feat(session): 重构会话管理和Redis缓存机制

model/dto/prompt_session_dto.go

@@ -2,13 +2,49 @@ package dto
 
 import "github.com/gogf/gf/v2/frame/g"
 
+// SessionCallbackReq 会话回调请求
 type SessionCallbackReq struct {
-	g.Meta     `path:"/sessionCallback" method:"post" tags:"提示词处理"`
+	g.Meta     `path:"/callback" method:"post" tags:"会话管理" summary:"会话回调"`
 	Messages   map[string]any `json:"messages" dc:"消息数组"`
 	EpicycleId int64          `json:"epicycleId" dc:"轮次ID"`
 }
 
+// SessionCallbackRes 会话回调响应
 type SessionCallbackRes struct {
 	Status    bool   `json:"status" dc:"状态"`
 	SessionId string `json:"sessionId" dc:"会话ID"`
 }
+
+// GetHistoryMessagesReq 获取历史消息请求
+type GetHistoryMessagesReq struct {
+	g.Meta    `path:"/history" method:"get" tags:"会话管理" summary:"获取历史消息"`
+	SessionId string `json:"sessionId" v:"required" dc:"会话ID"`
+	NodeId    string `json:"nodeId" dc:"节点ID"`
+}
+
+// GetHistoryMessagesRes 获取历史消息响应
+type GetHistoryMessagesRes struct {
+	Messages []HistoryRound `json:"messages" dc:"历史消息列表"`
+}
+
+// HistoryRound 一轮对话
+type HistoryRound struct {
+	Id        int64          `json:"id" dc:"记录ID"`
+	User      map[string]any `json:"user" dc:"用户消息"`
+	Assistant map[string]any `json:"assistant" dc:"助手回复"`
+	CreatedAt string         `json:"createdAt" dc:"创建时间"`
+}
+
+// DeleteSessionReq 删除会话请求
+type DeleteSessionReq struct {
+	g.Meta    `path:"/delete" method:"post" tags:"会话管理" summary:"删除会话"`
+	TenantId  uint64  `json:"tenantId" dc:"租户ID"`
+	SessionId string  `json:"sessionId" v:"required" dc:"会话ID"`
+	NodeId    string  `json:"nodeId" dc:"节点ID"`
+	MsgIds    []int64 `json:"msgIds" dc:"消息ID列表，传则删单条，不传删整个会话"`
+}
+
+// DeleteSessionRes 删除会话响应
+type DeleteSessionRes struct {
+	Ok bool `json:"ok" dc:"是否成功"`
+}