> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zookooree.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Station 1: Design

> From work order to buildable specification: decisions made on paper before anything is assembled.

The station where thinking is cheapest. Design turns a conforming work order into a buildable specification — and writes the gauge before the part exists.

## Entry gate

A work order that passed Station 0's schema gate: Why linked to higher intent, testable acceptance criteria, declared family, target cost, named principal.

## Standard work

Spec and identity are written here — *tamazukuri*, in the order the manifesto demands:

* For **agents**: the soul document before the tools. Identity is a stamped structural part, the first line on the bill of materials — not a coat of paint applied late.
* For **tools**: the interface contract before the implementation.
* For **skills**: the description-and-boundary block before the procedure.

Then the structural rule that defines this station: **the eval is written before the unit.** Toyota builds the gauge before the part; eval-driven development — write the eval before the agent can pass it, because eval quality is the ceiling on agent quality — is the same discipline. A unit whose acceptance criteria cannot be expressed as an executable or judge-scorable eval is not underspecified; it is *unmanufacturable*, and Design is where that gets discovered, not Verify.

Design also drafts the bill of materials: which registry parts, which model tier per step, with reuse checked before any new fabrication is authorized — the shelf is searched before the forge is lit.

## Exit gate

Four checks, all present or the unit stays:

1. The eval exists and currently **fails** — red, because the unit does not exist yet. A green eval at Design is a broken eval.
2. Draft bill of materials: which parts, which model tier per step.
3. Projected cost within the work order's target.
4. For agents: soul and contract documents drafted.

## Escalation

Unmanufacturability is this station's discovery, not its failure. When acceptance criteria cannot become an eval, the order returns to intake for sharpening with the principal — block before guess.

## Enforcement

Row 2 of the compilation table: a gate script — Design cannot exit without a red eval on record. This gate is scheduled in the design's construction plan (Phase 2, built as the pilot units demand it) and is not yet compiled; until it lands, the check runs as review discipline against the exit list above. This page states the standard; the script, when it lands, merely makes it unskippable.

## Self-audit

| Claim                                                                                             | Source                          |
| ------------------------------------------------------------------------------------------------- | ------------------------------- |
| Tamazukuri ordering: SOUL before tools; contract before implementation; boundary before procedure | docs/factory-design.md:105      |
| Identity is a stamped structural part, first line on the BOM                                      | docs/factory-design.md:79       |
| Eval before the unit; unmanufacturable if criteria can't become an eval                           | docs/factory-design.md:107      |
| Exit gate: red eval, draft BOM, projected cost in target, SOUL/CONTRACT drafted                   | docs/factory-design.md:109      |
| Row 2: gate script "Design cannot exit without a red eval"; compiled JIT in Phase 2               | docs/factory-design.md:195, 269 |
| Block before guess                                                                                | docs/factory-design.md:184      |