中文：收口权限与中心/立项配置改造

backend/tests/test_registration.py

@@ -88,7 +88,7 @@ async def client_and_db():
             email="admin@test.com",
             password_hash=hash_password("admin123"),
             full_name="Admin",
-            department="Admin",
+            clinical_department="Admin",
             role=UserRole.ADMIN,
             status=UserStatus.ACTIVE,
         )
@@ -109,7 +109,7 @@ async def test_register_creates_pending_user(client_and_db):
         "password": "Password123",
         "full_name": "New User",
         "role": "CRA",
-        "department": "Clinical",
+        "clinical_department": "Clinical",
     }
     resp = await client.post("/api/v1/auth/register", json=payload)
     assert resp.status_code == 201
@@ -141,7 +141,7 @@ async def test_login_blocked_before_approval(client_and_db):
         "password": "Password123",
         "full_name": "Pending User",
         "role": "PV",
-        "department": "Safety",
+        "clinical_department": "Safety",
     }
     await client.post("/api/v1/auth/register", json=payload)
     resp = await encrypted_login(client, payload["email"], payload["password"])
@@ -157,7 +157,7 @@ async def test_admin_can_approve_user(client_and_db):
         "password": "Password123",
         "full_name": "Approve Target",
         "role": "IMP",
-        "department": "Supply",
+        "clinical_department": "Supply",
     }
     await client.post("/api/v1/auth/register", json=payload)
     async with SessionLocal() as session:
@@ -184,7 +184,7 @@ async def test_admin_role_cannot_register(client_and_db):
         "password": "Password123",
         "full_name": "Bad Admin",
         "role": "ADMIN",
-        "department": "IT",
+        "clinical_department": "IT",
     }
     resp = await client.post("/api/v1/auth/register", json=payload)
     assert resp.status_code in (400, 422)