A specification states what the system is for, what it must do, what could go wrong, what it must know, where and how fast it must run, and what it should improve toward. Each of those is written in plain language.
Akka Specify compiles those inputs into one governed system. Agents, safeguards, evidence, the semantic layer, tests and deployment come out, and every part traces back to the specification that required it.
Spec-driven development turns a functional requirement into a working application. The requirement says what the system does, and a generator produces code from it. Spec-driven delivery takes a broader set of specifications and produces the entire governed system.
A production system in a regulated business needs more than behaviour. Where it runs decides which rules apply. What it knows decides whether its answers are grounded. What it may tune decides how far it changes without a person. A specification that omits those leaves them to whoever notices them later.
Agents, safeguards, evidence, the semantic layer, tests and deployment are generated together. A safeguard exists because a row in the risk envelope required it, and the runtime binding that enforces it carries that row.
The trace runs in both directions. An auditor asking why a control exists reads the requirement behind it, and a team editing a requirement sees which artifacts the edit reaches.
Product owners write goals and functional requirements. Risk and compliance own the risk envelope. Platform and operations own the operational envelope. One artifact holds them, so the parts are reviewed together.
An unanswered part becomes a decision made later by whoever writes the code. Writing it down moves the decision to the person who owns it.
The specification describes the system in its own terms, so the investment stays portable across deployments and Akka versions.
The specification is the artifact each change is verified against. A design document that no check reads describes the system as it stood on the day it was written.
The risk envelope carries the jurisdictions, and each one contributes its own controls. One specification compiles into different runtime safeguards per region.
