Set the active organization for this user (server-of-truth for which org the dashboard renders)

Validates that the user has an active membership in the target org before persisting. Xentr staff are allowed any org. Returns the refreshed profile payload so the client can apply it without a second round-trip.

curl -X PATCH "https://api.xentr.ai/api/users/me/current-organization" \  -H "Content-Type: application/json" \  -d '{    "organizationId": "adf010ce-4443-4065-92f6-f73c06021177"  }'