Add improvements 2

services/procurement/app/core/dependencies.py

@@ -1,42 +1,45 @@
 """
 FastAPI Dependencies for Procurement Service
+Uses shared authentication infrastructure with UUID validation
 """
 
-from fastapi import Header, HTTPException, status
+from fastapi import Depends, HTTPException, status
 from uuid import UUID
 from typing import Optional
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from .database import get_db
+from shared.auth.decorators import get_current_tenant_id_dep
 
 
 async def get_current_tenant_id(
-    x_tenant_id: Optional[str] = Header(None, alias="X-Tenant-ID")
+    tenant_id: Optional[str] = Depends(get_current_tenant_id_dep)
 ) -> UUID:
     """
-    Extract and validate tenant ID from request header.
+    Extract and validate tenant ID from request using shared infrastructure.
+    Adds UUID validation to ensure tenant ID format is correct.
 
     Args:
-        x_tenant_id: Tenant ID from X-Tenant-ID header
+        tenant_id: Tenant ID from shared dependency
 
     Returns:
         UUID: Validated tenant ID
 
     Raises:
-        HTTPException: If tenant ID is missing or invalid
+        HTTPException: If tenant ID is missing or invalid UUID format
     """
-    if not x_tenant_id:
+    if not tenant_id:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="X-Tenant-ID header is required"
+            detail="x-tenant-id header is required"
         )
 
     try:
-        return UUID(x_tenant_id)
+        return UUID(tenant_id)
     except (ValueError, AttributeError):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail=f"Invalid tenant ID format: {x_tenant_id}"
+            detail=f"Invalid tenant ID format: {tenant_id}"
         )