Version: 0.9.75.dev.260505

后端：
1.收口阶段 6 agent 结构迁移，将 newAgent 内核与 agentsvc 编排层迁入 services/agent
- 切换 Agent 启动装配与 HTTP handler 直连 agent sv，移除旧 service agent bridge
- 补齐 Agent 对 memory、task、task-class、schedule 的 RPC 适配与契约字段
- 扩展 schedule、task、task-class RPC/contract 支撑 Agent 查询、写入与 provider 切流
- 更新迁移文档、README 与相关注释，明确 agent 当前切流点和剩余 memory 迁移面

backend/service/events/agent_state_persist.go

@@ -10,7 +10,7 @@ import (
 	kafkabus "github.com/LoveLosita/smartflow/backend/infra/kafka"
 	outboxinfra "github.com/LoveLosita/smartflow/backend/infra/outbox"
 	"github.com/LoveLosita/smartflow/backend/model"
-	newagentmodel "github.com/LoveLosita/smartflow/backend/newAgent/model"
+	agentmodel "github.com/LoveLosita/smartflow/backend/services/agent/model"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 )
@@ -86,7 +86,7 @@ func RegisterAgentStateSnapshotHandler(
 func PublishAgentStateSnapshot(
 	ctx context.Context,
 	publisher outboxinfra.EventPublisher,
-	snapshot *newagentmodel.AgentStateSnapshot,
+	snapshot *agentmodel.AgentStateSnapshot,
 	conversationID string,
 	userID int,
 ) {