What domain knowledge changes in product development
Knowing the process produces different invariants. Not more features — different failures you cannot afford.
Read note →Notes
What matters in operations.
Short, substantial writing about decisions. Not a feed, not announcements.
From batch ticket to daily log
Two documents, one model. If they live apart, the fracture appears exactly where the shift hands over.
Read note →Why domain bookings must not simply be deleted
In a production model, delete is rarely the right correction. Usually you need a reversing entry.
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