# Codex Module Contract — Project, Area, Dataset

Build only the project, area and dataset foundation.

## Required Backend

- `GET /projects`
- `POST /projects`
- `GET /projects/{project_id}`
- `POST /projects/{project_id}/areas`
- `GET /projects/{project_id}/areas`
- `POST /projects/{project_id}/datasets/upload`
- `GET /projects/{project_id}/datasets`

## Required Frontend

- project list
- create project form
- project workspace
- area list
- dataset list
- upload form

## Required Validation

- project name required
- area geometry required and valid
- dataset file required
- unsupported file types rejected with structured error

## Required Tests

- create/list/read project
- create/list area using fixture polygon
- dataset upload stores metadata record

## Do Not Build Yet

- real YOLO
- real SAM
- Sentinel
- LiDAR
- training studio