feat: expand InitializationState with explicit lifecycle state machine #820

Job	Run time
checks / pre-commit	34s
checks / test (3.12, lowest-direct, windows-latest)	3m 15s
checks / test (3.11, locked, ubuntu-latest)	52s
checks / test (3.10, locked, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 4s
checks / readme-snippets	12s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 21s
checks / test (3.10, locked, windows-latest)	2m 6s
checks / test (3.13, lowest-direct, windows-latest)	2m 39s
checks / test (3.14, locked, ubuntu-latest)	2m 25s
checks / test (3.10, lowest-direct, ubuntu-latest)	59s
checks / test (3.14, locked, windows-latest)	3m 1s
checks / test (3.11, lowest-direct, windows-latest)	3m 38s
checks / test (3.13, locked, windows-latest)	2m 25s
checks / test (3.13, lowest-direct, ubuntu-latest)	51s
checks / test (3.10, lowest-direct, windows-latest)	2m 18s
checks / test (3.11, lowest-direct, ubuntu-latest)	58s
checks / test (3.11, locked, windows-latest)	2m 31s
checks / test (3.12, locked, windows-latest)	3m 14s
checks / test (3.12, locked, ubuntu-latest)	57s
checks / test (3.14, lowest-direct, windows-latest)	3m 8s
checks / test (3.13, locked, ubuntu-latest)	50s
all-green	3s
	40m 10s

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