feat: 添加数据库配置和相关模型定义

consts/public/redis_key.go

@@ -0,0 +1,15 @@
+package public
+
+const KnowledgeLockEsKey = "rag:knowledge:lock:knowledgeIdEs-%v"
+const KnowledgeLockSqlKey = "rag:knowledge:lock:knowledgeIdSql-%v"
+const KnowledgeContentHashEsKey = "rag:knowledge:knowledgeId:contentHashEs-%v"
+const KnowledgeContentHashSqlKey = "rag:knowledge:knowledgeId:contentHashSql-%v"
+
+const KnowledgeDocumentChunkTopic = "knowledge:document:chunk:stream" // 请求 Stream 键名（与发消息的key一致）
+
+const (
+	KnowledgeDocumentVectorStatusTopic     = "knowledge:document:vector:status:stream"
+	KnowledgeDocumentVectorStatusConsumer  = "knowledge-document-vector-status-consumer"
+	KnowledgeDocumentVectorStatusBatchSize = 1
+	KnowledgeDocumentVectorStatusAutoAck   = false
+)