feat(规则管理): 添加主题规则自动发现设备功能

实现设备自动发现规则管理系统，包含以下主要功能：
1. 新增规则管理页面和API，支持创建、编辑和删除主题匹配规则
2. 添加规则匹配引擎，支持+和#通配符匹配设备主题
3. 实现Broker设备注册表，自动发现并管理符合规则的设备
4. 扩展仪表盘显示Broker信息和活跃主题
5. 修改设备卡片和详情页以区分规则发现的设备
6. 添加相关测试用例确保功能稳定性

src/mqtt_home/schemas.py

@@ -63,8 +63,55 @@ class BrokerTopic(BaseModel):
     node: Optional[str] = None
 
 
+class BrokerDeviceResponse(BaseModel):
+    id: str
+    name: str
+    type: str
+    protocol: str = "topic_rule"
+    mqtt_topic: str
+    command_topic: str | None = None
+    state: str | None = None
+    is_online: bool = False
+    last_seen: datetime | None = None
+    rule_id: int = 0
+
+
 class DashboardStats(BaseModel):
     total_devices: int
     online_devices: int
     offline_devices: int
     recent_logs: list[DeviceLogResponse]
+    broker_topics: list[str] = []
+    broker_device_count: int = 0
+    broker_online_count: int = 0
+    mqtt_connected: bool = False
+
+
+class RuleCreate(BaseModel):
+    name: str
+    topic_pattern: str
+    device_type: str = "switch"
+    command_template: str | None = None
+    state_value_path: str | None = None
+    is_enabled: bool = True
+
+
+class RuleUpdate(BaseModel):
+    name: str | None = None
+    topic_pattern: str | None = None
+    device_type: str | None = None
+    command_template: str | None = None
+    state_value_path: str | None = None
+    is_enabled: bool | None = None
+
+
+class RuleResponse(BaseModel):
+    id: int
+    name: str
+    topic_pattern: str
+    device_type: str
+    command_template: str | None = None
+    state_value_path: str | None = None
+    is_enabled: bool
+    created_at: datetime
+    model_config = {"from_attributes": True}