The original title is "Domain Modeling from First Principles: A Behavior-First Framework for System Design"

Short summary

A framework for low-level domain modeling that starts from business behavior rather than classes or patterns. The sequence flows from user journeys to invariants, entities, value objects, state machines, aggregates, bounded contexts, and services. The core argument: strong system designs preserve business correctness under change, failure, and scale—everything else is implementation detail.

• •Start domain modeling from business behavior, not classes or UML diagrams
• •Follow the chain: behavior → invariants → entities → state machines → aggregates → bounded contexts → services
• •Strong designs are defined by how well they preserve business correctness, not by architecture style or class count

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