fix: row->message missing thinking arg breaks every session-get-messages

ober

1b772dd9eb7faf07a977e1cfe8ca0d2d80c90602

diff --git a/src/jcode/core/session.ss b/src/jcode/core/session.ss
index de125ae..dcd1e72 100644
--- a/src/jcode/core/session.ss
+++ b/src/jcode/core/session.ss
@@ -111,7 +111,8 @@
              (if (pair? parsed)
                (map json->stored-tool-call parsed)
                '())))
-      tc-id)))
+      tc-id
+      #f)))
 
 (def (session-list)
   (let* ((db (open-db))