feat: 实现Nouveau模板系统 - 中文本地化和图片fallback支持

🎨 新功能特性:
- 全新的赛博朋克风格界面模板
- 完整的中英文双语支持，默认中文界面
- 5种可切换的配色主题（赛博蓝、霓虹紫、矩阵绿、合成波橙、蒸汽波粉）
- 完全响应式设计，支持移动设备和桌面设备
- 图片资源缺失时自动使用Emoji替代

🔧 技术实现:
- 动态模板系统，支持用户选择界面模板
- CSS变量驱动的主题切换系统
- JavaScript增强的交互体验和动画效果
- 多层fallback机制确保在各种环境下正常工作
- 现代化的HTML5结构和Tailwind CSS集成

🌟 用户体验:
- 中文优先的界面设计，符合中文用户习惯
- 键盘快捷键支持（Ctrl+Shift+T切换主题，P键打开侧边面板）
- 增强的聊天系统，支持表情和消息类型识别
- 专门的战斗、休息、死亡状态界面
- 高级侧边面板显示详细游戏信息

📱 兼容性:
- 支持Chrome 80+, Firefox 75+, Safari 13+, Edge 80+
- 移动端优化，触摸友好的界面元素
- 优雅降级，旧版浏览器基础功能可用
- 完全兼容现有游戏机制，无需修改游戏逻辑

🚀 部署就绪:
- 用户可立即在个人资料中选择'NOUVEAU（测试中）'模板
- 包含完整的文档和使用说明
- 提供详细的图片资源需求文档
- 在缺失图片资源时仍能完美运行

文件变更:
- 新增: templates/nouveau/ 完整模板目录
- 修改: gamedata/system.php - 动态模板选择逻辑
- 修改: include/global.func.php - 增强的模板fallback机制
- 修改: user.php - 支持nouveau模板选择
- 新增: 完整的文档和实现日志

## Major Changes

### 📚 New Technical Documentation Suite (doc/nouveau_250609/)
- **README.md**: Project overview and quick start guide
- **文档索引.md**: Complete documentation navigation system
- **系统架构.md**: Detailed system architecture design
- **数据库设计.md**: Complete database structure documentation
- **配置系统详解.md**: NEW - Comprehensive configuration system guide
- **API接口文档.md**: API interface specifications
- **游戏机制详解.md**: Detailed game mechanics explanation
- **开发指南.md**: Development environment and coding standards
- **部署运维指南.md**: Production deployment and operations guide
- **开发历程整合.md**: Complete development history integration

### 🗂️ Documentation Organization (doc/etc/)
- Reorganized 42+ development records into 8 functional categories:
  - 物品系统/ (Item System) - 13 files
  - 钓鱼系统/ (Fishing System) - 6 files
  - 社团系统/ (Club System) - 1 file
  - 战斗系统/ (Combat System) - 9 files
  - 对话系统/ (Dialogue System) - 1 file
  - 界面修复/ (UI Fixes) - 3 files
  - 数据库系统/ (Database System) - 9 files
  - 事件系统/ (Event System) - 1 file
- Added comprehensive README.md with organization guidelines

### 🔧 Technical Accuracy Improvements
Based on deep analysis of gamedata/ and include/ directories:

#### Database Design Corrections
- Fixed table prefix explanations ({tablepre} vs {gtablepre})
- Added missing player table fields (pgroup, rp, inf, clbpara)
- Documented dual weapon system and JSON parameter fields

#### System Architecture Updates
- Corrected database layer description (MySQLi focus)
- Enhanced configuration file hierarchy documentation
- Added template system architecture explanation

#### Game Mechanics Refinements
- Updated all 22 club types with accurate names and IDs
- Detailed item classification system with proper type codes
- Enhanced map system with hidden map groups explanation

#### Configuration System Documentation
- NEW comprehensive configuration system guide
- Detailed explanation of all config files and their purposes
- Configuration loading mechanism and best practices

### 📝 Development Records
- **20250609_documentation_organization.txt**: Complete operation log
- **20250609_documentation_refinement.txt**: Technical refinement details

## Impact
- Dramatically improved documentation accuracy and completeness
- Enhanced maintainability for development team
- Reduced onboarding time for new developers
- Established comprehensive technical reference system

## Files Changed
- 10 new technical documents created
- 42+ development records reorganized
- Enhanced project documentation structure
- Improved cross-referencing and navigation

Fix PHP Notice in game init
Fix background display

fireseed tune

TODO: Finalize NPC Resource designs

Bugfix: fireseed4 incorrectly triggering on poison