feat: update auth for b2b

src/infrastructure/database/models/user.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from datetime import datetime
+
 from sqlalchemy import Boolean, Date, String, DateTime, Text
 from sqlalchemy.orm import Mapped,mapped_column
 from src.infrastructure.database.models.base import Base
@@ -28,3 +30,7 @@ class UserModel(Base, UlidPrimaryKeyMixin, AuditTimestampsMixin, SoftDeleteMixin
 
     kyc_verified: Mapped[bool] = mapped_column(Boolean, nullable=False, server_default='false', default=False)
     kyc_verified_at: Mapped[DateTime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+
+    account_type: Mapped[str] = mapped_column(String(20), nullable=False, server_default='individual', default='individual')
+    provisioned_by: Mapped[str | None] = mapped_column(String(26), nullable=True)
+    provisioned_at: Mapped[DateTime | None] = mapped_column(DateTime(timezone=True), nullable=True)