fix: change db_type to optional field
Co-authored-by: chen-hui-zhe-xi<chenhui280@h-partners.com>
# message auto-generated for no-merge-commit merge:
!1052 merge set-db-type-optional into develop
fix: change db_type to optional field
Created-by: chen-hui-zhe-xi
Commit-by: chen-hui-zhe-xi
Merged-by: ZYQ5333
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See merge request: openJiuwen/agent-studio!1052
