Add endpoint for creating local contacts with access control

Introduced a new `local_contact_router` to handle creation of local contacts. The endpoint enforces role-based access control and ensures no duplication of email addresses. Updated the router exports for consistency and cleaned up a large test file to improve readability.

backend/app/schemas.py

@@ -17,6 +17,7 @@ class loginToken(BaseModel):
 class loginData(BaseModel):
     username: str
     pgroups: List[str]
+    # role: Optional[str] = "user"
 
 
 class DewarTypeBase(BaseModel):
@@ -417,6 +418,29 @@ class ContactMinimal(BaseModel):
     id: int
 
 
+class Proposal(BaseModel):
+    id: int
+    number: str
+
+    class Config:
+        from_attributes = True
+
+
+class LocalContactCreate(BaseModel):
+    firstname: str
+    lastname: str
+    phone_number: str
+    email: EmailStr
+    status: str = "active"
+
+    class Config:
+        from_attributes = True
+
+
+class LocalContact(LocalContactCreate):
+    id: int
+
+
 class AddressCreate(BaseModel):
     pgroups: str
     house_number: Optional[str] = None
@@ -617,14 +641,6 @@ class DewarTable(BaseModel):
         from_attributes = True
 
 
-class Proposal(BaseModel):
-    id: int
-    number: str
-
-    class Config:
-        from_attributes = True
-
-
 class Shipment(BaseModel):
     id: int
     pgroups: str
@@ -752,3 +768,18 @@ class PuckWithTellPosition(BaseModel):
 
     class Config:
         from_attributes = True
+
+
+class Beamtime(BaseModel):
+    id: int
+    pgroups: str
+    beamtime_name: str
+    beamline: str
+    start_date: date
+    end_date: date
+    status: str
+    comments: Optional[constr(max_length=200)] = None
+    proposal_id: Optional[int]
+    proposal: Optional[Proposal]
+    local_contact_id: Optional[int]
+    local_contact: Optional[LocalContact]