E003: Update user

PATCH /api/user

Updates the authenticated user's own profile. The only editable field is displayName; identity (email, Firebase UID) is owned by Firebase and is not editable here.

Authentication

User-scoped route. Requires Authorization: Bearer <firebase-id-token>; X-Org-Id is not required. Access: Authenticated.

Request

{ "displayName": "Jane Q. Doe" }

Field	Type	Required	Notes
displayName	string	no	New display name (1–255 chars).

Response — 200 OK

{
  "user": {
    "id": "uuid",
    "firebaseUid": "string",
    "email": "user@example.com",
    "displayName": "Jane Q. Doe"
  }
}

Errors

HTTP	code	Condition
401	unauthorized	Missing, malformed, or rejected Firebase ID token.
404	not_found	No platform user row for the verified identity.
422	validation_failed	displayName is out of range.

Workflow

Calls W003 Update user.