Update TypeSpec emitter version to prerelease 1.0.0-alpha.20250814.1 (Azure#51991)

* Regenerate repository SDK with TypeSpec build 20250814.1

* Update SDK code ke_pu_3

* Update SDK code pu_wo_4

* Update SDK code co_du_1

* Update SDK code ea_io_2

* Update SDK code ag_co_0

* remove inputs

* revert

---------

Co-authored-by: Wei Hu <[email protected]>

Author: azure-sdk