shield, Globe, Recycle } from 'lucide-vue-next'
   import { MissionType } from '@/types/game'
   import type { IncomingFleetAlert } from '@/types/game'
   import { formatDate, formatTime } from '@/utils/format'
@@ -200,6 +200,8 @@
         return Eye
       case MissionType.Attack:
         return Sword
+      case MissionType.Recycle:
+        return Recycle
       default:
         return Siren
     }
@@ -212,6 +214,8 @@
         return 'text-purple-500'
       case MissionType.Attack:
         return 'text-red-500'
+      case MissionType.Recycle:
+        return 'text-amber-500'
       default:
         return 'text-yellow-500'
     }
@@ -229,6 +233,8 @@
         return t('enemyAlert.missionType.spy')
       case MissionType.Attack:
         return t('enemyAlert.missionType.attack')
+      case MissionType.Recycle:
+        return t('enemyAlert.missionType.recycle')
       default:
         return t('enemyAlert.missionType.unknown')
     }
@@ -241,6 +247,8 @@
         return t('enemyAlert.warning.spy')
       case MissionType.Attack:
         return t('enemyAlert.warning.attack')
+      case MissionType.Recycle:
+        return t('enemyAlert.warning.recycle')
       default:
         return t('enemyAlert.warning.unknown')
     }

src/components/LowEnergyWarning.vue

@@ -0,0 +1,72 @@
+<template>
+  <div v-if="showWarning" class="bg-destructive/10 border-b border-destructive/20">
+    <div class="px-4 sm:px-6 py-2 flex items-center justify-between gap-3">
+      <!-- 警告图标和信息 -->
+      <div class="flex items-center gap-2 flex-1 min-w-0">
+        <Zap class="h-5 w-5 text-destructive flex-shrink-0 animate-pulse" />
+        <div class="flex-1 min-w-0">
+          <p class="text-sm font-semibold text-destructive">
+            {{ t('energy.lowWarning') }}
+          </p>
+          <p class="text-xs text-muted-foreground">
+            {{ detailMessage }}
+          </p>
+        </div>
+      </div>
+
+      <!-- 建造电站按钮 -->
+      <Button @click="goToBuildSolarPlant" variant="outline" size="sm" class="flex-shrink-0">
+        {{ t('energy.buildSolarPlant') }}
+      </Button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+  import { computed } from 'vue'
+  import { useRouter } from 'vue-router'
+  import { useGameStore } from '@/stores/gameStore'
+  import { Button } from '@/components/ui/button'
+  import { Zap } from 'lucide-vue-next'
+  import { useI18n } from '@/composables/useI18n'
+  import * as resourceLogic from '@/logic/resourceLogic'
+  import * as officerLogic from '@/logic/officerLogic'
+
+  const gameStore = useGameStore()
+  const router = useRouter()
+  const { t } = useI18n()
+
+  // 获取当前星球
+  const planet = computed(() => gameStore.currentPlanet)
+
+  // 计算能量产量
+  const energyProduction = computed(() => {
+    if (!planet.value) return 0
+    const now = Date.now()
+    const bonuses = officerLogic.calculateActiveBonuses(gameStore.player.officers, now)
+    return resourceLogic.calculateEnergyProduction(planet.value, { energyProductionBonus: bonuses.energyProductionBonus })
+  })
+
+  // 计算能量消耗
+  const energyConsumption = computed(() => {
+    if (!planet.value) return 0
+    return resourceLogic.calculateEnergyConsumption(planet.value)
+  })
+
+  // 是否显示警告（电力产量 < 消耗）
+  const showWarning = computed(() => {
+    if (!planet.value) return false
+    return energyProduction.value < energyConsumption.value
+  })
+
+  // 详细消息
+  const detailMessage = computed(() => {
+    const deficit = Math.ceil(energyConsumption.value - energyProduction.value)
+    return t('energy.deficitDetail', { deficit: deficit.toString() })
+  })
+
+  // 跳转到建筑页面建造太阳能电站
+  const goToBuildSolarPlant = () => {
+    router.push('/buildings')
+  }
+</script>

src/components/NpcRelationCard.vue

@@ -4,12 +4,20 @@
       <CardHeader>
         <div class="flex items-start justify-between">
           <div class="flex-1">
-            <CardTitle class="flex items-center gap-2">
+            <CardTitle class="flex items-center gap-2 flex-wrap">
               {{ npc.name }}
               <span v-if="npc.note" class="text-muted-foreground font-normal">({{ npc.note }})</span>
               <Badge :variant="statusBadgeVariant">
                 {{ statusText }}
               </Badge>
+              <!-- NPC难度等级徽章 -->
+              <Badge
+                v-if="npc.difficultyLevel"
+                :variant="difficultyBadgeVariant"
+                :class="difficultyLevelColor"
+              >
+                Lv.{{ npc.difficultyLevel }}
+              </Badge>
             </CardTitle>
             <CardDescription class="mt-1">
               {{ npc.planets.length }} {{ t('diplomacy.planets') }}
@@ -208,6 +216,28 @@
     return 'text-muted-foreground'
   })
 
