If you copy an existing project and want to start with a fresh db execute this to init the DB
npx directus init //FYI: this also resets the .env file
Get 400 Request and don’t know what is wrong?
...
//Activate verbose logging
LOG_LEVEL=trace
...
“What does the status field do?” → If you choose to include this field, the collection's archive settings will automatically be configured for you (allows you to enable "soft-delete" within the collection. Archived items are hidden in the App by default, but are still returned normally via the API unless they are filtered out) → Use this for Draft/Publish functionality

“How to make a 1:1 (one-to-one) relation?” (source)
In Directus there is no direct one-to-one relation, instead: