Tests

docs: add deployment and threading safety guide (closes #48) #98

Job	Run time
Lock file freshness	10s
Secret scan (gitleaks)	7s
Typecheck (mypy)	20s
Unit tests (windows-latest / Python 3.11)	1m 6s
Unit tests (windows-latest / Python 3.13)	1m 18s
Unit tests (ubuntu-latest / Python 3.10)	13s
Unit tests (windows-latest / Python 3.10)	36s
Unit tests (macos-latest / Python 3.11)	14s
Unit tests (macos-latest / Python 3.12)	12s
Unit tests (ubuntu-latest / Python 3.11)	15s
Unit tests (windows-latest / Python 3.12)	1m 6s
Unit tests (macos-latest / Python 3.10)	41s
Unit tests (ubuntu-latest / Python 3.13)	13s
Unit tests (macos-latest / Python 3.13)	16s
Unit tests (ubuntu-latest / Python 3.12)	17s
	7m 4s

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