Can a feature change leave the system architecture unchanged?
Yes. Adding an optional task field may fit existing components while still requiring schema, API, and interface updates. Assess each document instead of assuming every change needs a redesign.
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More FAQs in How do the PRD, system architecture, database design, and API design work together?
The PRD should define the intended guest behavior. Architecture, database design, and the API contract then describe the components, records, and permission checks needed to implement it.
Consistent names reduce accidental translations and ambiguous behavior. When different representations are necessary, document the mapping explicitly so forms, server logic, and stored records remain aligned.
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