Tests

Add typed raw accessors with drift logging; migrate workspace tabs an… #190

Job	Run time
Typecheck (mypy)	17s
Secret scan (gitleaks)	6s
Lock file freshness	10s
Unit tests (windows-latest / Python 3.12)	2m 8s
Unit tests (macos-latest / Python 3.12)	17s
Unit tests (ubuntu-latest / Python 3.10)	25s
Unit tests (ubuntu-latest / Python 3.13)	28s
Unit tests (windows-latest / Python 3.11)	1m 4s
Unit tests (macos-latest / Python 3.13)	23s
Unit tests (macos-latest / Python 3.10)	36s
Unit tests (macos-latest / Python 3.11)	16s
Unit tests (ubuntu-latest / Python 3.12)	22s
Unit tests (ubuntu-latest / Python 3.11)	22s
Unit tests (windows-latest / Python 3.13)	52s
Unit tests (windows-latest / Python 3.10)	1m 45s
	9m 31s

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