Add files via upload

internal/multiagent/eino_checkpoint_runtime.go

@@ -0,0 +1,38 @@
+package multiagent
+
+import (
+	"path/filepath"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+type einoCheckpointRuntime struct {
+	Store        *fileCheckPointStore
+	CheckPointID string
+}
+
+func newEinoCheckpointRuntime(checkpointDir, conversationID, orchMode string, logger *zap.Logger) *einoCheckpointRuntime {
+	checkpointDir = strings.TrimSpace(checkpointDir)
+	if checkpointDir == "" {
+		return nil
+	}
+	cpDir := filepath.Join(checkpointDir, sanitizeEinoPathSegment(conversationID))
+	store, err := newFileCheckPointStore(cpDir)
+	if err != nil {
+		if logger != nil {
+			logger.Warn("eino checkpoint store disabled", zap.String("dir", cpDir), zap.Error(err))
+		}
+		return nil
+	}
+	checkPointID := buildEinoCheckpointID(orchMode)
+	if logger != nil {
+		logger.Info("eino runner: checkpoint store enabled",
+			zap.String("dir", cpDir),
+			zap.String("checkPointID", checkPointID))
+	}
+	return &einoCheckpointRuntime{
+		Store:        store,
+		CheckPointID: checkPointID,
+	}
+}