Get Current User

Get current authenticated user information.

Requires: Bearer token or session cookie

Returns: { "id": 123, "email": "user@example.com", "name": "John Doe", "created_at": "2025-01-15T10:30:00Z", "last_login": "2025-01-16T14:20:00Z", "job_type": "Data Scientist", "company_name": "Acme Corp", "onboarding_completed": true, "organization_role": "owner" }