feat: add middle_name field and map all three Evotor name fields

- Add middle_name column to users table (migration 0012)
- Map Evotor's second_name → last_name, middle_name → middle_name
  in /user/create webhook handler
- Update name fields on existing users when Evotor sends them

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/migrations/versions/0012_users_middle_name.py

@@ -0,0 +1,16 @@
+"""Add middle_name to users."""
+revision = "0012"
+down_revision = "0011"
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.add_column("users", sa.Column("middle_name", sa.String(100), nullable=True))
+
+
+def downgrade():
+    op.drop_column("users", "middle_name")

web/models/user.py

@@ -23,6 +23,7 @@ class User(Base):
     id = Column(Integer, primary_key=True, autoincrement=True)
     first_name = Column(String(100), nullable=False)
     last_name = Column(String(100), nullable=False)
+    middle_name = Column(String(100), nullable=True)
     email = Column(String(255), nullable=False)
     phone = Column(String(20), nullable=True)
     password_hash = Column(String(255), nullable=True)

web/routes/evotor_webhooks.py

@@ -106,7 +106,8 @@ async def user_create(request: Request, db: Session = Depends(get_db)):
     email = (body.get("email") or custom.get("email") or "").strip().lower() or None
     phone = (body.get("phone_number") or body.get("phone") or custom.get("phone_number") or custom.get("phone") or "").strip() or None
     first_name = (body.get("first_name") or body.get("firstName") or custom.get("first_name") or custom.get("firstName") or "").strip() or None
-    last_name = (body.get("last_name") or body.get("lastName") or custom.get("last_name") or custom.get("lastName") or "").strip() or None
+    last_name = (body.get("second_name") or body.get("last_name") or body.get("lastName") or custom.get("second_name") or custom.get("last_name") or custom.get("lastName") or "").strip() or None
+    middle_name = (body.get("middle_name") or custom.get("middle_name") or "").strip() or None
 
     # Try to find existing user
     user: User | None = None
@@ -125,9 +126,15 @@ async def user_create(request: Request, db: Session = Depends(get_db)):
     now = datetime.now(timezone.utc).replace(tzinfo=None)
 
     if user:
-        # Link Evotor to existing user
+        # Link Evotor to existing user; update name fields if Evotor provided them
         user.evotor_user_id = evotor_user_id
         user.evotor_meta = body
+        if first_name:
+            user.first_name = first_name
+        if last_name:
+            user.last_name = last_name
+        if middle_name:
+            user.middle_name = middle_name
         if user.status == UserStatusEnum.pending:
             user.status = UserStatusEnum.active
         db.flush()
@@ -136,6 +143,7 @@ async def user_create(request: Request, db: Session = Depends(get_db)):
         user = User(
             first_name=first_name or "",
             last_name=last_name or "",
+            middle_name=middle_name,
             email=email or f"{evotor_user_id}@evotor.invalid",
             phone=phone or None,
             password_hash=None,