创建了新的反注入

src/chat/security/interfaces.py

@@ -0,0 +1,96 @@
+"""
+安全检测接口定义
+"""
+
+from abc import ABC, abstractmethod
+from dataclasses import dataclass, field
+from enum import Enum
+
+
+class SecurityLevel(Enum):
+    """安全级别"""
+
+    SAFE = "safe"  # 安全
+    LOW_RISK = "low_risk"  # 低风险
+    MEDIUM_RISK = "medium_risk"  # 中等风险
+    HIGH_RISK = "high_risk"  # 高风险
+    CRITICAL = "critical"  # 严重风险
+
+
+class SecurityAction(Enum):
+    """安全处理动作"""
+
+    ALLOW = "allow"  # 允许通过
+    MONITOR = "monitor"  # 监控但允许
+    SHIELD = "shield"  # 加盾处理
+    BLOCK = "block"  # 阻止
+    COUNTER = "counter"  # 反击
+
+
+@dataclass
+class SecurityCheckResult:
+    """安全检测结果"""
+
+    is_safe: bool = True  # 是否安全
+    level: SecurityLevel = SecurityLevel.SAFE  # 风险级别
+    confidence: float = 0.0  # 置信度 (0.0-1.0)
+    action: SecurityAction = SecurityAction.ALLOW  # 建议动作
+    reason: str = ""  # 检测原因
+    details: dict = field(default_factory=dict)  # 详细信息
+    matched_patterns: list[str] = field(default_factory=list)  # 匹配的模式
+    checker_name: str = ""  # 检测器名称
+    processing_time: float = 0.0  # 处理时间(秒)
+
+    def __post_init__(self):
+        """结果后处理"""
+        # 根据风险级别自动设置 is_safe
+        if self.level in [SecurityLevel.HIGH_RISK, SecurityLevel.CRITICAL]:
+            self.is_safe = False
+
+
+class SecurityChecker(ABC):
+    """安全检测器基类"""
+
+    def __init__(self, name: str, priority: int = 50):
+        """初始化检测器
+
+        Args:
+            name: 检测器名称
+            priority: 优先级 (0-100，数值越大优先级越高)
+        """
+        self.name = name
+        self.priority = priority
+        self.enabled = True
+
+    @abstractmethod
+    async def check(self, message: str, context: dict | None = None) -> SecurityCheckResult:
+        """执行安全检测
+
+        Args:
+            message: 待检测的消息内容
+            context: 上下文信息（可选），包含用户信息、聊天信息等
+
+        Returns:
+            SecurityCheckResult: 检测结果
+        """
+        pass
+
+    def enable(self):
+        """启用检测器"""
+        self.enabled = True
+
+    def disable(self):
+        """禁用检测器"""
+        self.enabled = False
+
+    async def pre_check(self, message: str, context: dict | None = None) -> bool:
+        """预检查，快速判断是否需要执行完整检查
+
+        Args:
+            message: 待检测的消息内容
+            context: 上下文信息
+
+        Returns:
+            bool: True表示需要完整检查，False表示可以跳过
+        """
+        return True  # 默认总是执行完整检查