Python Related Changes Update website verison by @ekzhu in https://github.com/microsoft/autogen/pull/6196 Clean examples. by @zhanluxianshen in https://github.com/microsoft/autogen/pull/6203 Improve SocietyOfMindAgent message handling by @SongChiYoung in https://github.com/microsoft/autogen/pull/6142 redundancy code clean for agentchat by @zhanluxianshen in https://github.com/microsoft/autogen/pull/6190 added: gemini 2.5 pro preview by @ardentillumina in https://github.com/microsoft/autogen/pull/6226 chore: Add powershell path check for code executor by @lspinheiro in https://github.com/microsoft/autogen/pull/6212 Fix/transformer aware any modelfamily by @SongChiYoung in https://github.com/microsoft/autogen/pull/6213 clean codes notes for autogen-core.

by @zhanluxianshen in https://github.com/microsoft/autogen/pull/6218 Docker Code Exec delete temp files by @husseinmozannar in https://github.com/microsoft/autogen/pull/6211 Fix terminations conditions. by @zhanluxianshen in https://github.com/microsoft/autogen/pull/6229 Update json_schema_to_pydantic version and make relaxed requirement on arry item. by @ekzhu in https://github.com/microsoft/autogen/pull/6209 Fix sha256_hash…