Version: 0.7.9.dev.260326

后端：
1.把最后一块拼图：schedule_refine也搬迁到了agent2，此时agent已经完全解耦。但是它没融入新架构，Codex只尝试把它调整了一部分，回退了一些错误的更改，保持着现在的可运行状态。下次继续改。
2.agent目录先保留，直到refine彻底融入新架构。
3.改善Codex主导的新史山结构:node文件夹里面大量文件，转而改成了module.go+module_tool.go的双文件格局，极大提升架构整洁度和代码可读性。
前端：
1.新开了日历界面，正在保持往前推进。做了很多更改，感觉越来越好了。

backend/agent2/node/schedule_refine.go

@@ -1,25 +1,69 @@
 package agentnode
 
 import (
-	agentllm "github.com/LoveLosita/smartflow/backend/agent2/llm"
-	agentstream "github.com/LoveLosita/smartflow/backend/agent2/stream"
+	"context"
+
+	agentmodel "github.com/LoveLosita/smartflow/backend/agent2/model"
+	agentrefine "github.com/LoveLosita/smartflow/backend/agent2/node/schedule_refine_impl"
+	"github.com/LoveLosita/smartflow/backend/model"
 )
 
-// ScheduleRefineNodeDeps 描述“连续微调排程”节点层公共依赖。
-type ScheduleRefineNodeDeps struct {
-	LLM          *agentllm.Client
-	StageEmitter agentstream.StageEmitter
+// ScheduleRefineState is the node-layer alias for refine state.
+type ScheduleRefineState = agentrefine.ScheduleRefineState
+
+// ScheduleRefineGraphRunInput is the node-layer alias for refine graph input.
+type ScheduleRefineGraphRunInput = agentrefine.ScheduleRefineGraphRunInput
+
+// NewScheduleRefineState creates refine state from the previous preview snapshot.
+func NewScheduleRefineState(traceID string, userID int, conversationID string, userMessage string, preview *model.SchedulePlanPreviewCache) *ScheduleRefineState {
+	return agentrefine.NewScheduleRefineState(traceID, userID, conversationID, userMessage, preview)
 }
 
-// ScheduleRefineNodes 是“连续微调排程”节点逻辑容器。
+// FinalHardCheckPassed reports whether the final refine hard check passed.
+func FinalHardCheckPassed(st *ScheduleRefineState) bool {
+	return agentrefine.FinalHardCheckPassed(st)
+}
+
+// ScheduleRefineNodes is a temporary compatibility facade.
+// The real refine implementation still lives in schedule_refine_impl until the next split round lands.
 type ScheduleRefineNodes struct {
-	deps ScheduleRefineNodeDeps
+	input ScheduleRefineGraphRunInput
 }
 
-// NewScheduleRefineNodes 创建连续微调节点容器。
-func NewScheduleRefineNodes(deps ScheduleRefineNodeDeps) *ScheduleRefineNodes {
-	if deps.StageEmitter == nil {
-		deps.StageEmitter = agentstream.NoopStageEmitter()
-	}
-	return &ScheduleRefineNodes{deps: deps}
+// NewScheduleRefineNodes stores the refine graph input.
+func NewScheduleRefineNodes(input ScheduleRefineGraphRunInput) (*ScheduleRefineNodes, error) {
+	return &ScheduleRefineNodes{input: input}, nil
+}
+
+func (n *ScheduleRefineNodes) Contract(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+func (n *ScheduleRefineNodes) Plan(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+func (n *ScheduleRefineNodes) Slice(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+func (n *ScheduleRefineNodes) Route(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+func (n *ScheduleRefineNodes) React(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+func (n *ScheduleRefineNodes) HardCheck(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+func (n *ScheduleRefineNodes) Summary(ctx context.Context, st *agentmodel.ScheduleRefineState) (*agentmodel.ScheduleRefineState, error) {
+	return st, nil
+}
+
+// RunScheduleRefineGraph is kept as the single executable entry for refine.
+func RunScheduleRefineGraph(ctx context.Context, input ScheduleRefineGraphRunInput) (*ScheduleRefineState, error) {
+	return agentrefine.RunScheduleRefineGraph(ctx, input)
 }