feat(lifecycle): instructor write_bundle + tasks [LTV-Pn.4b] #382

Job	Run time
Validate lead scoring dataset	37s
Release artifacts in sync (PR 7.2.1)	32s
Lint & format	10s
Execute release notebooks (G13.1)	1m 18s
Validate v6 lead scoring dataset	42s
Type check	46s
Validate v7 lead scoring dataset	39s
Tests (Python 3.12)	4m 37s
Tests (Python 3.11)	4m 33s
	13m 54s

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