initial commit

internal/domain/session.go

@@ -0,0 +1,15 @@
+package domain
+
+import "context"
+
+// Session represents a conversation session
+type Session struct {
+	ID       string    `json:"id"`
+	Messages []Message `json:"messages"`
+}
+
+// SessionStorage defines the interface for session storage
+type SessionStorage interface {
+	Get(ctx context.Context, sessionID string) (*Session, error)
+	Save(ctx context.Context, session *Session) error
+}