Ship fast. Keep the why.
Your team ships more than it ever has. You trust it less than you ever did. When the agent builds the feature, the reasoning behind it vanishes the moment the sprint ends. Six weeks later, someone asks why it works that way. Silence. Then archaeology.
Boxcar makes the lifecycle itself the record. Every feature ships with its decisions, its alternatives, and its evidence attached. The next release starts with the reasoning behind the last one.
Here is the part nobody tells you. The same living documentation that makes your team faster is what makes every decision defensible when the questions come from above. Speed and control were never a tradeoff. They are the same mechanism.
Pressure-tested from a NASA launch-autonomy program to an operator that recovered $500K in licensing in week one.
The feature works. Nobody knows why.
The model fills gaps your team never discussed. Policy, data handling, exceptions, approvals: decided silently, at generation time, by nobody. The demo passes and the choices disappear into the diff.
Then the next release builds on guesses. Old decisions get re-fought because nobody can find them. Your fastest people spend their week doing archaeology on their own product.
The fastest teams document more, not less.
On Boxcar, documentation is a byproduct of working, not a second job. Intent, autonomy limits, decisions, and evidence get captured as the work happens, in one living document humans and agents build from together.
The blank page is gone. Hard pattern choices arrive already made, vetted, and shipped in production. Change a governance doc and the agent's permitted behavior changes with it.
An ADR is a photograph. This is a live feed. Update a persona and the affected code paths know. Ask why a feature exists and the decision trail answers, with the alternatives that lost.
What one workflow proves in five weeks
A Governed Proof of Value takes one real workflow, puts it on rails, and ends with measured value in front of the people who approve what happens next. You keep every artifact either way.