+  // NPC难度等级颜色
+  const difficultyLevelColor = computed(() => {
+    const level = props.npc.difficultyLevel
+    if (!level) return 'text-muted-foreground'
+    if (level <= 1) return 'text-green-600 dark:text-green-400' // 新手
+    if (level <= 2) return 'text-lime-600 dark:text-lime-400' // 简单
+    if (level <= 3) return 'text-yellow-600 dark:text-yellow-400' // 普通
+    if (level <= 4) return 'text-orange-600 dark:text-orange-400' // 困难
+    if (level <= 5) return 'text-red-600 dark:text-red-400' // 专家
+    if (level <= 6) return 'text-purple-600 dark:text-purple-400' // 大师
+    return 'text-pink-600 dark:text-pink-400' // 传奇及以上
+  })
+
+  // NPC难度等级Badge样式
+  const difficultyBadgeVariant = computed((): 'default' | 'secondary' | 'destructive' | 'outline' => {
+    const level = props.npc.difficultyLevel
+    if (!level) return 'outline'
+    if (level <= 2) return 'secondary'
+    if (level <= 4) return 'default'
+    return 'destructive'
+  })
+
   // 最近的外交事件
   const recentEvent = computed(() => {
     if (!props.relation?.history || props.relation.history.length === 0) return null

src/components/NpcRelationRow.vue

@@ -18,6 +18,15 @@
           <div class="flex items-center gap-2">
             <span class="font-medium truncate">{{ npc.name }}</span>
             <span v-if="npc.note" class="text-muted-foreground text-sm truncate">({{ npc.note }})</span>
+            <!-- NPC难度等级徽章 -->
+            <Badge
+              v-if="npc.difficultyLevel"
+              :variant="difficultyBadgeVariant"
+              class="text-xs"
+              :class="difficultyLevelColor"
+            >
+              Lv.{{ npc.difficultyLevel }}
+            </Badge>
           </div>
           <div class="text-xs text-muted-foreground">
             {{ npc.planets.length }} {{ t('diplomacy.planets') }}
@@ -68,9 +77,18 @@
               'bg-gray-400': status === RelationStatus.Neutral
             }"
           />
-          <div class="flex-1 min-w-0">
+          <div class="flex-1 min-w-0 flex items-center gap-1 flex-wrap">
             <span class="font-medium truncate">{{ npc.name }}</span>
-            <span v-if="npc.note" class="text-muted-foreground text-sm ml-1">({{ npc.note }})</span>
+            <span v-if="npc.note" class="text-muted-foreground text-sm">({{ npc.note }})</span>
+            <!-- NPC难度等级徽章 (移动端) -->
+            <Badge
+              v-if="npc.difficultyLevel"
+              :variant="difficultyBadgeVariant"
+              class="text-xs"
+              :class="difficultyLevelColor"
+            >
+              Lv.{{ npc.difficultyLevel }}
+            </Badge>
           </div>
           <ChevronDown class="h-4 w-4 text-muted-foreground transition-transform flex-shrink-0" :class="{ 'rotate-180': isExpanded }" />
         </div>
@@ -214,6 +232,28 @@
     return 'text-muted-foreground'
   })
 
+  // NPC难度等级颜色
+  const difficultyLevelColor = computed(() => {
+    const level = props.npc.difficultyLevel
+    if (!level) return 'text-muted-foreground'
+    if (level <= 1) return 'text-green-600 dark:text-green-400' // 新手
+    if (level <= 2) return 'text-lime-600 dark:text-lime-400' // 简单
+    if (level <= 3) return 'text-yellow-600 dark:text-yellow-400' // 普通
+    if (level <= 4) return 'text-orange-600 dark:text-orange-400' // 困难
+    if (level <= 5) return 'text-red-600 dark:text-red-400' // 专家
+    if (level <= 6) return 'text-purple-600 dark:text-purple-400' // 大师
+    return 'text-pink-600 dark:text-pink-400' // 传奇及以上
+  })
+
+  // NPC难度等级Badge样式
+  const difficultyBadgeVariant = computed((): 'default' | 'secondary' | 'destructive' | 'outline' => {
+    const level = props.npc.difficultyLevel
+    if (!level) return 'outline'
+    if (level <= 2) return 'secondary'
+    if (level <= 4) return 'default'
+    return 'destructive'
+  })
+
   // 最近的外交事件
   const recentEvent = computed(() => {
     if (!props.relation?.history || props.relation.history.length === 0) return null

src/components/QueueNotifications.vue

@@ -173,7 +173,8 @@
   const getQueueProgress = (item: BuildQueueItem): number => {
     const elapsed = currentTime.value - item.startTime
     const total = item.endTime - item.startTime
-    return Math.min(100, (elapsed / total) * 100)
+    if (total <= 0) return 100
+    return Math.max(0, Math.min(100, (elapsed / total) * 100))
   }
 
   // 统一的取消处理