tech-spec

To turn a PRD into a technical specification, decompose product requirements into modular components by defining module interfaces, invariants, failure modes, and validation criteria through a phase-driven discovery and design workflow.

Tracer-bullet sequencing establishes a minimal, end-to-end slice to prove architectural viability before fleshing out details. It sequences modular components to validate the system design early and surface open questions or risks prior to implementation.

Defining module interfaces and invariants from product requirements involves deep-module decomposition to minimize coupling. You identify clear module boundaries, specify expected behaviors, and establish end-to-end validation criteria and explicit tests.

The best way to track open questions and risks during technical design is using a phase-driven workflow that surfaces unresolved items during decomposition. Establishing explicit validation criteria ensures items are resolved before implementation begins.

Yes, this modular design approach works without specific framework dependencies. It operates purely on the product requirements provided in the PRD, translating them into system definitions, interface contracts, and verification tests independently.

You should avoid deep-module decomposition for technical specs when a PRD lacks sufficient detail for identifying clear interfaces and invariants. The process requires concrete product requirements to successfully establish validation criteria and architectural sequencing.