A: Remove 5 address fields from Contact — addresses now via Address model

app/models/contact.py

@@ -3,11 +3,9 @@
 from __future__ import annotations
 
 import uuid
-from datetime import datetime
 
 from sqlalchemy import (
     Boolean,
-    DateTime,
     ForeignKey,
     Index,
     String,
@@ -42,12 +40,6 @@ class Contact(Base, TenantMixin):
     department: Mapped[str | None] = mapped_column(String(100), nullable=True)
     linkedin_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
     notes: Mapped[str | None] = mapped_column(Text, nullable=True)
-    # Address fields (private address, may differ from company)
-    address_street: Mapped[str | None] = mapped_column(String(255), nullable=True)
-    address_city: Mapped[str | None] = mapped_column(String(100), nullable=True)
-    address_zip: Mapped[str | None] = mapped_column(String(20), nullable=True)
-    address_country: Mapped[str | None] = mapped_column(String(2), nullable=True)
-    address_state: Mapped[str | None] = mapped_column(String(100), nullable=True)
     created_by: Mapped[uuid.UUID | None] = mapped_column(
         PGUUID(as_uuid=True), ForeignKey("users.id", ondelete="SET NULL"), nullable=True
     )