# Schema: ProductionChain

**Entity Type:** `ProductionChain`

## Fields

| Field | Type | Notes |
|------|------|------|
| id | string | stable anchor id |
| name | string | chain name |
| steps | array | `{ building, in[], out[], cycleSeconds }` |
| recommendedRatios | array | `{ building, count }` |
| bottlenecks | array | goods/buildings that commonly limit throughput |
| notes | string | general guidance |
