Add install_deps script for Windows and configure build in a clean environment

[lnfjpt]

As titiled.

[github-actions]

🤖 Auto-triage suggestion: this looks like a sub-issue of #257 — Grouping adhoc issues (confidence: medium).

Reason: This is a CI/build infrastructure task for Windows dependency installation and clean-environment build configuration, which doesn't fit neatly into any specific subsystem umbrella but relates to build system improvements.

Auto-applied: labels → ci

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