feat: 客户管理新增个人用户类型，双Tab分离管理

- customers 表新增 customer_type 列 (unit/individual)
- 列表按个人优先排序，支持 customer_type 筛选
- PC端 el-radio-group 切换：单位客户 | 个人用户
- 个人用户表单: 仅姓名+备注，隐藏行业/地址/业务/月费/客户经理/联系人
- 所有业务模块客户搜索下拉中个人用户置顶

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

backend/app/api/customers.py

@@ -50,6 +50,7 @@ async def list_customers(
     industry: Optional[str] = Query(None),
     service: Optional[str] = Query(None),
     manager_id: Optional[str] = Query(None),
+    customer_type: Optional[str] = Query(None),
     page: int = Query(1, ge=1),
     page_size: int = Query(100, ge=1, le=1000),
     current_user: dict = Depends(get_current_user),
@@ -60,6 +61,8 @@ async def list_customers(
 
     base_query = select(Customer)
 
+    if customer_type:
+        base_query = base_query.where(Customer.customer_type == customer_type)
     if industry:
         base_query = base_query.where(Customer.industry.ilike(f"%{industry}%"))
     if service:
@@ -89,7 +92,7 @@ async def list_customers(
 
     # Paginate
     offset = (page - 1) * page_size
-    query = base_query.order_by(Customer.name).offset(offset).limit(page_size)
+    query = base_query.order_by(Customer.customer_type, Customer.name).offset(offset).limit(page_size)
     result = await db.execute(query)
     items = result.scalars().all()
 

backend/app/main.py

@@ -42,6 +42,10 @@ async def lifespan(app: FastAPI):
         await conn.run_sync(lambda c: c.exec_driver_sql(
             "ALTER TABLE customers ADD COLUMN IF NOT EXISTS last_visit_manager_id UUID"
         ))
+        # v0.9 — customer_type for unit vs individual
+        await conn.run_sync(lambda c: c.exec_driver_sql(
+            "ALTER TABLE customers ADD COLUMN IF NOT EXISTS customer_type VARCHAR(20) DEFAULT 'unit'"
+        ))
         # New columns for v0.4
         await conn.run_sync(lambda c: c.exec_driver_sql(
             "ALTER TABLE visits ADD COLUMN IF NOT EXISTS companion_names TEXT[] DEFAULT '{}'"

backend/app/models/customer.py

@@ -11,6 +11,7 @@ class Customer(Base):
 
     id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     name: Mapped[str] = mapped_column(String(200), index=True)
+    customer_type: Mapped[str] = mapped_column(String(20), default="unit")  # unit / individual
     industry: Mapped[str] = mapped_column(String(100), default="")
     address: Mapped[str] = mapped_column(String(500), default="")
     in_use_services: Mapped[str] = mapped_column(Text, default="")

backend/app/schemas/customer.py

@@ -45,6 +45,7 @@ class ContactOut(BaseModel):
 # ── Customer ──
 class CustomerCreate(BaseModel):
     name: str
+    customer_type: str = "unit"
     industry: str = ""
     address: str = ""
     in_use_services: str = ""
@@ -56,6 +57,7 @@ class CustomerCreate(BaseModel):
 
 class CustomerUpdate(BaseModel):
     name: Optional[str] = None
+    customer_type: Optional[str] = None
     industry: Optional[str] = None
     address: Optional[str] = None
     in_use_services: Optional[str] = None
@@ -67,6 +69,7 @@ class CustomerUpdate(BaseModel):
 class CustomerOut(BaseModel):
     id: uuid.UUID
     name: str
+    customer_type: str = "unit"
     industry: str
     address: str
     in_use_services: str
@@ -84,6 +87,7 @@ class CustomerOut(BaseModel):
 class CustomerListOut(BaseModel):
     id: uuid.UUID
     name: str
+    customer_type: str = "unit"
     industry: str
     in_use_services: str
     primary_manager_name: Optional[str] = None