# ADR-012: Economic Engine

## Status
Accepted

## Context
LandveX is not just an image analysis platform. It is an economic control system for control intelligence. Every component must answer: What value is created here? Who pays for it?

## Decision
Model Credits as first-class objects with types:

- **Mission Credits** — fund data collection
- **Validation Credits** — pay for human review
- **Training Credits** — fund AI model training
- **Priority Credits** — expedite processing
- **Emergency Credits** — handle urgent cases

## Intelligence Ledger

Separate from financial accounting:

| Field | Description |
|-------|-------------|
| Mission | Which mission |
| Budget | Credits allocated |
| Credits Reserved | Committed |
| Credits Consumed | Spent |
| Knowledge Produced | Observations created |
| Decision Produced | Verified decisions |
| Business Impact | Measured value |
| ROI | Return on investment |

## Key Questions

- How many kronor did this verified Decision Case cost?
- Which municipality gives highest knowledge return per invested krona?

## Related

- ADR-011: Four-Layer Data Architecture
- LANDVEX_PLATFORM_ARCHITECTURE.md