fix: 修复武器经验获取并完善义体系统

- 修复战斗胜利后未获得武器技能经验的问题 (initCombat未传递skillExpReward)
- 每级武器技能提供5%武器伤害加成（已实现，无需修改）
- 实现义体安装/卸载功能，支持NPC对话交互
- StatusPanel添加义体装备槽显示
- MapPanel修复NPC对话import问题
- 新增成就系统框架
- 添加项目文档CLAUDE.md

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

config/achievements.js

@@ -0,0 +1,110 @@
+/**
+ * 成就系统配置
+ */
+export const ACHIEVEMENT_CONFIG = {
+  // ===== 战斗成就 =====
+  first_blood: {
+    id: 'first_blood',
+    name: '初露锋芒',
+    description: '击败第一个敌人',
+    icon: '⚔️',
+    condition: { type: 'kill', count: 1 },
+    reward: { copper: 100, exp: 20 }
+  },
+
+  hunter: {
+    id: 'hunter',
+    name: '狩猎者',
+    description: '击败10个敌人',
+    icon: '🏹',
+    condition: { type: 'kill', count: 10 },
+    reward: { copper: 500, exp: 100 }
+  },
+
+  slayer: {
+    id: 'slayer',
+    name: '屠戮者',
+    description: '击败100个敌人',
+    icon: '💀',
+    condition: { type: 'kill', count: 100 },
+    reward: { copper: 5000, exp: 1000, item: 'iron_sword' }
+  },
+
+  // ===== Boss成就 =====
+  boss_slayer: {
+    id: 'boss_slayer',
+    name: '弑君者',
+    description: '击败一个Boss',
+    icon: '👑',
+    condition: { type: 'boss_kill', count: 1 },
+    reward: { copper: 2000, exp: 500 }
+  },
+
+  // ===== 义体成就 =====
+  prosthetic_user: {
+    id: 'prosthetic_user',
+    name: '机械飞升',
+    description: '安装第一个义体',
+    icon: '🦾',
+    condition: { type: 'equip_prosthetic', count: 1 },
+    reward: { copper: 1000, exp: 200 }
+  },
+
+  full_conversion: {
+    id: 'full_conversion',
+    name: '完全机械化',
+    description: '同时装备4个义体',
+    icon: '🤖',
+    condition: { type: 'equip_prosthetic', count: 4 },
+    reward: { copper: 10000, exp: 2000 }
+  },
+
+  // ===== 技能成就 =====
+  skill_master: {
+    id: 'skill_master',
+    name: '宗师',
+    description: '任意技能达到20级',
+    icon: '📜',
+    condition: { type: 'skill_level', level: 20 },
+    reward: { copper: 3000, exp: 500 }
+  },
+
+  // ===== 探索成就 =====
+  explorer: {
+    id: 'explorer',
+    name: '探险家',
+    description: '访问所有区域',
+    icon: '🗺️',
+    condition: { type: 'visit_locations', count: 99 },
+    reward: { copper: 2000, exp: 300 }
+  },
+
+  // ===== 财富成就 =====
+  wealthy: {
+    id: 'wealthy',
+    name: '小有积蓄',
+    description: '累计获得10000铜币',
+    icon: '💰',
+    condition: { type: 'total_earned', amount: 10000 },
+    reward: { item: 'lucky_ring' }
+  },
+
+  // ===== 生存成就 =====
+  survivor: {
+    id: 'survivor',
+    name: '幸存者',
+    description: '存活10天',
+    icon: '🌅',
+    condition: { type: 'survive_days', days: 10 },
+    reward: { copper: 1000, exp: 200 }
+  },
+
+  veteran: {
+    id: 'veteran',
+    name: '老兵',
+    description: '存活30天',
+    icon: '🎖️',
+    condition: { type: 'survive_days', days: 30 },
+    reward: { copper: 5000, exp: 1000, item: 'iron_armor' }
+  }
+}