fix: harden refresh generation guards (#391) #1376

Job	Run time
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 45s
Tests (macos-14, aarch64-apple-darwin, yes)	12m 55s
Tests (macos-latest, x86_64-apple-darwin, yes)	12m 39s
Builds (windows-latest, x86_64-pc-windows-msvc)	5m 38s
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 40s
Builds (windows-latest, aarch64-pc-windows-msvc)	4m 55s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	8m 28s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	9m 22s
Builds (macos-14, aarch64-apple-darwin, yes)	2m 0s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	5m 16s
Builds (macos-latest, x86_64-apple-darwin, yes)	2m 47s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 56s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	3m 8s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	5m 15s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	5m 27s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 24s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 48s
	1h 34m 23s

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