fix(sandbox): record the dsh-session dependency in the lockfile

pnpm-lock.yaml

@@ -4641,6 +4641,9 @@ importers:
       '@deepseek-ai/dsh-llm':
         specifier: workspace:^
         version: link:../../llm/llm
+      '@deepseek-ai/dsh-session':
+        specifier: workspace:^
+        version: link:../../core/session
       cordis:
         specifier: ^4.0.0-rc.7
         version: link:../../../vendor/cordis