Add

AgentSettingsBase

, a shared base for settings variants with

schema_version

,

export_schema()

, and

create_agent()

and move logic from Openhands to SDK • https://github.com/OpenHands/software-agent-sdk/pull/3022 @limited-student-10747 FYI • stacked-PR for openhands simplification https://github.com/OpenHands/OpenHands/pull/14283, needs new release

Thanks! Reviewed both