feat: 完善 DDD 架构 - 添加领域分析器服务适配层

- 添加 src/__init__.py 作为源码包入口
- 添加 domain/services 分析器适配层:
  - topic_analyzer.py: 话题分析领域服务
  - user_title_analyzer.py: 用户称号分析领域服务
  - golden_quote_analyzer.py: 金句分析领域服务
- 更新 domain/entities/__init__.py 导出更多实体类
- 更新 shared/constants.py 添加枚举类 (Platform, TaskStatus, ContentType, ReportFormat)
- 所有新代码使用中文注释

src/shared/constants.py

@@ -2,6 +2,50 @@
 常量 - 插件中使用的共享常量
 """
 
+from enum import Enum
+
+
+class Platform(str, Enum):
+    """平台枚举类"""
+    ONEBOT = "onebot"
+    AIOCQHTTP = "aiocqhttp"
+    TELEGRAM = "telegram"
+    DISCORD = "discord"
+    SLACK = "slack"
+    LARK = "lark"
+
+
+class TaskStatus(str, Enum):
+    """任务状态枚举类"""
+    PENDING = "pending"
+    RUNNING = "running"
+    COMPLETED = "completed"
+    FAILED = "failed"
+    CANCELLED = "cancelled"
+
+
+class ContentType(str, Enum):
+    """消息内容类型枚举类"""
+    TEXT = "text"
+    IMAGE = "image"
+    EMOJI = "emoji"
+    STICKER = "sticker"
+    FILE = "file"
+    AUDIO = "audio"
+    VIDEO = "video"
+    REPLY = "reply"
+    AT = "at"
+    UNKNOWN = "unknown"
+
+
+class ReportFormat(str, Enum):
+    """报告格式枚举类"""
+    TEXT = "text"
+    MARKDOWN = "markdown"
+    IMAGE = "image"
+    HTML = "html"
+
+
 # 插件元数据
 PLUGIN_NAME = "astrbot_plugin_qq_group_daily_analysis"
 PLUGIN_VERSION = "2.0.0"