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GitHub Agentic Workflows look great unless you absolutely need a Windows or macOS runner. It's hard to build an AI software factory for a Windows desktop app from a headless Linux runner. I had to switch to a regular GitHub Actions workflow that calls Copilot CLI 🤷

The headless Linux assumption breaks fast on desktop apps: signing, installers and UI tests all want the real OS. A plain Actions workflow calling the CLI is less shiny, but it keeps the agent inside the build you already trust. How does Copilot CLI cope with MSBuild errors?