[Draft] Support `az what-if`#32138

Draft

MoChilia wants to merge 20 commits intoAzure:devfrom

MoChilia:whatif

Commits on Sep 11, 2025

az what-if (save)
MoChilia
committed

Commits on Sep 14, 2025

az what-if
MoChilia
committed

Commits on Sep 18, 2025

update
MoChilia
committed

Commits on Sep 19, 2025

Commits on Sep 23, 2025

Commits on Oct 13, 2025

modify error output
MoChilia
committed

Commits on Oct 29, 2025

update url
MoChilia
committed

Commits on Dec 1, 2025